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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Eclipse Public License, Version 1.0 (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.eclipse.org/org/documents/epl-v10.php
*
* 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 com.android.ide.eclipse.adt.internal.build;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResourceDelta;
import java.util.HashSet;
import java.util.Set;
/**
* Base source change handler for the {@link SourceProcessor} classes.
*
* It can be used as is, as long as the matching {@link SourceProcessor} properly implements
* its abstract methods, and the processor does not output resource files,
* or can be extended to provide custom implementation for:
* {@link #handleSourceFile(IFile, int)}
* {@link #handleGeneratedFile(IFile, int)}
* {@link #handleResourceFile(IFile, int)}
* {@link #filterResourceFolder(IContainer)}
*
*/
public class DefaultSourceChangeHandler implements SourceChangeHandler {
private SourceProcessor mProcessor;
/** List of source files found that are modified or new. */
private final Set<IFile> mToCompile = new HashSet<IFile>();
/** List of source files that have been removed. */
private final Set<IFile> mRemoved = new HashSet<IFile>();
@Override
public boolean handleGeneratedFile(IFile file, int kind) {
if (kind == IResourceDelta.REMOVED || kind == IResourceDelta.CHANGED) {
IFile sourceFile = mProcessor.isOutput(file);
if (sourceFile != null) {
mToCompile.add(sourceFile);
return true;
}
}
return false;
}
@Override
public void handleSourceFile(IFile file, int kind) {
// first the file itself if this is a match for the processor's extension
if (mProcessor.getExtensions().contains(file.getFileExtension())) {
if (kind == IResourceDelta.REMOVED) {
mRemoved.add(file);
} else {
mToCompile.add(file);
}
}
// now the dependencies. In all case we compile the files that depend on the
// added/changed/removed file.
mToCompile.addAll(mProcessor.isDependency(file));
}
protected void addFileToCompile(IFile file) {
mToCompile.add(file);
}
Set<IFile> getFilesToCompile() {
return mToCompile;
}
protected void addRemovedFile(IFile file) {
mRemoved.add(file);
}
Set<IFile> getRemovedFiles() {
return mRemoved;
}
public void reset() {
mToCompile.clear();
mRemoved.clear();
}
protected SourceProcessor getProcessor() {
return mProcessor;
}
void init(SourceProcessor processor) {
mProcessor = processor;
}
}
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