package org.apache.turbine.services.jsp.tags;
/*
* Copyright 2001-2004 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.
*/
import java.io.IOException;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.PageContext;
import javax.servlet.jsp.tagext.TagSupport;
import org.apache.turbine.services.jsp.JspService;
import org.apache.turbine.util.DynamicURI;
import org.apache.turbine.util.Log;
import org.apache.turbine.util.RunData;
import org.apache.turbine.util.template.TemplateLink;
/**
* Supporting class for the TemplateLink tag.
* Uses the TemplateLink class to construct a URI
*
* @author <a href="mailto:ingo@raleigh.ibm.com">Ingo Schuster</a>
* @version $Id: TemplateLinkTag.java 221882 2004-05-20 03:06:52Z seade $
*/
public class TemplateLinkTag extends TagSupport
{
/**
* template parameter defines the template to set
* mandatory parameter
*/
private String template;
/**
* The setter for template parameter
*/
public void setTemplate(String template)
{
this.template = template;
}
/**
* action parameter defines the action to set
* optional parameter
*/
private String action;
/**
* The setter for screen parameter
*/
public void setAction(String action)
{
this.action = action;
}
public int doStartTag() throws JspException
{
RunData data =
(RunData)pageContext.getAttribute(JspService.RUNDATA,
PageContext.REQUEST_SCOPE);
TemplateLink link = new TemplateLink( data );
DynamicURI uri = link.setPage( template );
if ( action != null ) uri = uri.setAction( action );
try
{
if (uri != null) {
pageContext.getOut().print(uri.toString());
}
}
catch (Exception e)
{
String message =
"Error processing TemplateLink-tag, parameter: template='"
+ template + "', action='" +action +"'";
Log.error(message, e);
try
{
data.getOut().print( message );
}
catch(java.io.IOException ioe) {}
}
return EVAL_BODY_INCLUDE;
}
}