opendaylight/netconf/netconf-util/src/main/java/org/opendaylight/controller/netconf/util/osgi/NetconfConfigUtil.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.controller.netconf.util.osgi;
  10
  11 import com.google.common.base.Optional;
  12 import java.net.InetSocketAddress;
  13 import org.osgi.framework.BundleContext;
  14 import static com.google.common.base.Preconditions.checkNotNull;
  15
  16     public class NetconfConfigUtil {
  17     private static final String PREFIX_PROP = "netconf.";
  18
  19     private enum InfixProp {
  20         tcp, ssh
  21     }
  22
  23     private static final String PORT_SUFFIX_PROP = ".port";
  24     private static final String ADDRESS_SUFFIX_PROP = ".address";
  25
  26     public static InetSocketAddress extractTCPNetconfAddress(BundleContext context, String exceptionMessageIfNotFound) {
  27
  28         Optional<InetSocketAddress> inetSocketAddressOptional = extractSomeNetconfAddress(context, InfixProp.tcp, exceptionMessageIfNotFound);
  29
  30         if (inetSocketAddressOptional.isPresent() == false) {
  31             throw new IllegalStateException("Netconf tcp address not found." + exceptionMessageIfNotFound);
  32         }
  33         return inetSocketAddressOptional.get();
  34     }
  35
  36     public static Optional<InetSocketAddress> extractSSHNetconfAddress(BundleContext context, String exceptionMessage) {
  37         return extractSomeNetconfAddress(context, InfixProp.ssh, exceptionMessage);
  38     }
  39
  40     /**
  41      * @param context
  42      *            from which properties are being read.
  43      * @param infixProp
  44      *            either tcp or ssh
  45      * @return value if address and port are valid.
  46      * @throws IllegalStateException
  47      *             if address or port are invalid, or configuration is missing
  48      */
  49     private static Optional<InetSocketAddress> extractSomeNetconfAddress(BundleContext context,
  50             InfixProp infixProp, String exceptionMessage) {
  51         String address = context.getProperty(PREFIX_PROP + infixProp + ADDRESS_SUFFIX_PROP);
  52         if (address == null) {
  53             throw new IllegalStateException("Cannot find initial netconf configuration for parameter    "
  54                     +PREFIX_PROP + infixProp + ADDRESS_SUFFIX_PROP
  55                     +" in config.ini. "+exceptionMessage);
  56         }
  57         String portKey = PREFIX_PROP + infixProp + PORT_SUFFIX_PROP;
  58         String portString = context.getProperty(portKey);
  59         checkNotNull(portString, "Netconf port must be specified in properties file with " + portKey);
  60         try {
  61             int port = Integer.valueOf(portString);
  62             return Optional.of(new InetSocketAddress(address, port));
  63         } catch (RuntimeException e) {
  64             throw new IllegalStateException("Cannot create " + infixProp + " netconf address from address:" + address
  65                     + " and port:" + portString, e);
  66         }
  67     }
  68 }