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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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;
/**
* Base class for components of a project, including tasks and data types.
* Provides common facilities.
*
*/
public abstract class ProjectComponent {
/**
* Project object of this component.
* @deprecated since 1.6.x.
* You should not be directly accessing this variable directly.
* You should access project object via the getProject()
* or setProject() accessor/mutators.
*/
protected Project project;
/** Sole constructor. */
public ProjectComponent() {
}
/**
* Sets the project object of this component. This method is used by
* Project when a component is added to it so that the component has
* access to the functions of the project. It should not be used
* for any other purpose.
*
* @param project Project in whose scope this component belongs.
* Must not be <code>null</code>.
*/
public void setProject(Project project) {
this.project = project;
}
/**
* Returns the project to which this component belongs.
*
* @return the components's project.
*/
public Project getProject() {
return project;
}
/**
* Logs a message with the default (INFO) priority.
*
* @param msg The message to be logged. Should not be <code>null</code>.
*/
public void log(String msg) {
log(msg, Project.MSG_INFO);
}
/**
* Logs a message with the given priority.
*
* @param msg The message to be logged. Should not be <code>null</code>.
* @param msgLevel the message priority at which this message is
* to be logged.
*/
public void log(String msg, int msgLevel) {
if (getProject() != null) {
getProject().log(msg, msgLevel);
} else {
// 'reasonable' default, if the component is used without
// a Project ( for example as a standalone Bean ).
// Most ant components can be used this way.
if (msgLevel <= Project.MSG_INFO) {
System.err.println(msg);
}
}
}
}
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