Coverage Report - groovyx.net.http.GZIPEncoding
 
Classes in this File Line Coverage Branch Coverage Complexity
GZIPEncoding
100%
4/4
N/A
0
GZIPEncoding$GZIPDecompressingEntity
100%
4/4
N/A
0
 
 1  
 /*
 2  
  * Copyright 2003-2008 the original author or authors.
 3  
  *
 4  
  * Licensed under the Apache License, Version 2.0 (the "License");
 5  
  * you may not use this file except in compliance with the License.
 6  
  * You may obtain a copy of the License at
 7  
  *
 8  
  *     http://www.apache.org/licenses/LICENSE-2.0
 9  
  *
 10  
  * Unless required by applicable law or agreed to in writing, software
 11  
  * distributed under the License is distributed on an "AS IS" BASIS,
 12  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 13  
  * See the License for the specific language governing permissions and
 14  
  * limitations under the License.
 15  
  *
 16  
  * You are receiving this code free of charge, which represents many hours of
 17  
  * effort from other individuals and corporations.  As a responsible member 
 18  
  * of the community, you are asked (but not required) to donate any 
 19  
  * enhancements or improvements back to the community under a similar open 
 20  
  * source license.  Thank you. -TMN
 21  
  */
 22  
 package groovyx.net.http;
 23  
 
 24  
 import static groovyx.net.http.ContentEncoding.Type.GZIP;
 25  
 
 26  
 import java.io.IOException;
 27  
 import java.io.InputStream;
 28  
 import java.util.zip.GZIPInputStream;
 29  
 
 30  
 import org.apache.http.HttpEntity;
 31  
 import org.apache.http.entity.HttpEntityWrapper;
 32  
 
 33  
 /**
 34  
  * Content encoding used to handle GZIP responses.
 35  
  * @author <a href='mailto:tnichols@enernoc.com'>Tom Nichols</a>
 36  
  */
 37  15
 public class GZIPEncoding extends ContentEncoding {
 38  
 
 39  
         /**
 40  
          * Returns the {@link Type#GZIP} encoding string which is added to the 
 41  
          * <code>Accept</code> header by the base class.
 42  
          */
 43  
         @Override
 44  
         public String getContentEncoding() {
 45  30
                 return GZIP.toString();
 46  
         }
 47  
         
 48  
         /**
 49  
          * Wraps the raw entity in a {@link GZIPDecompressingEntity}.
 50  
          */
 51  
         @Override
 52  
         public HttpEntity wrapResponseEntity( HttpEntity raw ) {
 53  3
                 return new GZIPDecompressingEntity( raw );
 54  
         }
 55  
         
 56  
         /**
 57  
          * Entity used to interpret a GZIP-encoded response
 58  
          * @author <a href='mailto:tnichols@enernoc.com'>Tom Nichols</a>
 59  
          */
 60  15
     protected static class GZIPDecompressingEntity extends HttpEntityWrapper {
 61  
 
 62  
         public GZIPDecompressingEntity(final HttpEntity entity) {
 63  3
             super(entity);
 64  3
         }
 65  
     
 66  
         /**
 67  
          * returns a {@link GZIPInputStream} which wraps the original entity's
 68  
          * content stream
 69  
          * @see HttpEntity#getContent()
 70  
          */
 71  
         @Override
 72  
         public InputStream getContent() throws IOException, IllegalStateException {
 73  3
             return new GZIPInputStream( wrappedEntity.getContent() );
 74  
         }
 75  
 
 76  
         /**
 77  
          * @return -1
 78  
          */
 79  
         @Override
 80  
         public long getContentLength() {
 81  
             // length of un-gzipped content is not known
 82  3
             return -1;
 83  
         }
 84  
     }
 85  
 }