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Java > Open Source Codes > org > codehaus > aspectwerkz > compiler > Utility


1 /**************************************************************************************
2  * Copyright (c) Jonas Bonér, Alexandre Vasseur. All rights reserved. *
3  * http://aspectwerkz.codehaus.org *
4  * ---------------------------------------------------------------------------------- *
5  * The software in this package is published under the terms of the LGPL license *
6  * a copy of which has been included with this distribution in the license.txt file. *
7  **************************************************************************************/

8 package org.codehaus.aspectwerkz.compiler;
9
10 import org.apache.tools.ant.BuildLogger;
11 import org.apache.tools.ant.DefaultLogger;
12 import org.apache.tools.ant.Project;
13 import org.apache.tools.ant.taskdefs.Copy;
14 import org.apache.tools.ant.taskdefs.Delete;
15 import org.apache.tools.ant.types.FileSet;
16 import org.apache.tools.ant.types.selectors.FilenameSelector;
17
18 import java.io.File JavaDoc;
19
20 /**
21  * Utility class providing file manipulation facilities. <p/>This implementation uses Ant task programmaticaly.
22  *
23  * @author <a HREF="mailto:alex@gnilux.com">Alexandre Vasseur </a>
24  */

25 public class Utility {
26     /**
27      * Ant project
28      */

29     private Project project;
30
31     /**
32      * Ant logger
33      */

34     private BuildLogger logger;
35
36     private boolean verbose = false;
37
38     /**
39      * Constructs a new project and attach simple logger
40      */

41     public Utility() {
42         project = new Project();
43         logger = new DefaultLogger();
44         logger.setMessageOutputLevel(0);
45         logger.setOutputPrintStream(System.out);
46         logger.setErrorPrintStream(System.err);
47         project.addBuildListener(logger);
48     }
49
50     /**
51      * Set verbosity
52      */

53     public void setVerbose(boolean verbose) {
54         if (verbose) {
55             logger.setMessageOutputLevel(2);
56             verbose = true;
57         } else {
58             logger.setMessageOutputLevel(-1);
59             verbose = false;
60         }
61     }
62
63     /**
64      * Delete recursively a directory and the directory itself
65      */

66     public void deleteDir(File JavaDoc dir) {
67         Delete task = new Delete();
68         task.setProject(project);
69         task.setTaskName("delete");
70         FilenameSelector fns = new FilenameSelector();
71         fns.setName("**/*");
72         FileSet fs = new FileSet();
73         fs.setDir(dir);
74         fs.addFilename(fns);
75         task.addFileset(fs);
76         task.setIncludeEmptyDirs(true);
77         task.perform();
78         dir.delete();
79     }
80
81     /**
82      * Copy a file or directory recursively
83      */

84     public void backupFile(File JavaDoc source, File JavaDoc dest) {
85         Copy task = new Copy();
86         task.setProject(project);
87         task.setTaskName("backup");
88         task.setVerbose(verbose);
89
90         //@todo haltOnError
91
//copyTask.setFailOnError(haltOnError);
92
if (source.isDirectory()) {
93             FilenameSelector fns = new FilenameSelector();
94             fns.setName("**/*");
95             FileSet fs = new FileSet();
96             fs.setDir(source);
97             fs.addFilename(fns);
98             task.addFileset(fs);
99             task.setTodir(dest);
100             task.setIncludeEmptyDirs(true);
101         } else {
102             task.setFile(source);
103             task.setTofile(dest);
104         }
105         task.setOverwrite(true);
106         task.setPreserveLastModified(true);
107         task.execute();
108     }
109
110     public void log(String JavaDoc msg) {
111         project.log(msg);
112     }
113 }
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