process.java

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/*
 * Copyright 1999-2004 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.sun.org.apache.xalan.internal.xslt;

import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.PrintWriter;
import java.io.StringReader;
import java.util.Properties;
import java.util.ResourceBundle;
import java.util.Vector;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Source;
import javax.xml.transform.Templates;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.TransformerFactoryConfigurationError;
import javax.xml.transform.URIResolver;
import javax.xml.transform.dom.DOMResult;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.sax.SAXResult;
import javax.xml.transform.sax.SAXSource;
import javax.xml.transform.sax.SAXTransformerFactory;
import javax.xml.transform.sax.TransformerHandler;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;

import com.sun.org.apache.xalan.internal.Version;
import com.sun.org.apache.xalan.internal.res.XSLMessages;
import com.sun.org.apache.xalan.internal.res.XSLTErrorResources;
import com.sun.org.apache.xml.internal.utils.DefaultErrorHandler;

import org.w3c.dom.Document;
import org.w3c.dom.Node;

import org.xml.sax.ContentHandler;
import org.xml.sax.EntityResolver;
import org.xml.sax.InputSource;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.XMLReaderFactory;

/**
 * The main() method handles the Xalan command-line interface.
 * @xsl.usage general
 */
public class Process
{
  /**
   * Prints argument options.
   *
   * @param resbundle Resource bundle
   */
  protected static void printArgOptions(ResourceBundle resbundle)
  {
    System.out.println(resbundle.getString("xslProc_option"));  //"xslproc options: ");
    System.out.println("\n\t\t\t" + resbundle.getString("xslProc_common_options") + "\n");
    System.out.println(resbundle.getString("optionXSLTC"));  //"    [-XSLTC (use XSLTC for transformation)]
    System.out.println(resbundle.getString("optionIN"));  //"    [-IN inputXMLURL]");
    System.out.println(resbundle.getString("optionXSL"));  //"   [-XSL XSLTransformationURL]");
    System.out.println(resbundle.getString("optionOUT"));  //"   [-OUT outputFileName]");

    // System.out.println(resbundle.getString("optionE")); //"   [-E (Do not expand entity refs)]");
    System.out.println(resbundle.getString("optionV"));  //"   [-V (Version info)]");

    // System.out.println(resbundle.getString("optionVALIDATE")); //"   [-VALIDATE (Set whether validation occurs.  Validation is off by default.)]");
    System.out.println(resbundle.getString("optionEDUMP"));  //"   [-EDUMP {optional filename} (Do stackdump on error.)]");
    System.out.println(resbundle.getString("optionXML"));  //"   [-XML (Use XML formatter and add XML header.)]");
    System.out.println(resbundle.getString("optionTEXT"));  //"   [-TEXT (Use simple Text formatter.)]");
    System.out.println(resbundle.getString("optionHTML"));  //"   [-HTML (Use HTML formatter.)]");
    System.out.println(resbundle.getString("optionPARAM"));  //"   [-PARAM name expression (Set a stylesheet parameter)]");
    
    System.out.println(resbundle.getString("optionMEDIA"));
    System.out.println(resbundle.getString("optionFLAVOR"));
    System.out.println(resbundle.getString("optionDIAG"));
    System.out.println(resbundle.getString("optionURIRESOLVER"));  //"   [-URIRESOLVER full class name (URIResolver to be used to resolve URIs)]");    
    System.out.println(resbundle.getString("optionENTITYRESOLVER"));  //"   [-ENTITYRESOLVER full class name (EntityResolver to be used to resolve entities)]");
    waitForReturnKey(resbundle);
    System.out.println(resbundle.getString("optionCONTENTHANDLER"));  //"   [-CONTENTHANDLER full class name (ContentHandler to be used to serialize output)]");
    
    System.out.println("\n\t\t\t" + resbundle.getString("xslProc_xsltc_options") + "\n");
    System.out.println(resbundle.getString("optionXO"));
    System.out.println(resbundle.getString("optionXD"));
    waitForReturnKey(resbundle);    
    System.out.println(resbundle.getString("optionXJ"));
    System.out.println(resbundle.getString("optionXP"));
    System.out.println(resbundle.getString("optionXN"));
    System.out.println(resbundle.getString("optionXX"));
    System.out.println(resbundle.getString("optionXT"));
  }
  
  /**
   * Command line interface to transform an XML document according to
   * the instructions found in an XSL stylesheet.  
   * <p>The Process class provides basic functionality for 
   * performing transformations from the command line.  To see a 
   * list of arguments supported, call with zero arguments.</p>
   * <p>To set stylesheet parameters from the command line, use 
   * <code>-PARAM name expression</code>. If you want to set the 
   * parameter to a string value, simply pass the string value 
   * as-is, and it will be interpreted as a string.  (Note: if 
   * the value has spaces in it, you may need to quote it depending 
   * on your shell environment).</p>
   *
   * @param argv Input parameters from command line
   */
  public static void _main(String argv[])
  {
    
    boolean doStackDumpOnError = false;
    boolean setQuietMode = false;
    boolean doDiag = false;


    /**
     * The default diagnostic writer...
     */
    java.io.PrintWriter diagnosticsWriter = new PrintWriter(System.err, true);
    java.io.PrintWriter dumpWriter = diagnosticsWriter;
    ResourceBundle resbundle =
      (XSLMessages.loadResourceBundle(
        com.sun.org.apache.xml.internal.utils.res.XResourceBundle.ERROR_RESOURCES));
    String flavor = "s2s";

    if (argv.length < 1)
    {
      printArgOptions(resbundle);
    }
    else
    {
      // since xsltc is the default transformer 
      boolean useXSLTC = true;
      for (int i = 0; i < argv.length; i++)
      {
        if ("-XSLTC".equalsIgnoreCase(argv[i]))
        {
          useXSLTC = true;
        }
      }
        
      TransformerFactory tfactory;
      // Since xsltc is the default transformer
      String key = "javax.xml.transform.TransformerFactory";
      String value = "com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl";
      Properties props = System.getProperties();
      props.put(key, value);
      System.setProperties(props);      
      
      try
      {
        tfactory = TransformerFactory.newInstance();
      }
      catch (TransformerFactoryConfigurationError pfe)
      {
        pfe.printStackTrace(dumpWriter);
        diagnosticsWriter.println(
          XSLMessages.createMessage(
            XSLTErrorResources.ER_NOT_SUCCESSFUL, null));  //"XSL Process was not successful.");

        tfactory = null;  // shut up compiler

        doExit(-1);
      }

      boolean formatOutput = false;
      boolean useSourceLocation = false;
      String inFileName = null;
      String outFileName = null;
      String dumpFileName = null;
      String xslFileName = null;
      String treedumpFileName = null;
      String outputType = null;
      String media = null;
      Vector params = new Vector();
      boolean quietConflictWarnings = false;
      URIResolver uriResolver = null;
      EntityResolver entityResolver = null;
      ContentHandler contentHandler = null;
      int recursionLimit=-1;

      for (int i = 0; i < argv.length; i++)
      {
        if ("-XSLTC".equalsIgnoreCase(argv[i]))
        {
          // The -XSLTC option has been processed.
        }
        else if ("-INDENT".equalsIgnoreCase(argv[i]))
        {
          int indentAmount;

          if (((i + 1) < argv.length) && (argv[i + 1].charAt(0) != '-'))
          {
            indentAmount = Integer.parseInt(argv[++i]);
          }
          else
          {
            indentAmount = 0;
          }

          // TBD:
          // xmlProcessorLiaison.setIndent(indentAmount);
        }
        else if ("-IN".equalsIgnoreCase(argv[i]))
        {
          if (i + 1 < argv.length && argv[i + 1].charAt(0) != '-')
            inFileName = argv[++i];
          else
            System.err.println(
              XSLMessages.createMessage(
                XSLTErrorResources.ER_MISSING_ARG_FOR_OPTION,
                new Object[]{ "-IN" }));  //"Missing argument for);
        }
        else if ("-MEDIA".equalsIgnoreCase(argv[i]))
        {
          if (i + 1 < argv.length)
            media = argv[++i];
          else
            System.err.println(
              XSLMessages.createMessage(
                XSLTErrorResources.ER_MISSING_ARG_FOR_OPTION,
                new Object[]{ "-MEDIA" }));  //"Missing argument for);
        }
        else if ("-OUT".equalsIgnoreCase(argv[i]))
        {
          if (i + 1 < argv.length && argv[i + 1].charAt(0) != '-')
            outFileName = argv[++i];
          else
            System.err.println(
              XSLMessages.createMessage(
                XSLTErrorResources.ER_MISSING_ARG_FOR_OPTION,
                new Object[]{ "-OUT" }));  //"Missing argument for);
        }
        else if ("-XSL".equalsIgnoreCase(argv[i]))
        {
          if (i + 1 < argv.length && argv[i + 1].charAt(0) != '-')
            xslFileName = argv[++i];
          else
            System.err.println(
              XSLMessages.createMessage(
                XSLTErrorResources.ER_MISSING_ARG_FOR_OPTION,
                new Object[]{ "-XSL" }));  //"Missing argument for);
        }
        else if ("-FLAVOR".equalsIgnoreCase(argv[i]))
        {
          if (i + 1 < argv.length)
          {
            flavor = argv[++i];
          }
          else
            System.err.println(
              XSLMessages.createMessage(
                XSLTErrorResources.ER_MISSING_ARG_FOR_OPTION,
                new Object[]{ "-FLAVOR" }));  //"Missing argument for);
        }
        else if ("-PARAM".equalsIgnoreCase(argv[i]))
        {
          if (i + 2 < argv.length)
          {
            String name = argv[++i];

            params.addElement(name);

            String expression = argv[++i];

            params.addElement(expression);
          }
          else
            System.err.println(
              XSLMessages.createMessage(
                XSLTErrorResources.ER_MISSING_ARG_FOR_OPTION,
                new Object[]{ "-PARAM" }));  //"Missing argument for);
        }
        else if ("-E".equalsIgnoreCase(argv[i]))
        {

          // TBD:
          // xmlProcessorLiaison.setShouldExpandEntityRefs(false);
        }
        else if ("-V".equalsIgnoreCase(argv[i]))
        {
          diagnosticsWriter.println(resbundle.getString("version")  //">>>>>>> Xalan Version "
                                    + Version.getVersion() + ", " +

          resbundle.getString("version2"));  // "<<<<<<<");
        }
        else if ("-Q".equalsIgnoreCase(argv[i]))
        {
          setQuietMode = true;
        }
        else if ("-DIAG".equalsIgnoreCase(argv[i]))
        {
          doDiag = true;
        }
        else if ("-XML".equalsIgnoreCase(argv[i]))
        {
          outputType = "xml";
        }
        else if ("-TEXT".equalsIgnoreCase(argv[i]))
        {
          outputType = "text";
        }
        else if ("-HTML".equalsIgnoreCase(argv[i]))
        {