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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
|
/**
* Copyright (c) 2004-2007 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 - Initial API and implementation
*/
package org.eclipse.emf.common.ui;
import java.io.File;
import java.lang.reflect.Constructor;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IMemento;
import org.eclipse.ui.IPersistableElement;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Platform;
import org.eclipse.emf.common.EMFPlugin;
import org.eclipse.emf.common.util.URI;
import org.osgi.framework.Bundle;
/**
* An implementation of an {@link org.eclipse.ui.IEditorInput} to wrap
* a {@link org.eclipse.emf.common.util.URI}.
*/
public class URIEditorInput implements IEditorInput, IPersistableElement
{
private URI uri;
private String name;
public URIEditorInput(URI uri)
{
this.uri = uri;
}
public URIEditorInput(URI uri, String name)
{
this.uri = uri;
this.name = name;
}
public URIEditorInput(IMemento memento)
{
loadState(memento);
}
@Override
public int hashCode()
{
return uri.hashCode();
}
@Override
public boolean equals(Object o)
{
return this == o || o instanceof URIEditorInput && uri.equals(((URIEditorInput)o).getURI());
}
/**
* @return the uri
*/
public URI getURI()
{
return uri;
}
/**
* Returns <b>true</b> only if the URI represents a file and if this file exists.
* @see org.eclipse.ui.IEditorInput#exists()
*/
public boolean exists()
{
if (getURI().isFile())
{
return new File(getURI().toFileString()).exists();
}
else
{
if (EMFPlugin.IS_RESOURCES_BUNDLE_AVAILABLE)
{
return EclipseUtil.exists(uri);
}
else
{
return false;
}
}
}
/**
* Returns the <i>toString</i> value of the associated URI.
* @see org.eclipse.ui.IEditorInput#getName()
*/
public String getName()
{
if (name == null)
{
URI uri = getURI();
return URI.decode(uri.isHierarchical() && uri.lastSegment() != null ? uri.lastSegment() : uri.toString());
}
else
{
return name;
}
}
public String getToolTipText()
{
return getURI().toString();
}
public ImageDescriptor getImageDescriptor()
{
return null;
}
public IPersistableElement getPersistable()
{
return this;
}
@SuppressWarnings({ "rawtypes", "unchecked" })
public Object getAdapter(Class adapter)
{
if (EMFPlugin.IS_RESOURCES_BUNDLE_AVAILABLE)
{
Object result = EclipseUtil.getAdapter(adapter, uri);
if (result != null)
{
return result;
}
}
return null;
}
public String getFactoryId()
{
return URIEditorInputFactory.ID;
}
protected String getBundleSymbolicName()
{
return CommonUIPlugin.getPlugin().getSymbolicName();
}
protected static final String BUNDLE_TAG = "bundle";
protected static final String CLASS_TAG = "class";
protected static final String URI_TAG = "uri";
protected static final String NAME_TAG = "name";
static URIEditorInput create(IMemento memento)
{
String bundleSymbolicName = memento.getString(BUNDLE_TAG);
String className = memento.getString(CLASS_TAG);
try
{
Bundle bundle = Platform.getBundle(bundleSymbolicName);
Class<?> theClass = bundle.loadClass(className);
Constructor<?> constructor = theClass.getConstructor(IMemento.class);
return (URIEditorInput)constructor.newInstance(memento);
}
catch (Exception exception)
{
CommonUIPlugin.INSTANCE.log(exception);
return new URIEditorInput(memento);
}
}
public void saveState(IMemento memento)
{
memento.putString(BUNDLE_TAG, getBundleSymbolicName());
memento.putString(CLASS_TAG, getClass().getName());
memento.putString(URI_TAG, uri.toString());
memento.putString(NAME_TAG, name);
}
protected void loadState(IMemento memento)
{
uri = URI.createURI(memento.getString(URI_TAG));
name = memento.getString(NAME_TAG);
}
protected static class EclipseUtil
{
/**
* @deprecated
* @see #getAdapter(Class, URI)
*/
@Deprecated
public static Object getAdatper(Class<?> adapter, URI uri)
{
return getAdapter(adapter, uri);
}
public static Object getAdapter(Class<?> adapter, URI uri)
{
if ((adapter == IFile.class || adapter == IResource.class) && uri.isPlatformResource())
{
return ResourcesPlugin.getWorkspace().getRoot().getFile(new Path(uri.toPlatformString(true)));
}
else
{
return null;
}
}
public static boolean exists(URI uri)
{
if (uri.isPlatformResource())
{
return ResourcesPlugin.getWorkspace().getRoot().getFile(new Path(uri.toPlatformString(true))).exists();
}
else
{
return false;
}
}
}
}
|
