ClassPathElement.java revision 9f606f95f03a75961498803e24bee6799a7c0885 
1/*
2 * ProGuard -- shrinking, optimization, obfuscation, and preverification
3 *             of Java bytecode.
4 *
5 * Copyright (c) 2002-2009 Eric Lafortune (eric@graphics.cornell.edu)
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the Free
9 * Software Foundation; either version 2 of the License, or (at your option)
10 * any later version.
11 *
12 * This program is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * more details.
16 *
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21package proguard.ant;
22
23import org.apache.tools.ant.*;
24import org.apache.tools.ant.types.*;
25import proguard.*;
26import proguard.util.ListUtil;
27
28import java.io.File;
29
30/**
31 * This FileSet represents a class path entry (or a set of class path entries)
32 * in Ant.
33 *
34 * @author Eric Lafortune
35 */
36public class ClassPathElement extends Path
37{
38    private String filter;
39    private String jarFilter;
40    private String warFilter;
41    private String earFilter;
42    private String zipFilter;
43
44
45    /**
46     * @see Path#Path(Project)
47     */
48    public ClassPathElement(Project project)
49    {
50        super(project);
51    }
52
53
54    /**
55     * Adds the contents of this class path element to the given class path.
56     * @param classPath the class path to be extended.
57     * @param output    specifies whether this is an output entry or not.
58     */
59    public void appendClassPathEntriesTo(ClassPath classPath, boolean output)
60    {
61        File     baseDir = getProject().getBaseDir();
62        String[] fileNames;
63
64        if (isReference())
65        {
66            // Get the referenced path or file set.
67            Object referencedObject = getCheckedRef(DataType.class,
68                                                    DataType.class.getName());
69
70            if (referencedObject instanceof Path)
71            {
72                Path path = (Path)referencedObject;
73
74                // Get the names of the files in the referenced path.
75                fileNames = path.list();
76            }
77            else if (referencedObject instanceof AbstractFileSet)
78            {
79                AbstractFileSet fileSet = (AbstractFileSet)referencedObject;
80
81                // Get the names of the existing input files in the referenced file set.
82                DirectoryScanner scanner = fileSet.getDirectoryScanner(getProject());
83                baseDir   = scanner.getBasedir();
84                fileNames = scanner.getIncludedFiles();
85            }
86            else
87            {
88                throw new BuildException("The refid attribute doesn't point to a <path> element or a <fileset> element");
89            }
90        }
91        else
92        {
93            // Get the names of the files in this path.
94            fileNames = list();
95        }
96
97        if (output)
98        {
99            if (fileNames.length != 1)
100            {
101                throw new BuildException("The <outjar> element must specify exactly one file or directory ["+fileNames.length+"]");
102            }
103        }
104        //else
105        //{
106        //    if (fileNames.length < 1)
107        //    {
108        //        throw new BuildException("The <injar> element must specify at least one file or directory");
109        //    }
110        //}
111
112        for (int index = 0; index < fileNames.length; index++)
113        {
114            // Create a new class path entry, with the proper file name and
115            // any filters.
116            String fileName = fileNames[index];
117            File   file     = new File(fileName);
118
119            ClassPathEntry entry =
120                new ClassPathEntry(file.isAbsolute() ? file : new File(baseDir, fileName),
121                                   output);
122            entry.setFilter(ListUtil.commaSeparatedList(filter));
123            entry.setJarFilter(ListUtil.commaSeparatedList(jarFilter));
124            entry.setWarFilter(ListUtil.commaSeparatedList(warFilter));
125            entry.setEarFilter(ListUtil.commaSeparatedList(earFilter));
126            entry.setZipFilter(ListUtil.commaSeparatedList(zipFilter));
127
128            // Add it to the class path.
129            classPath.add(entry);
130        }
131    }
132
133
134    // Ant task attributes.
135
136    /**
137     * @deprecated Use {@link #setLocation(File)} instead.
138     */
139    public void setFile(File file)
140    {
141        setLocation(file);
142    }
143
144
145    /**
146     * @deprecated Use {@link #setLocation(File)} instead.
147     */
148    public void setDir(File file)
149    {
150        setLocation(file);
151    }
152
153
154    /**
155     * @deprecated Use {@link #setLocation(File)} instead.
156     */
157    public void setName(File file)
158    {
159        setLocation(file);
160    }
161
162
163    public void setFilter(String filter)
164    {
165        this.filter = filter;
166    }
167
168
169    public void setJarfilter(String jarFilter)
170    {
171        this.jarFilter = jarFilter;
172    }
173
174
175    public void setWarfilter(String warFilter)
176    {
177        this.warFilter = warFilter;
178    }
179
180
181    public void setEarfilter(String earFilter)
182    {
183        this.earFilter = earFilter;
184    }
185
186
187    public void setZipfilter(String zipFilter)
188    {
189        this.zipFilter = zipFilter;
190    }
191}
192