| /* |
| * 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.jsl; |
| |
| import org.apache.commons.jelly.JellyTagException; |
| import org.apache.commons.jelly.TagSupport; |
| import org.apache.commons.jelly.XMLOutput; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.dom4j.rule.Stylesheet; |
| import org.jaxen.XPath; |
| |
| /** |
| * Implements the apply templates function in the stylesheet, similar to the XSLT equivalent. |
| * a JSP include. |
| * |
| * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> |
| * @version $Revision: 1.8 $ |
| */ |
| public class ApplyTemplatesTag extends TagSupport { |
| |
| /** The Log to which logging calls will be made. */ |
| private Log log = LogFactory.getLog(ApplyTemplatesTag.class); |
| |
| /** Holds value of property mode. */ |
| private String mode; |
| |
| /** Holds the XPath object */ |
| private XPath select; |
| |
| |
| public ApplyTemplatesTag() { |
| } |
| |
| // Tag interface |
| //------------------------------------------------------------------------- |
| /** By default just evaluate the body */ |
| public void doTag(XMLOutput output) throws JellyTagException { |
| StylesheetTag tag = (StylesheetTag) findAncestorWithClass( StylesheetTag.class ); |
| if (tag == null) { |
| throw new JellyTagException( |
| "<applyTemplates> tag must be inside a <stylesheet> tag" |
| ); |
| } |
| Stylesheet stylesheet = tag.getStylesheet(); |
| |
| XMLOutput oldOutput = tag.getStylesheetOutput(); |
| tag.setStylesheetOutput(output); |
| |
| Object source = tag.getXPathSource(); |
| // for some reason, these DOM4J methods only throw Exception |
| try { |
| if ( select != null ) { |
| stylesheet.applyTemplates( source, select, mode ); |
| } |
| else { |
| stylesheet.applyTemplates( source, mode ); |
| } |
| } |
| catch (Exception e) { |
| throw new JellyTagException(e); |
| } |
| |
| tag.setStylesheetOutput(oldOutput); |
| |
| // #### should support MODE!!! |
| |
| } |
| |
| // Properties |
| //------------------------------------------------------------------------- |
| |
| public void setSelect( XPath select ) { |
| this.select = select; |
| } |
| |
| /** Sets the mode. |
| * @param mode New value of property mode. |
| */ |
| public void setMode(String mode) { |
| this.mode = mode; |
| } |
| } |