[VIVO-1375] Upgrade to Servlet 3.0 spec

api/src/test/java/stubs/javax/servlet/http/HttpServletResponseStub.java

@@ -7,6 +7,7 @@ import java.io.IOException;
 import java.io.OutputStreamWriter;
 import java.io.PrintWriter;
 import java.io.StringWriter;
+import java.util.Collection;
 import java.util.HashMap;
 import java.util.Locale;
 import java.util.Map;
@@ -14,6 +15,7 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import javax.servlet.ServletOutputStream;
+import javax.servlet.WriteListener;
 import javax.servlet.http.Cookie;
 import javax.servlet.http.HttpServletResponse;
 
@@ -62,6 +64,16 @@ public class HttpServletResponseStub implements HttpServletResponse {
 		return headers.get(name);
 	}
 
+	@Override
+	public Collection<String> getHeaders(String s) {
+		return null;
+	}
+
+	@Override
+	public Collection<String> getHeaderNames() {
+		return null;
+	}
+
 	// ----------------------------------------------------------------------
 	// Stub methods
 	// ----------------------------------------------------------------------
@@ -115,6 +127,16 @@ public class HttpServletResponseStub implements HttpServletResponse {
 		}
 
 		return new ServletOutputStream() {
+			@Override
+			public boolean isReady() {
+				return true;
+			}
+
+			@Override
+			public void setWriteListener(WriteListener writeListener) {
+
+			}
+
 			@Override
 			public void write(int thisChar) throws IOException {
 				outputStream.write(thisChar);
@@ -214,6 +236,11 @@ public class HttpServletResponseStub implements HttpServletResponse {
 				"HttpServletResponseStub.setContentLength() not implemented.");
 	}
 
+	@Override
+	public void setContentLengthLong(long l) {
+
+	}
+
 	@Override
 	public void setLocale(Locale arg0) {
 		throw new RuntimeException(