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
setDebug(int debug)41   public void setDebug(int debug) { this.debug = debug; }
42 
43   //required fields
setFile(String file)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   }
setXpath(String xpath)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
execute()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 
isNullString(String str)66   private static boolean isNullString(String str)
67   {
68     return RSSFeedUtil.isNullString(str);
69   }
70 
71 }