| /* |
| * 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", "Tomcat", 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.ant.tasks; |
| |
| |
| |
| import java.util.*; |
| import org.apache.ant.AntException; |
| import org.apache.ant.engine.TaskEngine; |
| import org.apache.ant.tasks.Task; |
| |
| public abstract class BaseTask implements Task { |
| |
| protected Task parent; |
| protected ArrayList children = new ArrayList(); |
| protected String taskName; |
| protected Properties properties = new Properties(); |
| |
| public BaseTask() { |
| super(); |
| } |
| |
| public void init(TaskEngine engine) throws AntException { |
| } |
| |
| public void execute(TaskEngine engine) throws AntException { |
| } |
| |
| // abstract public String getTaskTag(); |
| |
| public void validate() throws AntException {} |
| |
| public String getFullyQualifiedName() { |
| if (getParent() == null) return Task.NAME_SEPARATOR + taskName; |
| return getParent().getFullyQualifiedName() + Task.NAME_SEPARATOR + taskName; |
| } |
| |
| public int hashCode() { |
| return getFullyQualifiedName().hashCode(); |
| } |
| |
| public String getTaskName() { |
| return taskName; |
| } |
| |
| public void setTaskName(String taskName) { |
| this.taskName = taskName; |
| } |
| |
| public int getExecutionMode() { |
| return Task.EXECUTION_MODE_PRIORITY; |
| } |
| |
| public String getAttributeValue(String name) { |
| /**@todo: Implement this org.apache.ant.Task method*/ |
| throw new java.lang.UnsupportedOperationException("Method getAttributeValue() not yet implemented."); |
| } |
| |
| public Task getParent() { |
| return parent; |
| } |
| |
| /** |
| * We have to trust the developers to not screw up the hierarchy by changing |
| * the parent of a Task when it is a child of another. |
| */ |
| public void setParent(Task parent) { |
| this.parent = parent; |
| } |
| |
| public Task[] getChildren() { |
| return (Task[])children.toArray(new Task[children.size()]); |
| } |
| |
| public void addChild(Task task) { |
| children.add(task); |
| task.setParent(this); |
| } |
| |
| public void removeChild(Task task) { |
| children.remove(task); |
| } |
| |
| public Task getRootTask() { |
| if (getParent() != null) { |
| return getParent().getRootTask(); |
| } |
| return this; |
| } |
| |
| protected Task getTaskByName(String taskName) { |
| Task[] tasks = getChildren(); |
| for (int i = 0, c = tasks.length; i < c; i++) { |
| if (tasks[i].getTaskName().equals(taskName)) { |
| return tasks[i]; |
| } |
| } |
| return null; |
| } |
| |
| public Task getTask(String taskPath) { |
| taskPath = taskPath.trim(); |
| int slashPos = taskPath.indexOf("/"); |
| |
| // starts with '/' |
| if (slashPos == 0) { |
| return getRootTask().getTask(taskPath.substring(slashPos + 1)); |
| } else |
| |
| // starts with '../' |
| if (taskPath.startsWith("../") || taskPath.equals("..")) { |
| return getParent().getTask(taskPath.substring(3)); |
| } else |
| |
| // starts with './' |
| if (taskPath.startsWith("./") || taskPath.equals(".")) { |
| return getTask(taskPath.substring(2)); |
| } else |
| |
| // starts with 'some_level/' |
| if (slashPos > 0) { |
| String levelName = taskPath.substring(0, slashPos); |
| return getTaskByName(levelName).getTask(taskPath.substring(slashPos + 1)); |
| } |
| |
| // there are no more directories; what remains is the name of the task |
| if (slashPos < 0) { |
| if (taskPath.length() == 0) return this; |
| return getTaskByName(taskPath); |
| } |
| return null; |
| } |
| |
| public boolean isPropertyContainer() { |
| return false; |
| } |
| |
| } |