AbstractProcessTask


1   /*
2    * Copyright 2003 The Apache Software Foundation
3    *
4    *  Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   *  Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package net.sf.cglib.transform;
17  
18  import java.io.File  ;
19  import java.util.*;
20  import org.apache.tools.ant.BuildException;
21  import org.apache.tools.ant.DirectoryScanner;
22  import org.apache.tools.ant.Project;
23  import org.apache.tools.ant.Task;
24  import org.apache.tools.ant.types.FileSet;
25  
26  abstract public class AbstractProcessTask extends Task {
27      private Vector filesets = new Vector();
28  
29      public void addFileset(FileSet set) {
30          filesets.addElement(set);
31      }
32      
33      protected Collection getFiles() {
34          Map fileMap = new HashMap();
35          Project p = getProject();
36          for (int i = 0; i < filesets.size(); i++) {
37              FileSet fs = (FileSet)filesets.elementAt(i);
38              DirectoryScanner ds = fs.getDirectoryScanner(p);
39              String  [] srcFiles = ds.getIncludedFiles();
40              File   dir = fs.getDir(p);
41              for (int j = 0; j < srcFiles.length; j++) {
42                   File   src = new File  (dir, srcFiles[j]);
43                   fileMap.put(src.getAbsolutePath(), src);
44              }
45          }
46          return fileMap.values();
47      }
48  
49      
50      
51      public void execute() throws BuildException {
52          beforeExecute();
53          for (Iterator it = getFiles().iterator(); it.hasNext();) {
54              try {
55                  processFile((File  )it.next());
56              } catch (Exception   e) {
57                   throw new BuildException(e);
58              }
59          }
60      }
61  
62      protected void beforeExecute() throws BuildException { }
63      abstract protected void processFile(File   file) throws Exception  ;
64  }
65
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