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- /*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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.
- */
-
- /* $Id$ */
-
- package embedding.tools;
-
- //Java
- import java.io.IOException;
- import java.util.Map;
-
- //SAX
- import org.xml.sax.SAXException;
- import org.xml.sax.InputSource;
- import org.xml.sax.XMLReader;
- import org.xml.sax.ContentHandler;
- import org.xml.sax.DTDHandler;
- import org.xml.sax.ErrorHandler;
- import org.xml.sax.EntityResolver;
-
- /**
- * This class can be used as base class for XMLReaders that generate SAX
- * events from Java objects.
- */
-
- public abstract class AbstractObjectReader implements XMLReader {
-
- private static final String NAMESPACES =
- "http://xml.org/sax/features/namespaces";
- private static final String NS_PREFIXES =
- "http://xml.org/sax/features/namespace-prefixes";
-
- private Map features = new java.util.HashMap();
- private ContentHandler orgHandler;
-
- /** Proxy for easy SAX event generation */
- protected EasyGenerationContentHandlerProxy handler;
- /** Error handler */
- protected ErrorHandler errorHandler;
-
-
- /**
- * Constructor for the AbstractObjectReader object
- */
- public AbstractObjectReader() {
- setFeature(NAMESPACES, false);
- setFeature(NS_PREFIXES, false);
- }
-
- /* ============ XMLReader interface ============ */
-
- /**
- * @see org.xml.sax.XMLReader#getContentHandler()
- */
- public ContentHandler getContentHandler() {
- return this.orgHandler;
- }
-
- /**
- * @see org.xml.sax.XMLReader#setContentHandler(ContentHandler)
- */
- public void setContentHandler(ContentHandler handler) {
- this.orgHandler = handler;
- this.handler = new EasyGenerationContentHandlerProxy(handler);
- }
-
- /**
- * @see org.xml.sax.XMLReader#getErrorHandler()
- */
- public ErrorHandler getErrorHandler() {
- return this.errorHandler;
- }
-
- /**
- * @see org.xml.sax.XMLReader#setErrorHandler(ErrorHandler)
- */
- public void setErrorHandler(ErrorHandler handler) {
- this.errorHandler = handler;
- }
-
- /**
- * @see org.xml.sax.XMLReader#getDTDHandler()
- */
- public DTDHandler getDTDHandler() {
- return null;
- }
-
- /**
- * @see org.xml.sax.XMLReader#setDTDHandler(DTDHandler)
- */
- public void setDTDHandler(DTDHandler handler) {
- }
-
- /**
- * @see org.xml.sax.XMLReader#getEntityResolver()
- */
- public EntityResolver getEntityResolver() {
- return null;
- }
-
- /**
- * @see org.xml.sax.XMLReader#setEntityResolver(EntityResolver)
- */
- public void setEntityResolver(EntityResolver resolver) {
- }
-
- /**
- * @see org.xml.sax.XMLReader#getProperty(String)
- */
- public Object getProperty(java.lang.String name) {
- return null;
- }
-
- /**
- * @see org.xml.sax.XMLReader#setProperty(String, Object)
- */
- public void setProperty(java.lang.String name, java.lang.Object value) {
- }
-
- /**
- * @see org.xml.sax.XMLReader#getFeature(String)
- */
- public boolean getFeature(java.lang.String name) {
- return (Boolean) features.get(name);
- }
-
- /**
- * Returns true if the NAMESPACES feature is enabled.
- * @return boolean true if enabled
- */
- protected boolean isNamespaces() {
- return getFeature(NAMESPACES);
- }
-
- /**
- * Returns true if the MS_PREFIXES feature is enabled.
- * @return boolean true if enabled
- */
- protected boolean isNamespacePrefixes() {
- return getFeature(NS_PREFIXES);
- }
-
- /**
- * @see org.xml.sax.XMLReader#setFeature(String, boolean)
- */
- public void setFeature(java.lang.String name, boolean value) {
- this.features.put(name, value);
- }
-
- /**
- * @see org.xml.sax.XMLReader#parse(String)
- */
- public void parse(String systemId) throws IOException, SAXException {
- throw new SAXException(
- this.getClass().getName()
- + " cannot be used with system identifiers (URIs)");
- }
-
- /**
- * @see org.xml.sax.XMLReader#parse(InputSource)
- */
- public abstract void parse(InputSource input)
- throws IOException, SAXException;
-
- }
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