| /* |
| * reserved comment block |
| * DO NOT REMOVE OR ALTER! |
| */ |
| // SAXParserHandler.java - An entity-resolving DefaultHandler |
| |
| /* |
| * Copyright 2001-2004 The Apache Software Foundation or its licensors, |
| * as applicable. |
| * |
| * 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 com.sun.org.apache.xml.internal.resolver.readers; |
| |
| import java.io.IOException; |
| |
| import org.xml.sax.*; |
| import org.xml.sax.helpers.*; |
| |
| /** |
| * An entity-resolving DefaultHandler. |
| * |
| * <p>This class provides a SAXParser DefaultHandler that performs |
| * entity resolution. |
| * </p> |
| * |
| * @author Norman Walsh |
| * <a href="mailto:Norman.Walsh@Sun.COM">Norman.Walsh@Sun.COM</a> |
| */ |
| public class SAXParserHandler extends DefaultHandler { |
| private EntityResolver er = null; |
| private ContentHandler ch = null; |
| |
| public SAXParserHandler() { |
| super(); |
| } |
| |
| public void setEntityResolver(EntityResolver er) { |
| this.er = er; |
| } |
| |
| public void setContentHandler(ContentHandler ch) { |
| this.ch = ch; |
| } |
| |
| // Entity Resolver |
| public InputSource resolveEntity(String publicId, String systemId) |
| throws SAXException { |
| |
| if (er != null) { |
| try { |
| return er.resolveEntity(publicId, systemId); |
| } catch (IOException e) { |
| System.out.println("resolveEntity threw IOException!"); |
| return null; |
| } |
| } else { |
| return null; |
| } |
| } |
| |
| // Content Handler |
| public void characters(char[] ch, int start, int length) |
| throws SAXException { |
| if (this.ch != null) { |
| this.ch.characters(ch, start, length); |
| } |
| } |
| |
| public void endDocument() |
| throws SAXException { |
| if (ch != null) { |
| ch.endDocument(); |
| } |
| } |
| |
| public void endElement(String namespaceURI, String localName, String qName) |
| throws SAXException { |
| if (ch != null) { |
| ch.endElement(namespaceURI, localName, qName); |
| } |
| } |
| |
| public void endPrefixMapping(String prefix) |
| throws SAXException { |
| if (ch != null) { |
| ch.endPrefixMapping(prefix); |
| } |
| } |
| |
| public void ignorableWhitespace(char[] ch, int start, int length) |
| throws SAXException { |
| if (this.ch != null) { |
| this.ch.ignorableWhitespace(ch, start, length); |
| } |
| } |
| |
| public void processingInstruction(String target, String data) |
| throws SAXException { |
| if (ch != null) { |
| ch.processingInstruction(target, data); |
| } |
| } |
| |
| public void setDocumentLocator(Locator locator) { |
| if (ch != null) { |
| ch.setDocumentLocator(locator); |
| } |
| } |
| |
| public void skippedEntity(String name) |
| throws SAXException { |
| if (ch != null) { |
| ch.skippedEntity(name); |
| } |
| } |
| |
| public void startDocument() |
| throws SAXException { |
| if (ch != null) { |
| ch.startDocument(); |
| } |
| } |
| |
| public void startElement(String namespaceURI, String localName, |
| String qName, Attributes atts) |
| throws SAXException { |
| if (ch != null) { |
| ch.startElement(namespaceURI, localName, qName, atts); |
| } |
| } |
| |
| public void startPrefixMapping(String prefix, String uri) |
| throws SAXException { |
| if (ch != null) { |
| ch.startPrefixMapping(prefix, uri); |
| } |
| } |
| } |