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- /*
- * $Id: AbstractObjectReader.java,v 1.1.2.2 2003/02/25 16:06:34 jeremias Exp $
- * ============================================================================
- * The Apache Software License, Version 1.1
- * ============================================================================
- *
- * Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modifica-
- * tion, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * 3. The end-user documentation included with the redistribution, if any, must
- * include the following acknowledgment: "This product includes software
- * developed by the Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself, if
- * and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "FOP" and "Apache Software Foundation" must not be used to
- * endorse or promote products derived from this software without prior
- * written permission. For written permission, please contact
- * apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache", nor may
- * "Apache" appear in their name, without prior written permission of the
- * Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
- * DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- * ============================================================================
- *
- * This software consists of voluntary contributions made by many individuals
- * on behalf of the Apache Software Foundation and was originally created by
- * James Tauber <jtauber@jtauber.com>. For more information on the Apache
- * Software Foundation, please see <http://www.apache.org/>.
- */
- 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)).booleanValue();
- }
-
- /**
- * 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, new Boolean(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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