1 package org.eclipse.aether.transport.http;
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22 import org.apache.http.Header;
23 import org.apache.http.HttpResponse;
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25 import javax.inject.Named;
26 import javax.inject.Singleton;
27 import java.util.HashMap;
28 import java.util.Map;
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42 @Singleton
43 @Named( XChecksumChecksumExtractor.NAME )
44 public class XChecksumChecksumExtractor
45 extends ChecksumExtractor
46 {
47 public static final String NAME = "x-checksum";
48
49 @Override
50 public Map<String, String> extractChecksums( HttpResponse response )
51 {
52 String value;
53 HashMap<String, String> result = new HashMap<>();
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55 value = extractChecksum( response, "x-checksum-sha1" );
56 if ( value != null )
57 {
58 result.put( "SHA-1", value );
59 }
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61 value = extractChecksum( response, "x-checksum-md5" );
62 if ( value != null )
63 {
64 result.put( "MD5", value );
65 }
66 if ( !result.isEmpty() )
67 {
68 return result;
69 }
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71 value = extractChecksum( response, "x-goog-meta-checksum-sha1" );
72 if ( value != null )
73 {
74 result.put( "SHA-1", value );
75 }
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77 value = extractChecksum( response, "x-goog-meta-checksum-md5" );
78 if ( value != null )
79 {
80 result.put( "MD5", value );
81 }
82
83 return result.isEmpty() ? null : result;
84 }
85
86 private String extractChecksum( HttpResponse response, String name )
87 {
88 Header header = response.getFirstHeader( name );
89 return header != null ? header.getValue() : null;
90 }
91 }