| /* |
| * 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.ant; |
| |
| import java.lang.reflect.InvocationTargetException; |
| |
| import org.apache.commons.beanutils.BeanUtils; |
| import org.apache.commons.jelly.JellyTagException; |
| import org.apache.commons.jelly.MissingAttributeException; |
| import org.apache.commons.jelly.TagSupport; |
| import org.apache.commons.jelly.XMLOutput; |
| |
| /** |
| * A tag which creates a new FileScanner bean instance that can be used to |
| * iterate over fileSets |
| * |
| * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> |
| * @version $Revision: 1.6 $ |
| */ |
| public class FileScannerTag extends TagSupport implements TaskSource { |
| |
| /** The file walker that gets created */ |
| private FileScanner fileScanner; |
| |
| /** the variable exported */ |
| private String var; |
| |
| public FileScannerTag(FileScanner fileScanner) { |
| this.fileScanner = fileScanner; |
| } |
| |
| // Tag interface |
| //------------------------------------------------------------------------- |
| public void doTag(XMLOutput output) throws MissingAttributeException, JellyTagException { |
| fileScanner.setProject(AntTagLibrary.getProject(context)); |
| |
| fileScanner.clear(); |
| |
| // run the body first to configure the task via nested |
| invokeBody(output); |
| |
| // output the fileScanner |
| if ( var == null ) { |
| throw new MissingAttributeException( "var" ); |
| } |
| context.setVariable( var, fileScanner ); |
| |
| } |
| |
| // TaskSource interface |
| //------------------------------------------------------------------------- |
| public Object getTaskObject() { |
| return fileScanner; |
| } |
| |
| /** |
| * Allows nested tags to set a property on the task object of this tag |
| */ |
| public void setTaskProperty(String name, Object value) throws JellyTagException { |
| try { |
| BeanUtils.setProperty( fileScanner, name, value ); |
| } |
| catch (IllegalAccessException ex) { |
| throw new JellyTagException(ex); |
| } |
| catch (InvocationTargetException ex) { |
| throw new JellyTagException(ex); |
| } |
| } |
| |
| // Properties |
| //------------------------------------------------------------------------- |
| |
| /** |
| * @return the Ant task |
| */ |
| public FileScanner getFileScanner() { |
| return fileScanner; |
| } |
| |
| /** Sets the name of the variable exported by this tag */ |
| public void setVar(String var) { |
| this.var = var; |
| } |
| |
| } |