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Date: 23 Jul 2002 17:40:42 -0000
Message-ID: <20020723174042.71398.qmail@icarus.apache.org>
From: santiagopg@apache.org
To: xml-xalan-cvs@apache.org
Subject: cvs commit: xml-xalan/java/src/org/apache/xalan/xsltc/trax Util.java

santiagopg    2002/07/23 10:40:41

  Added:       java/src/org/apache/xalan/xsltc/trax Util.java
  Log:
  Util class for the TrAX package.
  
  Revision  Changes    Path
  1.1                  xml-xalan/java/src/org/apache/xalan/xsltc/trax/Util.java
  
  Index: Util.java
  ===================================================================
  /*
   * @(#)$Id: Util.java,v 1.1 2002/07/23 17:40:41 santiagopg Exp $
   *
   * The Apache Software License, Version 1.1
   *
   *
   * Copyright (c) 2001 The Apache Software Foundation.  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 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 "Xalan" 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 (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 Apache Software Foundation and was
   * originally based on software copyright (c) 2001, Sun
   * Microsystems., http://www.sun.com.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   * @author Santiago Pericas-Geertsen
   *
   */
  
  package org.apache.xalan.xsltc.trax;
  
  import java.io.Reader;
  import java.io.InputStream;
  
  import javax.xml.transform.*;
  import javax.xml.transform.sax.*;
  import javax.xml.transform.dom.*;
  import javax.xml.transform.stream.*;
  
  import org.w3c.dom.Document;
  import org.xml.sax.InputSource;
  
  import org.apache.xalan.xsltc.compiler.XSLTC;
  import org.apache.xalan.xsltc.compiler.util.ErrorMsg;
  import org.apache.xalan.xsltc.compiler.SourceLoader;
  
  public final class Util {
  
      public static String baseName(String name) {
  	return org.apache.xalan.xsltc.compiler.util.Util.baseName(name);
      }
  
      /**
       * Creates a SAX2 InputSource object from a TrAX Source object
       */
      public static InputSource getInputSource(XSLTC xsltc, Source source)
  	throws TransformerConfigurationException 
      {
  	InputSource input = null;
  
  	String systemId = source.getSystemId();
  	if (systemId == null) {
  	    systemId = "";
  	}
  
  	try {
  	    // Try to get InputSource from SAXSource input
  	    if (source instanceof SAXSource) {
  		final SAXSource sax = (SAXSource)source;
  		input = sax.getInputSource();
  		// Pass the SAX parser to the compiler
  		xsltc.setXMLReader(sax.getXMLReader());
  	    }
  	    // handle  DOMSource  
  	    else if (source instanceof DOMSource) {
  		final DOMSource domsrc = (DOMSource)source;
  		final Document dom = (Document)domsrc.getNode();
  		final DOM2SAX dom2sax = new DOM2SAX(dom);
  		xsltc.setXMLReader(dom2sax);  
  
  	        // Try to get SAX InputSource from DOM Source.
  		input = SAXSource.sourceToInputSource(source);
  		if (input == null){
  		    input = new InputSource(domsrc.getSystemId());
  		}
  	    }
  	    // Try to get InputStream or Reader from StreamSource
  	    else if (source instanceof StreamSource) {
  		final StreamSource stream = (StreamSource)source;
  		final InputStream istream = stream.getInputStream();
  		final Reader reader = stream.getReader();
  
  		// Create InputSource from Reader or InputStream in Source
  		if (istream != null) {
  		    input = new InputSource(istream);
  		}
  		else if (reader != null) {
  		    input = new InputSource(reader);
  		}
  		else {
  		    input = new InputSource(systemId);
  		}
  	    }
  	    else {
  		ErrorMsg err = new ErrorMsg(ErrorMsg.JAXP_UNKNOWN_SOURCE_ERR);
  		throw new TransformerConfigurationException(err.toString());
  	    }
  	    input.setSystemId(systemId);
  	}
  	catch (NullPointerException e) {
   	    ErrorMsg err = new ErrorMsg(ErrorMsg.JAXP_NO_SOURCE_ERR,
  					"TransformerFactory.newTemplates()");
  	    throw new TransformerConfigurationException(err.toString());
  	}
  	catch (SecurityException e) {
   	    ErrorMsg err = new ErrorMsg(ErrorMsg.FILE_ACCESS_ERR, systemId);
  	    throw new TransformerConfigurationException(err.toString());
  	}
  	finally {
  	    return input;
  	}
      }
  
  }
  
  
  
  

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