| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.ant.internal.core.ant; |
| |
| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 1999, 2000 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/>. |
| */ |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.lang.reflect.Constructor; |
| import java.lang.reflect.InvocationTargetException; |
| import java.util.Enumeration; |
| import java.util.Hashtable; |
| import java.util.Properties; |
| |
| import org.apache.tools.ant.BuildException; |
| import org.apache.tools.ant.Project; |
| import org.apache.tools.ant.ProjectComponent; |
| |
| /** |
| * A subclass of Project to facilitate "faster" parsing with |
| * less garbage generated. This class is not used on Ant 1.6 and newer |
| * due to the improvements in lazy loading of these Ant versions. |
| * |
| * Only three tasks are loaded (property, taskdef and |
| * typedef: three tasks that can be defined outside of a target on Ant 1.5.1 or older). |
| * |
| * Datatypes are loaded if requested. |
| * |
| * Derived from the original Ant Project class |
| */ |
| public class InternalProject extends Project { |
| |
| private Hashtable typeNameToClass = null; |
| |
| public InternalProject() { |
| super(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.apache.tools.ant.Project#init() |
| */ |
| public void init() throws BuildException { |
| setJavaVersionProperty(); |
| |
| try { |
| Class taskClass = Class.forName("org.apache.tools.ant.taskdefs.Property"); //$NON-NLS-1$ |
| addTaskDefinition("property", taskClass); //$NON-NLS-1$ |
| taskClass = Class.forName("org.apache.tools.ant.taskdefs.Typedef"); //$NON-NLS-1$ |
| addTaskDefinition("typedef", taskClass); //$NON-NLS-1$ |
| taskClass = Class.forName("org.apache.tools.ant.taskdefs.Taskdef"); //$NON-NLS-1$ |
| addTaskDefinition("taskdef", taskClass); //$NON-NLS-1$ |
| } catch (NoClassDefFoundError e) { |
| throw new BuildException(InternalAntMessages.getString("InternalAntRunner.Missing_Class"), e); //$NON-NLS-1$ |
| } catch (ClassNotFoundException c) { |
| throw new BuildException(InternalAntMessages.getString("InternalAntRunner.Missing_Class"), c); //$NON-NLS-1$ |
| } |
| |
| setSystemProperties(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.apache.tools.ant.Project#createDataType(java.lang.String) |
| */ |
| public Object createDataType(String typeName) throws BuildException { |
| if (typeNameToClass == null) { |
| initializeTypes(); |
| } |
| Class typeClass = (Class) typeNameToClass.get(typeName); |
| |
| if (typeClass == null) { |
| return null; |
| } |
| |
| try { |
| Constructor ctor = null; |
| boolean noArg = false; |
| // DataType can have a "no arg" constructor or take a single |
| // Project argument. |
| try { |
| ctor = typeClass.getConstructor(new Class[0]); |
| noArg = true; |
| } catch (NoSuchMethodException nse) { |
| ctor = typeClass.getConstructor(new Class[] { Project.class }); |
| noArg = false; |
| } |
| |
| Object o = null; |
| if (noArg) { |
| o = ctor.newInstance(new Object[0]); |
| } else { |
| o = ctor.newInstance(new Object[] { this }); |
| } |
| if (o instanceof ProjectComponent) { |
| ((ProjectComponent) o).setProject(this); |
| } |
| return o; |
| } catch (InvocationTargetException ite) { |
| return null; |
| } catch (Throwable t) { |
| return null; |
| } |
| } |
| |
| /** |
| * Initialize the mapping of data type name to data type classname |
| */ |
| private void initializeTypes() { |
| typeNameToClass = new Hashtable(18); |
| String dataDefs = "/org/apache/tools/ant/types/defaults.properties"; //$NON-NLS-1$ |
| try { |
| Properties props = new Properties(); |
| InputStream in = Project.class.getResourceAsStream(dataDefs); |
| if (in == null) { |
| return; |
| } |
| props.load(in); |
| in.close(); |
| |
| Enumeration enumeration = props.propertyNames(); |
| while (enumeration.hasMoreElements()) { |
| String typeName = (String) enumeration.nextElement(); |
| String className = props.getProperty(typeName); |
| try { |
| Class typeClass= Class.forName(className); |
| typeNameToClass.put(typeName, typeClass); |
| } catch (NoClassDefFoundError e) { |
| //ignore |
| } catch (ClassNotFoundException c) { |
| //ignore |
| } |
| } |
| } catch (IOException ioe) { |
| return; |
| } |
| |
| } |
| |
| /* (non-Javadoc) |
| * @see org.apache.tools.ant.Project#getDataTypeDefinitions() |
| */ |
| public Hashtable getDataTypeDefinitions() { |
| if (typeNameToClass == null) { |
| initializeTypes(); |
| } |
| return typeNameToClass; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.apache.tools.ant.Project#addDataTypeDefinition(java.lang.String, java.lang.Class) |
| */ |
| public void addDataTypeDefinition(String typeName, Class typeClass) { |
| getDataTypeDefinitions(); |
| typeNameToClass.put(typeName, typeClass); |
| } |
| } |