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// Copyright 2015 Google Inc. All rights reserved.
//
// 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 com.google.devtools.build.lib.bazel.repository;
import com.google.common.base.Optional;
import com.google.devtools.build.lib.vfs.Path;
import com.google.devtools.build.skyframe.SkyKey;
import com.google.devtools.build.skyframe.SkyValue;
import java.io.IOException;
import java.util.Objects;
import javax.annotation.Nullable;
/**
* The contents of decompressed archive.
*/
public class DecompressorValue implements SkyValue {
private final Path directory;
public DecompressorValue(Path repositoryPath) {
directory = repositoryPath;
}
public Path getDirectory() {
return directory;
}
@Override
public boolean equals(Object other) {
if (this == other) {
return true;
}
if (!(other instanceof DecompressorValue)) {
return false;
}
return directory.equals(((DecompressorValue) other).directory);
}
@Override
public int hashCode() {
return directory.hashCode();
}
public static SkyKey fileKey(
String targetKind, String targetName, Path archivePath, Path repositoryPath) {
return new SkyKey(
FileFunction.NAME,
new DecompressorDescriptor(targetKind, targetName, archivePath, repositoryPath));
}
public static SkyKey jarKey(
String targetKind, String targetName, Path archivePath, Path repositoryPath) {
return new SkyKey(JarFunction.NAME,
new DecompressorDescriptor(targetKind, targetName, archivePath, repositoryPath));
}
public static SkyKey key(
String targetKind, String targetName, Path archivePath, Path repositoryPath)
throws IOException {
return key(targetKind, targetName, archivePath, repositoryPath, null);
}
public static SkyKey key(
String targetKind, String targetName, Path archivePath, Path repositoryPath,
@Nullable String prefix)
throws IOException {
String baseName = archivePath.getBaseName();
DecompressorDescriptor descriptor =
new DecompressorDescriptor(targetKind, targetName, archivePath, repositoryPath, prefix);
if (baseName.endsWith(".zip") || baseName.endsWith(".jar") || baseName.endsWith(".war")) {
return new SkyKey(ZipFunction.NAME, descriptor);
} else if (baseName.endsWith(".tar.gz") || baseName.endsWith(".tgz")) {
return new SkyKey(TarGzFunction.NAME, descriptor);
} else {
throw new IOException(
String.format("Expected %s %s to create file with a .zip, .jar, .war, .tar.gz, or .tgz"
+ " suffix (got %s)", targetKind, targetName, archivePath));
}
}
/**
* Description of an archive to be decompressed for use in a SkyKey.
* TODO(bazel-team): this should be an autovalue class.
*/
public static class DecompressorDescriptor {
private final String targetKind;
private final String targetName;
private final Path archivePath;
private final Path repositoryPath;
private final Optional<String> prefix;
private DecompressorDescriptor(String targetKind, String targetName, Path archivePath,
Path repositoryPath) {
this(targetKind, targetName, archivePath, repositoryPath, null);
}
private DecompressorDescriptor(String targetKind, String targetName, Path archivePath,
Path repositoryPath, @Nullable String prefix) {
this.targetKind = targetKind;
this.targetName = targetName;
this.archivePath = archivePath;
this.repositoryPath = repositoryPath;
this.prefix = Optional.fromNullable(prefix);
}
public String targetKind() {
return targetKind;
}
public String targetName() {
return targetName;
}
public Path archivePath() {
return archivePath;
}
public Path repositoryPath() {
return repositoryPath;
}
public Optional<String> prefix() {
return prefix;
}
@Override
public boolean equals(Object other) {
if (this == other) {
return true;
}
if (!(other instanceof DecompressorDescriptor)) {
return false;
}
DecompressorDescriptor descriptor = (DecompressorDescriptor) other;
return targetKind.equals(descriptor.targetKind)
&& targetName.equals(descriptor.targetName)
&& archivePath.equals(descriptor.archivePath)
&& repositoryPath.equals(descriptor.repositoryPath)
&& prefix.equals(descriptor.prefix);
}
@Override
public int hashCode() {
return Objects.hash(targetKind, targetName, archivePath, repositoryPath, prefix);
}
}
}
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