diff NGSrich_0.5.5/src/org/jdom/adapters/XML4JDOMAdapter.java @ 0:89ad0a9cca52 default tip

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author pfrommolt
date Mon, 21 Nov 2011 08:12:19 -0500
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/NGSrich_0.5.5/src/org/jdom/adapters/XML4JDOMAdapter.java	Mon Nov 21 08:12:19 2011 -0500
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+/*-- 
+
+ $Id: XML4JDOMAdapter.java,v 1.18 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;
+import org.xml.sax.*;
+
+/**
+ * An adapter for the IBM XML4J DOM parser.
+ * 
+ * @version $Revision: 1.18 $, $Date: 2007/11/10 05:28:59 $
+ * @author  Brett McLaughlin
+ * @author  Jason Hunter
+ */
+public class XML4JDOMAdapter extends AbstractDOMAdapter {
+
+    private static final String CVS_ID = 
+      "@(#) $RCSfile: XML4JDOMAdapter.java,v $ $Revision: 1.18 $ $Date: 2007/11/10 05:28:59 $ $Name: jdom_1_1_1 $";
+
+    /**
+     * This creates a new <code>{@link Document}</code> from an
+     * existing <code>InputStream</code> by letting a DOM
+     * 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 {
+            /*
+             * IBM XML4J actually uses the Xerces parser, so this is
+             *   all Xerces specific code.
+             */
+
+            // Load the parser class
+            Class parserClass = Class.forName("org.apache.xerces.parsers.DOMParser");
+            Object parser = parserClass.newInstance();
+
+            // Set validation
+            Method setFeature =
+                parserClass.getMethod("setFeature",
+                                      new Class[] {java.lang.String.class,
+                                                   boolean.class});
+            setFeature.invoke(parser, new Object[] {"http://xml.org/sax/features/validation",
+                                                    new Boolean(validate)});
+
+            // Set namespaces
+            setFeature.invoke(parser, new Object[] {"http://xml.org/sax/features/namespaces",
+                                                    new Boolean(false)});
+
+            // Set the error handler
+            if (validate) {
+                Method setErrorHandler =
+                    parserClass.getMethod("setErrorHandler",
+                        new Class[] {ErrorHandler.class});
+                setErrorHandler.invoke(parser, new Object[] {new BuilderErrorHandler()});
+            }
+
+            // Parse the document
+            Method parse =
+                parserClass.getMethod("parse",
+                                      new Class[] {org.xml.sax.InputSource.class});
+            parse.invoke(parser, new Object[]{new InputSource(in)});
+
+            // Get the Document object
+            Method getDocument = parserClass.getMethod("getDocument", null);
+            Document doc = (Document)getDocument.invoke(parser, null);
+
+            return doc;
+        } catch (InvocationTargetException e) {
+            Throwable targetException = e.getTargetException();
+            if (targetException instanceof org.xml.sax.SAXParseException) {
+                SAXParseException parseException = (SAXParseException)targetException;
+                throw new JDOMException("Error on line " + parseException.getLineNumber() +
+                                      " of XML document: " + parseException.getMessage(), parseException);
+            } else if (targetException instanceof IOException) {
+                IOException ioException = (IOException) targetException;
+                throw ioException;
+            } else {
+                throw new JDOMException(targetException.getMessage(), targetException);
+            }
+        } catch (Exception e) {
+            throw new JDOMException(e.getClass().getName() + ": " +
+                                  e.getMessage(), e);
+        }
+    }
+
+    /**
+     * 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.
+     */
+    public Document createDocument() throws JDOMException {
+        try {
+            return
+                (Document)Class.forName(
+                    "org.apache.xerces.dom.DocumentImpl")
+                    .newInstance();
+
+        } catch (Exception e) {
+            throw new JDOMException(e.getClass().getName() + ": " +
+                                  e.getMessage() + " while creating document", e);
+        }
+    }
+}