?? rewritetag.java
字號:
/*
* $Id: RewriteTag.java 54929 2004-10-16 16:38:42Z germuska $
*
* Copyright 1999-2004 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.taglib.html;
import java.net.MalformedURLException;
import java.util.Map;
import javax.servlet.jsp.JspException;
import org.apache.struts.taglib.TagUtils;
/**
* Generate a URL-encoded URI as a string.
*
* @version $Rev: 54929 $ $Date: 2004-10-16 17:38:42 +0100 (Sat, 16 Oct 2004) $
*/
public class RewriteTag extends LinkTag {
// --------------------------------------------------------- Public Methods
/**
* Render the appropriately encoded URI.
*
* @exception JspException if a JSP exception has occurred
*/
public int doStartTag() throws JspException {
// Generate the hyperlink URL
Map params = TagUtils.getInstance().computeParameters
(pageContext, paramId, paramName, paramProperty, paramScope,
name, property, scope, transaction);
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 (SKIP_BODY);
}
/**
* Ignore the end of this tag.
*
* @exception JspException if a JSP exception has occurred
*/
public int doEndTag() throws JspException {
return (EVAL_PAGE);
}
}
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