Setup


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16   * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
17   * Microsystems, Inc. All Rights Reserved.
18   */
19  
20  package org.netbeans.modules.subversion.ui.diff;
21  
22  import org.netbeans.api.diff.StreamSource;
23  import org.netbeans.api.diff.DiffView;
24  import org.netbeans.modules.subversion.*;
25  import org.openide.util.NbBundle;
26  
27  import java.io.File  ;
28  import java.io.IOException  ;
29  import java.util.*;
30  import java.text.MessageFormat  ;
31  
32  /**
33   * Represents on DIFF setup.
34   *
35   * @author Maros Sandor
36   */
37  public final class Setup {
38  
39      /**
40       * What was locally changed? The right pane contains local file.
41       *
42       * <p>Local addition, removal or change is displayed in
43       * the right pane as addition, removal or change respectively
44       * (i.e. not reversed as removal, addition or change).
45       *
46       * <pre>
47       * diff from-BASE to-LOCAL
48       * </pre>
49       */
50      public static final int DIFFTYPE_LOCAL     = 0;
51  
52      /**
53       * What was remotely changed? The right pane contains remote file.
54       *
55       * <p>Remote addition, removal or change is displayed in
56       * the right pane as addition, removal or change respectively
57       * (i.e. not reversed as removal, addition or change).
58       *
59       * <pre>
60       * diff from-BASE to-HEAD
61       * </pre>
62       */
63      public static final int DIFFTYPE_REMOTE    = 1;
64  
65      /**
66       * What was locally changed comparing to recent head?
67       * The Right pane contains local file.
68       *
69       * <p> Local addition, removal or change is displayed in
70       * the right pane as addition, removal or change respectively
71       * (i.e. not reversed as removal, addition or change).
72       *
73       * <pre>
74       * diff from-HEAD to-LOCAL
75       * </pre>
76       */
77      public static final int DIFFTYPE_ALL       = 2;
78      
79      public static final String   REVISION_PRISTINE = "PRISTINE"; // NOI18N
80      public static final String   REVISION_BASE = "BASE"; // NOI18N
81      public static final String   REVISION_CURRENT = "LOCAL"; // NOI18N
82      public static final String   REVISION_HEAD    = "HEAD"; // NOI18N
83      
84      private final File        baseFile;
85      private final String      firstRevision;
86      private final String      secondRevision;
87  
88      private DiffStreamSource    firstSource;
89      private DiffStreamSource    secondSource;
90  
91      private DiffView view;
92  
93      private String      title;
94  
95      public Setup(File   baseFile, int type) {
96          this.baseFile = baseFile;
97          FileInformation info = Subversion.getInstance().getStatusCache().getStatus(baseFile);
98          int status = info.getStatus();
99          
100         ResourceBundle loc = NbBundle.getBundle(Setup.class);
101         String   firstTitle;
102         String   secondTitle;
103 
104         // the first source
105 
106         switch (type) {
107             case DIFFTYPE_LOCAL:           
108             case DIFFTYPE_REMOTE:
109 
110                 // from-BASE
111 
112                 if (match(status, FileInformation.STATUS_NOTVERSIONED_NEWLOCALLY
113                 | FileInformation.STATUS_VERSIONED_ADDEDLOCALLY)) {
114                     firstRevision = REVISION_BASE;
115                     firstTitle = loc.getString("MSG_DiffPanel_LocalNew");
116                 } else if (match (status, FileInformation.STATUS_VERSIONED_NEWINREPOSITORY)) {
117                     firstRevision = null;
118                     firstTitle = NbBundle.getMessage(Setup.class, "LBL_Diff_NoLocalFile"); // NOI18N
119                 } else if (match(status, FileInformation.STATUS_VERSIONED_DELETEDLOCALLY
120                 | FileInformation.STATUS_VERSIONED_REMOVEDLOCALLY)) {
121                     firstRevision = REVISION_BASE;
122                     firstTitle = MessageFormat.format(loc.getString("MSG_DiffPanel_BaseRevision"), new Object   [] { firstRevision });
123                 } else {
124                     firstRevision = REVISION_BASE;
125                     firstTitle = MessageFormat.format(loc.getString("MSG_DiffPanel_BaseRevision"), new Object   [] { firstRevision });
126                 }
127 
128                 break;
129 
130             case DIFFTYPE_ALL:
131 
132                 // from-HEAD
133 
134                 if (match (status, FileInformation.STATUS_VERSIONED_NEWINREPOSITORY)) {
135                     firstRevision = REVISION_HEAD;
136                     firstTitle = loc.getString("MSG_DiffPanel_RemoteNew");
137                 } else if (match (status, FileInformation.STATUS_NOTVERSIONED_NEWLOCALLY
138                                  | FileInformation.STATUS_VERSIONED_ADDEDLOCALLY)) {
139                     firstRevision = null;
140                     firstTitle = loc.getString("MSG_DiffPanel_NoBaseRevision");
141                 } else if (match(status, FileInformation.STATUS_VERSIONED_REMOVEDINREPOSITORY)) {
142                     firstRevision = null;
143                     firstTitle = loc.getString("MSG_DiffPanel_RemoteDeleted");
144                 } else {
145                     firstRevision = REVISION_HEAD;
146                     firstTitle = MessageFormat.format(loc.getString("MSG_DiffPanel_RemoteModified"), new Object   [] { firstRevision });
147                 }
148                 break;
149 
150             default:
151                 throw new IllegalArgumentException  ("Unknow diff type: " + type); // NOI18N
152         }
153 
154 
155         // the second source
156 
157         switch (type) {
158             case DIFFTYPE_LOCAL:
159             case DIFFTYPE_ALL:
160 
161                 // to-LOCAL
162 
163                 if (match(status, FileInformation.STATUS_VERSIONED_CONFLICT)) {
164                     secondRevision = REVISION_CURRENT;
165                     secondTitle = MessageFormat.format(loc.getString("MSG_DiffPanel_LocalConflict"), new Object   [] { secondRevision });
166                 } else if (match(status, FileInformation.STATUS_NOTVERSIONED_NEWLOCALLY
167                 | FileInformation.STATUS_VERSIONED_ADDEDLOCALLY)) {
168                     secondRevision = REVISION_CURRENT;
169                     secondTitle = loc.getString("MSG_DiffPanel_LocalNew");
170                 } else if (match (status, FileInformation.STATUS_VERSIONED_NEWINREPOSITORY)) {
171                     secondRevision = null;
172                     secondTitle = NbBundle.getMessage(Setup.class, "LBL_Diff_NoLocalFile"); // NOI18N
173                 } else if (match(status, FileInformation.STATUS_VERSIONED_DELETEDLOCALLY
174                 | FileInformation.STATUS_VERSIONED_REMOVEDLOCALLY)) {
175                     secondRevision = null;
176                     secondTitle = loc.getString("MSG_DiffPanel_LocalDeleted");
177                 } else {
178                     secondRevision = REVISION_CURRENT;
179                     secondTitle = MessageFormat.format(loc.getString("MSG_DiffPanel_LocalModified"), new Object   [] { secondRevision });
180                 }
181                 break;
182 
183             case DIFFTYPE_REMOTE:
184 
185                 // to-HEAD
186 
187                 if (match(status, FileInformation.STATUS_NOTVERSIONED_NEWLOCALLY
188                 | FileInformation.STATUS_VERSIONED_ADDEDLOCALLY)) {
189                     secondRevision = null;
190                     secondTitle = loc.getString("MSG_DiffPanel_LocalNew");
191                 } else if (match(status, FileInformation.STATUS_VERSIONED_NEWINREPOSITORY)) {
192                     secondRevision = REVISION_HEAD;
193                     secondTitle = loc.getString("MSG_DiffPanel_RemoteNew");
194                 } else if (match(status, FileInformation.STATUS_VERSIONED_REMOVEDINREPOSITORY)) {
195                     secondRevision = null;
196                     secondTitle = loc.getString("MSG_DiffPanel_RemoteDeleted");
197                 } else {
198                     secondRevision = REVISION_HEAD;
199                     secondTitle = MessageFormat.format(loc.getString("MSG_DiffPanel_RemoteModified"), new Object   [] { secondRevision });
200                 }            
201                 break;
202 
203             default:
204                 throw new IllegalArgumentException  ("Unknow diff type: " + type); // NOI18N
205         }
206 
207         firstSource = new DiffStreamSource(baseFile, firstRevision, firstTitle);
208         secondSource = new DiffStreamSource(baseFile, secondRevision, secondTitle);
209         title = "<html>" + Subversion.getInstance().getAnnotator().annotateNameHtml(baseFile, info); // NOI18N
210     }
211 
212     /**
213      * Text file setup for arbitrary revisions.
214      * @param firstRevision first revision or <code>null</code> for inital.
215      * @param secondRevision second revision
216      */
217     public Setup(File   baseFile, String   firstRevision, String   secondRevision) {
218         this.baseFile = baseFile;
219         this.firstRevision = firstRevision;
220         this.secondRevision = secondRevision;
221         firstSource = new DiffStreamSource(baseFile, firstRevision, firstRevision);
222         secondSource = new DiffStreamSource(baseFile, secondRevision, secondRevision);
223     }
224 
225     public File   getBaseFile() {
226         return baseFile;
227     }
228 
229     public void setView(DiffView view) {
230         this.view = view;
231     }
232 
233     public DiffView getView() {
234         return view;
235     }
236 
237     public StreamSource getFirstSource() {
238         return firstSource;
239     }
240 
241     public StreamSource getSecondSource() {
242         return secondSource;
243     }
244 
245     public String   toString() {
246         return title;
247     }
248 
249     /**
250      * Loads data over network
251      * @param group that carries shared state. Note that this group must not be executed later on. 
252      */
253     void initSources() throws IOException   {
254         if (firstSource != null) firstSource.init();
255         if (secondSource != null) secondSource.init();
256     }
257 
258     private static boolean match(int status, int mask) {
259         return (status & mask) != 0;
260     }
261 }
262
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