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Java > Open Source Codes > org > apache > tools > ant > taskdefs > Find


1 /*
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53  */

54
55 package org.apache.tools.ant.taskdefs;
56  
57
58 import org.apache.tools.ant.Task;
59 import org.apache.tools.ant.BuildException;
60 import org.apache.tools.ant.types.Path;
61 import org.apache.tools.ant.DirectoryScanner;
62
63 import java.util.Vector JavaDoc;
64 import java.util.Iterator JavaDoc;
65 import java.io.File JavaDoc;
66
67 public class Find extends Task {
68
69     // ===== internal attributes =====
70

71     private Vector JavaDoc foundFiles = new Vector JavaDoc();
72
73     // ===== attribute support =====
74

75     private String JavaDoc file;
76     private String JavaDoc location;
77     private Vector JavaDoc paths = new Vector JavaDoc();
78     private String JavaDoc delimiter = null;
79
80     public void setFile(String JavaDoc file) {
81         this.file = file;
82     }
83
84     public void setLocation(String JavaDoc location) {
85         this.location = location;
86     }
87
88     public void addPath(Path path) {
89         paths.add(path);
90     }
91
92     public void setDelimiter(String JavaDoc delim) {
93         delimiter = delim;
94     }
95
96     // ===== the tasks work =====
97

98     protected void validate() {
99         if (file==null) throw new BuildException("file not set");
100         if (location==null) throw new BuildException("location not set");
101         if (paths.size()<1) throw new BuildException("path not set");
102     }
103
104     public void execute() {
105         validate();
106         // find all files
107
for(Iterator JavaDoc itPaths = paths.iterator(); itPaths.hasNext(); ) {
108             Path path = (Path)itPaths.next();
109             String JavaDoc[] includedFiles = path.list();
110             for(int i=0; i<includedFiles.length; i++) {
111                 String JavaDoc filename = includedFiles[i].replace('\\','/');
112                 filename = filename.substring(filename.lastIndexOf("/")+1);
113                 if (file.equals(filename) && !foundFiles.contains(includedFiles[i])) {
114                     foundFiles.add(includedFiles[i]);
115                 }
116             }
117         }
118
119         // create the return value (list/single)
120
String JavaDoc rv = null;
121         if (foundFiles.size() > 0) {
122             if (delimiter==null) {
123                 // only the first
124
rv = (String JavaDoc)foundFiles.elementAt(0);
125             } else {
126                 // create list
127
StringBuffer JavaDoc list = new StringBuffer JavaDoc();
128                 for(Iterator JavaDoc it=foundFiles.iterator(); it.hasNext(); ) {
129                     list.append(it.next());
130                     if (it.hasNext()) list.append(delimiter);
131                 }
132                 rv = list.toString();
133             }
134         }
135
136         // create the property
137
if (rv!=null)
138             getProject().setNewProperty(location, rv);
139     }
140
141 }
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