Java: introducing websocket support.

1 files changed, 56 insertions, 0 deletions

diff --git a/src/java/nginx/unit/websocket/WsHandshakeResponse.java b/src/java/nginx/unit/websocket/WsHandshakeResponse.java
new file mode 100644
index 00000000..6e57ffd5
--- /dev/null
+++ b/src/java/nginx/unit/websocket/WsHandshakeResponse.java
@@ -0,0 +1,56 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package nginx.unit.websocket;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+
+import javax.websocket.HandshakeResponse;
+
+import org.apache.tomcat.util.collections.CaseInsensitiveKeyMap;
+
+/**
+ * Represents the response to a WebSocket handshake.
+ */
+public class WsHandshakeResponse implements HandshakeResponse {
+
+    private final Map<String,List<String>> headers = new CaseInsensitiveKeyMap<>();
+
+
+    public WsHandshakeResponse() {
+    }
+
+
+    public WsHandshakeResponse(Map<String,List<String>> headers) {
+        for (Entry<String,List<String>> entry : headers.entrySet()) {
+            if (this.headers.containsKey(entry.getKey())) {
+                this.headers.get(entry.getKey()).addAll(entry.getValue());
+            } else {
+                List<String> values = new ArrayList<>(entry.getValue());
+                this.headers.put(entry.getKey(), values);
+            }
+        }
+    }
+
+
+    @Override
+    public Map<String,List<String>> getHeaders() {
+        return headers;
+    }
+}