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/*
* SonarQube
* Copyright (C) 2009-2024 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.scanner.cache;
import com.google.protobuf.ByteString;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.HashSet;
import java.util.Set;
import java.util.zip.GZIPOutputStream;
import org.sonar.api.batch.sensor.cache.ReadCache;
import org.sonar.scanner.protocol.internal.ScannerInternal.SensorCacheEntry;
import org.sonar.scanner.protocol.output.FileStructure;
import static org.sonar.api.utils.Preconditions.checkArgument;
import static org.sonar.api.utils.Preconditions.checkNotNull;
public class WriteCacheImpl implements ScannerWriteCache {
private final ReadCache readCache;
private final Set<String> keys = new HashSet<>();
private final FileStructure fileStructure;
private OutputStream stream = null;
public WriteCacheImpl(ReadCache readCache, FileStructure fileStructure) {
this.readCache = readCache;
this.fileStructure = fileStructure;
}
@Override
public void write(String key, InputStream data) {
checkNotNull(data);
try {
write(key, data.readAllBytes());
} catch (IOException e) {
throw new IllegalStateException("Failed to read sensor write cache data", e);
}
}
@Override
public void write(String key, byte[] data) {
checkNotNull(data);
checkKey(key);
try {
OutputStream out = getStream();
toProto(key, data).writeDelimitedTo(out);
keys.add(key);
} catch (IOException e) {
throw new IllegalStateException("Failed to write to sensor cache file", e);
}
}
private OutputStream getStream() throws IOException {
if (stream == null) {
stream = new GZIPOutputStream(new FileOutputStream(fileStructure.analysisCache()));
}
return stream;
}
@Override
public void copyFromPrevious(String key) {
checkArgument(readCache.contains(key), "Previous cache doesn't contain key '%s'", key);
write(key, readCache.read(key));
}
private static SensorCacheEntry toProto(String key, byte[] data) {
return SensorCacheEntry.newBuilder()
.setKey(key)
.setData(ByteString.copyFrom(data))
.build();
}
@Override
public void close() {
if (stream != null) {
try {
stream.close();
} catch (IOException e) {
throw new IllegalStateException("Failed to close sensor cache file", e);
}
}
}
private void checkKey(String key) {
checkNotNull(key);
checkArgument(!keys.contains(key), "Cache already contains key '%s'", key);
}
}
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