Bugfix: URI-PATH-Length

    URI-Path segments are now limited to 255 bytes (instead of 270)
    exception will be thrown if not (on client and server side)

ws4d-jcoap/src/org/ws4d/coap/messages/AbstractCoapMessage.java

@@ -538,7 +538,7 @@ public abstract class AbstractCoapMessage implements CoapMessage {
 	    int shortLength;
 	    int longLength;
 	    int deserializedLength;
-	    static final int MAX_LENGTH = 270;
+	    static final int MAX_LENGTH = 255;
 	
 	    public int getDeserializedLength() {
 			return deserializedLength;

ws4d-jcoap/src/org/ws4d/coap/messages/BasicCoapRequest.java

@@ -89,10 +89,6 @@ public class BasicCoapRequest extends AbstractCoapMessage implements CoapRequest
 	public void setUriPath(String path) {
 		if (path == null) return;
 		
-//		if (path.length() > CoapHeaderOption.MAX_LENGTH ){
-//			throw new IllegalArgumentException("Uri-Path option too long");
-//		}
-		
 		/* delete old options if present */
 		options.removeOption(CoapHeaderOptionType.Uri_Path);
 		

ws4d-jcoap/src/org/ws4d/coap/rest/BasicCoapResource.java

@@ -50,11 +50,18 @@ public class BasicCoapResource implements CoapResource {
 	Boolean reliableNotification = null;
 	
 	/** 
-	 * The Unix time (in milliseconds), when resource expires 
+	 * The Unix time (in milliseconds), when resource expires<br> 
 	 * -1, when resource never expires */
 	long expires = -1;
 
 	public BasicCoapResource(String path, byte[] value, CoapMediaType mediaType) {
+		path = path.trim();
+		String[] segments = path.split("/");
+		for(String segment : segments){
+			if(segment.getBytes().length > 255 ){
+				throw new IllegalArgumentException("Uri-Path too long");
+			}
+		}
 		this.path = path;
 		this.value = value;
 		this.mediaType = mediaType;