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/*
* Copyright 2000-2012 JetBrains s.r.o.
*
* 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.jetbrains.jps.incremental.artifacts;
import com.intellij.openapi.util.io.FileUtil;
import com.intellij.util.SmartList;
import com.intellij.util.io.DataExternalizer;
import com.intellij.util.io.IOUtil;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.jps.incremental.storage.AbstractStateStorage;
import org.jetbrains.jps.incremental.storage.PathStringDescriptor;
import java.io.*;
import java.util.Collections;
import java.util.List;
/**
* Stores source paths for each output path. If a source file or an output file is located in a jar file the path to the jar file is stored.
*
* @author nik
*/
public class ArtifactOutputToSourceMapping extends AbstractStateStorage<String, List<ArtifactOutputToSourceMapping.SourcePathAndRootIndex>> {
public ArtifactOutputToSourceMapping(@NonNls File storePath) throws IOException {
super(storePath, new PathStringDescriptor(), new SourcePathListExternalizer());
}
@Override
public void update(String path, @Nullable List<SourcePathAndRootIndex> state) throws IOException {
super.update(FileUtil.toSystemIndependentName(path), state);
}
@Override
public void appendData(String path, List<SourcePathAndRootIndex> data) throws IOException {
super.appendData(FileUtil.toSystemIndependentName(path), data);
}
public void appendData(String outputPath, int rootIndex, String sourcePath) throws IOException {
super.appendData(outputPath, Collections.singletonList(new SourcePathAndRootIndex(sourcePath, rootIndex)));
}
@Override
public void remove(String path) throws IOException {
super.remove(FileUtil.toSystemIndependentName(path));
}
@Nullable
@Override
public List<SourcePathAndRootIndex> getState(String path) throws IOException {
return super.getState(FileUtil.toSystemIndependentName(path));
}
public static class SourcePathAndRootIndex {
private final String myPath;
private final int myRootIndex;
private SourcePathAndRootIndex(String path, int rootIndex) {
myPath = FileUtil.toSystemIndependentName(path);
myRootIndex = rootIndex;
}
public String getPath() {
return myPath;
}
public int getRootIndex() {
return myRootIndex;
}
}
private static class SourcePathListExternalizer implements DataExternalizer<List<SourcePathAndRootIndex>> {
private final byte[] myBuffer = IOUtil.allocReadWriteUTFBuffer();
@Override
public void save(DataOutput out, List<SourcePathAndRootIndex> value) throws IOException {
for (SourcePathAndRootIndex pair : value) {
IOUtil.writeUTFFast(myBuffer, out, pair.myPath);
out.writeInt(pair.getRootIndex());
}
}
@Override
public List<SourcePathAndRootIndex> read(DataInput in) throws IOException {
List<SourcePathAndRootIndex> result = new SmartList<SourcePathAndRootIndex>();
final DataInputStream stream = (DataInputStream)in;
while (stream.available() > 0) {
final String path = IOUtil.readUTFFast(myBuffer, stream);
final int index = stream.readInt();
result.add(new SourcePathAndRootIndex(path, index));
}
return result;
}
}
}
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