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
|
/*******************************************************************************
* Copyright (c) 2000, 2008 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.jdt.launching.sourcelookup;
import java.io.IOException;
import java.io.StringReader;
import java.util.ArrayList;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.PlatformObject;
import org.eclipse.core.runtime.Status;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.IPackageFragmentRoot;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.internal.launching.LaunchingMessages;
import org.eclipse.jdt.internal.launching.LaunchingPlugin;
import org.eclipse.jdt.launching.IJavaLaunchConfigurationConstants;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
/**
* Locates source elements in all source folders of the
* given Java project. Returns instances of <code>ICompilationUnit</code>
* and </code>IClassFile</code>.
* <p>
* This class may be instantiated.
* </p>
* @see IJavaSourceLocation
* @since 2.0
* @deprecated In 3.0, the debug platform provides source lookup facilities that
* should be used in place of the Java source lookup support provided in 2.0.
* The new facilities provide a source lookup director that coordinates source
* lookup among a set of participants, searching a set of source containers.
* See the following packages: <code>org.eclipse.debug.core.sourcelookup</code>
* and <code>org.eclipse.debug.core.sourcelookup.containers</code>. This class
* has been replaced by
* <code>org.eclipse.jdt.launching.sourcelookup.containers.JavaProjectSourceContainer</code>.
* @noextend This class is not intended to be subclassed by clients.
*/
@Deprecated
public class JavaProjectSourceLocation extends PlatformObject implements IJavaSourceLocation {
/**
* The project associated with this source location
*/
private IJavaProject fProject;
/**
* Corresponding package fragment root locations.
*/
private IJavaSourceLocation[] fRootLocations = null;
/**
* Constructs a new empty source location to be initialized
* by a memento.
*/
public JavaProjectSourceLocation() {
}
/**
* Constructs a new source location that will retrieve source
* elements from the given Java project.
*
* @param project Java project
*/
public JavaProjectSourceLocation(IJavaProject project) {
setJavaProject(project);
}
/* (non-Javadoc)
* @see org.eclipse.jdt.launching.sourcelookup.IJavaSourceLocation#findSourceElement(java.lang.String)
*/
public Object findSourceElement(String name) throws CoreException {
if (fRootLocations != null) {
for (int i = 0; i < fRootLocations.length; i++) {
Object element = fRootLocations[i].findSourceElement(name);
if (element != null) {
return element;
}
}
}
return null;
}
/**
* Sets the Java project in which source elements will
* be searched for.
*
* @param project Java project
*/
private void setJavaProject(IJavaProject project) {
fProject = project;
fRootLocations = null;
if (fProject != null) {
try {
IPackageFragmentRoot[] roots = project.getPackageFragmentRoots();
ArrayList list = new ArrayList(roots.length);
for (int i = 0; i < roots.length; i++) {
if (roots[i].getKind() == IPackageFragmentRoot.K_SOURCE) {
list.add(new PackageFragmentRootSourceLocation(roots[i]));
}
}
fRootLocations = (IJavaSourceLocation[])list.toArray(new IJavaSourceLocation[list.size()]);
} catch (JavaModelException e) {
LaunchingPlugin.log(e);
}
}
}
/**
* Returns the Java project associated with this source
* location.
*
* @return Java project
*/
public IJavaProject getJavaProject() {
return fProject;
}
/* (non-Javadoc)
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object object) {
return object instanceof JavaProjectSourceLocation &&
getJavaProject().equals(((JavaProjectSourceLocation)object).getJavaProject());
}
/* (non-Javadoc)
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
return getJavaProject().hashCode();
}
/* (non-Javadoc)
* @see org.eclipse.jdt.launching.sourcelookup.IJavaSourceLocation#getMemento()
*/
public String getMemento() throws CoreException {
Document doc = DebugPlugin.newDocument();
Element node = doc.createElement("javaProjectSourceLocation"); //$NON-NLS-1$
doc.appendChild(node);
node.setAttribute("name", getJavaProject().getElementName()); //$NON-NLS-1$
return DebugPlugin.serializeDocument(doc);
}
/* (non-Javadoc)
* @see org.eclipse.jdt.launching.sourcelookup.IJavaSourceLocation#initializeFrom(java.lang.String)
*/
public void initializeFrom(String memento) throws CoreException {
Exception ex = null;
try {
Element root = null;
DocumentBuilder parser =
DocumentBuilderFactory.newInstance().newDocumentBuilder();
parser.setErrorHandler(new DefaultHandler());
StringReader reader = new StringReader(memento);
InputSource source = new InputSource(reader);
root = parser.parse(source).getDocumentElement();
String name = root.getAttribute("name"); //$NON-NLS-1$
if (isEmpty(name)) {
abort(LaunchingMessages.JavaProjectSourceLocation_Unable_to_initialize_source_location___missing_project_name_3, null);
} else {
IProject proj = ResourcesPlugin.getWorkspace().getRoot().getProject(name);
setJavaProject(JavaCore.create(proj));
}
return;
} catch (ParserConfigurationException e) {
ex = e;
} catch (SAXException e) {
ex = e;
} catch (IOException e) {
ex = e;
}
abort(LaunchingMessages.JavaProjectSourceLocation_Exception_occurred_initializing_source_location__4, ex);
}
private boolean isEmpty(String string) {
return string == null || string.length() == 0;
}
/*
* Throws an internal error exception
*/
private void abort(String message, Throwable e) throws CoreException {
IStatus s = new Status(IStatus.ERROR, LaunchingPlugin.getUniqueIdentifier(), IJavaLaunchConfigurationConstants.ERR_INTERNAL_ERROR, message, e);
throw new CoreException(s);
}
}
|
