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

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author pfrommolt
date Mon, 21 Nov 2011 08:12:19 -0500
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+++ b/NGSrich_0.5.5/src/org/jdom/adapters/AbstractDOMAdapter.java	Mon Nov 21 08:12:19 2011 -0500
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+/*-- 
+
+ $Id: AbstractDOMAdapter.java,v 1.21 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.w3c.dom.*;
+import org.w3c.dom.Document;
+
+/**
+ * A DOMAdapter utility abstract base class.
+ * 
+ * @version $Revision: 1.21 $, $Date: 2007/11/10 05:28:59 $
+ * @author  Brett McLaughlin
+ * @author  Jason Hunter
+ */
+public abstract class AbstractDOMAdapter implements DOMAdapter {
+
+    private static final String CVS_ID = 
+      "@(#) $RCSfile: AbstractDOMAdapter.java,v $ $Revision: 1.21 $ $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 filename file 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(File filename, boolean validate)
+        throws IOException, JDOMException {
+
+        return getDocument(new FileInputStream(filename), validate);
+    }
+
+    /**
+     * 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 abstract Document getDocument(InputStream in, boolean validate)
+        throws IOException, JDOMException;
+
+    /**
+     * 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 abstract Document createDocument() throws JDOMException;
+
+    /**
+     * This creates an empty <code>Document</code> object based
+     * on a specific parser implementation with the given DOCTYPE.
+     * If the doctype parameter is null, the behavior is the same as
+     * calling <code>createDocument()</code>.
+     *
+     * @param doctype Initial <code>DocType</code> of the document.
+     * @return <code>Document</code> - created DOM Document.
+     * @throws JDOMException when errors occur.
+     */
+    public Document createDocument(DocType doctype) throws JDOMException {
+        if (doctype == null) {
+            return createDocument();
+        }
+  
+        DOMImplementation domImpl = createDocument().getImplementation();
+        DocumentType domDocType = domImpl.createDocumentType(
+                                      doctype.getElementName(),
+                                      doctype.getPublicID(),
+                                      doctype.getSystemID());
+
+        // Set the internal subset if possible
+        setInternalSubset(domDocType, doctype.getInternalSubset());
+
+        return domImpl.createDocument("http://temporary",
+                                      doctype.getElementName(),
+                                      domDocType);
+    }
+
+    /**
+     * This attempts to change the DocumentType to have the given internal DTD 
+     * subset value.  This is not a standard ability in DOM, so it's only
+     * available with some parsers.  Subclasses can alter the mechanism by
+     * which the attempt is made to set the value.
+     *
+     * @param dt DocumentType to be altered
+     * @param s String to use as the internal DTD subset
+     */
+    protected void setInternalSubset(DocumentType dt, String s) {
+        if (dt == null || s == null) return;
+
+        // Default behavior is to attempt a setInternalSubset() call using
+        // reflection.  This method is not part of the DOM spec, but it's
+        // available on Xerces 1.4.4+.  It's not currently in Crimson.
+        try {
+            Class dtclass = dt.getClass();
+            Method setInternalSubset = dtclass.getMethod(
+                "setInternalSubset", new Class[] {java.lang.String.class});
+            setInternalSubset.invoke(dt, new Object[] {s});
+        }
+        catch (Exception e) {
+            // ignore
+        }
+    }
+}