Fixed netconf monitoring.

[controller.git] / opendaylight / netconf / netconf-impl / src / main / java / org / opendaylight / controller / netconf / impl / util / AdditionalHeaderUtil.java

diff --git a/opendaylight/netconf/netconf-impl/src/main/java/org/opendaylight/controller/netconf/impl/util/AdditionalHeaderUtil.java b/opendaylight/netconf/netconf-impl/src/main/java/org/opendaylight/controller/netconf/impl/util/AdditionalHeaderUtil.java
new file mode 100644 (file)
index 0000000..5c630dd
--- /dev/null
+++ b/opendaylight/netconf/netconf-impl/src/main/java/org/opendaylight/controller/netconf/impl/util/AdditionalHeaderUtil.java
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.controller.netconf.impl.util;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.opendaylight.controller.netconf.impl.NetconfServerSessionNegotiator.AdditionalHeader;
+
+import com.google.common.base.Preconditions;
+
+public class AdditionalHeaderUtil {
+
+    private static final Pattern pattern = Pattern
+            .compile("\\[(?<username>[^;]+);(?<address>[0-9\\.]+)[:/](?<port>[0-9]+);(?<transport>[a-z]+)[^\\]]+\\]");
+    private static final Pattern customHeaderPattern = Pattern
+            .compile("\\[(?<username>[^;]+);(?<address>[0-9\\.]+)[:/](?<port>[0-9]+);(?<transport>[a-z]+);(?<sessionIdentifier>[a-z]+)[^\\]]+\\]");
+
+    public static AdditionalHeader fromString(String additionalHeader) {
+        additionalHeader = additionalHeader.trim();
+        Matcher matcher = pattern.matcher(additionalHeader);
+        Matcher matcher2 = customHeaderPattern.matcher(additionalHeader);
+        Preconditions.checkArgument(matcher.matches(), "Additional header in wrong format %s, expected %s",
+                additionalHeader, pattern);
+        String username = matcher.group("username");
+        String address = matcher.group("address");
+        String transport = matcher.group("transport");
+        String sessionIdentifier = "client";
+        if (matcher2.matches()) {
+            sessionIdentifier = matcher2.group("sessionIdentifier");
+        }
+        return new AdditionalHeader(username, address, transport, sessionIdentifier);
+    }
+
+}