/*******************************************************************************
* Copyright (c) 2006, 2009 Wind River Systems 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.dsf.concurrent;
/**
* Untility class for easy pretty-printing stack traces. Local to the
* concurrent package.
*
* @since 1.0
*/
@Immutable
class StackTraceWrapper {
final StackTraceElement[] fStackTraceElements;
StackTraceWrapper(StackTraceElement[] elements) { fStackTraceElements = elements; }
@Override
public String toString() {
final int MAX_FRAMES = 10;
final int count = Math.min(fStackTraceElements.length, MAX_FRAMES);
StringBuilder builder = new StringBuilder(fStackTraceElements.length * 30);
int i = 0;
while (true) {
builder.append('\t');
builder.append(fStackTraceElements[i]);
if (++i == count) {
// last iteration
if (fStackTraceElements.length > count) {
builder.append("\n\t..."); //$NON-NLS-1$
}
break;
}
else {
builder.append('\n');
}
}
return builder.toString();
}
}