1   /* 
2    * Copyright (c) 2004-2008 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     * @return true if init operation complete
62     * @throws IOException
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,
103           progressListener);
104       fc.convert(file);
105     } catch (IOException exc) {
106       addException(new ConversionException(exc.toString()));
107     }
108   }
109 
110   public void addException(ConversionException exc) {
111     if (exception == null) {
112       exception = new ArrayList<ConversionException>();
113     }
114     exception.add(exc);
115   }
116 
117   public void printException() {
118     if (exception != null) {
119       Iterator<ConversionException> iterator = exception.iterator();
120       while (iterator.hasNext()) {
121         ConversionException exc = (ConversionException) iterator.next();
122         exc.print();
123       }
124       exception = null;
125     }
126   }
127 }