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- /*--
-
- $Id: JAXPDOMAdapter.java,v 1.13 2007/11/10 05:28:59 jhunter Exp $
-
- Copyright (C) 2000-2007 Jason Hunter & Brett McLaughlin.
- All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, 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 disclaimer that follows
- these conditions in the documentation and/or other materials
- provided with the distribution.
-
- 3. The name "JDOM" must not be used to endorse or promote products
- derived from this software without prior written permission. For
- written permission, please contact <request_AT_jdom_DOT_org>.
-
- 4. Products derived from this software may not be called "JDOM", nor
- may "JDOM" appear in their name, without prior written permission
- from the JDOM Project Management <request_AT_jdom_DOT_org>.
-
- In addition, we request (but do not require) that you include in the
- end-user documentation provided with the redistribution and/or in the
- software itself an acknowledgement equivalent to the following:
- "This product includes software developed by the
- JDOM Project (http://www.jdom.org/)."
- Alternatively, the acknowledgment may be graphical using the logos
- available at http://www.jdom.org/images/logos.
-
- 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 JDOM AUTHORS OR THE PROJECT
- CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 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 JDOM Project and was originally
- created by Jason Hunter <jhunter_AT_jdom_DOT_org> and
- Brett McLaughlin <brett_AT_jdom_DOT_org>. For more information
- on the JDOM Project, please see <http://www.jdom.org/>.
-
- */
-
- package org.jdom.adapters;
-
- import java.io.*;
- import java.lang.reflect.*;
-
- import org.jdom.*;
- import org.jdom.input.*;
- import org.w3c.dom.Document;
-
- /**
- * An adapter for any parser supporting the Sun JAXP APIs.
- *
- * @version $Revision: 1.13 $, $Date: 2007/11/10 05:28:59 $
- * @author Jason Hunter
- */
- public class JAXPDOMAdapter extends AbstractDOMAdapter {
-
- private static final String CVS_ID =
- "@(#) $RCSfile: JAXPDOMAdapter.java,v $ $Revision: 1.13 $ $Date: 2007/11/10 05:28:59 $ $Name: jdom_1_1 $";
-
- /**
- * This creates a new <code>{@link Document}</code> from an
- * existing <code>InputStream</code> by letting a JAXP
- * parser handle parsing using the supplied stream.
- *
- * @param in <code>InputStream</code> to parse.
- * @param validate <code>boolean</code> to indicate if validation
- * should occur.
- * @return <code>Document</code> - instance ready for use.
- * @throws IOException when I/O error occurs.
- * @throws JDOMException when errors occur in parsing.
- */
- public Document getDocument(InputStream in, boolean validate)
- throws IOException, JDOMException {
-
- try {
- // Try using JAXP...
- // Note we need DOM Level 2 and thus JAXP 1.1.
- Class.forName("javax.xml.transform.Transformer");
-
- // Try JAXP 1.1 calls to build the document
- Class factoryClass =
- Class.forName("javax.xml.parsers.DocumentBuilderFactory");
-
- // factory = DocumentBuilderFactory.newInstance();
- Method newParserInstance =
- factoryClass.getMethod("newInstance", null);
- Object factory = newParserInstance.invoke(null, null);
-
- // factory.setValidating(validate);
- Method setValidating =
- factoryClass.getMethod("setValidating",
- new Class[]{boolean.class});
- setValidating.invoke(factory,
- new Object[]{new Boolean(validate)});
-
- // factory.setNamespaceAware(true);
- Method setNamespaceAware =
- factoryClass.getMethod("setNamespaceAware",
- new Class[]{boolean.class});
- setNamespaceAware.invoke(factory,
- new Object[]{Boolean.TRUE});
-
- // jaxpParser = factory.newDocumentBuilder();
- Method newDocBuilder =
- factoryClass.getMethod("newDocumentBuilder", null);
- Object jaxpParser = newDocBuilder.invoke(factory, null);
-
- // jaxpParser.setErrorHandler(null);
- Class parserClass = jaxpParser.getClass();
- Method setErrorHandler =
- parserClass.getMethod("setErrorHandler",
- new Class[]{org.xml.sax.ErrorHandler.class});
- setErrorHandler.invoke(jaxpParser,
- new Object[]{new BuilderErrorHandler()});
-
- // domDoc = jaxpParser.parse(in);
- Method parse = parserClass.getMethod(
- "parse", new Class[]{InputStream.class});
- org.w3c.dom.Document domDoc = (org.w3c.dom.Document)
- parse.invoke(jaxpParser, new Object[]{in});
-
- return domDoc;
- } catch (InvocationTargetException e) {
- Throwable targetException = e.getTargetException();
- if (targetException instanceof IOException) {
- throw (IOException) targetException;
- } else {
- throw new JDOMException(targetException.getMessage(), targetException);
- }
- } catch (Exception e) {
- throw new JDOMException("Reflection failed while parsing a document with JAXP", e);
- }
-
- // Allow all exceptions to pass through
- }
-
- /**
- * This creates an empty <code>Document</code> object based
- * on a specific parser implementation.
- *
- * @return <code>Document</code> - created DOM Document.
- * @throws JDOMException when errors occur in parsing.
- */
- public Document createDocument()
- throws JDOMException {
-
- try {
- // We need DOM Level 2 and thus JAXP 1.1.
- // If JAXP 1.0 is all that's available then we error out.
- Class.forName("javax.xml.transform.Transformer");
-
- // Try JAXP 1.1 calls to build the document
- Class factoryClass =
- Class.forName("javax.xml.parsers.DocumentBuilderFactory");
-
- // factory = DocumentBuilderFactory.newInstance();
- Method newParserInstance =
- factoryClass.getMethod("newInstance", null);
- Object factory = newParserInstance.invoke(null, null);
-
- // jaxpParser = factory.newDocumentBuilder();
- Method newDocBuilder =
- factoryClass.getMethod("newDocumentBuilder", null);
- Object jaxpParser = newDocBuilder.invoke(factory, null);
-
- // domDoc = jaxpParser.newDocument();
- Class parserClass = jaxpParser.getClass();
- Method newDoc = parserClass.getMethod("newDocument", null);
- org.w3c.dom.Document domDoc =
- (org.w3c.dom.Document) newDoc.invoke(jaxpParser, null);
-
- return domDoc;
- } catch (Exception e) {
- throw new JDOMException("Reflection failed while creating new JAXP document", e);
- }
-
- }
- }
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