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/**
* GzipResponseInterceptor
* Copyright 2010 by Sebastian Gaebel
* First released 01.07.2010 at http://yacy.net
*
* $LastChangedDate$
* $LastChangedRevision$
* $LastChangedBy$
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program in the file lgpl21.txt
* If not, see <http://www.gnu.org/licenses/>.
*/
package net.yacy.cora.protocol.http;
import java.io.IOException;
import net.yacy.cora.protocol.HeaderFramework;
import org.apache.http.Header;
import org.apache.http.HeaderElement;
import org.apache.http.HttpEntity;
import org.apache.http.HttpException;
import org.apache.http.HttpResponse;
import org.apache.http.HttpResponseInterceptor;
import org.apache.http.client.entity.GzipDecompressingEntity;
import org.apache.http.protocol.HttpContext;
public class GzipResponseInterceptor implements HttpResponseInterceptor {
@Override
public void process(final HttpResponse response, final HttpContext context) throws HttpException, IOException {
if (context == null) {
throw new IllegalArgumentException("HTTP context may not be null");
}
HttpEntity entity = response.getEntity();
if (entity != null) {
Header ceheader = entity.getContentEncoding();
if (ceheader != null) {
HeaderElement[] codecs = ceheader.getElements();
for (int i = 0; i < codecs.length; i++) {
if (codecs[i].getName().equalsIgnoreCase(HeaderFramework.CONTENT_ENCODING_GZIP)) {
// response.removeHeader(ceheader);
response.setEntity(new GzipDecompressingEntity(response.getEntity()));
return;
}
}
}
}
}
}
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