/* | |
* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
* distributed with this work for additional information | |
* regarding copyright ownership. The ASF licenses this file | |
* to you under the Apache License, Version 2.0 (the | |
* "License"); you may not use this file except in compliance | |
* with the License. You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, | |
* software distributed under the License is distributed on an | |
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
* KIND, either express or implied. See the License for the | |
* specific language governing permissions and limitations | |
* under the License. | |
*/ | |
package org.apache.uima.pear; | |
import java.util.ArrayList; | |
import org.eclipse.core.runtime.IStatus; | |
import org.eclipse.core.runtime.MultiStatus; | |
import org.eclipse.core.runtime.Status; | |
import org.eclipse.jface.dialogs.ErrorDialog; | |
import org.eclipse.swt.widgets.Shell; | |
/** | |
* | |
* This is the generic exception used to handle exceptions related to PEAR. | |
* | |
*/ | |
public class PearException extends Exception { | |
public static final String PLUGIN_ID = "org.apache.uima.pear"; //$NON-NLS-1$ | |
private static final long serialVersionUID = 1L; | |
/** | |
* | |
*/ | |
public PearException() { | |
super(); | |
} | |
/** | |
* @param message | |
*/ | |
public PearException(String message) { | |
super(message); | |
} | |
/** | |
* @param cause | |
*/ | |
public PearException(Throwable cause) { | |
super(cause); | |
} | |
/** | |
* @param message | |
* @param cause | |
*/ | |
public PearException(String message, Throwable cause) { | |
super(message, cause); | |
} | |
IStatus[] getCustomStackTrace() { | |
Object[] o = getCustomStackTrace(getCause()).toArray(); | |
if (o != null) { | |
IStatus[] sa = new IStatus[o.length]; | |
for (int i = 0; i < o.length; i++) | |
sa[i] = (IStatus) o[i]; | |
return sa; | |
} else | |
return new IStatus[0]; | |
} | |
synchronized ArrayList getCustomStackTrace(Throwable e) { | |
ArrayList a = new ArrayList(); | |
if (e != null) { | |
String msg = e.getMessage(); | |
msg = msg == null ? "" : msg; //$NON-NLS-1$ | |
a.add(new Status(IStatus.ERROR, PLUGIN_ID, IStatus.ERROR, msg, e)); | |
StackTraceElement[] trace = e.getStackTrace(); | |
for (int i = 0; i < trace.length; i++) { | |
a.add(new Status(IStatus.ERROR, PLUGIN_ID, IStatus.ERROR, " at " + trace[i], e)); | |
} | |
Throwable aCause = e.getCause(); | |
if (aCause != null) | |
a.addAll(getCustomStackTrace(aCause)); | |
} | |
return a; | |
} | |
/** | |
* opens an ErrorDialog with details about this exception. | |
* | |
* @param shell | |
*/ | |
public void openErrorDialog(Shell shell) { | |
try { | |
getCause().printStackTrace(); | |
String msg = getCause().getMessage(); | |
msg = msg == null ? "" : msg; //$NON-NLS-1$ | |
MultiStatus status = new MultiStatus(PLUGIN_ID, IStatus.ERROR, getCustomStackTrace(), msg, | |
getCause()); | |
ErrorDialog.openError(shell, "Operation Error", getMessage() | |
+ " \nPlease see the details (below).", status, 0xFFFF); | |
} catch (Throwable th) { | |
th.printStackTrace(); | |
} | |
} | |
/** | |
* opens an ErrorDialog with details about a given exception. | |
* | |
* @param e | |
* An exception | |
* @param shell | |
* A shell | |
*/ | |
public static void openErrorDialog(Throwable e, Shell shell) { | |
PearException subEx = new PearException("An error occured during the requested operation.", e); | |
subEx.openErrorDialog(shell); | |
} | |
} |