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comparison src/org/eclipse/jetty/util/resource/Resource.java @ 827:f89abbfb3a8f

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remove Resource.getWeakETag()
author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 15 Sep 2016 16:21:56 -0600
parents 7fb7c1915788
children 7c737c376bc3
comparison
equal deleted inserted replaced
826:6ebf86e4d2ca 827:f89abbfb3a8f
29 import java.net.URLConnection; 29 import java.net.URLConnection;
30 import java.text.DateFormat; 30 import java.text.DateFormat;
31 import java.util.Arrays; 31 import java.util.Arrays;
32 import java.util.Date; 32 import java.util.Date;
33 33
34 import java.util.Base64;
35 import org.eclipse.jetty.util.IO; 34 import org.eclipse.jetty.util.IO;
36 import org.eclipse.jetty.util.Loader; 35 import org.eclipse.jetty.util.Loader;
37 import org.eclipse.jetty.util.StringUtil; 36 import org.eclipse.jetty.util.StringUtil;
38 import org.eclipse.jetty.util.URIUtil; 37 import org.eclipse.jetty.util.URIUtil;
39 import org.slf4j.Logger; 38 import org.slf4j.Logger;
639 throw new IllegalArgumentException(destination+" exists"); 638 throw new IllegalArgumentException(destination+" exists");
640 writeTo(new FileOutputStream(destination),0,-1); 639 writeTo(new FileOutputStream(destination),0,-1);
641 } 640 }
642 641
643 /* ------------------------------------------------------------ */ 642 /* ------------------------------------------------------------ */
644 public String getWeakETag()
645 {
646 StringBuilder b = new StringBuilder(32);
647 b.append("W/\"");
648
649 long lhash = lastModified() ^ getName().hashCode() ^ length();
650 byte[] a = new byte[Long.BYTES];
651 for( int i=0; i<a.length; i++ ) {
652 a[i] = (byte)lhash;
653 lhash >>= 8;
654 }
655 b.append( Base64.getEncoder().encodeToString(a) );
656
657 b.append('"');
658 return b.toString();
659 }
660
661 /* ------------------------------------------------------------ */
662 /** Generate a properly encoded URL from a {@link File} instance. 643 /** Generate a properly encoded URL from a {@link File} instance.
663 * @param file Target file. 644 * @param file Target file.
664 * @return URL of the target file. 645 * @return URL of the target file.
665 * @throws MalformedURLException 646 * @throws MalformedURLException
666 */ 647 */