/*
* Copyright 2002-2008 the original author or authors.
*
* 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.springframework.web.servlet.tags;
import org.springframework.context.MessageSource;
import org.springframework.context.NoSuchMessageException;
/**
* Custom tag to look up a theme message in the scope of this page.
* Messages are looked up using the ApplicationContext's ThemeSource,
* and thus should support internationalization.
*
* <p>Regards a HTML escaping setting, either on this tag instance,
* the page level, or the web.xml level.
*
* <p>If "code" isn't set or cannot be resolved, "text" will be used
* as default message.
*
* @author Jean-Pierre Pawlak
* @author Juergen Hoeller
* @see org.springframework.ui.context.Theme
* @see org.springframework.ui.context.ThemeSource
* @see #setCode
* @see #setText
* @see #setHtmlEscape
* @see HtmlEscapeTag#setDefaultHtmlEscape
* @see org.springframework.web.util.WebUtils#HTML_ESCAPE_CONTEXT_PARAM
*/
public class ThemeTag extends MessageTag {
/**
* Use the theme MessageSource for theme message resolution.
*/
protected MessageSource getMessageSource() {
return getRequestContext().getTheme().getMessageSource();
}
/**
* Return exception message that indicates the current theme.
*/
protected String getNoSuchMessageExceptionDescription(NoSuchMessageException ex) {
return "Theme '" + getRequestContext().getTheme().getName() + "': " + ex.getMessage();
}
}