/*
* Copyright 2000-2004 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.portals.bridges.struts.taglib;
import java.io.IOException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.tagext.TagSupport;
/**
* Generate a script tag for use within a Portlet environment.
* <p>
* The src attribute is resolved to a context relative path and may contain
* a relative path (prefixed with one or more ../ elements).
* </p>
* <p>
* Note: works equally well within a Portlet context as a Web application context.
* </p>
*
* @author <a href="mailto:ate@douma.nu">Ate Douma</a>
* @version $Id: ScriptTag.java 188222 2005-01-20 02:41:15 +0100 (Thu, 20 Jan 2005) ate $
*/
public class ScriptTag extends TagSupport
{
/**
* The language attribute for the script tag.
* <p>
* Defaults to "Javascript1.1"
* </p>
*/
protected String language;
/**
* The script src path.
* <p>
* May contain a relative path (prefixed with one or more ../ elements).<br/>
* </p>
*/
protected String src;
public String getLanguage()
{
return language;
}
public void setLanguage(String language)
{
this.language = language;
}
public String getSrc()
{
return src;
}
public void setSrc(String src)
{
this.src = src;
}
public int doStartTag() throws JspException
{
StringBuffer buffer = new StringBuffer("<script language=\"");
if (language != null)
buffer.append(language);
else
buffer.append("Javascript1.1");
buffer.append("\" src=\"");
if (src.startsWith("/"))
{
buffer.append(((HttpServletRequest) pageContext.getRequest())
.getContextPath());
buffer.append(src);
}
else
{
buffer.append(TagsSupport.getContextRelativeURL(pageContext,src,true));
}
buffer.append("\"/></script>");
JspWriter writer = pageContext.getOut();
try
{
writer.print(buffer.toString());
} catch (IOException e)
{
throw new JspException(e);
}
return (SKIP_BODY);
}
public int doEndTag()
{
return EVAL_PAGE;
}
public void release()
{
super.release();
language = null;
src = null;
}
}