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