com.erigir.wrench.drigo.processor.GZipFileProcessor 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 org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.*;
import java.util.zip.GZIPOutputStream;
/**
* 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.
**/
public class GZipFileProcessor extends AbstractFileProcessor {
private static final Logger LOG = LoggerFactory.getLogger(ApplyHtmlBatchingFilterProcessor.class);
public static int totalSaved = 0;
public boolean innerProcess(File src, File dst, DrigoResults results)
throws DrigoException, IOException {
InputStream is = new FileInputStream(src);
OutputStream os = new GZIPOutputStream(new FileOutputStream(dst));
IOUtils.copy(is, os);
IOUtils.closeQuietly(is);
IOUtils.closeQuietly(os);
long delta = dst.length() - src.length();
totalSaved += delta;
results.addMetadata(src, "content-encoding", "gzip");
return true;
}
}