| /* |
| * 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.pluto.driver.tags; |
| |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| |
| import javax.servlet.jsp.JspException; |
| import javax.servlet.jsp.tagext.TagSupport; |
| |
| import org.apache.pluto.driver.services.portal.PortletWindowConfig; |
| |
| /** |
| * The portlet render tag is used to print portlet rendering result (or error |
| * details) to the page. |
| * |
| * @version 1.0 |
| * @since Oct 4, 2004 |
| */ |
| public class PortletRenderTag extends TagSupport { |
| |
| // TagSupport Impl --------------------------------------------------------- |
| |
| /** |
| * |
| * @see PortletTag |
| */ |
| public int doEndTag() throws JspException { |
| |
| // Ensure that the portlet render tag resides within a portlet tag. |
| PortletTag parentTag = (PortletTag) TagSupport.findAncestorWithClass( |
| this, PortletTag.class); |
| if (parentTag == null) { |
| throw new JspException("Portlet render tag may only reside " |
| + "within a pluto:portlet tag."); |
| } |
| |
| // If the portlet is rendered successfully, print the rendering result. |
| if (parentTag.getStatus() == PortletTag.SUCCESS) { |
| try { |
| StringBuffer buffer = parentTag.getPortalServletResponse() |
| .getInternalBuffer().getBuffer(); |
| pageContext.getOut().print(buffer.toString()); |
| } catch (IOException ex) { |
| throw new JspException(ex); |
| } |
| } |
| // Otherwise, print the error stack trace. |
| else { |
| try { |
| PortletWindowConfig windowConfig = |
| PortletWindowConfig.fromId(parentTag.getEvaluatedPortletId()); |
| |
| pageContext.getOut().print("Error rendering portlet " + windowConfig.getPortletName() + "."); |
| pageContext.getOut().print("<pre>"); |
| parentTag.getThrowable().printStackTrace( |
| new PrintWriter(pageContext.getOut())); |
| pageContext.getOut().print("</pre>"); |
| } catch (IOException ex) { |
| throw new JspException(ex); |
| } |
| } |
| |
| // Return. |
| return SKIP_BODY; |
| } |
| |
| |
| } |
| |