| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2002 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, if |
| * any, must include the following acknowlegement: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowlegement may appear in the software itself, |
| * if and wherever such third-party acknowlegements normally appear. |
| * |
| * 4. The names "The Jakarta Project", "Ant", and "Apache Software |
| * Foundation" must not be used to endorse or promote products derived |
| * from this software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache" |
| * nor may "Apache" appear in their names without prior written |
| * permission of the Apache Group. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| package org.apache.tools.ant; |
| import org.apache.ant.common.antlib.AntContext; |
| import org.apache.ant.common.antlib.Converter; |
| import org.apache.ant.common.antlib.StandardLibFactory; |
| import org.apache.ant.common.service.EventService; |
| import org.apache.ant.common.util.ExecutionException; |
| import org.apache.ant.init.LoaderUtils; |
| |
| /** |
| * The factory object for the Ant1 compatability Ant library |
| * |
| * @author <a href="mailto:conor@apache.org">Conor MacNeill</a> |
| * @created 31 January 2002 |
| */ |
| public class Ant1Factory extends StandardLibFactory { |
| /** |
| * A Project instance associated with the factory - used in the creation |
| * of tasks and types |
| */ |
| private Project project; |
| /** The Ant context for this factory */ |
| private AntContext context; |
| |
| /** |
| * Initialise the factory |
| * |
| * @param context the context for this factory to use to access core |
| * services. |
| * @exception ExecutionException if the factory cannot be initialised. |
| */ |
| public void init(AntContext context) throws ExecutionException { |
| if (project != null) { |
| return; |
| } |
| |
| this.context = context; |
| // set the system classpath. In Ant2, the system classpath will not |
| // in general, have any useful information. For Ant1 compatability |
| // we set it now to include the Ant1 facade classes |
| System.setProperty("java.class.path", getAnt1Classpath()); |
| |
| project = new Project(this); |
| project.init(context); |
| |
| EventService eventService = |
| (EventService)context.getCoreService(EventService.class); |
| eventService.addBuildListener(project); |
| } |
| |
| |
| /** |
| * Create an instance of the given component class |
| * |
| * @param componentClass the class for which an instance is required |
| * @param localName the name within the library under which the task is |
| * defined |
| * @return an instance of the required class |
| * @exception InstantiationException if the class cannot be instantiated |
| * @exception IllegalAccessException if the instance cannot be accessed |
| * @exception ExecutionException if there is a problem creating the task |
| */ |
| public Object createComponent(Class componentClass, String localName) |
| throws InstantiationException, IllegalAccessException, |
| ExecutionException { |
| try { |
| java.lang.reflect.Constructor constructor = null; |
| // DataType can have a "no arg" constructor or take a single |
| // Project argument. |
| Object component = null; |
| try { |
| constructor = componentClass.getConstructor(new Class[0]); |
| component = constructor.newInstance(new Object[0]); |
| } catch (NoSuchMethodException nse) { |
| constructor |
| = componentClass.getConstructor(new Class[]{Project.class}); |
| component = constructor.newInstance(new Object[]{project}); |
| } |
| |
| if (component instanceof ProjectComponent) { |
| ((ProjectComponent)component).setProject(project); |
| } |
| return component; |
| } catch (java.lang.reflect.InvocationTargetException ite) { |
| Throwable t = ite.getTargetException(); |
| String msg = "Could not create component of type: " |
| + componentClass.getName() + " due to " + t; |
| throw new ExecutionException(msg, t); |
| } catch (NoSuchMethodException e) { |
| throw new ExecutionException("Unable to find an appropriate " |
| + "constructor for component " + componentClass.getName(), e); |
| } |
| } |
| |
| /** |
| * Create a converter. |
| * |
| * @param converterClass the class of the converter. |
| * @return an instance of the requested converter class |
| * @exception InstantiationException if the converter cannot be |
| * instantiated |
| * @exception IllegalAccessException if the converter cannot be accessed |
| * @exception ExecutionException if the converter cannot be created |
| */ |
| public Converter createConverter(Class converterClass) |
| throws InstantiationException, IllegalAccessException, |
| ExecutionException { |
| |
| java.lang.reflect.Constructor c = null; |
| |
| Converter converter = null; |
| try { |
| try { |
| c = converterClass.getConstructor(new Class[0]); |
| converter = (Converter)c.newInstance(new Object[0]); |
| } catch (NoSuchMethodException nse) { |
| c = converterClass.getConstructor(new Class[]{Project.class}); |
| converter = (Converter)c.newInstance(new Object[]{project}); |
| } |
| |
| return converter; |
| } catch (java.lang.reflect.InvocationTargetException ite) { |
| Throwable t = ite.getTargetException(); |
| String msg = "Could not create converter of type: " |
| + converterClass.getName() + " due to " + t; |
| throw new ExecutionException(msg, t); |
| } catch (NoSuchMethodException e) { |
| throw new ExecutionException("Unable to find an appropriate " |
| + "constructor for converter " + converterClass.getName(), e); |
| } |
| } |
| |
| /** |
| * Register an element which has been created as the result of calling a |
| * create method. |
| * |
| * @param createdElement the element that the component created |
| * @exception ExecutionException if there is a problem registering the |
| * element |
| */ |
| public void registerCreatedElement(Object createdElement) |
| throws ExecutionException { |
| if (createdElement instanceof ProjectComponent) { |
| ProjectComponent component = (ProjectComponent)createdElement; |
| component.setProject(project); |
| } |
| } |
| |
| /** |
| * Get an Ant1 equivalent classpath |
| * |
| * @return an Ant1 suitable classpath |
| */ |
| String getAnt1Classpath() { |
| ClassLoader classLoader = getClass().getClassLoader(); |
| String path = LoaderUtils.getClasspath(classLoader); |
| return path; |
| } |
| } |
| |
