Xerces2 Implementation: Class DOMParser

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## org.apache.xerces.parsers
Class DOMParser

    java.lang.Object
      |
      +--org.apache.xerces.parsers.XMLParser
            |
            +--org.apache.xerces.parsers.AbstractXMLDocumentParser
                  |
                  +--org.apache.xerces.parsers.AbstractDOMParser
                        |
                        +--org.apache.xerces.parsers.DOMParser

All Implemented Interfaces:
  org.apache.xerces.xni.XMLDocumentHandler, org.apache.xerces.xni.XMLDTDContentModelHandler, org.apache.xerces.xni.XMLDTDHandler

public class DOMParser
extends AbstractDOMParser

This is the main Xerces DOM parser class. It uses the abstract DOM parser with a document scanner, a dtd scanner, and a validator, as well as a grammar pool.

Version:
  $Id: DOMParser.java 542046 2007-05-27 22:48:02Z mrglavas $
Author:
  Arnaud Le Hors, IBM, Andy Clark, IBM

Field Summary
`protected boolean` | `fUseEntityResolver2` Use EntityResolver2.
`protected static java.lang.String` | `SYMBOL_TABLE` Property identifier: symbol table.
`protected static java.lang.String` | `USE_ENTITY_RESOLVER2` Feature identifier: EntityResolver2.
`protected static java.lang.String` | `XMLGRAMMAR_POOL` Property identifier: XML grammar pool.

Fields inherited from class org.apache.xerces.parsers.AbstractDOMParser
`ABORT, CORE_DOCUMENT_CLASS_NAME, CREATE_CDATA_NODES_FEATURE, CREATE_ENTITY_REF_NODES, CURRENT_ELEMENT_NODE, DEFAULT_DOCUMENT_CLASS_NAME, DEFER_NODE_EXPANSION, DOCUMENT_CLASS_NAME, fBaseURIStack, fCreateCDATANodes, fCreateEntityRefNodes, fCurrentCDATASection, fCurrentCDATASectionIndex, fCurrentEntityDecl, fCurrentNode, fCurrentNodeIndex, fDeferNodeExpansion, fDeferredDocumentImpl, fDeferredEntityDecl, fDocument, fDocumentClassName, fDocumentImpl, fDocumentIndex, fDocumentType, fDocumentTypeIndex, fDOMFilter, fErrorHandler, fFilterReject, fFirstChunk, fInCDATASection, fIncludeComments, fIncludeIgnorableWhitespace, fInDTD, fInDTDExternalSubset, fInEntityRef, fInternalSubset, fNamespaceAware, fRejectedElement, fRoot, fSkippedElemStack, fStorePSVI, fStringBuffer, INCLUDE_COMMENTS_FEATURE, INCLUDE_IGNORABLE_WHITESPACE, NAMESPACES, PSVI_DOCUMENT_CLASS_NAME`

Fields inherited from class org.apache.xerces.parsers.AbstractXMLDocumentParser
`fDocumentSource, fDTDContentModelSource, fDTDSource`

Fields inherited from class org.apache.xerces.parsers.XMLParser
`ENTITY_RESOLVER, ERROR_HANDLER, fConfiguration`

Fields inherited from interface org.apache.xerces.xni.XMLDTDHandler
`CONDITIONAL_IGNORE, CONDITIONAL_INCLUDE`

Fields inherited from interface org.apache.xerces.xni.XMLDTDContentModelHandler
`OCCURS_ONE_OR_MORE, OCCURS_ZERO_OR_MORE, OCCURS_ZERO_OR_ONE, SEPARATOR_CHOICE, SEPARATOR_SEQUENCE`

Constructor Summary
`DOMParser()` Constructs a DOM parser using the dtd/xml schema parser configuration.
`DOMParser(SymbolTable symbolTable)` Constructs a DOM parser using the specified symbol table.
`DOMParser(SymbolTable symbolTable, org.apache.xerces.xni.grammars.XMLGrammarPool grammarPool)` Constructs a DOM parser using the specified symbol table and grammar pool.
`DOMParser(org.apache.xerces.xni.parser.XMLParserConfiguration config)` Constructs a DOM parser using the specified parser configuration.

Method Summary
`org.xml.sax.EntityResolver` | `getEntityResolver()` Return the current entity resolver.
`org.xml.sax.ErrorHandler` | `getErrorHandler()` Return the current error handler.
`boolean` | `getFeature(java.lang.String featureId)` Query the state of a feature.
`java.lang.Object` | `getProperty(java.lang.String propertyId)` Query the value of a property.
`org.apache.xerces.xni.parser.XMLParserConfiguration` | `getXMLParserConfiguration()` Returns this parser's XMLParserConfiguration.
`void` | `parse(org.xml.sax.InputSource inputSource)` parse
`void` | `parse(java.lang.String systemId)` Parses the input source specified by the given system identifier.
`void` | `setEntityResolver(org.xml.sax.EntityResolver resolver)` Sets the resolver used to resolve external entities.
`void` | `setErrorHandler(org.xml.sax.ErrorHandler errorHandler)` Allow an application to register an error event handler.
`void` | `setFeature(java.lang.String featureId, boolean state)` Set the state of any feature in a SAX2 parser.
`void` | `setProperty(java.lang.String propertyId, java.lang.Object value)` Set the value of any property in a SAX2 parser.

Methods inherited from class org.apache.xerces.parsers.AbstractDOMParser
`abort, attributeDecl, characters, comment, createAttrNode, createElementNode, doctypeDecl, dropDocumentReferences, elementDecl, emptyElement, endAttlist, endCDATA, endConditional, endDocument, endDTD, endElement, endExternalSubset, endGeneralEntity, endParameterEntity, externalEntityDecl, getDocument, getDocumentClassName, handleBaseURI, handleBaseURI, ignorableWhitespace, ignoredCharacters, internalEntityDecl, notationDecl, processingInstruction, reset, setCharacterData, setDocumentClassName, setLocale, startAttlist, startCDATA, startConditional, startDocument, startDTD, startElement, startExternalSubset, startGeneralEntity, startParameterEntity, textDecl, unparsedEntityDecl, xmlDecl`

Methods inherited from class org.apache.xerces.parsers.AbstractXMLDocumentParser
`any, element, empty, endContentModel, endGroup, getDocumentSource, getDTDContentModelSource, getDTDSource, occurrence, pcdata, separator, setDocumentSource, setDTDContentModelSource, setDTDSource, startContentModel, startGroup`

Methods inherited from class org.apache.xerces.parsers.XMLParser
`parse`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### USE_ENTITY_RESOLVER2

    protected static final java.lang.String USE_ENTITY_RESOLVER2

  Feature identifier: EntityResolver2.

### SYMBOL_TABLE

    protected static final java.lang.String SYMBOL_TABLE

  Property identifier: symbol table.

### XMLGRAMMAR_POOL

    protected static final java.lang.String XMLGRAMMAR_POOL

  Property identifier: XML grammar pool.

### fUseEntityResolver2

    protected boolean fUseEntityResolver2

  Use EntityResolver2.

Constructor Detail

### DOMParser

    public DOMParser(org.apache.xerces.xni.parser.XMLParserConfiguration config)

  Constructs a DOM parser using the specified parser configuration.

### DOMParser

    public DOMParser()

  Constructs a DOM parser using the dtd/xml schema parser configuration.

### DOMParser

    public DOMParser(SymbolTable symbolTable)

  Constructs a DOM parser using the specified symbol table.

### DOMParser

    public DOMParser(SymbolTable symbolTable,
                     org.apache.xerces.xni.grammars.XMLGrammarPool grammarPool)

  Constructs a DOM parser using the specified symbol table and grammar pool.

Method Detail

### parse

    public void parse(java.lang.String systemId)
               throws org.xml.sax.SAXException,
                      java.io.IOException

  Parses the input source specified by the given system identifier.

  This method is equivalent to the following:

           parse(new InputSource(systemId));

  Parameters:
    `systemId` - The system identifier (URI).
  Throws:
    `org.xml.sax.SAXException` - Throws exception on SAX error.
    `java.io.IOException` - Throws exception on i/o error.

### parse

    public void parse(org.xml.sax.InputSource inputSource)
               throws org.xml.sax.SAXException,
                      java.io.IOException

  parse
  Parameters:
    `inputSource` -
  Throws:
    `org.xml.sax.SAXException` -
    `java.io.IOException` -

### setEntityResolver

    public void setEntityResolver(org.xml.sax.EntityResolver resolver)

  Sets the resolver used to resolve external entities. The EntityResolver interface supports resolution of public and system identifiers.
  Parameters:
    `resolver` - The new entity resolver. Passing a null value will uninstall the currently installed resolver.

### getEntityResolver

    public org.xml.sax.EntityResolver getEntityResolver()

  Return the current entity resolver.
  Returns:
    The current entity resolver, or null if none has been registered.
  See Also:
    `setEntityResolver(org.xml.sax.EntityResolver)`

### setErrorHandler

    public void setErrorHandler(org.xml.sax.ErrorHandler errorHandler)

  Allow an application to register an error event handler.

  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.

  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.

  Parameters:
    `errorHandler` - The error handler.
  Throws:
    `java.lang.NullPointerException` - If the handler argument is null.
  See Also:
    `getErrorHandler()`

### getErrorHandler

    public org.xml.sax.ErrorHandler getErrorHandler()

  Return the current error handler.
  Returns:
    The current error handler, or null if none has been registered.
  See Also:
    `setErrorHandler(org.xml.sax.ErrorHandler)`

### setFeature

    public void setFeature(java.lang.String featureId,
                           boolean state)
                    throws org.xml.sax.SAXNotRecognizedException,
                           org.xml.sax.SAXNotSupportedException

  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.
  Parameters:
    `featureId` - The unique identifier (URI) of the feature.
    `state` - The requested state of the feature (true or false).
  Throws:
    `org.xml.sax.SAXNotRecognizedException` - If the requested feature is not known.
    `org.xml.sax.SAXNotSupportedException` - If the requested feature is known, but the requested state is not supported.

### getFeature

    public boolean getFeature(java.lang.String featureId)
                       throws org.xml.sax.SAXNotRecognizedException,
                              org.xml.sax.SAXNotSupportedException

  Query the state of a feature. Query the current state of any feature in a SAX2 parser. The parser might not recognize the feature.
  Parameters:
    `featureId` - The unique identifier (URI) of the feature being set.
  Returns:
    The current state of the feature.
  Throws:
    `org.xml.sax.SAXNotRecognizedException` - If the requested feature is not known.
    `org.xml.sax.SAXNotSupportedException` - If the requested feature is known but not supported.

### setProperty

    public void setProperty(java.lang.String propertyId,
                            java.lang.Object value)
                     throws org.xml.sax.SAXNotRecognizedException,
                            org.xml.sax.SAXNotSupportedException

  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.
  Parameters:
    `propertyId` - The unique identifier (URI) of the property being set.
    `value` - The value to which the property is being set.
  Throws:
    `org.xml.sax.SAXNotRecognizedException` - If the requested property is not known.
    `org.xml.sax.SAXNotSupportedException` - If the requested property is known, but the requested value is not supported.

### getProperty

    public java.lang.Object getProperty(java.lang.String propertyId)
                                 throws org.xml.sax.SAXNotRecognizedException,
                                        org.xml.sax.SAXNotSupportedException

  Query the value of a property. Return the current value of a property in a SAX2 parser. The parser might not recognize the property.
  Parameters:
    `propertyId` - The unique identifier (URI) of the property being set.
  Returns:
    The current value of the property.
  Throws:
    `org.xml.sax.SAXNotRecognizedException` - If the requested property is not known.
    `org.xml.sax.SAXNotSupportedException` - If the requested property is known but not supported.

### getXMLParserConfiguration

    public org.apache.xerces.xni.parser.XMLParserConfiguration getXMLParserConfiguration()

  Returns this parser's XMLParserConfiguration.

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