- /*
- * Copyright 2000,2002,2004 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.tools.ant;
-
- import java.util.EventListener;
-
- /**
- * Instances of classes that implement this interface can register
- * to be notified when things happened during a build.
- *
- * @see BuildEvent
- * @see Project#addBuildListener(BuildListener)
- *
- */
- public interface BuildListener extends EventListener {
-
- /**
- * Signals that a build has started. This event
- * is fired before any targets have started.
- *
- * @param event An event with any relevant extra information.
- * Must not be <code>null</code>.
- */
- void buildStarted(BuildEvent event);
-
- /**
- * Signals that the last target has finished. This event
- * will still be fired if an error occurred during the build.
- *
- * @param event An event with any relevant extra information.
- * Must not be <code>null</code>.
- *
- * @see BuildEvent#getException()
- */
- void buildFinished(BuildEvent event);
-
- /**
- * Signals that a target is starting.
- *
- * @param event An event with any relevant extra information.
- * Must not be <code>null</code>.
- *
- * @see BuildEvent#getTarget()
- */
- void targetStarted(BuildEvent event);
-
- /**
- * Signals that a target has finished. This event will
- * still be fired if an error occurred during the build.
- *
- * @param event An event with any relevant extra information.
- * Must not be <code>null</code>.
- *
- * @see BuildEvent#getException()
- */
- void targetFinished(BuildEvent event);
-
- /**
- * Signals that a task is starting.
- *
- * @param event An event with any relevant extra information.
- * Must not be <code>null</code>.
- *
- * @see BuildEvent#getTask()
- */
- void taskStarted(BuildEvent event);
-
- /**
- * Signals that a task has finished. This event will still
- * be fired if an error occurred during the build.
- *
- * @param event An event with any relevant extra information.
- * Must not be <code>null</code>.
- *
- * @see BuildEvent#getException()
- */
- void taskFinished(BuildEvent event);
-
- /**
- * Signals a message logging event.
- *
- * @param event An event with any relevant extra information.
- * Must not be <code>null</code>.
- *
- * @see BuildEvent#getMessage()
- * @see BuildEvent#getPriority()
- */
- void messageLogged(BuildEvent event);
- }