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      1 /*******************************************************************************
      2  * Copyright (c) 2000, 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 /*
     12  * Created on Dec 9, 2003
     13  *
     14  */
     15 package org.eclipse.releng;
     16 
     17 import org.apache.tools.ant.Task;
     18 import org.apache.tools.ant.BuildException;
     19 
     20 import java.util.Vector;
     21 import java.io.BufferedReader;
     22 import java.io.File;
     23 import java.io.FileNotFoundException;
     24 import java.io.FileReader;
     25 import java.io.IOException;
     26 
     27 /**
     28  * @author kmoir
     29  *
     30  * To change the template for this generated type comment go to Window -
     31  * Preferences - Java - Code Generation - Code and Comments
     32  */
     33 public class CvsDiffParser extends Task {
     34 
     35 	private String mapDiffFile;
     36 	private Vector updatedMaps;
     37 
     38 	/**
     39 	 *
     40 	 */
     41 	public CvsDiffParser() {
     42 		super();
     43 		// TODO Auto-generated constructor stub
     44 	}
     45 
     46 	public static void main(String[] args) {
     47 
     48 		CvsDiffParser parser = new CvsDiffParser();
     49 		parser.setMapDiffFile("d:/junk/cvsDiff.txt");
     50 		parser.execute();
     51 	}
     52 
     53 	public void execute() throws BuildException {
     54 		parseMapDiffFile();
     55 		sendNotice();
     56 	}
     57 
     58 	/**
     59 	 * @return Returns the mapDiffFile.
     60 	 */
     61 	public String getMapDiffFile() {
     62 		return mapDiffFile;
     63 	}
     64 
     65 	/**
     66 	 * @param mapDiffFile
     67 	 *            The mapDiffFile to set.
     68 	 */
     69 	public void setMapDiffFile(String mapDiffFile) {
     70 		this.mapDiffFile = mapDiffFile;
     71 	}
     72 
     73 	private void parseMapDiffFile() {
     74 		updatedMaps = new Vector();
     75 
     76 		//read the contents of the Diff file, and return contents as a String
     77 		if (mapDiffFile.length() == 0)
     78 			updatedMaps=null;
     79 
     80 		BufferedReader in = null;
     81 		String aLine;
     82 
     83 		try {
     84 			in = new BufferedReader(new FileReader(mapDiffFile));
     85 		} catch (FileNotFoundException e) {
     86 			e.printStackTrace();
     87 		}
     88 
     89 		try {
     90 			while ((aLine = in.readLine()) != null) {
     91 				if (aLine.startsWith("RCS file")) {
     92 					String mapPath =
     93 						(aLine
     94 							.substring(aLine.indexOf(":"), aLine.indexOf(",")))
     95 							.trim();
     96 
     97 					//verification for actual changes in tags base.plugin
     98 					while ((aLine = in.readLine()) != null && !aLine.startsWith("===")){
     99 						if (aLine.startsWith("< plugin")||aLine.startsWith("< fragment")||aLine.startsWith("< feature")||aLine.startsWith("< base.plugin")){
    100 							updatedMaps.add(new File(mapPath).getName());
    101 							break;
    102 						}
    103 					}
    104 
    105 				}
    106 			}
    107 		} catch (IOException e) {
    108 			e.printStackTrace();
    109 		}
    110 	}
    111 
    112 	private void sendNotice(){
    113 
    114 		if (updatedMaps==null || updatedMaps.size()==0){
    115 			throw new BuildException("Build cancelled - map files unchanged.");
    116 		}
    117 
    118 		Mailer mailer = new Mailer();
    119 
    120 		String subject="updated map file listing";
    121 		String message ="these map files have been updated for the build:\n\n";
    122 
    123 		for (int i=0; i<updatedMaps.size();i++){
    124 			message=message.concat(updatedMaps.elementAt(i).toString()+"\n");
    125 		}
    126 
    127 		try {
    128 			mailer.sendMessage(subject,message);
    129 		} catch (NoClassDefFoundError e){
    130 			System.out.println(message);
    131 		}
    132 	}
    133 }
    134