Java tutorial
import java.io.ByteArrayOutputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.Collections; import java.util.List; import java.util.regex.Matcher; import java.util.regex.Pattern; /* * JBoss DNA (http://www.jboss.org/dna) * See the COPYRIGHT.txt file distributed with this work for information * regarding copyright ownership. Some portions may be licensed * to Red Hat, Inc. under one or more contributor license agreements. * See the AUTHORS.txt file in the distribution for a full listing of * individual contributors. * * JBoss DNA is free software. Unless otherwise indicated, all code in JBoss DNA * is licensed to you under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * JBoss DNA is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ /** * Utilities for string processing and manipulation. */ public class StringUtil { /** * Get the stack trace of the supplied exception. * * @param throwable the exception for which the stack trace is to be returned * @return the stack trace, or null if the supplied exception is null */ public static String getStackTrace(Throwable throwable) { if (throwable == null) return null; final ByteArrayOutputStream bas = new ByteArrayOutputStream(); final PrintWriter pw = new PrintWriter(bas); throwable.printStackTrace(pw); pw.close(); return bas.toString(); } }