/*
* Copyright 2012 the original author or authors.
*
* 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.gradle.nativeplatform.toolchain.internal;
import com.google.common.collect.Lists;
import org.apache.commons.io.IOUtils;
import org.gradle.api.Action;
import org.gradle.api.Transformer;
import org.gradle.api.UncheckedIOException;
import org.gradle.platform.base.internal.toolchain.ArgWriter;
import org.gradle.util.GFileUtils;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
public class OptionsFileArgsTransformer implements Action<List<String>> {
private final Transformer<ArgWriter, PrintWriter> argWriterFactory;
private final File tempDir;
public OptionsFileArgsTransformer(Transformer<ArgWriter, PrintWriter> argWriterFactory, File tempDir) {
this.argWriterFactory = argWriterFactory;
this.tempDir = tempDir;
}
public void execute(List<String> args) {
List<String> original = Lists.newArrayList(args);
args.clear();
transformArgs(original, args, tempDir);
}
protected void transformArgs(List<String> input, List<String> output, File tempDir) {
GFileUtils.mkdirs(tempDir);
File optionsFile = new File(tempDir, "options.txt");
try {
PrintWriter writer = new PrintWriter(optionsFile);
try {
ArgWriter argWriter = argWriterFactory.transform(writer);
argWriter.args(input);
} finally {
IOUtils.closeQuietly(writer);
}
} catch (IOException e) {
throw new UncheckedIOException(String.format("Could not write compiler options file '%s'.", optionsFile.getAbsolutePath()), e);
}
output.add(String.format("@%s", optionsFile.getAbsolutePath()));
}
}