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1
11 package org.eclipse.ui.internal.misc;
12
13 import java.lang.reflect.InvocationTargetException  ;
14 import java.lang.reflect.Method ;
15 import java.util.ArrayList ;
16 import java.util.Iterator ;
17 import java.util.List ;
18
19 import org.eclipse.core.runtime.Assert;
20 import org.eclipse.core.runtime.CoreException;
21 import org.eclipse.core.runtime.IStatus;
22 import org.eclipse.core.runtime.MultiStatus;
23 import org.eclipse.core.runtime.Status;
24 import org.eclipse.swt.widgets.Shell;
25 import org.eclipse.ui.internal.WorkbenchMessages;
26 import org.eclipse.ui.internal.WorkbenchPlugin;
27 import org.eclipse.ui.statushandlers.StatusManager;
28
29
35 public class StatusUtil {
36
39 protected static List flatten(IStatus aStatus) {
40 List result = new ArrayList ();
41
42 if (aStatus.isMultiStatus()) {
43 IStatus[] children = aStatus.getChildren();
44 for (int i = 0; i < children.length; i++) {
45 IStatus currentChild = children[i];
46 if (currentChild.isMultiStatus()) {
47 Iterator childStatiiEnum = flatten(currentChild).iterator();
48 while (childStatiiEnum.hasNext()) {
49 result.add(childStatiiEnum.next());
50 }
51 } else {
52 result.add(currentChild);
53 }
54 }
55 } else {
56 result.add(aStatus);
57 }
58
59 return result;
60 }
61
62
67 protected static IStatus newStatus(IStatus[] stati, String message,
68 Throwable exception) {
69
70 Assert.isTrue(message != null);
71 Assert.isTrue(message.trim().length() != 0);
72
73 return new MultiStatus(WorkbenchPlugin.PI_WORKBENCH, IStatus.ERROR,
74 stati, message, exception);
75 }
76
77 public static IStatus newStatus(String pluginId, Throwable exception) {
78 return newStatus(pluginId, getLocalizedMessage(exception), exception);
79 }
80
81
88 public static String getLocalizedMessage(Throwable exception) {
89 String message = exception.getLocalizedMessage();
90
91 if (message != null) {
92 return message;
93 }
94
95 if (exception instanceof CoreException) {
98 CoreException ce = (CoreException)exception;
99 return ce.getStatus().getMessage();
100 }
101
102 return WorkbenchMessages.StatusUtil_errorOccurred;
103 }
104
105
112 public static IStatus newStatus(IStatus originalStatus, String newMessage) {
113 return new Status(originalStatus.getSeverity(),
114 originalStatus.getPlugin(), originalStatus.getCode(), newMessage, originalStatus.getException());
115 }
116
117 public static IStatus newStatus(String pluginId, String message, Throwable exception) {
118 return new Status(IStatus.ERROR, pluginId, IStatus.OK,
119 message, getCause(exception));
120 }
121
122 public static Throwable getCause(Throwable exception) {
123 Throwable cause = null;
126 if (exception != null) {
127 if (exception instanceof CoreException) {
128 CoreException ce = (CoreException)exception;
133 cause = ce.getStatus().getException();
134 } else {
135 try {
137 Method causeMethod = exception.getClass().getMethod("getCause", new Class [0]); Object o = causeMethod.invoke(exception, new Object [0]);
139 if (o instanceof Throwable ) {
140 cause = (Throwable ) o;
141 }
142 }
143 catch (NoSuchMethodException e) {
144 } catch (IllegalArgumentException e) {
146 } catch (IllegalAccessException e) {
148 } catch (InvocationTargetException e) {
150 }
152 }
153
154 if (cause == null) {
155 cause = exception;
156 }
157 }
158
159 return cause;
160 }
161
162
167 public static IStatus newStatus(int severity, String message,
168 Throwable exception) {
169
170 String statusMessage = message;
171 if (message == null || message.trim().length() == 0) {
172 if (exception.getMessage() == null) {
173 statusMessage = exception.toString();
174 } else {
175 statusMessage = exception.getMessage();
176 }
177 }
178
179 return new Status(severity, WorkbenchPlugin.PI_WORKBENCH, severity,
180 statusMessage, getCause(exception));
181 }
182
183
188 public static IStatus newStatus(List children, String message,
189 Throwable exception) {
190
191 List flatStatusCollection = new ArrayList ();
192 Iterator iter = children.iterator();
193 while (iter.hasNext()) {
194 IStatus currentStatus = (IStatus) iter.next();
195 Iterator childrenIter = flatten(currentStatus).iterator();
196 while (childrenIter.hasNext()) {
197 flatStatusCollection.add(childrenIter.next());
198 }
199 }
200
201 IStatus[] stati = new IStatus[flatStatusCollection.size()];
202 flatStatusCollection.toArray(stati);
203 return newStatus(stati, message, exception);
204 }
205
206
211 public static void handleStatus(IStatus status, int hint, Shell shell) {
212 StatusManager.getManager().handle(status, hint);
213 }
214
215
220 public static void handleStatus(Throwable e, int hint) {
221 StatusManager.getManager().handle(
222 newStatus(WorkbenchPlugin.PI_WORKBENCH, e), hint);
223 }
224
225
230 public static void handleStatus(String message, Throwable e, int hint) {
231 StatusManager.getManager().handle(
232 newStatus(WorkbenchPlugin.PI_WORKBENCH, message, e), hint);
233 }
234
235
240 public static void handleStatus(String message, Throwable e, int hint,
241 Shell shell) {
242 StatusManager.getManager().handle(
243 newStatus(WorkbenchPlugin.PI_WORKBENCH, message, e), hint);
244 }
245
246
251 public static void handleStatus(IStatus status, String message, int hint) {
252 StatusManager.getManager().handle(newStatus(status, message), hint);
253 }
254
255
260 public static void handleStatus(IStatus status, String message, int hint,
261 Shell shell) {
262 StatusManager.getManager().handle(newStatus(status, message), hint);
263 }
264
265
270 public static void handleStatus(String message, int hint) {
271 handleStatus(message, null, hint);
272 }
273
274
279 public static void handleStatus(String message, int hint, Shell shell) {
280 handleStatus(message, null, hint);
281 }
282 }
283 |
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