Java example source code file (LdapSchemaParser.java)
The LdapSchemaParser.java Java example source code/*
* Copyright (c) 1999, 2011, 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.jndi.ldap;
import javax.naming.*;
import javax.naming.directory.*;
import java.util.Vector;
/**
* Netscape's 3.1 servers have some schema bugs:
* - It puts quotes around OIDs (such as those for SUP, SYNTAX).
* - When you try to write out the MUST/MAY list (such as "MUST cn"),
* it wants ("MUST (cn)") instead
*/
final class LdapSchemaParser {
// do debugging
private static final boolean debug = false;
// names of attribute IDs in the LDAP schema entry
static final String OBJECTCLASSDESC_ATTR_ID = "objectClasses";
static final String ATTRIBUTEDESC_ATTR_ID = "attributeTypes";
static final String SYNTAXDESC_ATTR_ID = "ldapSyntaxes";
static final String MATCHRULEDESC_ATTR_ID = "matchingRules";
// information for creating internal nodes in JNDI schema tree
static final String OBJECTCLASS_DEFINITION_NAME =
"ClassDefinition";
private static final String[] CLASS_DEF_ATTRS = {
"objectclass", "ClassDefinition"};
static final String ATTRIBUTE_DEFINITION_NAME =
"AttributeDefinition";
private static final String[] ATTR_DEF_ATTRS = {
"objectclass", "AttributeDefinition" };
static final String SYNTAX_DEFINITION_NAME =
"SyntaxDefinition";
private static final String[] SYNTAX_DEF_ATTRS = {
"objectclass", "SyntaxDefinition" };
static final String MATCHRULE_DEFINITION_NAME =
"MatchingRule";
private static final String[] MATCHRULE_DEF_ATTRS = {
"objectclass", "MatchingRule" };
// special tokens used in LDAP schema descriptions
private static final char SINGLE_QUOTE = '\'';
private static final char WHSP = ' ';
private static final char OID_LIST_BEGIN = '(';
private static final char OID_LIST_END = ')';
private static final char OID_SEPARATOR = '$';
// common IDs
private static final String NUMERICOID_ID = "NUMERICOID";
private static final String NAME_ID = "NAME";
private static final String DESC_ID = "DESC";
private static final String OBSOLETE_ID = "OBSOLETE";
private static final String SUP_ID = "SUP";
private static final String PRIVATE_ID = "X-";
// Object Class specific IDs
private static final String ABSTRACT_ID = "ABSTRACT";
private static final String STRUCTURAL_ID = "STRUCTURAL";
private static final String AUXILARY_ID = "AUXILIARY";
private static final String MUST_ID = "MUST";
private static final String MAY_ID = "MAY";
// Attribute Type specific IDs
private static final String EQUALITY_ID = "EQUALITY";
private static final String ORDERING_ID = "ORDERING";
private static final String SUBSTR_ID = "SUBSTR";
private static final String SYNTAX_ID = "SYNTAX";
private static final String SINGLE_VAL_ID = "SINGLE-VALUE";
private static final String COLLECTIVE_ID = "COLLECTIVE";
private static final String NO_USER_MOD_ID = "NO-USER-MODIFICATION";
private static final String USAGE_ID = "USAGE";
// The string value we give to boolean variables
private static final String SCHEMA_TRUE_VALUE = "true";
// To get around writing schemas that crash Netscape server
private boolean netscapeBug;
LdapSchemaParser(boolean netscapeBug) {
this.netscapeBug = netscapeBug;
}
final static void LDAP2JNDISchema(Attributes schemaAttrs,
LdapSchemaCtx schemaRoot) throws NamingException {
Attribute objectClassesAttr = null;
Attribute attributeDefAttr = null;
Attribute syntaxDefAttr = null;
Attribute matchRuleDefAttr = null;
objectClassesAttr = schemaAttrs.get(OBJECTCLASSDESC_ATTR_ID);
if(objectClassesAttr != null) {
objectDescs2ClassDefs(objectClassesAttr,schemaRoot);
}
attributeDefAttr = schemaAttrs.get(ATTRIBUTEDESC_ATTR_ID);
if(attributeDefAttr != null) {
attrDescs2AttrDefs(attributeDefAttr, schemaRoot);
}
syntaxDefAttr = schemaAttrs.get(SYNTAXDESC_ATTR_ID);
if(syntaxDefAttr != null) {
syntaxDescs2SyntaxDefs(syntaxDefAttr, schemaRoot);
}
matchRuleDefAttr = schemaAttrs.get(MATCHRULEDESC_ATTR_ID);
if(matchRuleDefAttr != null) {
matchRuleDescs2MatchRuleDefs(matchRuleDefAttr, schemaRoot);
}
}
final private static DirContext objectDescs2ClassDefs(Attribute objDescsAttr,
LdapSchemaCtx schemaRoot)
throws NamingException {
NamingEnumeration<?> objDescs;
Attributes objDef;
LdapSchemaCtx classDefTree;
// create the class def subtree
Attributes attrs = new BasicAttributes(LdapClient.caseIgnore);
attrs.put(CLASS_DEF_ATTRS[0], CLASS_DEF_ATTRS[1]);
classDefTree = schemaRoot.setup(LdapSchemaCtx.OBJECTCLASS_ROOT,
OBJECTCLASS_DEFINITION_NAME, attrs);
objDescs = objDescsAttr.getAll();
String currentName;
while(objDescs.hasMore()) {
String objDesc = (String)objDescs.next();
try {
Object[] def = desc2Def(objDesc);
currentName = (String) def[0];
objDef = (Attributes) def[1];
classDefTree.setup(LdapSchemaCtx.OBJECTCLASS,
currentName, objDef);
} catch (NamingException ne) {
// error occurred while parsing, ignore current entry
}
}
return classDefTree;
}
final private static DirContext attrDescs2AttrDefs(Attribute attributeDescAttr,
LdapSchemaCtx schemaRoot)
throws NamingException {
NamingEnumeration<?> attrDescs;
Attributes attrDef;
LdapSchemaCtx attrDefTree;
// create the AttributeDef subtree
Attributes attrs = new BasicAttributes(LdapClient.caseIgnore);
attrs.put(ATTR_DEF_ATTRS[0], ATTR_DEF_ATTRS[1]);
attrDefTree = schemaRoot.setup(LdapSchemaCtx.ATTRIBUTE_ROOT,
ATTRIBUTE_DEFINITION_NAME, attrs);
attrDescs = attributeDescAttr.getAll();
String currentName;
while(attrDescs.hasMore()) {
String attrDesc = (String)attrDescs.next();
try {
Object[] def = desc2Def(attrDesc);
currentName = (String) def[0];
attrDef = (Attributes) def[1];
attrDefTree.setup(LdapSchemaCtx.ATTRIBUTE,
currentName, attrDef);
} catch (NamingException ne) {
// error occurred while parsing, ignore current entry
}
}
return attrDefTree;
}
final private static DirContext syntaxDescs2SyntaxDefs(
Attribute syntaxDescAttr,
LdapSchemaCtx schemaRoot)
throws NamingException {
NamingEnumeration<?> syntaxDescs;
Attributes syntaxDef;
LdapSchemaCtx syntaxDefTree;
// create the SyntaxDef subtree
Attributes attrs = new BasicAttributes(LdapClient.caseIgnore);
attrs.put(SYNTAX_DEF_ATTRS[0], SYNTAX_DEF_ATTRS[1]);
syntaxDefTree = schemaRoot.setup(LdapSchemaCtx.SYNTAX_ROOT,
SYNTAX_DEFINITION_NAME, attrs);
syntaxDescs = syntaxDescAttr.getAll();
String currentName;
while(syntaxDescs.hasMore()) {
String syntaxDesc = (String)syntaxDescs.next();
try {
Object[] def = desc2Def(syntaxDesc);
currentName = (String) def[0];
syntaxDef = (Attributes) def[1];
syntaxDefTree.setup(LdapSchemaCtx.SYNTAX,
currentName, syntaxDef);
} catch (NamingException ne) {
// error occurred while parsing, ignore current entry
}
}
return syntaxDefTree;
}
final private static DirContext matchRuleDescs2MatchRuleDefs(
Attribute matchRuleDescAttr,
LdapSchemaCtx schemaRoot)
throws NamingException {
NamingEnumeration<?> matchRuleDescs;
Attributes matchRuleDef;
LdapSchemaCtx matchRuleDefTree;
// create the MatchRuleDef subtree
Attributes attrs = new BasicAttributes(LdapClient.caseIgnore);
attrs.put(MATCHRULE_DEF_ATTRS[0], MATCHRULE_DEF_ATTRS[1]);
matchRuleDefTree = schemaRoot.setup(LdapSchemaCtx.MATCHRULE_ROOT,
MATCHRULE_DEFINITION_NAME, attrs);
matchRuleDescs = matchRuleDescAttr.getAll();
String currentName;
while(matchRuleDescs.hasMore()) {
String matchRuleDesc = (String)matchRuleDescs.next();
try {
Object[] def = desc2Def(matchRuleDesc);
currentName = (String) def[0];
matchRuleDef = (Attributes) def[1];
matchRuleDefTree.setup(LdapSchemaCtx.MATCHRULE,
currentName, matchRuleDef);
} catch (NamingException ne) {
// error occurred while parsing, ignore current entry
}
}
return matchRuleDefTree;
}
final private static Object[] desc2Def(String desc)
throws NamingException {
//System.err.println(desc);
Attributes attrs = new BasicAttributes(LdapClient.caseIgnore);
Attribute attr = null;
int[] pos = new int[]{1}; // tolerate missing leading space
boolean moreTags = true;
// Always begins with <whsp numericoid whsp>
attr = readNumericOID(desc, pos);
String currentName = (String) attr.get(0); // name is OID by default
attrs.put(attr);
skipWhitespace(desc, pos);
while (moreTags) {
attr = readNextTag(desc, pos);
attrs.put(attr);
if (attr.getID().equals(NAME_ID)) {
currentName = (String) attr.get(0); // use NAME attribute as name
}
skipWhitespace(desc, pos);
if( pos[0] >= desc.length() -1 ) {
moreTags = false;
}
}
return new Object[] {currentName, attrs};
}
// returns the index of the first whitespace char of a linear whitspace
// sequince ending at the given position.
final private static int findTrailingWhitespace(String string, int pos) {
for(int i = pos; i > 0; i--) {
if(string.charAt(i) != WHSP) {
return i + 1;
}
}
return 0;
}
final private static void skipWhitespace(String string, int[] pos) {
for(int i=pos[0]; i < string.length(); i++) {
if(string.charAt(i) != WHSP) {
pos[0] = i;
if (debug) {
System.err.println("skipWhitespace: skipping to "+i);
}
return;
}
}
}
final private static Attribute readNumericOID(String string, int[] pos)
throws NamingException {
if (debug) {
System.err.println("readNumericoid: pos="+pos[0]);
}
int begin, end;
String value = null;
skipWhitespace(string, pos);
begin = pos[0];
end = string.indexOf(WHSP, begin);
if (end == -1 || end - begin < 1) {
throw new InvalidAttributeValueException("no numericoid found: "
+ string);
}
value = string.substring(begin, end);
pos[0] += value.length();
return new BasicAttribute(NUMERICOID_ID, value);
}
final private static Attribute readNextTag(String string, int[] pos)
throws NamingException {
Attribute attr = null;
String tagName = null;
String[] values = null;
skipWhitespace(string, pos);
if (debug) {
System.err.println("readNextTag: pos="+pos[0]);
}
// get the name and values of the attribute to return
int trailingSpace = string.indexOf( WHSP, pos[0] );
// tolerate a schema that omits the trailing space
if (trailingSpace < 0) {
tagName = string.substring( pos[0], string.length() - 1);
} else {
tagName = string.substring( pos[0], trailingSpace );
}
values = readTag(tagName, string, pos);
// make sure at least one value was returned
if(values.length < 0) {
throw new InvalidAttributeValueException("no values for " +
"attribute \"" +
tagName + "\"");
}
// create the attribute, using the first value
attr = new BasicAttribute(tagName, values[0]);
// add other values if there are any
for(int i = 1; i < values.length; i++) {
attr.add(values[i]);
}
return attr;
}
final private static String[] readTag(String tag, String string, int[] pos)
throws NamingException {
if (debug) {
System.err.println("ReadTag: " + tag + " pos="+pos[0]);
}
// move parser past tag name
pos[0] += tag.length();
skipWhitespace(string, pos);
if (tag.equals(NAME_ID)) {
return readQDescrs(string, pos); // names[0] is NAME
}
if(tag.equals(DESC_ID)) {
return readQDString(string, pos);
}
if (
tag.equals(EQUALITY_ID) ||
tag.equals(ORDERING_ID) ||
tag.equals(SUBSTR_ID) ||
tag.equals(SYNTAX_ID)) {
return readWOID(string, pos);
}
if (tag.equals(OBSOLETE_ID) ||
tag.equals(ABSTRACT_ID) ||
tag.equals(STRUCTURAL_ID) ||
tag.equals(AUXILARY_ID) ||
tag.equals(SINGLE_VAL_ID) ||
tag.equals(COLLECTIVE_ID) ||
tag.equals(NO_USER_MOD_ID)) {
return new String[] {SCHEMA_TRUE_VALUE};
}
if (tag.equals(SUP_ID) || // oid list for object class; WOID for attribute
tag.equals(MUST_ID) ||
tag.equals(MAY_ID) ||
tag.equals(USAGE_ID)) {
return readOIDs(string, pos);
}
// otherwise it's a schema element with a quoted string value
return readQDStrings(string, pos);
}
final private static String[] readQDString(String string, int[] pos)
throws NamingException {
int begin, end;
begin = string.indexOf(SINGLE_QUOTE, pos[0]) + 1;
end = string.indexOf(SINGLE_QUOTE, begin);
if (debug) {
System.err.println("ReadQDString: pos=" + pos[0] +
" begin=" + begin + " end=" + end);
}
if(begin == -1 || end == -1 || begin == end) {
throw new InvalidAttributeIdentifierException("malformed " +
"QDString: " +
string);
}
// make sure the qdstring end symbol is there
if (string.charAt(begin - 1) != SINGLE_QUOTE) {
throw new InvalidAttributeIdentifierException("qdstring has " +
"no end mark: " +
string);
}
pos[0] = end+1;
return new String[] {string.substring(begin, end)};
}
/**
* dstring = 1*utf8
* qdstring = whsp "'" dstring "'" whsp
* qdstringlist = [ qdstring *( qdstring ) ]
* qdstrings = qdstring / ( whsp "(" qdstringlist ")" whsp )
*/
private final static String[] readQDStrings(String string, int[] pos)
throws NamingException {
return readQDescrs(string, pos);
}
/**
* ; object descriptors used as schema element names
* qdescrs = qdescr / ( whsp "(" qdescrlist ")" whsp )
* qdescrlist = [ qdescr *( qdescr ) ]
* qdescr = whsp "'" descr "'" whsp
* descr = keystring
*/
final private static String[] readQDescrs(String string, int[] pos)
throws NamingException {
if (debug) {
System.err.println("readQDescrs: pos="+pos[0]);
}
skipWhitespace(string, pos);
switch( string.charAt(pos[0]) ) {
case OID_LIST_BEGIN:
return readQDescrList(string, pos);
case SINGLE_QUOTE:
return readQDString(string, pos);
default:
throw new InvalidAttributeValueException("unexpected oids " +
"string: " + string);
}
}
/**
* qdescrlist = [ qdescr *( qdescr ) ]
* qdescr = whsp "'" descr "'" whsp
* descr = keystring
*/
final private static String[] readQDescrList(String string, int[] pos)
throws NamingException {
int begin, end;
Vector<String> values = new Vector<>(5);
if (debug) {
System.err.println("ReadQDescrList: pos="+pos[0]);
}
pos[0]++; // skip '('
skipWhitespace(string, pos);
begin = pos[0];
end = string.indexOf(OID_LIST_END, begin);
if(end == -1) {
throw new InvalidAttributeValueException ("oidlist has no end "+
"mark: " + string);
}
while(begin < end) {
String[] one = readQDString(string, pos);
if (debug) {
System.err.println("ReadQDescrList: found '" + one[0] +
"' at begin=" + begin + " end =" + end);
}
values.addElement(one[0]);
skipWhitespace(string, pos);
begin = pos[0];
}
pos[0] = end+1; // skip ')'
String[] answer = new String[values.size()];
for (int i = 0; i < answer.length; i++) {
answer[i] = values.elementAt(i);
}
return answer;
}
final private static String[] readWOID(String string, int[] pos)
throws NamingException {
if (debug) {
System.err.println("readWOIDs: pos="+pos[0]);
}
skipWhitespace(string, pos);
if (string.charAt(pos[0]) == SINGLE_QUOTE) {
// %%% workaround for Netscape schema bug
return readQDString(string, pos);
}
int begin, end;
begin = pos[0];
end = string.indexOf(WHSP, begin);
if (debug) {
System.err.println("ReadWOID: pos=" + pos[0] +
" begin=" + begin + " end=" + end);
}
if(end == -1 || begin == end) {
throw new InvalidAttributeIdentifierException("malformed " +
"OID: " +
string);
}
pos[0] = end+1;
return new String[] {string.substring(begin, end)};
}
/*
* oids = woid / ( "(" oidlist ")" )
* oidlist = woid *( "$" woid )
*/
final private static String[] readOIDs(String string, int[] pos)
throws NamingException {
if (debug) {
System.err.println("readOIDs: pos="+pos[0]);
}
skipWhitespace(string, pos);
// Single OID
if (string.charAt(pos[0]) != OID_LIST_BEGIN) {
return readWOID(string, pos);
}
// Multiple OIDs
int begin, cur, end;
String oidName = null;
Vector<String> values = new Vector<>(5);
if (debug) {
System.err.println("ReadOIDList: pos="+pos[0]);
}
pos[0]++;
skipWhitespace(string, pos);
begin = pos[0];
end = string.indexOf(OID_LIST_END, begin);
cur = string.indexOf(OID_SEPARATOR, begin);
if(end == -1) {
throw new InvalidAttributeValueException ("oidlist has no end "+
"mark: " + string);
}
if(cur == -1 || end < cur) {
cur = end;
}
while(cur < end && cur > 0) {
int wsBegin = findTrailingWhitespace(string, cur - 1);
oidName = string.substring(begin, wsBegin);
if (debug) {
System.err.println("ReadOIDList: found '" + oidName +
"' at begin=" + begin + " end =" + end);
}
values.addElement(oidName);
pos[0] = cur + 1;
skipWhitespace(string, pos);
begin = pos[0];
cur = string.indexOf(OID_SEPARATOR, begin);
if(debug) {System.err.println("ReadOIDList: begin = " + begin);}
}
if (debug) {
System.err.println("ReadOIDList: found '" + oidName +
"' at begin=" + begin + " end =" + end);
}
int wsBegin = findTrailingWhitespace(string, end - 1);
oidName = string.substring(begin, wsBegin);
values.addElement(oidName);
pos[0] = end+1;
String[] answer = new String[values.size()];
for (int i = 0; i < answer.length; i++) {
answer[i] = values.elementAt(i);
}
return answer;
}
// ----------------- "unparser" methods
// Methods that are used for translating a node in the schema tree
// into RFC2252 format for storage back into the LDAP directory
/*
static Attributes JNDI2LDAPSchema(DirContext schemaRoot)
throws NamingException {
Attribute objDescAttr = new BasicAttribute(OBJECTCLASSDESC_ATTR_ID);
Attribute attrDescAttr = new BasicAttribute(ATTRIBUTEDESC_ATTR_ID);
Attribute syntaxDescAttr = new BasicAttribute(SYNTAXDESC_ATTR_ID);
Attributes attrs = new BasicAttributes(LdapClient.caseIgnore);
DirContext classDefs, attributeDefs, syntaxDefs;
Attributes classDefsAttrs, attributeDefsAttrs, syntaxDefsAttrs;
NamingEnumeration defs;
Object obj;
int i = 0;
try {
obj = schemaRoot.lookup(OBJECTCLASS_DEFINITION_NAME);
if(obj != null && obj instanceof DirContext) {
classDefs = (DirContext)obj;
defs = classDefs.listBindings("");
while(defs.hasMoreElements()) {
i++;
DirContext classDef = (DirContext)
((Binding)(defs.next())).getObject();
classDefAttrs = classDef.getAttributes("");
objDescAttr.add(classDef2ObjectDesc(classDefAttrs));
}
if (debug)
System.err.println(i + " total object classes");
attrs.put(objDescAttr);
} else {
throw new NamingException(
"Problem with Schema tree: the object named " +
OBJECTCLASS_DEFINITION_NAME + " is not a " +
"DirContext");
}
} catch (NameNotFoundException e) {} // ignore
i=0;
try {
obj = schemaRoot.lookup(ATTRIBUTE_DEFINITION_NAME);
if(obj instanceof DirContext) {
attributeDefs = (DirContext)obj;
defs = attributeDefs.listBindings("");
while(defs.hasMoreElements()) {
i++;
DirContext attrDef = (DirContext)
((Binding)defs.next()).getObject();
attrDefAttrs = attrDef.getAttributes("");
attrDescAttr.add(attrDef2AttrDesc(attrDefAttrs));
}
if (debug)
System.err.println(i + " attribute definitions");
attrs.put(attrDescAttr);
} else {
throw new NamingException(
"Problem with schema tree: the object named " +
ATTRIBUTE_DEFINITION_NAME + " is not a " +
"DirContext");
}
} catch (NameNotFoundException e) {} // ignore
i=0;
try {
obj = schemaRoot.lookup(SYNTAX_DEFINITION_NAME);
if(obj instanceof DirContext) {
syntaxDefs = (DirContext)obj;
defs =syntaxDefs.listBindings("");
while(defs.hasMoreElements()) {
i++;
DirContext syntaxDef = (DirContext)
((Binding)defs.next()).getObject();
syntaxDefAttrs = syntaxDef.getAttributes("");
syntaxDescAttr.add(syntaxDef2SyntaxDesc(syntaxDefAttrs));
}
if (debug)
System.err.println(i + " total syntax definitions");
attrs.put(syntaxDescAttr);
} else {
throw new NamingException(
"Problem with schema tree: the object named " +
SYNTAX_DEFINITION_NAME + " is not a " +
"DirContext");
}
} catch (NameNotFoundException e) {} // ignore
return attrs;
}
*/
/**
* Translate attributes that describe an object class into the
* string description as defined in RFC 2252.
*/
final private String classDef2ObjectDesc(Attributes attrs)
throws NamingException {
StringBuffer objectDesc = new StringBuffer("( ");
Attribute attr = null;
int count = 0;
// extract attributes by ID to guarantee ordering
attr = attrs.get(NUMERICOID_ID);
if (attr != null) {
objectDesc.append(writeNumericOID(attr));
count++;
} else {
throw new ConfigurationException("Class definition doesn't" +
"have a numeric OID");
}
attr = attrs.get(NAME_ID);
if (attr != null) {
objectDesc.append(writeQDescrs(attr));
count++;
}
attr = attrs.get(DESC_ID);
if (attr != null) {
objectDesc.append(writeQDString(attr));
count++;
}
attr = attrs.get(OBSOLETE_ID);
if (attr != null) {
objectDesc.append(writeBoolean(attr));
count++;
}
attr = attrs.get(SUP_ID);
if (attr != null) {
objectDesc.append(writeOIDs(attr));
count++;
}
attr = attrs.get(ABSTRACT_ID);
if (attr != null) {
objectDesc.append(writeBoolean(attr));
count++;
}
attr = attrs.get(STRUCTURAL_ID);
if (attr != null) {
objectDesc.append(writeBoolean(attr));
count++;
}
attr = attrs.get(AUXILARY_ID);
if (attr != null) {
objectDesc.append(writeBoolean(attr));
count++;
}
attr = attrs.get(MUST_ID);
if (attr != null) {
objectDesc.append(writeOIDs(attr));
count++;
}
attr = attrs.get(MAY_ID);
if (attr != null) {
objectDesc.append(writeOIDs(attr));
count++;
}
// process any remaining attributes
if (count < attrs.size()) {
String attrId = null;
// use enumeration because attribute ID is not known
for (NamingEnumeration<? extends Attribute> ae = attrs.getAll();
ae.hasMoreElements(); ) {
attr = ae.next();
attrId = attr.getID();
// skip those already processed
if (attrId.equals(NUMERICOID_ID) ||
attrId.equals(NAME_ID) ||
attrId.equals(SUP_ID) ||
attrId.equals(MAY_ID) ||
attrId.equals(MUST_ID) ||
attrId.equals(STRUCTURAL_ID) ||
attrId.equals(DESC_ID) ||
attrId.equals(AUXILARY_ID) ||
attrId.equals(ABSTRACT_ID) ||
attrId.equals(OBSOLETE_ID)) {
continue;
} else {
objectDesc.append(writeQDStrings(attr));
}
}
}
objectDesc.append(")");
return objectDesc.toString();
}
/**
* Translate attributes that describe an attribute definition into the
* string description as defined in RFC 2252.
*/
final private String attrDef2AttrDesc(Attributes attrs)
throws NamingException {
StringBuffer attrDesc = new StringBuffer("( "); // opening parens
Attribute attr = null;
int count = 0;
// extract attributes by ID to guarantee ordering
attr = attrs.get(NUMERICOID_ID);
if (attr != null) {
attrDesc.append(writeNumericOID(attr));
count++;
} else {
throw new ConfigurationException("Attribute type doesn't" +
"have a numeric OID");
}
attr = attrs.get(NAME_ID);
if (attr != null) {
attrDesc.append(writeQDescrs(attr));
count++;
}
attr = attrs.get(DESC_ID);
if (attr != null) {
attrDesc.append(writeQDString(attr));
count++;
}
attr = attrs.get(OBSOLETE_ID);
if (attr != null) {
attrDesc.append(writeBoolean(attr));
count++;
}
attr = attrs.get(SUP_ID);
if (attr != null) {
attrDesc.append(writeWOID(attr));
count++;
}
attr = attrs.get(EQUALITY_ID);
if (attr != null) {
attrDesc.append(writeWOID(attr));
count++;
}
attr = attrs.get(ORDERING_ID);
if (attr != null) {
attrDesc.append(writeWOID(attr));
count++;
}
attr = attrs.get(SUBSTR_ID);
if (attr != null) {
attrDesc.append(writeWOID(attr));
count++;
}
attr = attrs.get(SYNTAX_ID);
if (attr != null) {
attrDesc.append(writeWOID(attr));
count++;
}
attr = attrs.get(SINGLE_VAL_ID);
if (attr != null) {
attrDesc.append(writeBoolean(attr));
count++;
}
attr = attrs.get(COLLECTIVE_ID);
if (attr != null) {
attrDesc.append(writeBoolean(attr));
count++;
}
attr = attrs.get(NO_USER_MOD_ID);
if (attr != null) {
attrDesc.append(writeBoolean(attr));
count++;
}
attr = attrs.get(USAGE_ID);
if (attr != null) {
attrDesc.append(writeQDString(attr));
count++;
}
// process any remaining attributes
if (count < attrs.size()) {
String attrId = null;
// use enumeration because attribute ID is not known
for (NamingEnumeration<? extends Attribute> ae = attrs.getAll();
ae.hasMoreElements(); ) {
attr = ae.next();
attrId = attr.getID();
// skip those already processed
if (attrId.equals(NUMERICOID_ID) ||
attrId.equals(NAME_ID) ||
attrId.equals(SYNTAX_ID) ||
attrId.equals(DESC_ID) ||
attrId.equals(SINGLE_VAL_ID) ||
attrId.equals(EQUALITY_ID) ||
attrId.equals(ORDERING_ID) ||
attrId.equals(SUBSTR_ID) ||
attrId.equals(NO_USER_MOD_ID) ||
attrId.equals(USAGE_ID) ||
attrId.equals(SUP_ID) ||
attrId.equals(COLLECTIVE_ID) ||
attrId.equals(OBSOLETE_ID)) {
continue;
} else {
attrDesc.append(writeQDStrings(attr));
}
}
}
attrDesc.append(")"); // add closing parens
return attrDesc.toString();
}
/**
* Translate attributes that describe an attribute syntax definition into the
* string description as defined in RFC 2252.
*/
final private String syntaxDef2SyntaxDesc(Attributes attrs)
throws NamingException {
StringBuffer syntaxDesc = new StringBuffer("( "); // opening parens
Attribute attr = null;
int count = 0;
// extract attributes by ID to guarantee ordering
attr = attrs.get(NUMERICOID_ID);
if (attr != null) {
syntaxDesc.append(writeNumericOID(attr));
count++;
} else {
throw new ConfigurationException("Attribute type doesn't" +
"have a numeric OID");
}
attr = attrs.get(DESC_ID);
if (attr != null) {
syntaxDesc.append(writeQDString(attr));
count++;
}
// process any remaining attributes
if (count < attrs.size()) {
String attrId = null;
// use enumeration because attribute ID is not known
for (NamingEnumeration<? extends Attribute> ae = attrs.getAll();
ae.hasMoreElements(); ) {
attr = ae.next();
attrId = attr.getID();
// skip those already processed
if (attrId.equals(NUMERICOID_ID) ||
attrId.equals(DESC_ID)) {
continue;
} else {
syntaxDesc.append(writeQDStrings(attr));
}
}
}
syntaxDesc.append(")");
return syntaxDesc.toString();
}
/**
* Translate attributes that describe an attribute matching rule
* definition into the string description as defined in RFC 2252.
*/
final private String matchRuleDef2MatchRuleDesc(Attributes attrs)
throws NamingException {
StringBuffer matchRuleDesc = new StringBuffer("( "); // opening parens
Attribute attr = null;
int count = 0;
// extract attributes by ID to guarantee ordering
attr = attrs.get(NUMERICOID_ID);
if (attr != null) {
matchRuleDesc.append(writeNumericOID(attr));
count++;
} else {
throw new ConfigurationException("Attribute type doesn't" +
"have a numeric OID");
}
attr = attrs.get(NAME_ID);
if (attr != null) {
matchRuleDesc.append(writeQDescrs(attr));
count++;
}
attr = attrs.get(DESC_ID);
if (attr != null) {
matchRuleDesc.append(writeQDString(attr));
count++;
}
attr = attrs.get(OBSOLETE_ID);
if (attr != null) {
matchRuleDesc.append(writeBoolean(attr));
count++;
}
attr = attrs.get(SYNTAX_ID);
if (attr != null) {
matchRuleDesc.append(writeWOID(attr));
count++;
} else {
throw new ConfigurationException("Attribute type doesn't" +
"have a syntax OID");
}
// process any remaining attributes
if (count < attrs.size()) {
String attrId = null;
// use enumeration because attribute ID is not known
for (NamingEnumeration<? extends Attribute> ae = attrs.getAll();
ae.hasMoreElements(); ) {
attr = ae.next();
attrId = attr.getID();
// skip those already processed
if (attrId.equals(NUMERICOID_ID) ||
attrId.equals(NAME_ID) ||
attrId.equals(SYNTAX_ID) ||
attrId.equals(DESC_ID) ||
attrId.equals(OBSOLETE_ID)) {
continue;
} else {
matchRuleDesc.append(writeQDStrings(attr));
}
}
}
matchRuleDesc.append(")");
return matchRuleDesc.toString();
}
final private String writeNumericOID(Attribute nOIDAttr)
throws NamingException {
if(nOIDAttr.size() != 1) {
throw new InvalidAttributeValueException(
"A class definition must have exactly one numeric OID");
}
return (String)(nOIDAttr.get()) + WHSP;
}
final private String writeWOID(Attribute attr) throws NamingException {
if (netscapeBug)
return writeQDString(attr);
else
return attr.getID() + WHSP + attr.get() + WHSP;
}
/* qdescr = whsp "'" descr "'" whsp */
final private String writeQDString(Attribute qdStringAttr)
throws NamingException {
if(qdStringAttr.size() != 1) {
throw new InvalidAttributeValueException(
qdStringAttr.getID() + " must have exactly one value");
}
return qdStringAttr.getID() + WHSP +
SINGLE_QUOTE + qdStringAttr.get() + SINGLE_QUOTE + WHSP;
}
/**
* dstring = 1*utf8
* qdstring = whsp "'" dstring "'" whsp
* qdstringlist = [ qdstring *( qdstring ) ]
* qdstrings = qdstring / ( whsp "(" qdstringlist ")" whsp )
*/
private final String writeQDStrings(Attribute attr) throws NamingException {
return writeQDescrs(attr);
}
/**
* qdescrs = qdescr / ( whsp "(" qdescrlist ")" whsp )
* qdescrlist = [ qdescr *( qdescr ) ]
* qdescr = whsp "'" descr "'" whsp
* descr = keystring
*/
private final String writeQDescrs(Attribute attr) throws NamingException {
switch(attr.size()) {
case 0:
throw new InvalidAttributeValueException(
attr.getID() + "has no values");
case 1:
return writeQDString(attr);
}
// write QDList
StringBuffer qdList = new StringBuffer(attr.getID());
qdList.append(WHSP);
qdList.append(OID_LIST_BEGIN);
NamingEnumeration<?> values = attr.getAll();
while(values.hasMore()) {
qdList.append(WHSP);
qdList.append(SINGLE_QUOTE);
qdList.append((String)values.next());
qdList.append(SINGLE_QUOTE);
qdList.append(WHSP);
}
qdList.append(OID_LIST_END);
qdList.append(WHSP);
return qdList.toString();
}
final private String writeOIDs(Attribute oidsAttr)
throws NamingException {
switch(oidsAttr.size()) {
case 0:
throw new InvalidAttributeValueException(
oidsAttr.getID() + "has no values");
case 1:
if (netscapeBug) {
break; // %%% write out as list to avoid crashing server
}
return writeWOID(oidsAttr);
}
// write OID List
StringBuffer oidList = new StringBuffer(oidsAttr.getID());
oidList.append(WHSP);
oidList.append(OID_LIST_BEGIN);
NamingEnumeration<?> values = oidsAttr.getAll();
oidList.append(WHSP);
oidList.append(values.next());
while(values.hasMore()) {
oidList.append(WHSP);
oidList.append(OID_SEPARATOR);
oidList.append(WHSP);
oidList.append((String)values.next());
}
oidList.append(WHSP);
oidList.append(OID_LIST_END);
oidList.append(WHSP);
return oidList.toString();
}
private final String writeBoolean(Attribute booleanAttr)
throws NamingException {
return booleanAttr.getID() + WHSP;
}
/**
* Returns an attribute for updating the Object Class Definition schema
* attribute
*/
final Attribute stringifyObjDesc(Attributes classDefAttrs)
throws NamingException {
Attribute objDescAttr = new BasicAttribute(OBJECTCLASSDESC_ATTR_ID);
objDescAttr.add(classDef2ObjectDesc(classDefAttrs));
return objDescAttr;
}
/**
* Returns an attribute for updating the Attribute Definition schema attribute
*/
final Attribute stringifyAttrDesc(Attributes attrDefAttrs)
throws NamingException {
Attribute attrDescAttr = new BasicAttribute(ATTRIBUTEDESC_ATTR_ID);
attrDescAttr.add(attrDef2AttrDesc(attrDefAttrs));
return attrDescAttr;
}
/**
* Returns an attribute for updating the Syntax schema attribute
*/
final Attribute stringifySyntaxDesc(Attributes syntaxDefAttrs)
throws NamingException {
Attribute syntaxDescAttr = new BasicAttribute(SYNTAXDESC_ATTR_ID);
syntaxDescAttr.add(syntaxDef2SyntaxDesc(syntaxDefAttrs));
return syntaxDescAttr;
}
/**
* Returns an attribute for updating the Matching Rule schema attribute
*/
final Attribute stringifyMatchRuleDesc(Attributes matchRuleDefAttrs)
throws NamingException {
Attribute matchRuleDescAttr = new BasicAttribute(MATCHRULEDESC_ATTR_ID);
matchRuleDescAttr.add(matchRuleDef2MatchRuleDesc(matchRuleDefAttrs));
return matchRuleDescAttr;
}
}
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