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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: MessageResourcesConfig.java 264684 2005-08-30 03:08:01Z 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.config;


import java.io.Serializable;
import org.apache.struts.Globals;


/**
 * A JavaBean representing the configuration information of a
 * <message-resources> element in a Struts
 * configuration file.
 *
 * @version $Rev: 264684 $ $Date: 2005-08-30 04:08:01 +0100 (Tue, 30 Aug 2005) $
 * @since Struts 1.1
 */

public class MessageResourcesConfig implements Serializable {


    // ----------------------------------------------------- Instance Variables


    /**
     * Has this component been completely configured?
     */
    protected boolean configured = false;


    // ------------------------------------------------------------- Properties


    /**
     * Fully qualified Java class name of the MessageResourcesFactory class
     * we should use.
     */
    protected String factory =
        "org.apache.struts.util.PropertyMessageResourcesFactory";

    public String getFactory() {
        return (this.factory);
    }

    public void setFactory(String factory) {
        if (configured) {
            throw new IllegalStateException("Configuration is frozen");
        }
        this.factory = factory;
    }


    /**
     * The servlet context attributes key under which this MessageResources
     * instance is stored.
     */
    protected String key = Globals.MESSAGES_KEY;

    public String getKey() {
        return (this.key);
    }

    public void setKey(String key) {
        if (configured) {
            throw new IllegalStateException("Configuration is frozen");
        }
        this.key = key;
    }


    /**
     * Should we return null for unknown message keys?
     */
    protected boolean nullValue = true;

    public boolean getNull() {
        return (this.nullValue);
    }

    public void setNull(boolean nullValue) {
        if (configured) {
            throw new IllegalStateException("Configuration is frozen");
        }
        this.nullValue = nullValue;
    }

    /**
     * Indicates whether 'escape processing' should be performed on
     * the error message string.
     */
    private boolean escape = true;

    /**
     * Indicates whether 'escape processing' should be performed on
     * the error message string.
     *
     * @since Struts 1.2.8
     */
    public boolean isEscape() {
        return escape;
    }

    /**
     * Set whether 'escape processing' should be performed on
     * the error message string.
     *
     * @since Struts 1.2.8
     */
    public void setEscape(boolean escape) {
        this.escape = escape;
    }

    /**
     * Parameter that is passed to the createResources() method
     * of our MessageResourcesFactory implementation.
     */
    protected String parameter = null;

    public String getParameter() {
        return (this.parameter);
    }

    public void setParameter(String parameter) {
        if (configured) {
            throw new IllegalStateException("Configuration is frozen");
        }
        this.parameter = parameter;
    }


    // --------------------------------------------------------- Public Methods


    /**
     * Freeze the configuration of this component.
     */
    public void freeze() {

        configured = true;

    }


    /**
     * Return a String representation of this object.
     */
    public String toString() {

        StringBuffer sb = new StringBuffer("MessageResourcesConfig[");
        sb.append("factory=");
        sb.append(this.factory);
        sb.append(",null=");
        sb.append(this.nullValue);
        sb.append(",escape=");
        sb.append(this.escape);
        sb.append(",parameter=");
        sb.append(this.parameter);
        sb.append("]");
        return (sb.toString());

    }


}