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/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* Licensed 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.tuscany.common;
import java.util.ArrayList;
import java.util.List;
/**
* The root unchecked exception for the Tuscany runtime.
*
* @version $Rev: 368822 $ $Date: 2006-01-13 10:54:38 -0800 (Fri, 13 Jan 2006) $
*/
public abstract class TuscanyRuntimeException extends RuntimeException {
private static final long serialVersionUID = -759677431966121786L;
private List<String> contextStack;
private String identifier;
/**
* Override constructor from RuntimeException.
*
* @see RuntimeException
*/
public TuscanyRuntimeException() {
super();
}
/**
* Override constructor from RuntimeException.
*
* @param message passed to RuntimeException
* @see RuntimeException
*/
public TuscanyRuntimeException(String message) {
super(message);
}
/**
* Override constructor from RuntimeException.
*
* @param message passed to RuntimeException
* @param cause passed to RuntimeException
* @see RuntimeException
*/
public TuscanyRuntimeException(String message, Throwable cause) {
super(message, cause);
}
/**
* Override constructor from RuntimeException.
*
* @param cause passed to RuntimeException
* @see RuntimeException
*/
public TuscanyRuntimeException(Throwable cause) {
super(cause);
}
/**
* Returns a collection of names representing the context call stack where the error occured.
* The top of the stack is the first element in the collection.
*
* @return a collection of names representing the context call stack
*/
public List<String> returnContextNames() {
if (contextStack == null) {
contextStack = new ArrayList<String>();
}
return contextStack;
}
/**
* Pushes a context name where an error occured onto the call stack.
*
* @param name the name of a context to push on the stack
*/
public void addContextName(String name) {
if (contextStack == null) {
contextStack = new ArrayList<String>();
}
contextStack.add(name);
}
/**
* Returns a string representing additional error information referred to in the error message.
*
* @return additional error information
*/
public String getIdentifier() {
return identifier;
}
/**
* Sets an additional error information referred to in the error message.
*
* @param identifier additional error information
*/
public void setIdentifier(String identifier) {
this.identifier = identifier;
}
public String getMessage() {
if (identifier == null && contextStack == null) {
return super.getMessage();
}
StringBuilder b = new StringBuilder(256);
b.append(super.getMessage());
if (identifier != null) {
b.append(" [").append(identifier).append(']');
}
if (contextStack != null) {
b.append("\nContext stack trace: ");
for (int i = contextStack.size() - 1; i >= 0; i--) {
b.append('[').append(contextStack.get(i)).append(']');
}
}
return b.toString();
}
}
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