/*
* $Id: RewriteTag.java 471754 2006-11-06 14:55:09Z husted $
*
* 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.taglib.html;
import org.apache.struts.taglib.TagUtils;
import javax.servlet.jsp.JspException;
import java.net.MalformedURLException;
import java.util.HashMap;
import java.util.Map;
/**
* Generate a URL-encoded URI as a string.
*
* @version $Rev: 471754 $ $Date: 2004-10-16 12:38:42 -0400 (Sat, 16 Oct 2004)
* $
*/
public class RewriteTag extends LinkTag {
// --------------------------------------------------------- Public Methods
/**
* Render the URI.
*
* @throws JspException if a JSP exception has occurred
*/
public int doEndTag() throws JspException {
// Generate the hyperlink URL
Map params =
TagUtils.getInstance().computeParameters(pageContext, paramId,
paramName, paramProperty, paramScope, name, property, scope,
transaction);
// Add parameters collected from the tag's inner body
if (!this.parameters.isEmpty()) {
if (params == null) {
params = new HashMap();
}
params.putAll(this.parameters);
}
String url = null;
try {
// Note that we're encoding the & character to & in XHTML mode only,
// otherwise the & is written as is to work in javascripts.
url = TagUtils.getInstance().computeURLWithCharEncoding(pageContext,
forward, href, page, action, module, params, anchor, false,
this.isXhtml(), useLocalEncoding);
} catch (MalformedURLException e) {
TagUtils.getInstance().saveException(pageContext, e);
throw new JspException(messages.getMessage("rewrite.url",
e.toString()));
}
TagUtils.getInstance().write(pageContext, url);
return (EVAL_PAGE);
}
}