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// Copyright 2014 The Bazel Authors. 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.rules.java;
import static com.google.common.base.Preconditions.checkNotNull;
import com.google.common.base.Joiner;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableList.Builder;
import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
import java.util.List;
/**
* Information about the JDK used by the <code>java_*</code> rules.
*
* <p>This class contains the data of the {@code java_toolchain} rules.
*/
// TODO(cushon): inline this into JavaToolchainProvider (it used to be shared with other tools).
@Immutable
public class JavaToolchainData {
public enum SupportsWorkers {
NO,
YES
}
private final String sourceVersion;
private final String targetVersion;
private final Iterable<String> bootclasspath;
private final Iterable<String> extclasspath;
private final String encoding;
private final ImmutableList<String> options;
private final ImmutableList<String> jvmOpts;
private boolean javacSupportsWorkers;
public JavaToolchainData(
String sourceVersion,
String targetVersion,
Iterable<String> bootclasspath,
Iterable<String> extclasspath,
String encoding,
List<String> xlint,
List<String> misc,
List<String> jvmOpts,
SupportsWorkers javacSupportsWorkers) {
this.sourceVersion = checkNotNull(sourceVersion, "sourceVersion must not be null");
this.targetVersion = checkNotNull(targetVersion, "targetVersion must not be null");
this.bootclasspath = checkNotNull(bootclasspath, "bootclasspath must not be null");
this.extclasspath = checkNotNull(extclasspath, "extclasspath must not be null");
this.encoding = checkNotNull(encoding, "encoding must not be null");
this.jvmOpts = ImmutableList.copyOf(jvmOpts);
this.javacSupportsWorkers = javacSupportsWorkers.equals(SupportsWorkers.YES);
Builder<String> builder = ImmutableList.<String>builder();
if (!sourceVersion.isEmpty()) {
builder.add("-source", sourceVersion);
}
if (!targetVersion.isEmpty()) {
builder.add("-target", targetVersion);
}
if (!encoding.isEmpty()) {
builder.add("-encoding", encoding);
}
if (!xlint.isEmpty()) {
builder.add("-Xlint:" + Joiner.on(",").join(xlint));
}
this.options = builder.addAll(misc).build();
}
/**
* @return the list of options as given by the {@code java_toolchain} rule.
*/
public ImmutableList<String> getJavacOptions() {
return options;
}
/**
* @return the list of options to be given to the JVM when invoking the java compiler and
* associated tools.
*/
public ImmutableList<String> getJvmOptions() {
return jvmOpts;
}
public String getSourceVersion() {
return sourceVersion;
}
public String getTargetVersion() {
return targetVersion;
}
public Iterable<String> getBootclasspath() {
return bootclasspath;
}
public Iterable<String> getExtclasspath() {
return extclasspath;
}
public String getEncoding() {
return encoding;
}
public boolean getJavacSupportsWorkers() {
return javacSupportsWorkers;
}
}
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