/*
* Copyright (c) 2001-2007 Sun Microsystems, Inc. All rights reserved.
*
* The Sun Project JXTA(TM) Software License
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowledgment: "This product includes software
* developed by Sun Microsystems, Inc. for JXTA(TM) technology."
* Alternately, this acknowledgment may appear in the software itself, if
* and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" must
* not be used to endorse or promote products derived from this software
* without prior written permission. For written permission, please contact
* Project JXTA at http://www.jxta.org.
*
* 5. Products derived from this software may not be called "JXTA", nor may
* "JXTA" appear in their name, without prior written permission of Sun.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SUN
* MICROSYSTEMS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* JXTA is a registered trademark of Sun Microsystems, Inc. in the United
* States and other countries.
*
* Please see the license information page at :
* <http://www.jxta.org/project/www/license.html> for instructions on use of
* the license in source files.
*
* ====================================================================
*
* This software consists of voluntary contributions made by many individuals
* on behalf of Project JXTA. For more information on Project JXTA, please see
* http://www.jxta.org.
*
* This license is based on the BSD license adopted by the Apache Foundation.
*/
package net.jxta.exception;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
/**
* This class maintains a {@link java.util.List} of all possible {@link
* java.lang.Throwable causes} that may be generated as a part of the
* configuration process.
*
* @author james todd [gonzo at jxta dot org]
*/
public class ConfiguratorException extends JxtaException {
private List<Throwable> causes = null;
/**
* Constucts a {@link JxtaException} with no specified details.
*/
public ConfiguratorException() {
super();
}
/**
* Constructs a {@link JxtaException} with the specified message.
*
* @param msg message
*/
public ConfiguratorException(String msg) {
super(msg);
}
/**
* Constructs a {@link JxtaException} with the specified {@link
* java.lang.Throwable cause}.
*
* @param ex cause
*/
public ConfiguratorException(Throwable ex) {
super();
addCause(ex);
}
/**
* Constructs a {@link JxtaException} with the specified message and {@link
* java.lang.Throwable cause}.
*
* @param msg message
* @param ex cause
*/
public ConfiguratorException(String msg, Throwable ex) {
super(msg);
addCause(ex);
}
/**
* Constructs a {@link JxtaException} with the specified {@link
* java.util.List} of {@link java.lang.Throwable causes}.
*
* @param ex causes
*/
public ConfiguratorException(List ex) {
super();
addCauses(ex);
}
/**
* Constructs a {@link JxtaException} with the specified message in
* addition to the {@link java.util.List} of {@link java.lang.Throwable
* causes}.
*
* @param msg message
* @param ex causes
*/
public ConfiguratorException(String msg, List ex) {
super(msg);
addCauses(ex);
}
/**
* Retrieve the {@link java.lang.Throwable causes} as a {@link
* java.util.List}.
*
* @return The causes
*/
public List<Throwable> getCauses() {
return this.causes != null ? this.causes : Collections.<Throwable>emptyList();
}
/**
* Add a cause of type {@link java.lang.Throwable}.
*
* @param c The cause
*/
public void addCause(Throwable c) {
if (c != null) {
if (this.causes == null) {
this.causes = new ArrayList<Throwable>();
}
this.causes.add(c);
}
}
/**
* Add a {@link java.util.List} of {@link java.lang.Throwable causes}.
*
* @param c The causes
*/
public void addCauses(List c) {
if (c != null) {
for (Object aC : c) {
addCause((Throwable) aC);
}
}
}
/**
* @inheritDoc <p/>Overload printStackTrace() to support multiple {@link java.lang.Throwable causes}.
*/
@Override
public void printStackTrace() {
super.printStackTrace();
for (Object o : getCauses()) {
((Throwable) o).printStackTrace();
}
}
/**
* @param ps Description of the Parameter
* @inheritDoc <p/>Overload printStackTrace({@link java.io.PrintStream}) to support
* multiple {@link java.lang.Throwable causes}.
*/
@Override
public void printStackTrace(PrintStream ps) {
super.printStackTrace(ps);
ps.println("Caused by:");
int count = 1;
for (Object o : getCauses()) {
Throwable t = (Throwable) o;
ps.print("Cause #" + count++ + " : ");
t.printStackTrace(ps);
}
}
/**
* @param pw Description of the Parameter
* @inheritDoc <p/>Overload printStackTrace({@link java.io.PrintWriter}) to support
* multiple {@link java.lang.Throwable causes}.
*/
@Override
public void printStackTrace(PrintWriter pw) {
super.printStackTrace(pw);
pw.println("Caused by:");
int count = 1;
for (Object o : getCauses()) {
Throwable t = (Throwable) o;
pw.print("Cause #" + count++ + " : ");
t.printStackTrace(pw);
}
}
}