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Java example source code file (SchemaImpl.java)

This example Java source code file (SchemaImpl.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

hashmap, illegalargumentexception, iterator, list, locator, map, namespacecontext, parseexception, sax, schemaimpl, schemasetimpl, string, text, util, xsannotation, xsidentityconstraint, xsschema

The SchemaImpl.java Java example source code

/*
 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package com.sun.xml.internal.xsom.impl;

import com.sun.xml.internal.xsom.ForeignAttributes;
import com.sun.xml.internal.xsom.SCD;
import com.sun.xml.internal.xsom.XSAnnotation;
import com.sun.xml.internal.xsom.XSAttGroupDecl;
import com.sun.xml.internal.xsom.XSAttributeDecl;
import com.sun.xml.internal.xsom.XSComplexType;
import com.sun.xml.internal.xsom.XSComponent;
import com.sun.xml.internal.xsom.XSElementDecl;
import com.sun.xml.internal.xsom.XSIdentityConstraint;
import com.sun.xml.internal.xsom.XSModelGroupDecl;
import com.sun.xml.internal.xsom.XSNotation;
import com.sun.xml.internal.xsom.XSSchema;
import com.sun.xml.internal.xsom.XSSimpleType;
import com.sun.xml.internal.xsom.XSType;
import com.sun.xml.internal.xsom.parser.SchemaDocument;
import com.sun.xml.internal.xsom.visitor.XSFunction;
import com.sun.xml.internal.xsom.visitor.XSVisitor;
import org.xml.sax.Locator;

import javax.xml.namespace.NamespaceContext;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

public class SchemaImpl implements XSSchema
{
    public SchemaImpl(SchemaSetImpl _parent, Locator loc, String tns) {
        if (tns == null)
            // the empty string must be used.
            throw new IllegalArgumentException();
        this.targetNamespace = tns;
        this.parent = _parent;
        this.locator = loc;
    }

    public SchemaDocument getSourceDocument() {
        return null;
    }

    public SchemaSetImpl getRoot() {
        return parent;
    }

    protected final SchemaSetImpl parent;

    private final String targetNamespace;
    public String getTargetNamespace() {
        return targetNamespace;
    }

    public XSSchema getOwnerSchema() {
        return this;
    }

    private XSAnnotation annotation;
    public void setAnnotation(XSAnnotation a) {
        annotation = a;
    }
    public XSAnnotation getAnnotation() {
        return annotation;
    }

    public XSAnnotation getAnnotation(boolean createIfNotExist) {
        if(createIfNotExist && annotation==null)
            annotation = new AnnotationImpl();
        return annotation;
    }

    // it's difficult to determine the source location for the schema
    // component as one schema can be defined across multiple files.
    // so this locator might not correctly reflect all the locations
    // where the schema is defined.
    // but partial information would be better than nothing.

    private final Locator locator;
    public Locator getLocator() {
        return locator;
    }


    private final Map<String,XSAttributeDecl> atts = new HashMap();
    private final Map<String,XSAttributeDecl> attsView = Collections.unmodifiableMap(atts);
    public void addAttributeDecl(XSAttributeDecl newDecl) {
        atts.put(newDecl.getName(), newDecl);
    }
    public Map<String,XSAttributeDecl> getAttributeDecls() {
        return attsView;
    }
    public XSAttributeDecl getAttributeDecl(String name) {
        return atts.get(name);
    }
    public Iterator<XSAttributeDecl> iterateAttributeDecls() {
        return atts.values().iterator();
    }

    private final Map<String,XSElementDecl> elems = new HashMap();
    private final Map<String,XSElementDecl> elemsView = Collections.unmodifiableMap(elems);
    public void addElementDecl(XSElementDecl newDecl) {
        elems.put(newDecl.getName(), newDecl);
    }
    public Map<String,XSElementDecl> getElementDecls() {
        return elemsView;
    }
    public XSElementDecl getElementDecl(String name) {
        return elems.get(name);
    }
    public Iterator<XSElementDecl> iterateElementDecls() {
        return elems.values().iterator();
    }

    private final Map<String,XSAttGroupDecl> attGroups = new HashMap();
    private final Map<String,XSAttGroupDecl> attGroupsView = Collections.unmodifiableMap(attGroups);
    public void addAttGroupDecl(XSAttGroupDecl newDecl, boolean overwrite) {
        if(overwrite || !attGroups.containsKey(newDecl.getName()))
            attGroups.put(newDecl.getName(), newDecl);
    }
    public Map<String,XSAttGroupDecl> getAttGroupDecls() {
        return attGroupsView;
    }
    public XSAttGroupDecl getAttGroupDecl(String name) {
        return attGroups.get(name);
    }
    public Iterator<XSAttGroupDecl> iterateAttGroupDecls() {
        return attGroups.values().iterator();
    }


    private final Map<String,XSNotation> notations = new HashMap();
    private final Map<String,XSNotation> notationsView = Collections.unmodifiableMap(notations);
    public void addNotation( XSNotation newDecl ) {
        notations.put( newDecl.getName(), newDecl );
    }
    public Map<String,XSNotation> getNotations() {
        return notationsView;
    }
    public XSNotation getNotation( String name ) {
        return notations.get(name);
    }
    public Iterator<XSNotation> iterateNotations() {
        return notations.values().iterator();
    }

    private final Map<String,XSModelGroupDecl> modelGroups = new HashMap();
    private final Map<String,XSModelGroupDecl> modelGroupsView = Collections.unmodifiableMap(modelGroups);
    public void addModelGroupDecl(XSModelGroupDecl newDecl, boolean overwrite) {
        if(overwrite || !modelGroups.containsKey(newDecl.getName()))
            modelGroups.put(newDecl.getName(), newDecl);
    }
    public Map<String,XSModelGroupDecl> getModelGroupDecls() {
        return modelGroupsView;
    }
    public XSModelGroupDecl getModelGroupDecl(String name) {
        return modelGroups.get(name);
    }
    public Iterator<XSModelGroupDecl> iterateModelGroupDecls() {
        return modelGroups.values().iterator();
    }


    private final Map<String,XSIdentityConstraint> idConstraints = new HashMap();
    private final Map<String,XSIdentityConstraint> idConstraintsView = Collections.unmodifiableMap(idConstraints);

    protected void addIdentityConstraint(IdentityConstraintImpl c) {
        idConstraints.put(c.getName(),c);
    }

    public Map<String, XSIdentityConstraint> getIdentityConstraints() {
        return idConstraintsView;
    }

    public XSIdentityConstraint getIdentityConstraint(String localName) {
        return idConstraints.get(localName);
    }

    private final Map<String,XSType> allTypes = new HashMap();
    private final Map<String,XSType> allTypesView = Collections.unmodifiableMap(allTypes);

    private final Map<String,XSSimpleType> simpleTypes = new HashMap();
    private final Map<String,XSSimpleType> simpleTypesView = Collections.unmodifiableMap(simpleTypes);
    public void addSimpleType(XSSimpleType newDecl, boolean overwrite) {
        if(overwrite || !simpleTypes.containsKey(newDecl.getName())) {
            simpleTypes.put(newDecl.getName(), newDecl);
            allTypes.put(newDecl.getName(), newDecl);
        }
    }
    public Map<String,XSSimpleType> getSimpleTypes() {
        return simpleTypesView;
    }
    public XSSimpleType getSimpleType(String name) {
        return simpleTypes.get(name);
    }
    public Iterator<XSSimpleType> iterateSimpleTypes() {
        return simpleTypes.values().iterator();
    }

    private final Map<String,XSComplexType> complexTypes = new HashMap();
    private final Map<String,XSComplexType> complexTypesView = Collections.unmodifiableMap(complexTypes);
    public void addComplexType(XSComplexType newDecl, boolean overwrite) {
        if(overwrite || !complexTypes.containsKey(newDecl.getName())) {
            complexTypes.put(newDecl.getName(), newDecl);
            allTypes.put(newDecl.getName(), newDecl);
        }
    }
    public Map<String,XSComplexType> getComplexTypes() {
        return complexTypesView;
    }
    public XSComplexType getComplexType(String name) {
        return complexTypes.get(name);
    }
    public Iterator<XSComplexType> iterateComplexTypes() {
        return complexTypes.values().iterator();
    }

    public Map<String,XSType> getTypes() {
        return allTypesView;
    }
    public XSType getType(String name) {
        return allTypes.get(name);
    }
    public Iterator<XSType> iterateTypes() {
        return allTypes.values().iterator();
    }

    public void visit(XSVisitor visitor) {
        visitor.schema(this);
    }

    public Object apply(XSFunction function) {
        return function.schema(this);
    }

    /**
     * Lazily created list of {@link ForeignAttributesImpl}s.
     */
    private List<ForeignAttributes> foreignAttributes = null;
    private List<ForeignAttributes> readOnlyForeignAttributes = null;

    public void addForeignAttributes(ForeignAttributesImpl fa) {
        if(foreignAttributes==null)
            foreignAttributes = new ArrayList<ForeignAttributes>();
        foreignAttributes.add(fa);
    }

    public List<ForeignAttributes> getForeignAttributes() {
        if(readOnlyForeignAttributes==null) {
            if(foreignAttributes==null)
                readOnlyForeignAttributes = Collections.EMPTY_LIST;
            else
                readOnlyForeignAttributes = Collections.unmodifiableList(foreignAttributes);
        }
        return readOnlyForeignAttributes;
    }

    public String getForeignAttribute(String nsUri, String localName) {
        for( ForeignAttributes fa : getForeignAttributes() ) {
            String v = fa.getValue(nsUri,localName);
            if(v!=null) return v;
        }
        return null;
    }

    public Collection<XSComponent> select(String scd, NamespaceContext nsContext) {
        try {
            return SCD.create(scd,nsContext).select(this);
        } catch (ParseException e) {
            throw new IllegalArgumentException(e);
        }
    }

    public XSComponent selectSingle(String scd, NamespaceContext nsContext) {
        try {
            return SCD.create(scd,nsContext).selectSingle(this);
        } catch (ParseException e) {
            throw new IllegalArgumentException(e);
        }
    }
}

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