/*
* Copyright 2002-2009 the original author or authors.
*
* 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
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.util.xml;
import org.xml.sax.ContentHandler;
import org.xml.sax.DTDHandler;
import org.xml.sax.EntityResolver;
import org.xml.sax.ErrorHandler;
import org.xml.sax.SAXNotRecognizedException;
import org.xml.sax.SAXNotSupportedException;
import org.xml.sax.XMLReader;
import org.xml.sax.ext.LexicalHandler;
/**
* Abstract base class for SAX <code>XMLReader</code> implementations. Contains properties as defined in {@link
* XMLReader}, and does not recognize any features.
*
* @author Arjen Poutsma
* @see #setContentHandler(org.xml.sax.ContentHandler)
* @see #setDTDHandler(org.xml.sax.DTDHandler)
* @see #setEntityResolver(org.xml.sax.EntityResolver)
* @see #setErrorHandler(org.xml.sax.ErrorHandler)
* @since 3.0
*/
abstract class AbstractXMLReader implements XMLReader {
private DTDHandler dtdHandler;
private ContentHandler contentHandler;
private EntityResolver entityResolver;
private ErrorHandler errorHandler;
private LexicalHandler lexicalHandler;
public ContentHandler getContentHandler() {
return contentHandler;
}
public void setContentHandler(ContentHandler contentHandler) {
this.contentHandler = contentHandler;
}
public void setDTDHandler(DTDHandler dtdHandler) {
this.dtdHandler = dtdHandler;
}
public DTDHandler getDTDHandler() {
return dtdHandler;
}
public EntityResolver getEntityResolver() {
return entityResolver;
}
public void setEntityResolver(EntityResolver entityResolver) {
this.entityResolver = entityResolver;
}
public ErrorHandler getErrorHandler() {
return errorHandler;
}
public void setErrorHandler(ErrorHandler errorHandler) {
this.errorHandler = errorHandler;
}
protected LexicalHandler getLexicalHandler() {
return lexicalHandler;
}
/**
* Throws a <code>SAXNotRecognizedException</code> exception.
*
* @throws org.xml.sax.SAXNotRecognizedException
* always
*/
public boolean getFeature(String name) throws SAXNotRecognizedException, SAXNotSupportedException {
throw new SAXNotRecognizedException(name);
}
/**
* Throws a <code>SAXNotRecognizedException</code> exception.
*
* @throws SAXNotRecognizedException always
*/
public void setFeature(String name, boolean value) throws SAXNotRecognizedException, SAXNotSupportedException {
throw new SAXNotRecognizedException(name);
}
/**
* Throws a <code>SAXNotRecognizedException</code> exception when the given property does not signify a lexical
* handler. The property name for a lexical handler is <code>http://xml.org/sax/properties/lexical-handler</code>.
*/
public Object getProperty(String name) throws SAXNotRecognizedException, SAXNotSupportedException {
if ("http://xml.org/sax/properties/lexical-handler".equals(name)) {
return lexicalHandler;
}
else {
throw new SAXNotRecognizedException(name);
}
}
/**
* Throws a <code>SAXNotRecognizedException</code> exception when the given property does not signify a lexical
* handler. The property name for a lexical handler is <code>http://xml.org/sax/properties/lexical-handler</code>.
*/
public void setProperty(String name, Object value) throws SAXNotRecognizedException, SAXNotSupportedException {
if ("http://xml.org/sax/properties/lexical-handler".equals(name)) {
lexicalHandler = (LexicalHandler) value;
}
else {
throw new SAXNotRecognizedException(name);
}
}
}
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