org.fabric3.spi.component.GroupInitializationException Maven / Gradle / Ivy

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/*
 * Fabric3
 * Copyright (c) 2009 Metaform Systems
 *
 * Fabric3 is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 3 of
 * the License, or (at your option) any later version, with the
 * following exception:
 *
 * Linking this software statically or dynamically with other
 * modules is making a combined work based on this software.
 * Thus, the terms and conditions of the GNU General Public
 * License cover the whole combination.
 *
 * As a special exception, the copyright holders of this software
 * give you permission to link this software with independent
 * modules to produce an executable, regardless of the license
 * terms of these independent modules, and to copy and distribute
 * the resulting executable under terms of your choice, provided
 * that you also meet, for each linked independent module, the
 * terms and conditions of the license of that module. An
 * independent module is a module which is not derived from or
 * based on this software. If you modify this software, you may
 * extend this exception to your version of the software, but
 * you are not obligated to do so. If you do not wish to do so,
 * delete this exception statement from your version.
 *
 * Fabric3 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 General Public License for more details.
 *
 * You should have received a copy of the
 * GNU General Public License along with Fabric3.
 * If not, see .
 *
 * ----------------------------------------------------
 *
 * Portions originally based on Apache Tuscany 2007
 * licensed under the Apache 2.0 license.
 *
 */
package org.fabric3.spi.component;

import java.io.PrintStream;
import java.io.PrintWriter;
import java.util.List;

/**
 * @version $Rev: 9094 $ $Date: 2010-06-05 20:51:09 +0000 (Sat, 05 Jun 2010) $
 */
public class GroupInitializationException extends InstanceLifecycleException {
    private static final long serialVersionUID = 2049226987838195489L;
    private final List causes;

    /**
     * Exception indicating a problem initializing a group of components.
     *
     * @param causes the individual exceptions that occurred
     */
    public GroupInitializationException(List causes) {
        super("Error initializing components");
        this.causes = causes;
    }

    /**
     * Return the exceptions that occurred as the group was initialized.
     *
     * @return a list of exceptions that occurred
     */
    public List getCauses() {
        return causes;
    }

    /**
     * Override stacktrace output to include all causes.
     *
     * @param printStream the stream to write to
     */
    @Override
    public void printStackTrace(PrintStream printStream) {
        PrintWriter writer = new PrintWriter(printStream);
        printStackTrace(writer);
    }

    /**
     * Override stacktrace output to include all causes.
     *
     * @param writer the writer to use
     */
    @Override
    public void printStackTrace(PrintWriter writer) {
        writer.println(toString());
        printStackTraceElements(writer);
        writer.println("-------------------------------------------------------------------------------");
        for (Exception cause : causes) {
            writer.print("Caused by: ");
            cause.printStackTrace(writer);
            writer.println("-------------------------------------------------------------------------------");
        }
        writer.flush();
    }
}