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1
11 package org.eclipse.team.core.mapping.provider;
12
13 import java.util.*;
14
15 import org.eclipse.core.resources.IResource;
16 import org.eclipse.core.resources.ResourcesPlugin;
17 import org.eclipse.core.resources.mapping.ResourceTraversal;
18 import org.eclipse.core.runtime.*;
19 import org.eclipse.team.core.diff.*;
20 import org.eclipse.team.core.diff.provider.DiffTree;
21 import org.eclipse.team.core.mapping.IResourceDiff;
22 import org.eclipse.team.core.mapping.IResourceDiffTree;
23
24
31 public class ResourceDiffTree extends DiffTree implements IResourceDiffTree {
32
33
39 public static IResource getResourceFor(IDiff node) {
40 if (node instanceof IResourceDiff) {
41 IResourceDiff rd = (IResourceDiff) node;
42 return rd.getResource();
43 }
44 if (node instanceof IThreeWayDiff) {
45 IThreeWayDiff twd = (IThreeWayDiff) node;
46 IDiff child = twd.getLocalChange();
47 if (child != null)
48 return getResourceFor(child);
49 child = twd.getRemoteChange();
50 if (child != null)
51 return getResourceFor(child);
52 }
53 Assert.isLegal(false);
54 return null;
55 }
56
57
60 public IDiff getDiff(IResource resource) {
61 return getDiff(resource.getFullPath());
62 }
63
64
67 public IResource getResource(IDiff diff) {
68 if (diff instanceof IThreeWayDiff) {
69 IThreeWayDiff twd = (IThreeWayDiff) diff;
70 IResourceDiff localChange = ((IResourceDiff)twd.getLocalChange());
71 if (localChange != null)
72 return localChange.getResource();
73 return ((IResourceDiff)twd.getRemoteChange()).getResource();
74 } else {
75 return ((IResourceDiff)diff).getResource();
76 }
77 }
78
79
82 public void accept(ResourceTraversal[] traversals, IDiffVisitor visitor) {
83 for (int i = 0; i < traversals.length; i++) {
84 ResourceTraversal traversal = traversals[i];
85 IResource[] resources = traversal.getResources();
86 for (int j = 0; j < resources.length; j++) {
87 IResource resource = resources[j];
88 accept(resource.getFullPath(), visitor, traversal.getDepth());
89 }
90 }
91 }
92
93
96 public IDiff[] getDiffs(final ResourceTraversal[] traversals) {
97 final Set result = new HashSet();
98 for (int i = 0; i < traversals.length; i++) {
99 ResourceTraversal traversal = traversals[i];
100 IResource[] resources = traversal.getResources();
101 for (int j = 0; j < resources.length; j++) {
102 IResource resource = resources[j];
103 internalGetDiffs(resource, traversal.getDepth(), result);
104 }
105 }
106 return (IDiff[]) result.toArray(new IDiff[result.size()]);
107 }
108
109
112 public IDiff[] getDiffs(IResource resource, int depth) {
113 final Set result = new HashSet();
114 internalGetDiffs(resource, depth, result);
115 return (IDiff[]) result.toArray(new IDiff[result.size()]);
116 }
117
118 private void internalGetDiffs(IResource resource, int depth, final Set result) {
119 accept(resource.getFullPath(), new IDiffVisitor() {
120 public boolean visit(IDiff diff) {
121 return result.add(diff);
122 }
123 }, depth);
124 }
125
126 private IResource internalGetResource(IPath fullPath, boolean container) {
127 if (container) {
128 if (fullPath.segmentCount() == 1)
129 return ResourcesPlugin.getWorkspace().getRoot().getProject(fullPath.segment(0));
130 return ResourcesPlugin.getWorkspace().getRoot().getFolder(fullPath);
131 }
132 return ResourcesPlugin.getWorkspace().getRoot().getFile(fullPath);
133 }
134
135
138 public IResource[] members(IResource resource) {
139 List result = new ArrayList();
140 IPath[] paths = getChildren(resource.getFullPath());
141 for (int i = 0; i < paths.length; i++) {
142 IPath path = paths[i];
143 IDiff node = getDiff(path);
144 if (node == null) {
145 result.add(internalGetResource(path, true));
146 } else {
147 result.add(getResource(node));
148 }
149 }
150 return (IResource[]) result.toArray(new IResource[result.size()]);
151 }
152
153
156 public IResource[] getAffectedResources() {
157 List result = new ArrayList();
158 IDiff[] nodes = getDiffs();
159 for (int i = 0; i < nodes.length; i++) {
160 IDiff node = nodes[i];
161 result.add(getResource(node));
162 }
163 return (IResource[]) result.toArray(new IResource[result.size()]);
164 }
165
166
169 public void add(IDiff delta) {
170 Assert.isTrue(delta instanceof IResourceDiff || delta instanceof IThreeWayDiff);
171 super.add(delta);
172 }
173
174
179 public void remove(IResource resource) {
180 remove(resource.getFullPath());
181 }
182
183 public boolean hasMatchingDiffs(ResourceTraversal[] traversals, final FastDiffFilter filter) {
184 final RuntimeException  found = new RuntimeException ();
185 try {
186 accept(traversals, new IDiffVisitor() {
187 public boolean visit(IDiff delta) {
188 if (filter.select(delta)) {
189 throw found;
190 }
191 return false;
192 }
193
194 });
195 } catch (RuntimeException e) {
196 if (e == found)
197 return true;
198 throw e;
199 }
200 return false;
201 }
202 }
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