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      1 /*******************************************************************************
      2  * Copyright (c) 2005, 2006 IBM Corporation and others.
      3  * All rights reserved. This program and the accompanying materials
      4  * are made available under the terms of the Eclipse Public License v1.0
      5  * which accompanies this distribution, and is available at
      6  * http://www.eclipse.org/legal/epl-v10.html
      7  *
      8  * Contributors:
      9  *     IBM Corporation - initial API and implementation
     10  *******************************************************************************/
     11 package org.eclipse.releng.generators.rss;
     12 
     13 import java.io.File;
     14 
     15 import org.apache.tools.ant.BuildException;
     16 import org.apache.tools.ant.Task;
     17 
     18 import org.eclipse.releng.util.rss.Messages;
     19 import org.eclipse.releng.util.rss.RSSFeedUtil;
     20 
     21 /**
     22  * Parameters:
     23  *   debug - more output to console - eg., 0|1|2
     24  *
     25  *   file - path to the XML file that will be read - eg., /path/to/file.to.read.xml
     26  *   xpath - xpath string representing the object to read
     27  *
     28  * @author nickb
     29  *
     30  */
     31 public class RSSFeedGetPropertyTask extends Task {
     32 
     33   private int debug = 0;
     34 
     35   //required fields
     36   private File file;
     37 
     38   private String xpath;
     39 
     40   //optional
     41   public void setDebug(int debug) { this.debug = debug; }
     42 
     43   //required fields
     44   public void setFile(String file) {
     45     if (isNullString(file))
     46     { System.err.println(Messages.getString("RSSFeedCommon.FileError")); } //$NON-NLS-1$
     47     else
     48     { this.file = new File(file); }
     49   }
     50   public void setXpath(String xpath) {
     51     if (isNullString(xpath))
     52     { System.err.println(Messages.getString("RSSFeedCommon.XpathError")); } //$NON-NLS-1$
     53     else
     54     { this.xpath = xpath; }
     55   }
     56 
     57   // The method executing the task
     58   public void execute() throws BuildException {
     59     RSSFeedUpdateEntryTask updater = new RSSFeedUpdateEntryTask();
     60     updater.setFile(file.toString());
     61     updater.setXpath(xpath);
     62     updater.setDebug(debug);
     63     updater.execute();
     64   }
     65 
     66   private static boolean isNullString(String str)
     67   {
     68     return RSSFeedUtil.isNullString(str);
     69   }
     70 
     71 }