| /* |
| * Copyright (C) The Apache Software Foundation. All rights reserved. |
| * |
| * This software is published under the terms of the Apache Software License |
| * version 1.1, a copy of which has been included with this distribution in |
| * the LICENSE file. |
| */ |
| package org.apache.myrmidon.libs.ant1; |
| |
| import java.io.File; |
| import java.io.InputStream; |
| import java.io.IOException; |
| import java.net.URL; |
| import java.util.Enumeration; |
| import java.util.Properties; |
| import org.apache.myrmidon.api.AbstractTask; |
| import org.apache.myrmidon.api.TaskException; |
| import org.apache.myrmidon.api.Task; |
| import org.apache.avalon.framework.component.ComponentException; |
| import org.apache.avalon.framework.component.ComponentManager; |
| import org.apache.avalon.framework.component.Composable; |
| import org.apache.myrmidon.components.type.TypeManager; |
| |
| /** |
| * Method to register a tasklib. |
| * |
| * @author <a href="mailto:donaldp@apache.org">Peter Donald</a> |
| */ |
| public class Ant1Tasklib |
| extends AbstractTask |
| implements Composable |
| { |
| private String m_prefix = ""; |
| private File m_lib; |
| private TypeManager m_typeManager; |
| |
| public void compose( final ComponentManager componentManager ) |
| throws ComponentException |
| { |
| m_typeManager = (TypeManager)componentManager.lookup( TypeManager.ROLE ); |
| } |
| |
| public void setLib( final File lib ) |
| { |
| m_lib = lib; |
| } |
| |
| public void setPrefix( final String prefix ) |
| { |
| m_prefix = prefix; |
| } |
| |
| public void execute() |
| throws TaskException |
| { |
| if( null == m_lib ) |
| { |
| throw new TaskException( "Must specify lib parameter" ); |
| } |
| |
| |
| try |
| { |
| final String location = "jar:" + m_lib.toURL() + |
| "!/org/apache/tools/ant/taskdefs/defaults.properties"; |
| final URL url = new URL( location ); |
| final InputStream input = url.openStream(); |
| |
| final Properties tasks = new Properties(); |
| tasks.load( input ); |
| |
| input.close(); |
| |
| final Ant1TypeFactory factory = new Ant1TypeFactory( m_lib.toURL() ); |
| |
| final Enumeration enum = tasks.propertyNames(); |
| while( enum.hasMoreElements() ) |
| { |
| final String rawName = (String)enum.nextElement(); |
| final String className = tasks.getProperty( rawName ); |
| final String name = m_prefix + rawName; |
| |
| factory.addNameClassMapping( name, className ); |
| m_typeManager.registerType( Task.ROLE, name, factory ); |
| } |
| } |
| catch( final Exception e ) |
| { |
| throw new TaskException( "Failed to load task definitions", e ); |
| } |
| } |
| } |