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Base project: http://central.maven.org/maven2/struts/struts/1.2.9/ This version of Struts doesn't throw java.io.NotSerializableException when the application server wants to persist sessions and makes renderFocusJavascript return valid xml
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/*
 * $Id: ModuleException.java 164530 2005-04-25 03:11:07Z niallp $ 
 *
 * Copyright 1999-2005 The Apache Software Foundation.
 * 
 * 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.struts.util;

import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionMessage;

/**
 * Used for specialized exception handling.
 */
public class ModuleException extends Exception {
    
    protected String property = null;
    
    /**
     * @deprecated Use message instead.
     */
    protected ActionError error = null;
    
    /**
     * The ActionMessage associated with this exception.
     * @since Struts 1.2
     */
    protected ActionMessage message = null;

	/**
	 * Construct an module exception with no replacement values.
	 *
	 * @param key Message key for this error message
	 */
    public ModuleException(String key) {
        super(key);
		error = new ActionError(key);
        message = new ActionMessage(key);
    }

	/**
	 * Construct an module exception with the specified replacement values.
	 *
	 * @param key Message key for this error message
	 * @param value First replacement value
	 */
	public ModuleException(String key, Object value) {
		super(key);
		error = new ActionError(key, value);
        message = new ActionMessage(key, value);
	}

	/**
	 * Construct an module exception with the specified replacement values.
	 *
	 * @param key Message key for this error message
	 * @param value0 First replacement value
	 * @param value1 Second replacement value
	 */
	public ModuleException(String key, Object value0, Object value1) {
		super(key);
		error = new ActionError(key, value0, value1);
        message = new ActionMessage(key, value0, value1);
	}

	/**
	 * Construct an module exception with the specified replacement values.
	 *
	 * @param key Message key for this error message
	 * @param value0 First replacement value
	 * @param value1 Second replacement value
	 * @param value2 Third replacement value
	 */
	public ModuleException(String key, Object value0, Object value1, Object value2) {
		super(key);
		error = new ActionError(key, value0, value1, value2);
        message = new ActionMessage(key, value0, value1, value2);
	}

	/**
	 * Construct an module exception with the specified replacement values.
	 *
	 * @param key Message key for this error message
	 * @param value0 First replacement value
	 * @param value1 Second replacement value
	 * @param value2 Third replacement value
	 * @param value3 Fourth replacement value
	 */
	public ModuleException(String key, Object value0, Object value1, Object value2, Object value3) {
		super(key);
		error = new ActionError(key, value0, value1, value2, value3);
        message = new ActionMessage(key, value0, value1, value2, value3);
	}

	/**
	 * Construct an action error with the specified replacement values.
	 *
	 * @param key Message key for this message
	 * @param values Array of replacement values
	 */
	public ModuleException(String key, Object[] values) {
		super(key);
		error = new ActionError(key, values);
        message = new ActionMessage(key, values);
	}
    
    /**
	 * Returns the property associated with the exception.
	 * @return Value of property.
	 */
	public String getProperty() {
		return (property != null) ? property : message.getKey();
	}

    /**
	 * Set the property associated with the exception.
	 * It can be a name of the edit field, which 'caused' the exception.
	 */
	public void setProperty(String property) {
		this.property = property;
	}

    /**
	 * Returns the error associated with the exception.
	 * @return Value of property error.
     * @deprecated Use getActionMessage() instead.  This will be removed
     * after Struts 1.2.
	 */
	public ActionError getError() {
		return error;
	}
    
    /**
     * Returns the error associated with the exception.
     * @return Value of property error.
     * @since Struts 1.2
     */
    public ActionMessage getActionMessage() {
        return this.message;
    }
}