Improve compliance to rfc

*) There is no status line in HTTP/0.9
*) Answers to HEAD requests should return the same headers as a GET request



git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@1664 6c8d7289-2bf4-0310-a012-ef5d649a1542

source/de/anomic/http/httpd.java

@@ -1275,13 +1275,13 @@ public final class httpd implements serverHandler {
             
             StringBuffer headerStringBuffer = new StringBuffer(560);
             
-            // write status line
-            headerStringBuffer.append(httpVersion).append(" ")
-                              .append(Integer.toString(httpStatusCode)).append(" ")
-                              .append(httpStatusText).append("\r\n");            
-            
-            // "HTTP/0.9" does not have a header in the response
+            // "HTTP/0.9" does not have a status line or header in the response
             if (! httpVersion.toUpperCase().equals("HTTP/0.9")) {                
+                // write status line
+                headerStringBuffer.append(httpVersion).append(" ")
+                                  .append(Integer.toString(httpStatusCode)).append(" ")
+                                  .append(httpStatusText).append("\r\n");
+
                 // prepare header
                 if (!header.containsKey(httpHeader.DATE)) 
                     header.put(httpHeader.DATE, httpc.dateString(httpc.nowDate()));

source/de/anomic/http/httpdFileHandler.java

@@ -662,8 +662,8 @@ public final class httpdFileHandler extends httpdAbstractHandler implements http
                     }
                     
                     // write the array to the client
-                    long contentLength     = method.equals(httpHeader.METHOD_HEAD)?-1:result.length;
-                    String contentEncoding = method.equals(httpHeader.METHOD_HEAD)?null:(zipContent)?"gzip":null;
+                    long contentLength     = result.length;
+                    String contentEncoding = (zipContent)?"gzip":null;
                     httpd.sendRespondHeader(this.connectionProperties, out, httpVersion, 200, null, mimeType, contentLength, targetDate, null, tp.getOutgoingHeader(), contentEncoding, null, nocache);
                     if (! method.equals(httpHeader.METHOD_HEAD)) {
                         Thread.sleep(200); // this solved the message problem (!!)
@@ -720,8 +720,8 @@ public final class httpdFileHandler extends httpdAbstractHandler implements http
                     
                     // write the file to the client
                     targetDate = new Date(targetFile.lastModified());
-                    long   contentLength    = method.equals(httpHeader.METHOD_HEAD)?-1:(zipContent)?-1:targetFile.length()-rangeStartOffset;
-                    String contentEncoding  = method.equals(httpHeader.METHOD_HEAD)?null:(zipContent)?"gzip":null;
+                    long   contentLength    = (zipContent)?-1:targetFile.length()-rangeStartOffset;
+                    String contentEncoding  = (zipContent)?"gzip":null;
                     String transferEncoding = (!httpVersion.equals(httpHeader.HTTP_VERSION_1_1))?null:(zipContent)?"chunked":null;
                     if (!httpVersion.equals(httpHeader.HTTP_VERSION_1_1) && zipContent) forceConnectionClose();