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Java > Open Source Codes > com > jeantessier > dependencyfinder > ant > GraphTask


1 /*
2  * Copyright (c) 2001-2005, Jean Tessier
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * * Redistributions of source code must retain the above copyright
10  * notice, this list of conditions and the following disclaimer.
11  *
12  * * Redistributions in binary form must reproduce the above copyright
13  * notice, this list of conditions and the following disclaimer in the
14  * documentation and/or other materials provided with the distribution.
15  *
16  * * Neither the name of Jean Tessier nor the names of his contributors
17  * may be used to endorse or promote products derived from this software
18  * without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */

32
33 package com.jeantessier.dependencyfinder.ant;
34
35 import java.io.*;
36 import java.util.*;
37
38 import org.apache.tools.ant.*;
39 import org.apache.tools.ant.types.*;
40
41 import com.jeantessier.dependency.*;
42
43 public abstract class GraphTask extends Task {
44     private boolean validate = false;
45     private Path src;
46     private File destfile;
47
48     public boolean getValidate() {
49         return validate;
50     }
51
52     public void setValidate(boolean validate) {
53         this.validate = validate;
54     }
55     
56     public Path createSrc() {
57         if (src == null) {
58             src = new Path(getProject());
59         }
60
61         return src;
62     }
63     
64     public Path getSrc() {
65         return src;
66     }
67
68     public Path getSrcfile() {
69         return src;
70     }
71     
72     public void setSrcfile(Path srcfile) {
73         if (src == null) {
74             src = srcfile;
75         } else {
76             src.append(srcfile);
77         }
78     }
79
80     public File getDestfile() {
81         return destfile;
82     }
83     
84     public void setDestfile(File destfile) {
85         this.destfile = destfile;
86     }
87
88     protected void validateParameters() throws BuildException {
89         if (getSrcfile() == null) {
90             throw new BuildException("src or srcfile must be set!");
91         }
92         
93         if (getSrc().size() == 0) {
94             throw new BuildException("src and srcfile are both empty!");
95         }
96
97         if (getDestfile() == null) {
98             throw new BuildException("destfile must be set!");
99         }
100     }
101 }
102
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