blob: ed468befa8439673864dd8caf95b54637ab3343f (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
/*******************************************************************************
* Copyright (c) 2006, 2011 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.compare.internal.patch;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.util.List;
import org.eclipse.compare.CompareUI;
import org.eclipse.compare.IEncodedStreamContentAccessor;
import org.eclipse.compare.ITypedElement;
import org.eclipse.compare.internal.CompareUIPlugin;
import org.eclipse.compare.internal.core.patch.DiffProject;
import org.eclipse.compare.internal.core.patch.FileDiffResult;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.resource.LocalResourceManager;
import org.eclipse.swt.graphics.Image;
public class PatchFileTypedElement implements ITypedElement,
IEncodedStreamContentAccessor {
private final FileDiffResult result;
private final boolean isAfterState;
public PatchFileTypedElement(FileDiffResult result, boolean isAfterState) {
this.result = result;
this.isAfterState = isAfterState;
}
@Override
public Image getImage() {
IFile file = getPatcher().getTargetFile(result.getDiff());
if (file == null) {
// We don't get a target file if the file doesn't exist
DiffProject project = result.getDiff().getProject();
if (project != null) {
file = Utilities.getProject(project).getFile(
result.getDiff().getPath(
result.getConfiguration().isReversed()));
} else {
IResource target = getPatcher().getTarget();
if (target instanceof IFile) {
file = (IFile) target;
} else if (target instanceof IContainer) {
IContainer container = (IContainer) target;
file = container.getFile(result.getTargetPath());
}
}
}
Image image = null;
if (file != null) {
image = CompareUI.getImage(file);
}
if (result.containsProblems()) {
LocalResourceManager imageCache = PatchCompareEditorInput
.getImageCache(result.getConfiguration());
image = HunkTypedElement.getHunkErrorImage(image, imageCache, true);
}
return image;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.compare.ITypedElement#getName()
*/
@Override
public String getName() {
return result.getTargetPath().toString();
}
/*
* (non-Javadoc)
*
* @see org.eclipse.compare.ITypedElement#getType()
*/
@Override
public String getType() {
return result.getTargetPath().getFileExtension();
}
@Override
public String getCharset() throws CoreException {
return result.getCharset();
}
@Override
public InputStream getContents() throws CoreException {
// If there are cached contents, use them
if (isAfterState && getPatcher().hasCachedContents(result.getDiff()))
return new ByteArrayInputStream(getPatcher().getCachedContents(
result.getDiff()));
// Otherwise, get the lines from the diff result
List lines;
if (isAfterState) {
lines = result.getAfterLines();
} else {
lines = result.getBeforeLines();
}
String contents = LineReader.createString(getPatcher()
.isPreserveLineDelimeters(), lines);
String charSet = getCharset();
byte[] bytes = null;
if (charSet != null) {
try {
bytes = contents.getBytes(charSet);
} catch (UnsupportedEncodingException e) {
CompareUIPlugin.log(e);
}
}
if (bytes == null) {
bytes = contents.getBytes();
}
return new ByteArrayInputStream(bytes);
}
private Patcher getPatcher() {
return Patcher.getPatcher(result.getConfiguration());
}
}
|
