org.apache.taglibs.standard.tag.common.fmt.MessageSupport Maven / Gradle / Ivy
/*
* Copyright (c) 1997-2020 Oracle and/or its affiliates. All rights reserved.
* Copyright 2004 The Apache Software Foundation
* Copyright (c) 2020 Payara Services Ltd.
*
* 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.taglibs.standard.tag.common.fmt;
import java.io.IOException;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
import jakarta.servlet.jsp.JspException;
import jakarta.servlet.jsp.JspTagException;
import jakarta.servlet.jsp.PageContext;
import jakarta.servlet.jsp.jstl.fmt.LocalizationContext;
import jakarta.servlet.jsp.tagext.BodyTagSupport;
import jakarta.servlet.jsp.tagext.Tag;
import org.apache.taglibs.standard.tag.common.core.Util;
/**
* Support for tag handlers for <message>, the message formatting tag
* in JSTL 1.0.
*
* @author Jan Luehe
*/
public abstract class MessageSupport extends BodyTagSupport {
//*********************************************************************
// Public constants
public static final String UNDEFINED_KEY = "???";
//*********************************************************************
// Protected state
protected String keyAttrValue; // 'key' attribute value
protected boolean keySpecified; // 'key' attribute specified
protected LocalizationContext bundleAttrValue; // 'bundle' attribute value
protected boolean bundleSpecified; // 'bundle' attribute specified?
//*********************************************************************
// Private state
private String var; // 'var' attribute
private int scope; // 'scope' attribute
private List