Java example source code file (AbstractSAXParser.java)
The AbstractSAXParser.java Java example source code
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/*
* Copyright 2001-2005 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
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* See the License for the specific language governing permissions and
* limitations under the License.
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package com.sun.org.apache.xerces.internal.parsers;
import com.sun.org.apache.xerces.internal.impl.Constants;
import com.sun.org.apache.xerces.internal.util.EntityResolver2Wrapper;
import com.sun.org.apache.xerces.internal.util.EntityResolverWrapper;
import com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper;
import com.sun.org.apache.xerces.internal.util.SAXMessageFormatter;
import com.sun.org.apache.xerces.internal.util.Status;
import com.sun.org.apache.xerces.internal.util.SymbolHash;
import com.sun.org.apache.xerces.internal.util.XMLSymbols;
import com.sun.org.apache.xerces.internal.utils.XMLSecurityManager;
import com.sun.org.apache.xerces.internal.xni.Augmentations;
import com.sun.org.apache.xerces.internal.xni.NamespaceContext;
import com.sun.org.apache.xerces.internal.xni.QName;
import com.sun.org.apache.xerces.internal.xni.XMLAttributes;
import com.sun.org.apache.xerces.internal.xni.XMLLocator;
import com.sun.org.apache.xerces.internal.xni.XMLResourceIdentifier;
import com.sun.org.apache.xerces.internal.xni.XMLString;
import com.sun.org.apache.xerces.internal.xni.XNIException;
import com.sun.org.apache.xerces.internal.xni.parser.XMLConfigurationException;
import com.sun.org.apache.xerces.internal.xni.parser.XMLEntityResolver;
import com.sun.org.apache.xerces.internal.xni.parser.XMLErrorHandler;
import com.sun.org.apache.xerces.internal.xni.parser.XMLInputSource;
import com.sun.org.apache.xerces.internal.xni.parser.XMLParseException;
import com.sun.org.apache.xerces.internal.xni.parser.XMLParserConfiguration;
import com.sun.org.apache.xerces.internal.xs.AttributePSVI;
import com.sun.org.apache.xerces.internal.xs.ElementPSVI;
import com.sun.org.apache.xerces.internal.xs.PSVIProvider;
import java.io.IOException;
import java.util.Locale;
import javax.xml.XMLConstants;
import org.xml.sax.AttributeList;
import org.xml.sax.ContentHandler;
import org.xml.sax.DTDHandler;
import org.xml.sax.DocumentHandler;
import org.xml.sax.EntityResolver;
import org.xml.sax.ErrorHandler;
import org.xml.sax.InputSource;
import org.xml.sax.Parser;
import org.xml.sax.SAXException;
import org.xml.sax.SAXNotRecognizedException;
import org.xml.sax.SAXNotSupportedException;
import org.xml.sax.SAXParseException;
import org.xml.sax.XMLReader;
import org.xml.sax.ext.Attributes2;
import org.xml.sax.ext.DeclHandler;
import org.xml.sax.ext.EntityResolver2;
import org.xml.sax.ext.LexicalHandler;
import org.xml.sax.ext.Locator2;
import org.xml.sax.helpers.LocatorImpl;
/**
* This is the base class of all SAX parsers. It implements both the
* SAX1 and SAX2 parser functionality, while the actual pipeline is
* defined in the parser configuration.
*
* @author Arnaud Le Hors, IBM
* @author Andy Clark, IBM
*
* @version $Id: AbstractSAXParser.java,v 1.6 2010-11-01 04:40:09 joehw Exp $
*/
public abstract class AbstractSAXParser
extends AbstractXMLDocumentParser
implements PSVIProvider, // PSVI
Parser, XMLReader // SAX1, SAX2
{
//
// Constants
//
// features
/** Feature identifier: namespaces. */
protected static final String NAMESPACES =
Constants.SAX_FEATURE_PREFIX + Constants.NAMESPACES_FEATURE;
/** Feature identifier: namespace prefixes. */
protected static final String NAMESPACE_PREFIXES =
Constants.SAX_FEATURE_PREFIX + Constants.NAMESPACE_PREFIXES_FEATURE;
/** Feature id: string interning. */
protected static final String STRING_INTERNING =
Constants.SAX_FEATURE_PREFIX + Constants.STRING_INTERNING_FEATURE;
/** Feature identifier: allow notation and unparsed entity events to be sent out of order. */
// this is not meant to be a recognized feature, but we need it here to use
// if it is already a recognized feature for the pipeline
protected static final String ALLOW_UE_AND_NOTATION_EVENTS =
Constants.SAX_FEATURE_PREFIX + Constants.ALLOW_DTD_EVENTS_AFTER_ENDDTD_FEATURE;
/** Recognized features. */
private static final String[] RECOGNIZED_FEATURES = {
NAMESPACES,
NAMESPACE_PREFIXES,
STRING_INTERNING,
};
// properties
/** Property id: lexical handler. */
protected static final String LEXICAL_HANDLER =
Constants.SAX_PROPERTY_PREFIX + Constants.LEXICAL_HANDLER_PROPERTY;
/** Property id: declaration handler. */
protected static final String DECLARATION_HANDLER =
Constants.SAX_PROPERTY_PREFIX + Constants.DECLARATION_HANDLER_PROPERTY;
/** Property id: DOM node. */
protected static final String DOM_NODE =
Constants.SAX_PROPERTY_PREFIX + Constants.DOM_NODE_PROPERTY;
/** Property id: security manager. */
private static final String SECURITY_MANAGER =
Constants.XERCES_PROPERTY_PREFIX + Constants.SECURITY_MANAGER_PROPERTY;
/** Recognized properties. */
private static final String[] RECOGNIZED_PROPERTIES = {
LEXICAL_HANDLER,
DECLARATION_HANDLER,
DOM_NODE,
};
//
// Data
//
// features
/** Namespaces. */
protected boolean fNamespaces;
/** Namespace prefixes. */
protected boolean fNamespacePrefixes = false;
/** Lexical handler parameter entities. */
protected boolean fLexicalHandlerParameterEntities = true;
/** Standalone document declaration. */
protected boolean fStandalone;
/** Resolve DTD URIs. */
protected boolean fResolveDTDURIs = true;
/** Use EntityResolver2. */
protected boolean fUseEntityResolver2 = true;
/**
* XMLNS URIs: Namespace declarations in the
* http://www.w3.org/2000/xmlns/ namespace.
*/
protected boolean fXMLNSURIs = false;
// parser handlers
/** Content handler. */
protected ContentHandler fContentHandler;
/** Document handler. */
protected DocumentHandler fDocumentHandler;
/** Namespace context */
protected NamespaceContext fNamespaceContext;
/** DTD handler. */
protected org.xml.sax.DTDHandler fDTDHandler;
/** Decl handler. */
protected DeclHandler fDeclHandler;
/** Lexical handler. */
protected LexicalHandler fLexicalHandler;
protected QName fQName = new QName();
// state
/**
* True if a parse is in progress. This state is needed because
* some features/properties cannot be set while parsing (e.g.
* validation and namespaces).
*/
protected boolean fParseInProgress = false;
// track the version of the document being parsed
protected String fVersion;
// temp vars
private final AttributesProxy fAttributesProxy = new AttributesProxy();
private Augmentations fAugmentations = null;
// temporary buffer for sending normalized values
// REVISIT: what should be the size of the buffer?
private static final int BUFFER_SIZE = 20;
private char[] fCharBuffer = new char[BUFFER_SIZE];
// allows us to keep track of whether an attribute has
// been declared twice, so that we can avoid exposing the
// second declaration to any registered DeclHandler
protected SymbolHash fDeclaredAttrs = null;
//
// Constructors
//
/** Default constructor. */
protected AbstractSAXParser(XMLParserConfiguration config) {
super(config);
config.addRecognizedFeatures(RECOGNIZED_FEATURES);
config.addRecognizedProperties(RECOGNIZED_PROPERTIES);
try {
config.setFeature(ALLOW_UE_AND_NOTATION_EVENTS, false);
}
catch (XMLConfigurationException e) {
// it wasn't a recognized feature, so we don't worry about it
}
} // <init>(XMLParserConfiguration)
//
// XMLDocumentHandler methods
//
/**
* The start of the document.
*
* @param locator The document locator, or null if the document
* location cannot be reported during the parsing
* of this document. However, it is <em>strongly
* recommended that a locator be supplied that can
* at least report the system identifier of the
* document.
* @param encoding The auto-detected IANA encoding name of the entity
* stream. This value will be null in those situations
* where the entity encoding is not auto-detected (e.g.
* internal entities or a document entity that is
* parsed from a java.io.Reader).
* @param namespaceContext
* The namespace context in effect at the
* start of this document.
* This object represents the current context.
* Implementors of this class are responsible
* for copying the namespace bindings from the
* the current context (and its parent contexts)
* if that information is important.
* @param augs Additional information that may include infoset augmentations
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void startDocument(XMLLocator locator, String encoding,
NamespaceContext namespaceContext, Augmentations augs)
throws XNIException {
fNamespaceContext = namespaceContext;
try {
// SAX1
if (fDocumentHandler != null) {
if (locator != null) {
fDocumentHandler.setDocumentLocator(new LocatorProxy(locator));
}
fDocumentHandler.startDocument();
}
// SAX2
if (fContentHandler != null) {
if (locator != null) {
fContentHandler.setDocumentLocator(new LocatorProxy(locator));
}
fContentHandler.startDocument();
}
}
catch (SAXException e) {
throw new XNIException(e);
}
} // startDocument(locator,encoding,augs)
/**
* Notifies of the presence of an XMLDecl line in the document. If
* present, this method will be called immediately following the
* startDocument call.
*
* @param version The XML version.
* @param encoding The IANA encoding name of the document, or null if
* not specified.
* @param standalone The standalone value, or null if not specified.
* @param augs Additional information that may include infoset augmentations
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void xmlDecl(String version, String encoding, String standalone, Augmentations augs)
throws XNIException {
// the version need only be set once; if
// document's XML 1.0|1.1, that's how it'll stay
fVersion = version;
fStandalone = "yes".equals(standalone);
} // xmlDecl(String,String,String)
/**
* Notifies of the presence of the DOCTYPE line in the document.
*
* @param rootElement The name of the root element.
* @param publicId The public identifier if an external DTD or null
* if the external DTD is specified using SYSTEM.
* @param systemId The system identifier if an external DTD, null
* otherwise.
* @param augs Additional information that may include infoset augmentations
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void doctypeDecl(String rootElement,
String publicId, String systemId, Augmentations augs)
throws XNIException {
fInDTD = true;
try {
// SAX2 extension
if (fLexicalHandler != null) {
fLexicalHandler.startDTD(rootElement, publicId, systemId);
}
}
catch (SAXException e) {
throw new XNIException(e);
}
// is there a DeclHandler?
if(fDeclHandler != null) {
fDeclaredAttrs = new SymbolHash();
}
} // doctypeDecl(String,String,String)
/**
* This method notifies of the start of an entity. The DTD has the
* pseudo-name of "[dtd]" parameter entity names start with '%'; and
* general entity names are just the entity name.
* <p>
* <strong>Note: Since the document is an entity, the handler
* will be notified of the start of the document entity by calling the
* startEntity method with the entity name "[xml]" <em>before calling
* the startDocument method. When exposing entity boundaries through the
* SAX API, the document entity is never reported, however.
* <p>
* <strong>Note: This method is not called for entity references
* appearing as part of attribute values.
*
* @param name The name of the entity.
* @param identifier The resource identifier.
* @param encoding The auto-detected IANA encoding name of the entity
* stream. This value will be null in those situations
* where the entity encoding is not auto-detected (e.g.
* internal parameter entities).
* @param augs Additional information that may include infoset augmentations
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void startGeneralEntity(String name, XMLResourceIdentifier identifier,
String encoding, Augmentations augs)
throws XNIException {
try {
// Only report startEntity if this entity was actually read.
if (augs != null && Boolean.TRUE.equals(augs.getItem(Constants.ENTITY_SKIPPED))) {
// report skipped entity to content handler
if (fContentHandler != null) {
fContentHandler.skippedEntity(name);
}
}
else {
// SAX2 extension
if (fLexicalHandler != null) {
fLexicalHandler.startEntity(name);
}
}
}
catch (SAXException e) {
throw new XNIException(e);
}
} // startGeneralEntity(String,String,String,String,String)
/**
* This method notifies the end of an entity. The DTD has the pseudo-name
* of "[dtd]" parameter entity names start with '%'; and general entity
* names are just the entity name.
* <p>
* <strong>Note: Since the document is an entity, the handler
* will be notified of the end of the document entity by calling the
* endEntity method with the entity name "[xml]" <em>after calling
* the endDocument method. When exposing entity boundaries through the
* SAX API, the document entity is never reported, however.
* <p>
* <strong>Note: This method is not called for entity references
* appearing as part of attribute values.
*
* @param name The name of the entity.
* @param augs Additional information that may include infoset augmentations
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void endGeneralEntity(String name, Augmentations augs) throws XNIException {
try {
// Only report endEntity if this entity was actually read.
if (augs == null || !Boolean.TRUE.equals(augs.getItem(Constants.ENTITY_SKIPPED))) {
// SAX2 extension
if (fLexicalHandler != null) {
fLexicalHandler.endEntity(name);
}
}
}
catch (SAXException e) {
throw new XNIException(e);
}
} // endEntity(String)
/**
* The start of an element. If the document specifies the start element
* by using an empty tag, then the startElement method will immediately
* be followed by the endElement method, with no intervening methods.
*
* @param element The name of the element.
* @param attributes The element attributes.
* @param augs Additional information that may include infoset augmentations
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void startElement(QName element, XMLAttributes attributes, Augmentations augs)
throws XNIException {
try {
// SAX1
if (fDocumentHandler != null) {
// REVISIT: should we support schema-normalized-value for SAX1 events
//
fAttributesProxy.setAttributes(attributes);
fDocumentHandler.startElement(element.rawname, fAttributesProxy);
}
// SAX2
if (fContentHandler != null) {
if (fNamespaces) {
// send prefix mapping events
startNamespaceMapping();
// REVISIT: It should not be necessary to iterate over the attribute
// list when the set of [namespace attributes] is empty for this
// element. This should be computable from the NamespaceContext, but
// since we currently don't report the mappings for the xml prefix
// we cannot use the declared prefix count for the current context
// to skip this section. -- mrglavas
int len = attributes.getLength();
if (!fNamespacePrefixes) {
for (int i = len - 1; i >= 0; --i) {
attributes.getName(i, fQName);
if ((fQName.prefix == XMLSymbols.PREFIX_XMLNS) ||
(fQName.rawname == XMLSymbols.PREFIX_XMLNS)) {
// remove namespace declaration attributes
attributes.removeAttributeAt(i);
}
}
}
else if (!fXMLNSURIs) {
for (int i = len - 1; i >= 0; --i) {
attributes.getName(i, fQName);
if ((fQName.prefix == XMLSymbols.PREFIX_XMLNS) ||
(fQName.rawname == XMLSymbols.PREFIX_XMLNS)) {
// localpart should be empty string as per SAX documentation:
// http://www.saxproject.org/?selected=namespaces
fQName.prefix = "";
fQName.uri = "";
fQName.localpart = "";
attributes.setName(i, fQName);
}
}
}
}
fAugmentations = augs;
String uri = element.uri != null ? element.uri : "";
String localpart = fNamespaces ? element.localpart : "";
fAttributesProxy.setAttributes(attributes);
fContentHandler.startElement(uri, localpart, element.rawname,
fAttributesProxy);
}
}
catch (SAXException e) {
throw new XNIException(e);
}
} // startElement(QName,XMLAttributes)
/**
* Character content.
*
* @param text The content.
* @param augs Additional information that may include infoset augmentations
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void characters(XMLString text, Augmentations augs) throws XNIException {
// if type is union (XML Schema) it is possible that we receive
// character call with empty data
if (text.length == 0) {
return;
}
try {
// SAX1
if (fDocumentHandler != null) {
// REVISIT: should we support schema-normalized-value for SAX1 events
//
fDocumentHandler.characters(text.ch, text.offset, text.length);
}
// SAX2
if (fContentHandler != null) {
fContentHandler.characters(text.ch, text.offset, text.length);
}
}
catch (SAXException e) {
throw new XNIException(e);
}
} // characters(XMLString)
/**
* Ignorable whitespace. For this method to be called, the document
* source must have some way of determining that the text containing
* only whitespace characters should be considered ignorable. For
* example, the validator can determine if a length of whitespace
* characters in the document are ignorable based on the element
* content model.
*
* @param text The ignorable whitespace.
* @param augs Additional information that may include infoset augmentations
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void ignorableWhitespace(XMLString text, Augmentations augs) throws XNIException {
try {
// SAX1
if (fDocumentHandler != null) {
fDocumentHandler.ignorableWhitespace(text.ch, text.offset, text.length);
}
// SAX2
if (fContentHandler != null) {
fContentHandler.ignorableWhitespace(text.ch, text.offset, text.length);
}
}
catch (SAXException e) {
throw new XNIException(e);
}
} // ignorableWhitespace(XMLString)
/**
* The end of an element.
*
* @param element The name of the element.
* @param augs Additional information that may include infoset augmentations
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void endElement(QName element, Augmentations augs) throws XNIException {
try {
// SAX1
if (fDocumentHandler != null) {
fDocumentHandler.endElement(element.rawname);
}
// SAX2
if (fContentHandler != null) {
fAugmentations = augs;
String uri = element.uri != null ? element.uri : "";
String localpart = fNamespaces ? element.localpart : "";
fContentHandler.endElement(uri, localpart,
element.rawname);
if (fNamespaces) {
endNamespaceMapping();
}
}
}
catch (SAXException e) {
throw new XNIException(e);
}
} // endElement(QName)
/**
* The start of a CDATA section.
* @param augs Additional information that may include infoset augmentations
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void startCDATA(Augmentations augs) throws XNIException {
try {
// SAX2 extension
if (fLexicalHandler != null) {
fLexicalHandler.startCDATA();
}
}
catch (SAXException e) {
throw new XNIException(e);
}
} // startCDATA()
/**
* The end of a CDATA section.
* @param augs Additional information that may include infoset augmentations
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void endCDATA(Augmentations augs) throws XNIException {
try {
// SAX2 extension
if (fLexicalHandler != null) {
fLexicalHandler.endCDATA();
}
}
catch (SAXException e) {
throw new XNIException(e);
}
} // endCDATA()
/**
* A comment.
*
* @param text The text in the comment.
* @param augs Additional information that may include infoset augmentations
*
* @throws XNIException Thrown by application to signal an error.
*/
public void comment(XMLString text, Augmentations augs) throws XNIException {
try {
// SAX2 extension
if (fLexicalHandler != null) {
fLexicalHandler.comment(text.ch, 0, text.length);
}
}
catch (SAXException e) {
throw new XNIException(e);
}
} // comment(XMLString)
/**
* A processing instruction. Processing instructions consist of a
* target name and, optionally, text data. The data is only meaningful
* to the application.
* <p>
* Typically, a processing instruction's data will contain a series
* of pseudo-attributes. These pseudo-attributes follow the form of
* element attributes but are <strong>not parsed or presented
* to the application as anything other than text. The application is
* responsible for parsing the data.
*
* @param target The target.
* @param data The data or null if none specified.
* @param augs Additional information that may include infoset augmentations
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void processingInstruction(String target, XMLString data, Augmentations augs)
throws XNIException {
//
// REVISIT - I keep running into SAX apps that expect
// null data to be an empty string, which is contrary
// to the comment for this method in the SAX API.
//
try {
// SAX1
if (fDocumentHandler != null) {
fDocumentHandler.processingInstruction(target,
data.toString());
}
// SAX2
if (fContentHandler != null) {
fContentHandler.processingInstruction(target, data.toString());
}
}
catch (SAXException e) {
throw new XNIException(e);
}
} // processingInstruction(String,XMLString)
/**
* The end of the document.
* @param augs Additional information that may include infoset augmentations
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void endDocument(Augmentations augs) throws XNIException {
try {
// SAX1
if (fDocumentHandler != null) {
fDocumentHandler.endDocument();
}
// SAX2
if (fContentHandler != null) {
fContentHandler.endDocument();
}
}
catch (SAXException e) {
throw new XNIException(e);
}
} // endDocument()
//
// XMLDTDHandler methods
//
/**
* The start of the DTD external subset.
*
* @param augs Additional information that may include infoset
* augmentations.
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void startExternalSubset(XMLResourceIdentifier identifier,
Augmentations augs) throws XNIException {
startParameterEntity("[dtd]", null, null, augs);
}
/**
* The end of the DTD external subset.
*
* @param augs Additional information that may include infoset
* augmentations.
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void endExternalSubset(Augmentations augs) throws XNIException {
endParameterEntity("[dtd]", augs);
}
/**
* This method notifies of the start of parameter entity. The DTD has the
* pseudo-name of "[dtd]" parameter entity names start with '%'; and
* general entity names are just the entity name.
* <p>
* <strong>Note: Since the document is an entity, the handler
* will be notified of the start of the document entity by calling the
* startEntity method with the entity name "[xml]" <em>before calling
* the startDocument method. When exposing entity boundaries through the
* SAX API, the document entity is never reported, however.
* <p>
* <strong>Note: This method is not called for entity references
* appearing as part of attribute values.
*
* @param name The name of the parameter entity.
* @param identifier The resource identifier.
* @param encoding The auto-detected IANA encoding name of the entity
* stream. This value will be null in those situations
* where the entity encoding is not auto-detected (e.g.
* internal parameter entities).
* @param augs Additional information that may include infoset
* augmentations.
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void startParameterEntity(String name,
XMLResourceIdentifier identifier,
String encoding, Augmentations augs)
throws XNIException {
try {
// Only report startEntity if this entity was actually read.
if (augs != null && Boolean.TRUE.equals(augs.getItem(Constants.ENTITY_SKIPPED))) {
// report skipped entity to content handler
if (fContentHandler != null) {
fContentHandler.skippedEntity(name);
}
}
else {
// SAX2 extension
if (fLexicalHandler != null && fLexicalHandlerParameterEntities) {
fLexicalHandler.startEntity(name);
}
}
}
catch (SAXException e) {
throw new XNIException(e);
}
} // startParameterEntity(String,identifier,String,Augmentation)
/**
* This method notifies the end of an entity. The DTD has the pseudo-name
* of "[dtd]" parameter entity names start with '%'; and general entity
* names are just the entity name.
* <p>
* <strong>Note: Since the document is an entity, the handler
* will be notified of the end of the document entity by calling the
* endEntity method with the entity name "[xml]" <em>after calling
* the endDocument method. When exposing entity boundaries through the
* SAX API, the document entity is never reported, however.
* <p>
* <strong>Note: This method is not called for entity references
* appearing as part of attribute values.
*
* @param name The name of the parameter entity.
* @param augs Additional information that may include infoset
* augmentations.
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void endParameterEntity(String name, Augmentations augs) throws XNIException {
try {
// Only report endEntity if this entity was actually read.
if (augs == null || !Boolean.TRUE.equals(augs.getItem(Constants.ENTITY_SKIPPED))) {
// SAX2 extension
if (fLexicalHandler != null && fLexicalHandlerParameterEntities) {
fLexicalHandler.endEntity(name);
}
}
}
catch (SAXException e) {
throw new XNIException(e);
}
} // endEntity(String)
/**
* An element declaration.
*
* @param name The name of the element.
* @param contentModel The element content model.
*
* @param augs Additional information that may include infoset
* augmentations.
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void elementDecl(String name, String contentModel, Augmentations augs)
throws XNIException {
try {
// SAX2 extension
if (fDeclHandler != null) {
fDeclHandler.elementDecl(name, contentModel);
}
}
catch (SAXException e) {
throw new XNIException(e);
}
} // elementDecl(String,String, Augmentations)
/**
* An attribute declaration.
*
* @param elementName The name of the element that this attribute
* is associated with.
* @param attributeName The name of the attribute.
* @param type The attribute type. This value will be one of
* the following: "CDATA", "ENTITY", "ENTITIES",
* "ENUMERATION", "ID", "IDREF", "IDREFS",
* "NMTOKEN", "NMTOKENS", or "NOTATION".
* @param enumeration If the type has the value "ENUMERATION" or
* "NOTATION", this array holds the allowed attribute
* values; otherwise, this array is null.
* @param defaultType The attribute default type. This value will be
* one of the following: "#FIXED", "#IMPLIED",
* "#REQUIRED", or null.
* @param defaultValue The attribute default value, or null if no
* default value is specified.
*
* @param nonNormalizedDefaultValue The attribute default value with no normalization
* performed, or null if no default value is specified.
* @param augs Additional information that may include infoset
* augmentations.
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void attributeDecl(String elementName, String attributeName,
String type, String[] enumeration,
String defaultType, XMLString defaultValue,
XMLString nonNormalizedDefaultValue, Augmentations augs) throws XNIException {
try {
// SAX2 extension
if (fDeclHandler != null) {
// used as a key to detect duplicate attribute definitions.
String elemAttr = new StringBuffer(elementName).append("<").append(attributeName).toString();
if(fDeclaredAttrs.get(elemAttr) != null) {
// we aren't permitted to return duplicate attribute definitions
return;
}
fDeclaredAttrs.put(elemAttr, Boolean.TRUE);
if (type.equals("NOTATION") ||
type.equals("ENUMERATION")) {
StringBuffer str = new StringBuffer();
if (type.equals("NOTATION")) {
str.append(type);
str.append(" (");
}
else {
str.append("(");
}
for (int i = 0; i < enumeration.length; i++) {
str.append(enumeration[i]);
if (i < enumeration.length - 1) {
str.append('|');
}
}
str.append(')');
type = str.toString();
}
String value = (defaultValue==null) ? null : defaultValue.toString();
fDeclHandler.attributeDecl(elementName, attributeName,
type, defaultType, value);
}
}
catch (SAXException e) {
throw new XNIException(e);
}
} // attributeDecl(String,String,String,String[],String,XMLString, XMLString, Augmentations)
/**
* An internal entity declaration.
*
* @param name The name of the entity. Parameter entity names start with
* '%', whereas the name of a general entity is just the
* entity name.
* @param text The value of the entity.
* @param nonNormalizedText The non-normalized value of the entity. This
* value contains the same sequence of characters that was in
* the internal entity declaration, without any entity
* references expanded.
*
* @param augs Additional information that may include infoset
* augmentations.
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void internalEntityDecl(String name, XMLString text,
XMLString nonNormalizedText,
Augmentations augs) throws XNIException {
try {
// SAX2 extensions
if (fDeclHandler != null) {
fDeclHandler.internalEntityDecl(name, text.toString());
}
}
catch (SAXException e) {
throw new XNIException(e);
}
} // internalEntityDecl(String,XMLString,XMLString)
/**
* An external entity declaration.
*
* @param name The name of the entity. Parameter entity names start
* with '%', whereas the name of a general entity is just
* the entity name.
* @param identifier An object containing all location information
* pertinent to this entity.
* @param augs Additional information that may include infoset
* augmentations.
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void externalEntityDecl(String name, XMLResourceIdentifier identifier,
Augmentations augs) throws XNIException {
try {
// SAX2 extension
if (fDeclHandler != null) {
String publicId = identifier.getPublicId();
String systemId = fResolveDTDURIs ?
identifier.getExpandedSystemId() : identifier.getLiteralSystemId();
fDeclHandler.externalEntityDecl(name, publicId, systemId);
}
}
catch (SAXException e) {
throw new XNIException(e);
}
} // externalEntityDecl(String,,XMLResourceIdentifier, Augmentations)
/**
* An unparsed entity declaration.
*
* @param name The name of the entity.
* @param identifier An object containing all location information
* pertinent to this entity.
* @param notation The name of the notation.
*
* @param augs Additional information that may include infoset
* augmentations.
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void unparsedEntityDecl(String name, XMLResourceIdentifier identifier,
String notation,
Augmentations augs) throws XNIException {
try {
// SAX2 extension
if (fDTDHandler != null) {
String publicId = identifier.getPublicId();
String systemId = fResolveDTDURIs ?
identifier.getExpandedSystemId() : identifier.getLiteralSystemId();
fDTDHandler.unparsedEntityDecl(name, publicId, systemId, notation);
}
}
catch (SAXException e) {
throw new XNIException(e);
}
} // unparsedEntityDecl(String,XMLResourceIdentifier, String, Augmentations)
/**
* A notation declaration
*
* @param name The name of the notation.
* @param identifier An object containing all location information
* pertinent to this notation.
* @param augs Additional information that may include infoset
* augmentations.
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void notationDecl(String name, XMLResourceIdentifier identifier,
Augmentations augs) throws XNIException {
try {
// SAX1 and SAX2
if (fDTDHandler != null) {
String publicId = identifier.getPublicId();
String systemId = fResolveDTDURIs ?
identifier.getExpandedSystemId() : identifier.getLiteralSystemId();
fDTDHandler.notationDecl(name, publicId, systemId);
}
}
catch (SAXException e) {
throw new XNIException(e);
}
} // notationDecl(String,XMLResourceIdentifier, Augmentations)
/**
* The end of the DTD.
*
* @param augs Additional information that may include infoset
* augmentations.
*
* @throws XNIException Thrown by handler to signal an error.
*/
public void endDTD(Augmentations augs) throws XNIException {
fInDTD = false;
try {
// SAX2 extension
if (fLexicalHandler != null) {
fLexicalHandler.endDTD();
}
}
catch (SAXException e) {
throw new XNIException(e);
}
if(fDeclaredAttrs != null) {
// help out the GC
fDeclaredAttrs.clear();
}
} // endDTD()
//
// Parser and XMLReader methods
//
/**
* Parses the input source specified by the given system identifier.
* <p>
* This method is equivalent to the following:
* <pre>
* parse(new InputSource(systemId));
* </pre>
*
* @param systemId The system identifier (URI).
*
* @exception org.xml.sax.SAXException Throws exception on SAX error.
* @exception java.io.IOException Throws exception on i/o error.
*/
public void parse(String systemId) throws SAXException, IOException {
// parse document
XMLInputSource source = new XMLInputSource(null, systemId, null);
try {
parse(source);
}
// wrap XNI exceptions as SAX exceptions
catch (XMLParseException e) {
Exception ex = e.getException();
if (ex == null) {
// must be a parser exception; mine it for locator info and throw
// a SAXParseException
LocatorImpl locatorImpl = new LocatorImpl(){
public String getXMLVersion() {
return fVersion;
}
// since XMLParseExceptions know nothing about encoding,
// we cannot return anything meaningful in this context.
// We *could* consult the LocatorProxy, but the
// application can do this itself if it wishes to possibly
// be mislead.
public String getEncoding() {
return null;
}
};
locatorImpl.setPublicId(e.getPublicId());
locatorImpl.setSystemId(e.getExpandedSystemId());
locatorImpl.setLineNumber(e.getLineNumber());
locatorImpl.setColumnNumber(e.getColumnNumber());
throw new SAXParseException(e.getMessage(), locatorImpl);
}
if (ex instanceof SAXException) {
// why did we create an XMLParseException?
throw (SAXException)ex;
}
if (ex instanceof IOException) {
throw (IOException)ex;
}
throw new SAXException(ex);
}
catch (XNIException e) {
Exception ex = e.getException();
if (ex == null) {
throw new SAXException(e.getMessage());
}
if (ex instanceof SAXException) {
throw (SAXException)ex;
}
if (ex instanceof IOException) {
throw (IOException)ex;
}
throw new SAXException(ex);
}
} // parse(String)
/**
* parse
*
* @param inputSource
*
* @exception org.xml.sax.SAXException
* @exception java.io.IOException
*/
public void parse(InputSource inputSource)
throws SAXException, IOException {
// parse document
try {
XMLInputSource xmlInputSource =
new XMLInputSource(inputSource.getPublicId(),
inputSource.getSystemId(),
null);
xmlInputSource.setByteStream(inputSource.getByteStream());
xmlInputSource.setCharacterStream(inputSource.getCharacterStream());
xmlInputSource.setEncoding(inputSource.getEncoding());
parse(xmlInputSource);
}
// wrap XNI exceptions as SAX exceptions
catch (XMLParseException e) {
Exception ex = e.getException();
if (ex == null) {
// must be a parser exception; mine it for locator info and throw
// a SAXParseException
LocatorImpl locatorImpl = new LocatorImpl() {
public String getXMLVersion() {
return fVersion;
}
// since XMLParseExceptions know nothing about encoding,
// we cannot return anything meaningful in this context.
// We *could* consult the LocatorProxy, but the
// application can do this itself if it wishes to possibly
// be mislead.
public String getEncoding() {
return null;
}
};
locatorImpl.setPublicId(e.getPublicId());
locatorImpl.setSystemId(e.getExpandedSystemId());
locatorImpl.setLineNumber(e.getLineNumber());
locatorImpl.setColumnNumber(e.getColumnNumber());
throw new SAXParseException(e.getMessage(), locatorImpl);
}
if (ex instanceof SAXException) {
// why did we create an XMLParseException?
throw (SAXException)ex;
}
if (ex instanceof IOException) {
throw (IOException)ex;
}
throw new SAXException(ex);
}
catch (XNIException e) {
Exception ex = e.getException();
if (ex == null) {
throw new SAXException(e.getMessage());
}
if (ex instanceof SAXException) {
throw (SAXException)ex;
}
if (ex instanceof IOException) {
throw (IOException)ex;
}
throw new SAXException(ex);
}
} // parse(InputSource)
/**
* Sets the resolver used to resolve external entities. The EntityResolver
* interface supports resolution of public and system identifiers.
*
* @param resolver The new entity resolver. Passing a null value will
* uninstall the currently installed resolver.
*/
public void setEntityResolver(EntityResolver resolver) {
try {
XMLEntityResolver xer = (XMLEntityResolver) fConfiguration.getProperty(ENTITY_RESOLVER);
if (fUseEntityResolver2 && resolver instanceof EntityResolver2) {
if (xer instanceof EntityResolver2Wrapper) {
EntityResolver2Wrapper er2w = (EntityResolver2Wrapper) xer;
er2w.setEntityResolver((EntityResolver2) resolver);
}
else {
fConfiguration.setProperty(ENTITY_RESOLVER,
new EntityResolver2Wrapper((EntityResolver2) resolver));
}
}
else {
if (xer instanceof EntityResolverWrapper) {
EntityResolverWrapper erw = (EntityResolverWrapper) xer;
erw.setEntityResolver(resolver);
}
else {
fConfiguration.setProperty(ENTITY_RESOLVER,
new EntityResolverWrapper(resolver));
}
}
}
catch (XMLConfigurationException e) {
// do nothing
}
} // setEntityResolver(EntityResolver)
/**
* Return the current entity resolver.
*
* @return The current entity resolver, or null if none
* has been registered.
* @see #setEntityResolver
*/
public EntityResolver getEntityResolver() {
EntityResolver entityResolver = null;
try {
XMLEntityResolver xmlEntityResolver =
(XMLEntityResolver)fConfiguration.getProperty(ENTITY_RESOLVER);
if (xmlEntityResolver != null) {
if (xmlEntityResolver instanceof EntityResolverWrapper) {
entityResolver =
((EntityResolverWrapper) xmlEntityResolver).getEntityResolver();
}
else if (xmlEntityResolver instanceof EntityResolver2Wrapper) {
entityResolver =
((EntityResolver2Wrapper) xmlEntityResolver).getEntityResolver();
}
}
}
catch (XMLConfigurationException e) {
// do nothing
}
return entityResolver;
} // getEntityResolver():EntityResolver
/**
* Allow an application to register an error event handler.
*
* <p>If the application does not register an error handler, all
* error events reported by the SAX parser will be silently
* ignored; however, normal processing may not continue. It is
* highly recommended that all SAX applications implement an
* error handler to avoid unexpected bugs.</p>
*
* <p>Applications may register a new or different handler in the
* middle of a parse, and the SAX parser must begin using the new
* handler immediately.</p>
*
* @param errorHandler The error handler.
* @see #getErrorHandler
*/
public void setErrorHandler(ErrorHandler errorHandler) {
try {
XMLErrorHandler xeh = (XMLErrorHandler) fConfiguration.getProperty(ERROR_HANDLER);
if (xeh instanceof ErrorHandlerWrapper) {
ErrorHandlerWrapper ehw = (ErrorHandlerWrapper) xeh;
ehw.setErrorHandler(errorHandler);
}
else {
fConfiguration.setProperty(ERROR_HANDLER,
new ErrorHandlerWrapper(errorHandler));
}
}
catch (XMLConfigurationException e) {
// do nothing
}
} // setErrorHandler(ErrorHandler)
/**
* Return the current error handler.
*
* @return The current error handler, or null if none
* has been registered.
* @see #setErrorHandler
*/
public ErrorHandler getErrorHandler() {
ErrorHandler errorHandler = null;
try {
XMLErrorHandler xmlErrorHandler =
(XMLErrorHandler)fConfiguration.getProperty(ERROR_HANDLER);
if (xmlErrorHandler != null &&
xmlErrorHandler instanceof ErrorHandlerWrapper) {
errorHandler = ((ErrorHandlerWrapper)xmlErrorHandler).getErrorHandler();
}
}
catch (XMLConfigurationException e) {
// do nothing
}
return errorHandler;
} // getErrorHandler():ErrorHandler
/**
* Set the locale to use for messages.
*
* @param locale The locale object to use for localization of messages.
*
* @exception SAXException An exception thrown if the parser does not
* support the specified locale.
*
* @see org.xml.sax.Parser
*/
public void setLocale(Locale locale) throws SAXException {
//REVISIT:this methods is not part of SAX2 interfaces, we should throw exception
//if any application uses SAX2 and sets locale also. -nb
fConfiguration.setLocale(locale);
} // setLocale(Locale)
/**
* Allow an application to register a DTD event handler.
* <p>
* If the application does not register a DTD handler, all DTD
* events reported by the SAX parser will be silently ignored.
* <p>
* Applications may register a new or different handler in the
* middle of a parse, and the SAX parser must begin using the new
* handler immediately.
*
* @param dtdHandler The DTD handler.
*
* @see #getDTDHandler
*/
public void setDTDHandler(DTDHandler dtdHandler) {
fDTDHandler = dtdHandler;
} // setDTDHandler(DTDHandler)
//
// Parser methods
//
/**
* Allow an application to register a document event handler.
* <p>
* If the application does not register a document handler, all
* document events reported by the SAX parser will be silently
* ignored (this is the default behaviour implemented by
* HandlerBase).
* <p>
* Applications may register a new or different handler in the
* middle of a parse, and the SAX parser must begin using the new
* handler immediately.
*
* @param documentHandler The document handler.
*/
public void setDocumentHandler(DocumentHandler documentHandler) {
fDocumentHandler = documentHandler;
} // setDocumentHandler(DocumentHandler)
//
// XMLReader methods
//
/**
* Allow an application to register a content event handler.
* <p>
* If the application does not register a content handler, all
* content events reported by the SAX parser will be silently
* ignored.
* <p>
* Applications may register a new or different handler in the
* middle of a parse, and the SAX parser must begin using the new
* handler immediately.
*
* @param contentHandler The content handler.
*
* @see #getContentHandler
*/
public void setContentHandler(ContentHandler contentHandler) {
fContentHandler = contentHandler;
} // setContentHandler(ContentHandler)
/**
* Return the current content handler.
*
* @return The current content handler, or null if none
* has been registered.
*
* @see #setContentHandler
*/
public ContentHandler getContentHandler() {
return fContentHandler;
} // getContentHandler():ContentHandler
/**
* Return the current DTD handler.
*
* @return The current DTD handler, or null if none
* has been registered.
* @see #setDTDHandler
*/
public DTDHandler getDTDHandler() {
return fDTDHandler;
} // getDTDHandler():DTDHandler
/**
* Set the state of any feature in a SAX2 parser. The parser
* might not recognize the feature, and if it does recognize
* it, it might not be able to fulfill the request.
*
* @param featureId The unique identifier (URI) of the feature.
* @param state The requested state of the feature (true or false).
*
* @exception SAXNotRecognizedException If the
* requested feature is not known.
* @exception SAXNotSupportedException If the
* requested feature is known, but the requested
* state is not supported.
*/
public void setFeature(String featureId, boolean state)
throws SAXNotRecognizedException, SAXNotSupportedException {
try {
//
// SAX2 Features
//
if (featureId.startsWith(Constants.SAX_FEATURE_PREFIX)) {
final int suffixLength = featureId.length() - Constants.SAX_FEATURE_PREFIX.length();
// http://xml.org/sax/features/namespaces
if (suffixLength == Constants.NAMESPACES_FEATURE.length() &&
featureId.endsWith(Constants.NAMESPACES_FEATURE)) {
fConfiguration.setFeature(featureId, state);
fNamespaces = state;
return;
}
// http://xml.org/sax/features/namespace-prefixes
// controls the reporting of raw prefixed names and Namespace
// declarations (xmlns* attributes): when this feature is false
// (the default), raw prefixed names may optionally be reported,
// and xmlns* attributes must not be reported.
//
if (suffixLength == Constants.NAMESPACE_PREFIXES_FEATURE.length() &&
featureId.endsWith(Constants.NAMESPACE_PREFIXES_FEATURE)) {
fConfiguration.setFeature(featureId, state);
fNamespacePrefixes = state;
return;
}
// http://xml.org/sax/features/string-interning
// controls the use of java.lang.String#intern() for strings
// passed to SAX handlers.
//
if (suffixLength == Constants.STRING_INTERNING_FEATURE.length() &&
featureId.endsWith(Constants.STRING_INTERNING_FEATURE)) {
if (!state) {
throw new SAXNotSupportedException(
SAXMessageFormatter.formatMessage(fConfiguration.getLocale(),
"false-not-supported", new Object [] {featureId}));
}
return;
}
// http://xml.org/sax/features/lexical-handler/parameter-entities
// controls whether the beginning and end of parameter entities
// will be reported to the LexicalHandler.
//
if (suffixLength == Constants.LEXICAL_HANDLER_PARAMETER_ENTITIES_FEATURE.length() &&
featureId.endsWith(Constants.LEXICAL_HANDLER_PARAMETER_ENTITIES_FEATURE)) {
fLexicalHandlerParameterEntities = state;
return;
}
// http://xml.org/sax/features/resolve-dtd-uris
// controls whether system identifiers will be absolutized relative to
// their base URIs before reporting.
//
if (suffixLength == Constants.RESOLVE_DTD_URIS_FEATURE.length() &&
featureId.endsWith(Constants.RESOLVE_DTD_URIS_FEATURE)) {
fResolveDTDURIs = state;
return;
}
// http://xml.org/sax/features/unicode-normalization-checking
// controls whether Unicode normalization checking is performed
// as per Appendix B of the XML 1.1 specification
//
if (suffixLength == Constants.UNICODE_NORMALIZATION_CHECKING_FEATURE.length() &&
featureId.endsWith(Constants.UNICODE_NORMALIZATION_CHECKING_FEATURE)) {
// REVISIT: Allow this feature to be set once Unicode normalization
// checking is supported -- mrglavas.
if (state) {
throw new SAXNotSupportedException(
SAXMessageFormatter.formatMessage(fConfiguration.getLocale(),
"true-not-supported", new Object [] {featureId}));
}
return;
}
// http://xml.org/sax/features/xmlns-uris
// controls whether the parser reports that namespace declaration
// attributes as being in the namespace: http://www.w3.org/2000/xmlns/
//
if (suffixLength == Constants.XMLNS_URIS_FEATURE.length() &&
featureId.endsWith(Constants.XMLNS_URIS_FEATURE)) {
fXMLNSURIs = state;
return;
}
// http://xml.org/sax/features/use-entity-resolver2
// controls whether the methods of an object implementing
// org.xml.sax.ext.EntityResolver2 will be used by the parser.
//
if (suffixLength == Constants.USE_ENTITY_RESOLVER2_FEATURE.length() &&
featureId.endsWith(Constants.USE_ENTITY_RESOLVER2_FEATURE)) {
if (state != fUseEntityResolver2) {
fUseEntityResolver2 = state;
// Refresh EntityResolver wrapper.
setEntityResolver(getEntityResolver());
}
return;
}
//
// Read only features.
//
// http://xml.org/sax/features/is-standalone
// reports whether the document specified a standalone document declaration.
// http://xml.org/sax/features/use-attributes2
// reports whether Attributes objects passed to startElement also implement
// the org.xml.sax.ext.Attributes2 interface.
// http://xml.org/sax/features/use-locator2
// reports whether Locator objects passed to setDocumentLocator also implement
// the org.xml.sax.ext.Locator2 interface.
// http://xml.org/sax/features/xml-1.1
// reports whether the parser supports both XML 1.1 and XML 1.0.
if ((suffixLength == Constants.IS_STANDALONE_FEATURE.length() &&
featureId.endsWith(Constants.IS_STANDALONE_FEATURE)) ||
(suffixLength == Constants.USE_ATTRIBUTES2_FEATURE.length() &&
featureId.endsWith(Constants.USE_ATTRIBUTES2_FEATURE)) ||
(suffixLength == Constants.USE_LOCATOR2_FEATURE.length() &&
featureId.endsWith(Constants.USE_LOCATOR2_FEATURE)) ||
(suffixLength == Constants.XML_11_FEATURE.length() &&
featureId.endsWith(Constants.XML_11_FEATURE))) {
throw new SAXNotSupportedException(
SAXMessageFormatter.formatMessage(fConfiguration.getLocale(),
"feature-read-only", new Object [] {featureId}));
}
//
// Drop through and perform default processing
//
}
else if (featureId.equals(XMLConstants.FEATURE_SECURE_PROCESSING)) {
if (state) {
if (fConfiguration.getProperty(SECURITY_MANAGER )==null) {
fConfiguration.setProperty(SECURITY_MANAGER, new XMLSecurityManager());
}
}
}
//
// Default handling
//
fConfiguration.setFeature(featureId, state);
}
catch (XMLConfigurationException e) {
String identifier = e.getIdentifier();
if (e.getType() == Status.NOT_RECOGNIZED) {
throw new SAXNotRecognizedException(
SAXMessageFormatter.formatMessage(fConfiguration.getLocale(),
"feature-not-recognized", new Object [] {identifier}));
}
else {
throw new SAXNotSupportedException(
SAXMessageFormatter.formatMessage(fConfiguration.getLocale(),
"feature-not-supported", new Object [] {identifier}));
}
}
} // setFeature(String,boolean)
/**
* Query the state of a feature.
*
* Query the current state of any feature in a SAX2 parser. The
* parser might not recognize the feature.
*
* @param featureId The unique identifier (URI) of the feature
* being set.
* @return The current state of the feature.
* @exception org.xml.sax.SAXNotRecognizedException If the
* requested feature is not known.
* @exception SAXNotSupportedException If the
* requested feature is known but not supported.
*/
public boolean getFeature(String featureId)
throws SAXNotRecognizedException, SAXNotSupportedException {
try {
//
// SAX2 Features
//
if (featureId.startsWith(Constants.SAX_FEATURE_PREFIX)) {
final int suffixLength = featureId.length() - Constants.SAX_FEATURE_PREFIX.length();
// http://xml.org/sax/features/namespace-prefixes
// controls the reporting of raw prefixed names and Namespace
// declarations (xmlns* attributes): when this feature is false
// (the default), raw prefixed names may optionally be reported,
// and xmlns* attributes must not be reported.
//
if (suffixLength == Constants.NAMESPACE_PREFIXES_FEATURE.length() &&
featureId.endsWith(Constants.NAMESPACE_PREFIXES_FEATURE)) {
boolean state = fConfiguration.getFeature(featureId);
return state;
}
// http://xml.org/sax/features/string-interning
// controls the use of java.lang.String#intern() for strings
// passed to SAX handlers.
//
if (suffixLength == Constants.STRING_INTERNING_FEATURE.length() &&
featureId.endsWith(Constants.STRING_INTERNING_FEATURE)) {
return true;
}
// http://xml.org/sax/features/is-standalone
// reports whether the document specified a standalone document declaration.
//
if (suffixLength == Constants.IS_STANDALONE_FEATURE.length() &&
featureId.endsWith(Constants.IS_STANDALONE_FEATURE)) {
return fStandalone;
}
// http://xml.org/sax/features/xml-1.1
// reports whether the parser supports both XML 1.1 and XML 1.0.
//
if (suffixLength == Constants.XML_11_FEATURE.length() &&
featureId.endsWith(Constants.XML_11_FEATURE)) {
return (fConfiguration instanceof XML11Configurable);
}
// http://xml.org/sax/features/lexical-handler/parameter-entities
// controls whether the beginning and end of parameter entities
// will be reported to the LexicalHandler.
//
if (suffixLength == Constants.LEXICAL_HANDLER_PARAMETER_ENTITIES_FEATURE.length() &&
featureId.endsWith(Constants.LEXICAL_HANDLER_PARAMETER_ENTITIES_FEATURE)) {
return fLexicalHandlerParameterEntities;
}
// http://xml.org/sax/features/resolve-dtd-uris
// controls whether system identifiers will be absolutized relative to
// their base URIs before reporting.
if (suffixLength == Constants.RESOLVE_DTD_URIS_FEATURE.length() &&
featureId.endsWith(Constants.RESOLVE_DTD_URIS_FEATURE)) {
return fResolveDTDURIs;
}
// http://xml.org/sax/features/xmlns-uris
// controls whether the parser reports that namespace declaration
// attributes as being in the namespace: http://www.w3.org/2000/xmlns/
//
if (suffixLength == Constants.XMLNS_URIS_FEATURE.length() &&
featureId.endsWith(Constants.XMLNS_URIS_FEATURE)) {
return fXMLNSURIs;
}
// http://xml.org/sax/features/unicode-normalization-checking
// controls whether Unicode normalization checking is performed
// as per Appendix B of the XML 1.1 specification
//
if (suffixLength == Constants.UNICODE_NORMALIZATION_CHECKING_FEATURE.length() &&
featureId.endsWith(Constants.UNICODE_NORMALIZATION_CHECKING_FEATURE)) {
// REVISIT: Allow this feature to be set once Unicode normalization
// checking is supported -- mrglavas.
return false;
}
// http://xml.org/sax/features/use-entity-resolver2
// controls whether the methods of an object implementing
// org.xml.sax.ext.EntityResolver2 will be used by the parser.
//
if (suffixLength == Constants.USE_ENTITY_RESOLVER2_FEATURE.length() &&
featureId.endsWith(Constants.USE_ENTITY_RESOLVER2_FEATURE)) {
return fUseEntityResolver2;
}
// http://xml.org/sax/features/use-attributes2
// reports whether Attributes objects passed to startElement also implement
// the org.xml.sax.ext.Attributes2 interface.
// http://xml.org/sax/features/use-locator2
// reports whether Locator objects passed to setDocumentLocator also implement
// the org.xml.sax.ext.Locator2 interface.
//
if ((suffixLength == Constants.USE_ATTRIBUTES2_FEATURE.length() &&
featureId.endsWith(Constants.USE_ATTRIBUTES2_FEATURE)) ||
(suffixLength == Constants.USE_LOCATOR2_FEATURE.length() &&
featureId.endsWith(Constants.USE_LOCATOR2_FEATURE))) {
return true;
}
//
// Drop through and perform default processing
//
}
//
// Xerces Features
//
/*
else if (featureId.startsWith(XERCES_FEATURES_PREFIX)) {
//
// Drop through and perform default processing
//
}
*/
return fConfiguration.getFeature(featureId);
}
catch (XMLConfigurationException e) {
String identifier = e.getIdentifier();
if (e.getType() == Status.NOT_RECOGNIZED) {
throw new SAXNotRecognizedException(
SAXMessageFormatter.formatMessage(fConfiguration.getLocale(),
"feature-not-recognized", new Object [] {identifier}));
}
else {
throw new SAXNotSupportedException(
SAXMessageFormatter.formatMessage(fConfiguration.getLocale(),
"feature-not-supported", new Object [] {identifier}));
}
}
} // getFeature(String):boolean
/**
* Set the value of any property in a SAX2 parser. The parser
* might not recognize the property, and if it does recognize
* it, it might not support the requested value.
*
* @param propertyId The unique identifier (URI) of the property
* being set.
* @param value The value to which the property is being set.
*
* @exception SAXNotRecognizedException If the
* requested property is not known.
* @exception SAXNotSupportedException If the
* requested property is known, but the requested
* value is not supported.
*/
public void setProperty(String propertyId, Object value)
throws SAXNotRecognizedException, SAXNotSupportedException {
try {
//
// SAX2 core properties
//
if (propertyId.startsWith(Constants.SAX_PROPERTY_PREFIX)) {
final int suffixLength = propertyId.length() - Constants.SAX_PROPERTY_PREFIX.length();
//
// http://xml.org/sax/properties/lexical-handler
// Value type: org.xml.sax.ext.LexicalHandler
// Access: read/write, pre-parse only
// Set the lexical event handler.
//
if (suffixLength == Constants.LEXICAL_HANDLER_PROPERTY.length() &&
propertyId.endsWith(Constants.LEXICAL_HANDLER_PROPERTY)) {
try {
setLexicalHandler((LexicalHandler)value);
}
catch (ClassCastException e) {
throw new SAXNotSupportedException(
SAXMessageFormatter.formatMessage(fConfiguration.getLocale(),
"incompatible-class", new Object [] {propertyId, "org.xml.sax.ext.LexicalHandler"}));
}
return;
}
//
// http://xml.org/sax/properties/declaration-handler
// Value type: org.xml.sax.ext.DeclHandler
// Access: read/write, pre-parse only
// Set the DTD declaration event handler.
//
if (suffixLength == Constants.DECLARATION_HANDLER_PROPERTY.length() &&
propertyId.endsWith(Constants.DECLARATION_HANDLER_PROPERTY)) {
try {
setDeclHandler((DeclHandler)value);
}
catch (ClassCastException e) {
throw new SAXNotSupportedException(
SAXMessageFormatter.formatMessage(fConfiguration.getLocale(),
"incompatible-class", new Object [] {propertyId, "org.xml.sax.ext.DeclHandler"}));
}
return;
}
//
// http://xml.org/sax/properties/dom-node
// Value type: DOM Node
// Access: read-only
// Get the DOM node currently being visited, if the SAX parser is
// iterating over a DOM tree. If the parser recognises and
// supports this property but is not currently visiting a DOM
// node, it should return null (this is a good way to check for
// availability before the parse begins).
// http://xml.org/sax/properties/document-xml-version
// Value type: java.lang.String
// Access: read-only
// The literal string describing the actual XML version of the document.
//
if ((suffixLength == Constants.DOM_NODE_PROPERTY.length() &&
propertyId.endsWith(Constants.DOM_NODE_PROPERTY)) ||
(suffixLength == Constants.DOCUMENT_XML_VERSION_PROPERTY.length() &&
propertyId.endsWith(Constants.DOCUMENT_XML_VERSION_PROPERTY))) {
throw new SAXNotSupportedException(
SAXMessageFormatter.formatMessage(fConfiguration.getLocale(),
"property-read-only", new Object [] {propertyId}));
}
//
// Drop through and perform default processing
//
}
//
// Xerces Properties
//
/*
else if (propertyId.startsWith(XERCES_PROPERTIES_PREFIX)) {
//
// Drop through and perform default processing
//
}
*/
//
// Perform default processing
//
fConfiguration.setProperty(propertyId, value);
}
catch (XMLConfigurationException e) {
String identifier = e.getIdentifier();
if (e.getType() == Status.NOT_RECOGNIZED) {
throw new SAXNotRecognizedException(
SAXMessageFormatter.formatMessage(fConfiguration.getLocale(),
"property-not-recognized", new Object [] {identifier}));
}
else {
throw new SAXNotSupportedException(
SAXMessageFormatter.formatMessage(fConfiguration.getLocale(),
"property-not-supported", new Object [] {identifier}));
}
}
} // setProperty(String,Object)
/**
* Query the value of a property.
*
* Return the current value of a property in a SAX2 parser.
* The parser might not recognize the property.
*
* @param propertyId The unique identifier (URI) of the property
* being set.
* @return The current value of the property.
* @exception org.xml.sax.SAXNotRecognizedException If the
* requested property is not known.
* @exception SAXNotSupportedException If the
* requested property is known but not supported.
*/
public Object getProperty(String propertyId)
throws SAXNotRecognizedException, SAXNotSupportedException {
try {
//
// SAX2 core properties
//
if (propertyId.startsWith(Constants.SAX_PROPERTY_PREFIX)) {
final int suffixLength = propertyId.length() - Constants.SAX_PROPERTY_PREFIX.length();
//
// http://xml.org/sax/properties/document-xml-version
// Value type: java.lang.String
// Access: read-only
// The literal string describing the actual XML version of the document.
//
if (suffixLength == Constants.DOCUMENT_XML_VERSION_PROPERTY.length() &&
propertyId.endsWith(Constants.DOCUMENT_XML_VERSION_PROPERTY)) {
return fVersion;
}
//
// http://xml.org/sax/properties/lexical-handler
// Value type: org.xml.sax.ext.LexicalHandler
// Access: read/write, pre-parse only
// Set the lexical event handler.
//
if (suffixLength == Constants.LEXICAL_HANDLER_PROPERTY.length() &&
propertyId.endsWith(Constants.LEXICAL_HANDLER_PROPERTY)) {
return getLexicalHandler();
}
//
// http://xml.org/sax/properties/declaration-handler
// Value type: org.xml.sax.ext.DeclHandler
// Access: read/write, pre-parse only
// Set the DTD declaration event handler.
//
if (suffixLength == Constants.DECLARATION_HANDLER_PROPERTY.length() &&
propertyId.endsWith(Constants.DECLARATION_HANDLER_PROPERTY)) {
return getDeclHandler();
}
//
// http://xml.org/sax/properties/dom-node
// Value type: DOM Node
// Access: read-only
// Get the DOM node currently being visited, if the SAX parser is
// iterating over a DOM tree. If the parser recognises and
// supports this property but is not currently visiting a DOM
// node, it should return null (this is a good way to check for
// availability before the parse begins).
//
if (suffixLength == Constants.DOM_NODE_PROPERTY.length() &&
propertyId.endsWith(Constants.DOM_NODE_PROPERTY)) {
// we are not iterating a DOM tree
throw new SAXNotSupportedException(
SAXMessageFormatter.formatMessage(fConfiguration.getLocale(),
"dom-node-read-not-supported", null));
}
//
// Drop through and perform default processing
//
}
//
// Xerces properties
//
/*
else if (propertyId.startsWith(XERCES_PROPERTIES_PREFIX)) {
//
// Drop through and perform default processing
//
}
*/
//
// Perform default processing
//
return fConfiguration.getProperty(propertyId);
}
catch (XMLConfigurationException e) {
String identifier = e.getIdentifier();
if (e.getType() == Status.NOT_RECOGNIZED) {
throw new SAXNotRecognizedException(
SAXMessageFormatter.formatMessage(fConfiguration.getLocale(),
"property-not-recognized", new Object [] {identifier}));
}
else {
throw new SAXNotSupportedException(
SAXMessageFormatter.formatMessage(fConfiguration.getLocale(),
"property-not-supported", new Object [] {identifier}));
}
}
} // getProperty(String):Object
//
// Protected methods
//
// SAX2 core properties
/**
* Set the DTD declaration event handler.
* <p>
* This method is the equivalent to the property:
* <pre>
* http://xml.org/sax/properties/declaration-handler
* </pre>
*
* @param handler The new handler.
*
* @see #getDeclHandler
* @see #setProperty
*/
protected void setDeclHandler(DeclHandler handler)
throws SAXNotRecognizedException, SAXNotSupportedException {
if (fParseInProgress) {
throw new SAXNotSupportedException(
SAXMessageFormatter.formatMessage(fConfiguration.getLocale(),
"property-not-parsing-supported",
new Object [] {"http://xml.org/sax/properties/declaration-handler"}));
}
fDeclHandler = handler;
} // setDeclHandler(DeclHandler)
/**
* Returns the DTD declaration event handler.
*
* @see #setDeclHandler
*/
protected DeclHandler getDeclHandler()
throws SAXNotRecognizedException, SAXNotSupportedException {
return fDeclHandler;
} // getDeclHandler():DeclHandler
/**
* Set the lexical event handler.
* <p>
* This method is the equivalent to the property:
* <pre>
* http://xml.org/sax/properties/lexical-handler
* </pre>
*
* @param handler lexical event handler
*
* @see #getLexicalHandler
* @see #setProperty
*/
protected void setLexicalHandler(LexicalHandler handler)
throws SAXNotRecognizedException, SAXNotSupportedException {
if (fParseInProgress) {
throw new SAXNotSupportedException(
SAXMessageFormatter.formatMessage(fConfiguration.getLocale(),
"property-not-parsing-supported",
new Object [] {"http://xml.org/sax/properties/lexical-handler"}));
}
fLexicalHandler = handler;
} // setLexicalHandler(LexicalHandler)
/**
* Returns the lexical handler.
*
* @see #setLexicalHandler
*/
protected LexicalHandler getLexicalHandler()
throws SAXNotRecognizedException, SAXNotSupportedException {
return fLexicalHandler;
} // getLexicalHandler():LexicalHandler
/**
* Send startPrefixMapping events
*/
protected final void startNamespaceMapping() throws SAXException{
int count = fNamespaceContext.getDeclaredPrefixCount();
if (count > 0) {
String prefix = null;
String uri = null;
for (int i = 0; i < count; i++) {
prefix = fNamespaceContext.getDeclaredPrefixAt(i);
uri = fNamespaceContext.getURI(prefix);
fContentHandler.startPrefixMapping(prefix,
(uri == null) ? "" : uri);
}
}
}
/**
* Send endPrefixMapping events
*/
protected final void endNamespaceMapping() throws SAXException {
int count = fNamespaceContext.getDeclaredPrefixCount();
if (count > 0) {
for (int i = 0; i < count; i++) {
fContentHandler.endPrefixMapping(fNamespaceContext.getDeclaredPrefixAt(i));
}
}
}
//
// XMLDocumentParser methods
//
/**
* Reset all components before parsing.
*
* @throws XNIException Thrown if an error occurs during initialization.
*/
public void reset() throws XNIException {
super.reset();
// reset state
fInDTD = false;
fVersion = "1.0";
fStandalone = false;
// features
fNamespaces = fConfiguration.getFeature(NAMESPACES);
fNamespacePrefixes = fConfiguration.getFeature(NAMESPACE_PREFIXES);
fAugmentations = null;
fDeclaredAttrs = null;
} // reset()
//
// Classes
//
protected class LocatorProxy
implements Locator2 {
//
// Data
//
/** XML locator. */
protected XMLLocator fLocator;
//
// Constructors
//
/** Constructs an XML locator proxy. */
public LocatorProxy(XMLLocator locator) {
fLocator = locator;
}
//
// Locator methods
//
/** Public identifier. */
public String getPublicId() {
return fLocator.getPublicId();
}
/** System identifier. */
public String getSystemId() {
return fLocator.getExpandedSystemId();
}
/** Line number. */
public int getLineNumber() {
return fLocator.getLineNumber();
}
/** Column number. */
public int getColumnNumber() {
return fLocator.getColumnNumber();
}
// Locator2 methods
public String getXMLVersion() {
return fLocator.getXMLVersion();
}
public String getEncoding() {
return fLocator.getEncoding();
}
} // class LocatorProxy
protected static final class AttributesProxy
implements AttributeList, Attributes2 {
//
// Data
//
/** XML attributes. */
protected XMLAttributes fAttributes;
//
// Public methods
//
/** Sets the XML attributes. */
public void setAttributes(XMLAttributes attributes) {
fAttributes = attributes;
} // setAttributes(XMLAttributes)
public int getLength() {
return fAttributes.getLength();
}
public String getName(int i) {
return fAttributes.getQName(i);
}
public String getQName(int index) {
return fAttributes.getQName(index);
}
public String getURI(int index) {
// REVISIT: this hides the fact that internally we use
// null instead of empty string
// SAX requires URI to be a string or an empty string
String uri= fAttributes.getURI(index);
return uri != null ? uri : "";
}
public String getLocalName(int index) {
return fAttributes.getLocalName(index);
}
public String getType(int i) {
return fAttributes.getType(i);
}
public String getType(String name) {
return fAttributes.getType(name);
}
public String getType(String uri, String localName) {
return uri.equals("") ? fAttributes.getType(null, localName) :
fAttributes.getType(uri, localName);
}
public String getValue(int i) {
return fAttributes.getValue(i);
}
public String getValue(String name) {
return fAttributes.getValue(name);
}
public String getValue(String uri, String localName) {
return uri.equals("") ? fAttributes.getValue(null, localName) :
fAttributes.getValue(uri, localName);
}
public int getIndex(String qName) {
return fAttributes.getIndex(qName);
}
public int getIndex(String uri, String localPart) {
return uri.equals("") ? fAttributes.getIndex(null, localPart) :
fAttributes.getIndex(uri, localPart);
}
// Attributes2 methods
// REVISIT: Localize exception messages. -- mrglavas
public boolean isDeclared(int index) {
if (index < 0 || index >= fAttributes.getLength()) {
throw new ArrayIndexOutOfBoundsException(index);
}
return Boolean.TRUE.equals(
fAttributes.getAugmentations(index).getItem(
Constants.ATTRIBUTE_DECLARED));
}
public boolean isDeclared(String qName) {
int index = getIndex(qName);
if (index == -1) {
throw new IllegalArgumentException(qName);
}
return Boolean.TRUE.equals(
fAttributes.getAugmentations(index).getItem(
Constants.ATTRIBUTE_DECLARED));
}
public boolean isDeclared(String uri, String localName) {
int index = getIndex(uri, localName);
if (index == -1) {
throw new IllegalArgumentException(localName);
}
return Boolean.TRUE.equals(
fAttributes.getAugmentations(index).getItem(
Constants.ATTRIBUTE_DECLARED));
}
public boolean isSpecified(int index) {
if (index < 0 || index >= fAttributes.getLength()) {
throw new ArrayIndexOutOfBoundsException(index);
}
return fAttributes.isSpecified(index);
}
public boolean isSpecified(String qName) {
int index = getIndex(qName);
if (index == -1) {
throw new IllegalArgumentException(qName);
}
return fAttributes.isSpecified(index);
}
public boolean isSpecified(String uri, String localName) {
int index = getIndex(uri, localName);
if (index == -1) {
throw new IllegalArgumentException(localName);
}
return fAttributes.isSpecified(index);
}
} // class AttributesProxy
// PSVIProvider methods
public ElementPSVI getElementPSVI(){
return (fAugmentations != null)?(ElementPSVI)fAugmentations.getItem(Constants.ELEMENT_PSVI):null;
}
public AttributePSVI getAttributePSVI(int index){
return (AttributePSVI)fAttributesProxy.fAttributes.getAugmentations(index).getItem(Constants.ATTRIBUTE_PSVI);
}
public AttributePSVI getAttributePSVIByName(String uri,
String localname){
return (AttributePSVI)fAttributesProxy.fAttributes.getAugmentations(uri, localname).getItem(Constants.ATTRIBUTE_PSVI);
}
} // class AbstractSAXParser
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