| /* |
| * Copyright 2002,2004 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.commons.jelly.tags.jetty; |
| |
| import org.apache.commons.jelly.JellyTagException; |
| import org.apache.commons.jelly.TagSupport; |
| import org.apache.commons.jelly.XMLOutput; |
| |
| import org.mortbay.http.HttpResponse; |
| |
| /** |
| * Set a response header in the request handler of a Jetty http server |
| * |
| * @author rtl |
| */ |
| public class ResponseHeaderTag extends TagSupport { |
| |
| /** parameter name */ |
| private String _name; |
| |
| /** parameter value */ |
| private String _value; |
| |
| /** |
| * Perform the tag functionality. In this case, set a header in the |
| * http response found in the jelly context |
| * |
| * @param xmlOutput where to send output |
| * @throws Exception when an error occurs |
| */ |
| public void doTag(XMLOutput xmlOutput) throws JellyTagException { |
| |
| if (null == getName()) { |
| throw new JellyTagException("<responseHeader> tag must have a name"); |
| } |
| |
| // get the response from the context |
| HttpResponse httpResponse = (HttpResponse) getContext().getVariable("response"); |
| if (null == httpResponse) { |
| throw new JellyTagException("HttpResponse variable not available in Jelly context"); |
| } |
| |
| // if value is valid then set it |
| // otherwise remove the field |
| if (null != getValue()) { |
| httpResponse.setField(getName(), getValue()); |
| } else { |
| httpResponse.removeField(getName()); |
| } |
| |
| } |
| |
| //-------------------------------------------------------------------------- |
| // Property accessors/mutators |
| //-------------------------------------------------------------------------- |
| |
| /** |
| * Getter for property context path. |
| * |
| * @return value of property context path. |
| */ |
| public String getName() { |
| return _name; |
| } |
| |
| /** |
| * Setter for property context path. |
| * |
| * @param path New value of property context path. |
| */ |
| public void setName(String name) { |
| _name = name; |
| } |
| |
| /** |
| * Getter for property value. |
| * |
| * @return value of property value. |
| */ |
| public String getValue() { |
| return _value; |
| } |
| |
| /** |
| * Setter for property value. |
| * |
| * @param value New value of property value. |
| */ |
| public void setValue(String value) { |
| _value = value; |
| } |
| |
| } |
| |