/*
* Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.tools.javac.api;
import java.io.IOException;
import java.util.Collection;
import java.util.Locale;
import javax.annotation.processing.Processor;
import javax.lang.model.element.Element;
import javax.lang.model.type.TypeMirror;
import javax.lang.model.util.Elements;
import javax.lang.model.util.Types;
import javax.tools.JavaFileObject;
import com.sun.source.tree.CompilationUnitTree;
import com.sun.source.tree.Tree;
import com.sun.source.util.JavacTask;
import com.sun.source.util.TaskListener;
import com.sun.tools.javac.model.JavacElements;
import com.sun.tools.javac.model.JavacTypes;
import com.sun.tools.javac.tree.JCTree;
import com.sun.tools.javac.util.Context;
/**
* Provides basic functionality for implementations of JavacTask.
*
* <p><b>This is NOT part of any supported API.
* If you write code that depends on this, you do so at your own
* risk. This code and its internal interfaces are subject to change
* or deletion without notice.</b></p>
*/
public class BasicJavacTask extends JavacTask {
protected Context context;
private TaskListener taskListener;
public static JavacTask instance(Context context) {
JavacTask instance = context.get(JavacTask.class);
if (instance == null)
instance = new BasicJavacTask(context, true);
return instance;
}
public BasicJavacTask(Context c, boolean register) {
context = c;
if (register)
context.put(JavacTask.class, this);
}
@Override
public Iterable<? extends CompilationUnitTree> parse() throws IOException {
throw new IllegalStateException();
}
@Override
public Iterable<? extends Element> analyze() throws IOException {
throw new IllegalStateException();
}
@Override
public Iterable<? extends JavaFileObject> generate() throws IOException {
throw new IllegalStateException();
}
@Override
public void setTaskListener(TaskListener tl) {
MultiTaskListener mtl = MultiTaskListener.instance(context);
if (taskListener != null)
mtl.remove(taskListener);
if (tl != null)
mtl.add(tl);
taskListener = tl;
}
@Override
public void addTaskListener(TaskListener taskListener) {
MultiTaskListener mtl = MultiTaskListener.instance(context);
mtl.add(taskListener);
}
@Override
public void removeTaskListener(TaskListener taskListener) {
MultiTaskListener mtl = MultiTaskListener.instance(context);
mtl.remove(taskListener);
}
public Collection<TaskListener> getTaskListeners() {
MultiTaskListener mtl = MultiTaskListener.instance(context);
return mtl.getTaskListeners();
}
@Override
public TypeMirror getTypeMirror(Iterable<? extends Tree> path) {
// TODO: Should complete attribution if necessary
Tree last = null;
for (Tree node : path)
last = node;
return ((JCTree)last).type;
}
@Override
public Elements getElements() {
return JavacElements.instance(context);
}
@Override
public Types getTypes() {
return JavacTypes.instance(context);
}
public void setProcessors(Iterable<? extends Processor> processors) {
throw new IllegalStateException();
}
public void setLocale(Locale locale) {
throw new IllegalStateException();
}
public Boolean call() {
throw new IllegalStateException();
}
/**
* For internal use only. This method will be
* removed without warning.
*/
public Context getContext() {
return context;
}
/**
* For internal use only. This method will be
* removed without warning.
*/
public void updateContext(Context newContext) {
context = newContext;
}
}