com.erigir.wrench.drigo.processor.BabelCompilationProcessor Maven / Gradle / Ivy
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package com.erigir.wrench.drigo.processor;
import com.erigir.wrench.drigo.DrigoException;
import com.erigir.wrench.drigo.DrigoResults;
import org.apache.commons.io.IOUtils;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
/**
* Copyright 2014 Christopher Weiss
*
* 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.
**/
/**
* Runs the babel javascript compiler on the supplied file (requires bable instaelled on machine)
*/
public class BabelCompilationProcessor extends AbstractFileProcessor {
@Override
public boolean innerProcess(File src, File dst, DrigoResults results)
throws DrigoException, IOException {
try {
String[] args = new String[]{"babel", src.getAbsolutePath(), "--compact", "true", "--comments", "false"};
Process p = Runtime.getRuntime().exec(args);
p.waitFor();
String output = IOUtils.toString(p.getInputStream());
FileWriter fw = new FileWriter(dst);
fw.write(output);
fw.close();
} catch (InterruptedException ie) {
// do nothing
}
return true;
}
}