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From cos...@apache.org
Subject cvs commit: jakarta-ant/proposal/embed/src/java/org/apache/tools/ant/tasks/optional JXPath.java
Date Fri, 26 Jul 2002 16:44:57 GMT
costin      2002/07/26 09:44:57

  Added:       proposal/embed/src/java/org/apache/tools/ant/tasks/optional
                        JXPath.java
  Log:
  First draft of JXPath.
  
  Revision  Changes    Path
  1.1                  jakarta-ant/proposal/embed/src/java/org/apache/tools/ant/tasks/optional/JXPath.java
  
  Index: JXPath.java
  ===================================================================
  /*
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2000-2002 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 acknowlegement:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowlegement may appear in the software itself,
   *    if and wherever such third-party acknowlegements normally appear.
   *
   * 4. The names "The Jakarta Project", "Ant", 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 names without prior written
   *    permission of the Apache Group.
   *
   * 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.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  
  package org.apache.tools.ant.taskdefs.optional;
  
  import org.apache.tools.ant.*;
  import org.apache.tools.ant.types.*;
  
  import java.io.*;
  import java.util.*;
  import org.xml.sax.Locator;
  import org.xml.sax.InputSource;
  //import org.xml.sax.HandlerBase;
  import org.xml.sax.SAXParseException;
  import org.xml.sax.XMLReader;
  import org.xml.sax.SAXException;
  import org.xml.sax.DocumentHandler;
  import org.xml.sax.Attributes;
  import org.xml.sax.AttributeList;
  import org.xml.sax.helpers.XMLReaderAdapter;
  import org.xml.sax.helpers.DefaultHandler;
  import org.xml.sax.helpers.AttributeListImpl;
  
  import javax.xml.parsers.SAXParserFactory;
  import javax.xml.parsers.SAXParser;
  import javax.xml.parsers.ParserConfigurationException;
  
  import org.apache.commons.jxpath.*;
  
  // Experimental: need to add code to select the 'root', etc.
  
  /**
   *  Enable JXPath dynamic properties
   *  
   *
   * @author Costin Manolache
   */
  public class JXPath extends Task implements PropertyInterceptor {
      JXPathContext jxpathCtx;
      
      public JXPath() {
      }
  
      public Object getProperty( Project p, String ns, String name ) {
          if( ! name.startsWith("jxpath:" ) )
              return null;
          System.out.println("JXPath: getProperty " + ns + " " + name );
          name=name.substring( 7 );
          return jxpathCtx.getValue( name );
      }
  
      
      public void execute() {
          PropertyHelper phelper=PropertyHelper.getPropertyHelper( project );
          phelper.addPropertyInterceptor( this );
  
          jxpathCtx=JXPathContext.newContext( project );
      }
  
  }
  
  
  

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