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Java > Open Source Codes > org > eclipse > team > internal > ccvs > ui > tags > LocalProjectTagSource


1 /*******************************************************************************
2  * Copyright (c) 2000, 2006 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Eclipse Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/epl-v10.html
7  *
8  * Contributors:
9  * IBM Corporation - initial API and implementation
10  *******************************************************************************/
11 package org.eclipse.team.internal.ccvs.ui.tags;
12
13 import java.util.ArrayList JavaDoc;
14 import java.util.Arrays JavaDoc;
15 import java.util.HashSet JavaDoc;
16 import java.util.List JavaDoc;
17 import java.util.Set JavaDoc;
18
19 import org.eclipse.core.resources.IProject;
20 import org.eclipse.core.resources.ResourcesPlugin;
21 import org.eclipse.core.runtime.IProgressMonitor;
22 import org.eclipse.osgi.util.NLS;
23 import org.eclipse.team.core.RepositoryProvider;
24 import org.eclipse.team.core.TeamException;
25 import org.eclipse.team.internal.ccvs.core.*;
26 import org.eclipse.team.internal.ccvs.core.resources.CVSWorkspaceRoot;
27 import org.eclipse.team.internal.ccvs.ui.CVSUIMessages;
28 import org.eclipse.team.internal.ccvs.ui.CVSUIPlugin;
29
30 /**
31  * Tag source that gets its tags from the projects exist in the workspace
32  */
33 public class LocalProjectTagSource extends TagSource {
34     
35     public static TagSource create(IProject seedProject) {
36         try {
37             ICVSRemoteFolder seedFolder = ((ICVSRemoteFolder)CVSWorkspaceRoot.getRemoteResourceFor(seedProject));
38             ICVSRemoteFolder[] remoteFolders = getProjectRemoteFolders();
39             if (remoteFolders.length == 1) {
40                 // There are no other projects to get tags from so return null
41 return null;
42             }
43             return new LocalProjectTagSource(seedFolder, remoteFolders);
44         } catch (CVSException e) {
45             // Log and return null
46 CVSUIPlugin.log(e);
47             return null;
48         }
49     }
50     
51     private ICVSRemoteFolder seedFolder;
52     private ICVSRemoteFolder[] remoteFolders;
53
54     private LocalProjectTagSource(ICVSRemoteFolder seedFolder, ICVSRemoteFolder[] remoteFolders) {
55         this.seedFolder = seedFolder;
56         this.remoteFolders = remoteFolders;
57     }
58
59     /*
60      * Return the list of remote folders for the projects in the workspace mapped to the given repository
61      */
62     private static ICVSRemoteFolder[] getProjectRemoteFolders() {
63         IProject[] projects = ResourcesPlugin.getWorkspace().getRoot().getProjects();
64         List JavaDoc result = new ArrayList JavaDoc();
65         for (int i = 0; i < projects.length; i++) {
66             IProject project = projects[i];
67             try {
68                 if (project.isAccessible() && RepositoryProvider.isShared(project)) {
69                     ICVSRemoteFolder remote = (ICVSRemoteFolder)CVSWorkspaceRoot.getRemoteResourceFor(project);
70                     if (remote != null) {
71                         result.add(remote);
72                     }
73                 }
74             } catch (CVSException e) {
75                 // Log and continue
76 CVSUIPlugin.log(e);
77             }
78         }
79         return (ICVSRemoteFolder[]) result.toArray(new ICVSRemoteFolder[result.size()]);
80     }
81
82     /* (non-Javadoc)
83      * @see org.eclipse.team.internal.ccvs.ui.tags.TagSource#refresh(boolean, org.eclipse.core.runtime.IProgressMonitor)
84      */
85     public CVSTag[] refresh(boolean bestEffort, IProgressMonitor monitor) throws TeamException {
86         // This tag source should not be refreshed
87 return new CVSTag[0];
88     }
89
90     /* (non-Javadoc)
91      * @see org.eclipse.team.internal.ccvs.ui.tags.TagSource#getLocation()
92      */
93     public ICVSRepositoryLocation getLocation() {
94         return seedFolder.getRepository();
95     }
96
97     /* (non-Javadoc)
98      * @see org.eclipse.team.internal.ccvs.ui.tags.TagSource#getShortDescription()
99      */
100     public String JavaDoc getShortDescription() {
101         return NLS.bind(CVSUIMessages.LocalProjectTagSource_0, new String JavaDoc[] { Integer.toString(remoteFolders.length) });
102     }
103
104     /* (non-Javadoc)
105      * @see org.eclipse.team.internal.ccvs.ui.tags.TagSource#commit(org.eclipse.team.internal.ccvs.core.CVSTag[], boolean, org.eclipse.core.runtime.IProgressMonitor)
106      */
107     public void commit(CVSTag[] tags, boolean replace, IProgressMonitor monitor) throws CVSException {
108         // Does not commit tags
109 }
110
111     /* (non-Javadoc)
112      * @see org.eclipse.team.internal.ccvs.ui.tags.TagSource#getCVSResources()
113      */
114     public ICVSResource[] getCVSResources() {
115         return remoteFolders;
116     }
117     
118     /* (non-Javadoc)
119      * @see org.eclipse.team.internal.ccvs.ui.tags.TagSource#getTags(int)
120      */
121     public CVSTag[] getTags(int type) {
122         if (type == CVSTag.HEAD || type == BASE) {
123             return super.getTags(type);
124         }
125         // Accumulate the tags for all folders
126 Set JavaDoc allTags = new HashSet JavaDoc();
127         for (int i = 0; i < remoteFolders.length; i++) {
128             ICVSRemoteFolder folder = remoteFolders[i];
129             CVSTag[] tags = SingleFolderTagSource.getTags(folder, type);
130             allTags.addAll(Arrays.asList(tags));
131         }
132         // Exclude the tags for the seedFolder
133 CVSTag[] tags = SingleFolderTagSource.getTags(seedFolder, type);
134         allTags.removeAll(Arrays.asList(tags));
135         return (CVSTag[]) allTags.toArray(new CVSTag[allTags.size()]);
136     }
137
138 }
139
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