org.apache.struts.action.ActionMessage Maven / Gradle / Ivy
/*
* $Id$
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.action;
import java.io.Serializable;
/**
* An encapsulation of an individual message returned by the
* validate method of an ActionForm, consisting of a
* message key (to be used to look up message text in an appropriate message
* resources database) plus up to four placeholder objects that can be used
* for parametric replacement in the message text.
*
* @version $Rev$ $Date: 2005-05-14 01:09:32 -0400 (Sat, 14 May 2005)
* $
* @since Struts 1.1
*/
public class ActionMessage implements Serializable {
// ----------------------------------------------------- Instance Variables
/**
* The message key for this message.
*/
protected String key = null;
/**
* The replacement values for this mesasge.
*/
protected Object[] values = null;
/**
* Indicates whether the key is taken to be as a bundle key [true] or
* literal value [false].
*/
protected boolean resource = true;
// ----------------------------------------------------------- Constructors
/**
* Construct an action message with no replacement values.
*
* @param key Message key for this message
*/
public ActionMessage(String key) {
this(key, null);
}
/**
* Construct an action message with the specified replacement
* values.
*
* @param key Message key for this message
* @param value0 First replacement value
*/
public ActionMessage(String key, Object value0) {
this(key, new Object[] { value0 });
}
/**
* Construct an action message with the specified replacement
* values.
*
* @param key Message key for this message
* @param value0 First replacement value
* @param value1 Second replacement value
*/
public ActionMessage(String key, Object value0, Object value1) {
this(key, new Object[] { value0, value1 });
}
/**
* Construct an action message with the specified replacement
* values.
*
* @param key Message key for this message
* @param value0 First replacement value
* @param value1 Second replacement value
* @param value2 Third replacement value
*/
public ActionMessage(String key, Object value0, Object value1, Object value2) {
this(key, new Object[] { value0, value1, value2 });
}
/**
* Construct an action message with the specified replacement
* values.
*
* @param key Message key for this message
* @param value0 First replacement value
* @param value1 Second replacement value
* @param value2 Third replacement value
* @param value3 Fourth replacement value
*/
public ActionMessage(String key, Object value0, Object value1,
Object value2, Object value3) {
this(key, new Object[] { value0, value1, value2, value3 });
}
/**
* Construct an action message with the specified replacement
* values.
*
* @param key Message key for this message
* @param values Array of replacement values
*/
public ActionMessage(String key, Object[] values) {
this.key = key;
this.values = values;
this.resource = true;
}
/**
* Construct an action message with the specified replacement
* values.
*
* @param key Message key for this message
* @param resource Indicates whether the key is a bundle key or literal
* value
*/
public ActionMessage(String key, boolean resource) {
this.key = key;
this.resource = resource;
}
// --------------------------------------------------------- Public Methods
/**
* Get the message key for this message.
*
* @return The message key for this message.
*/
public String getKey() {
return (this.key);
}
/**
* Get the replacement values for this message.
*
* @return The replacement values for this message.
*/
public Object[] getValues() {
return (this.values);
}
/**
* Indicate whether the key is taken to be as a bundle key [true] or
* literal value [false].
*
* @return true if the key is a bundle key;
* false otherwise.
*/
public boolean isResource() {
return (this.resource);
}
/**
* Returns a String in the format: key[value1, value2, etc].
*
* @return String representation of this message
* @see java.lang.Object#toString()
*/
public String toString() {
StringBuilder buff = new StringBuilder();
buff.append(this.key);
buff.append("[");
if (this.values != null) {
for (int i = 0; i < this.values.length; i++) {
buff.append(this.values[i]);
// don't append comma to last entry
if (i < (this.values.length - 1)) {
buff.append(", ");
}
}
}
buff.append("]");
return buff.toString();
}
}