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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.internal;
26  
27  import java.io.File;
28  import java.io.IOException;
29  
30  import org.slf4j.migrator.helper.Abbreviator;
31  
32  public class ProgressListenerImpl implements ProgressListener {
33  
34    static final int TARGET_FILE_LENGTH = 85;
35    static final int UPDATE_THRESHOLD = 100;
36    
37    int addFileCount = 0;
38    int scanFileCount = 0;
39    int inplaceConversionCount = 0;
40    final MigratorFrame frame;
41  
42    Abbreviator abbr;
43    
44    long lastUpdate = 0;
45    
46    
47  
48    public ProgressListenerImpl(File projectFolder, MigratorFrame frame) {
49      this.frame = frame;
50      this.abbr = new Abbreviator((int) projectFolder.length(),
51          TARGET_FILE_LENGTH, File.separatorChar);
52    }
53  
54    public void onMigrationBegin() {
55      frame.disableInput();
56    }
57  
58    boolean isTooSoon() {
59      long now = System.currentTimeMillis();
60      if(now-lastUpdate < UPDATE_THRESHOLD) {
61        return true;
62      } else {
63        lastUpdate = now;
64        return false;
65      }
66    }
67   
68    public void onDirectory(File file) {
69      if(isTooSoon()) return;
70        
71      String abbreviatedName = getShortName(file);
72      frame.otherLabel.setText("<html><p>Searching folder [" + abbreviatedName
73          + "]<p>Found " + addFileCount + " java files to scan.</html>");
74    }
75  
76    public void onDone() {
77      frame.progressBar.setVisible(false);
78      frame.otherLabel.setText("<html><font color='BLUE'>Scanned " + addFileCount
79          + " java files, " + inplaceConversionCount
80          + " files were modified.</font></html>");
81  
82      frame.migrateButton.setActionCommand(MigratorFrame.EXIT_COMMAND);
83      frame.migrateButton.setText("Exit");
84      frame.migrateButton
85          .setToolTipText("Click on this button to exit this application.");
86      frame.migrateButton.setEnabled(true);
87  
88    }
89  
90    public void onFileAddition(File file) {
91      addFileCount++;
92    }
93  
94    public void onFileScan(File file) {
95    
96      scanFileCount++;
97      if(isTooSoon()) return;
98      String abbreviatedName = getShortName(file);
99      
100     frame.otherLabel.setText("<html><p>Scanning file [" + abbreviatedName
101         + "]<p></html>");
102     // File + scanFileCount + " out of "+ addFileCount+" files to scan."+
103     // inplaceConversionCount+ " files converted." +
104 
105     frame.progressBar.setValue(scanFileCount);
106   }
107 
108   public void onInplaceConversion(File file) {
109     inplaceConversionCount++;
110   }
111 
112   String getShortName(File file) {
113     try {
114       return abbr.abbreviate(file.getCanonicalPath());
115     } catch (IOException e) {
116       return file.toString();
117     }
118   }
119 
120   public void onFileScanBegin() {
121     frame.progressBar.setMaximum(addFileCount);
122     frame.progressBar.setValue(0);
123     frame.progressBar.setVisible(true);
124   }
125 
126 }