[Archive-access-cvs] SF.net SVN: archive-access:[2815] trunk/archive-access/projects/wayback/ wayback-core/src/main/java/org/archive/wayback/replay/HttpHeaderOperation. java

[<bra...@us...>]

Revision: 2815
          http://archive-access.svn.sourceforge.net/archive-access/?rev=2815&view=rev
Author:   bradtofel
Date:     2009-10-22 23:41:35 +0000 (Thu, 22 Oct 2009)

Log Message:
-----------
REFACTOR: generalized the header search to allow adding isChunkEncoded()

Modified Paths:
--------------
    trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/replay/HttpHeaderOperation.java

Modified: trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/replay/HttpHeaderOperation.java
===================================================================
--- trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/replay/HttpHeaderOperation.java	2009-10-22 23:39:32 UTC (rev 2814)
+++ trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/replay/HttpHeaderOperation.java	2009-10-22 23:41:35 UTC (rev 2815)
@@ -42,6 +42,14 @@
  * @version $Date$, $Revision$
  */
 public class HttpHeaderOperation {
+	public final static String HTTP_LENGTH_HEADER = "Content-Length";
+	public final static String HTTP_LENGTH_HEADER_UP = 
+		HTTP_LENGTH_HEADER.toUpperCase();
+	public final static String HTTP_TRANSFER_ENC_HEADER = 
+		"Transfer-Encoding".toUpperCase();
+	public final static String HTTP_CHUNKED_ENCODING_HEADER = 
+		"chunked".toUpperCase();
+
 	
 	/**
 	 * @param resource
@@ -102,4 +110,31 @@
 			response.setHeader(key,value);
 		}
 	}
+	
+	public static String getContentLength(Map<String,String> headers) {
+		return getHeaderValue(headers,HTTP_LENGTH_HEADER);
+	}
+	public static boolean isChunkEncoded(Map<String,String> headers) {
+		String enc = getHeaderValue(headers,HTTP_TRANSFER_ENC_HEADER);
+		if(enc != null) {
+			return enc.toUpperCase().contains(HTTP_CHUNKED_ENCODING_HEADER);
+		}
+		return false;
+	}
+	public static String getHeaderValue(Map<String,String> headers, String k) {
+		String value = null;
+		Iterator<String> itr = headers.keySet().iterator();
+		String keyUp = k.toUpperCase();
+		while(itr.hasNext()) {
+			String key = itr.next();
+			if(key != null) {
+				if(key.toUpperCase().contains(keyUp)) {
+					value = headers.get(key);
+					break;
+				}
+			}
+		}
+		return value;
+	}
+
 }


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