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1   /**
2    * Copyright (c) 2004-2011 QOS.ch
3    * All rights reserved.
4    *
5    * Permission is hereby granted, free  of charge, to any person obtaining
6    * a  copy  of this  software  and  associated  documentation files  (the
7    * "Software"), to  deal in  the Software without  restriction, including
8    * without limitation  the rights to  use, copy, modify,  merge, publish,
9    * distribute,  sublicense, and/or sell  copies of  the Software,  and to
10   * permit persons to whom the Software  is furnished to do so, subject to
11   * the following conditions:
12   *
13   * The  above  copyright  notice  and  this permission  notice  shall  be
14   * included in all copies or substantial portions of the Software.
15   *
16   * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
17   * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
18   * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
19   * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20   * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21   * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
22   * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23   *
24   */
25  package org.slf4j.migrator;
26  
27  import java.io.File;
28  import java.io.IOException;
29  import java.util.ArrayList;
30  import java.util.Iterator;
31  import java.util.List;
32  
33  import javax.swing.SwingUtilities;
34  
35  import org.slf4j.migrator.internal.MigratorFrame;
36  import org.slf4j.migrator.internal.ProgressListener;
37  import org.slf4j.migrator.line.RuleSet;
38  
39  public class ProjectConverter {
40  
41      private RuleSet ruleSet;
42      private List<ConversionException> exception;
43  
44      ProgressListener progressListener;
45  
46      public static void main(String[] args) throws IOException {
47          SwingUtilities.invokeLater(new Runnable() {
48              public void run() {
49                  MigratorFrame inst = new MigratorFrame();
50                  inst.setLocationRelativeTo(null);
51                  inst.setVisible(true);
52              }
53          });
54      }
55  
56      /**
57       * Ask for concrete matcher implementation depending on the conversion mode
58       * Ask for user confirmation to convert the selected source directory if valid
59       * Ask for user confirmation in case of number of files to convert > 1000
60       *
61       * @param conversionType 
62       * @param progressListener 
63       */
64      public ProjectConverter(int conversionType, ProgressListener progressListener) {
65          this.progressListener = progressListener;
66          ruleSet = RuleSetFactory.getMatcherImpl(conversionType);
67          if (ruleSet == null) {
68              addException(new ConversionException(ConversionException.NOT_IMPLEMENTED));
69          }
70      }
71  
72      public void convertProject(File folder) {
73          FileSelector fs = new FileSelector(progressListener);
74          List<File> fileList = fs.selectJavaFilesInFolder(folder);
75          scanFileList(fileList);
76          progressListener.onDone();
77      }
78  
79      /**
80       * Convert a list of files
81       * 
82       * @param lstFiles
83       */
84      private void scanFileList(List<File> lstFiles) {
85          progressListener.onFileScanBegin();
86          Iterator<File> itFile = lstFiles.iterator();
87          while (itFile.hasNext()) {
88              File currentFile = itFile.next();
89              progressListener.onFileScan(currentFile);
90              scanFile(currentFile);
91          }
92      }
93  
94      /**
95       * Convert the specified file Read each line and ask matcher implementation
96       * for conversion Rewrite the line returned by matcher
97       * 
98       * @param file
99       */
100     private void scanFile(File file) {
101         try {
102             InplaceFileConverter fc = new InplaceFileConverter(ruleSet, progressListener);
103             fc.convert(file);
104         } catch (IOException exc) {
105             addException(new ConversionException(exc.toString()));
106         }
107     }
108 
109     public void addException(ConversionException exc) {
110         if (exception == null) {
111             exception = new ArrayList<ConversionException>();
112         }
113         exception.add(exc);
114     }
115 
116     public void printException() {
117         if (exception != null) {
118             Iterator<ConversionException> iterator = exception.iterator();
119             while (iterator.hasNext()) {
120                 ConversionException exc = (ConversionException) iterator.next();
121                 exc.print();
122             }
123             exception = null;
124         }
125     }
126 }