Coverage report

  %line %branch
org.apache.jcs.auxiliary.remote.RemoteUtils
49% 
85% 

 1   
 package org.apache.jcs.auxiliary.remote;
 2   
 
 3   
 /*
 4   
  * Licensed to the Apache Software Foundation (ASF) under one
 5   
  * or more contributor license agreements.  See the NOTICE file
 6   
  * distributed with this work for additional information
 7   
  * regarding copyright ownership.  The ASF licenses this file
 8   
  * to you under the Apache License, Version 2.0 (the
 9   
  * "License"); you may not use this file except in compliance
 10   
  * with the License.  You may obtain a copy of the License at
 11   
  *
 12   
  *   http://www.apache.org/licenses/LICENSE-2.0
 13   
  *
 14   
  * Unless required by applicable law or agreed to in writing,
 15   
  * software distributed under the License is distributed on an
 16   
  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 17   
  * KIND, either express or implied.  See the License for the
 18   
  * specific language governing permissions and limitations
 19   
  * under the License.
 20   
  */
 21   
 
 22   
 import java.io.IOException;
 23   
 import java.io.InputStream;
 24   
 import java.rmi.RMISecurityManager;
 25   
 import java.rmi.RemoteException;
 26   
 import java.rmi.registry.LocateRegistry;
 27   
 import java.rmi.registry.Registry;
 28   
 import java.util.Enumeration;
 29   
 import java.util.Properties;
 30   
 
 31   
 import org.apache.commons.logging.Log;
 32   
 import org.apache.commons.logging.LogFactory;
 33   
 
 34   
 /**
 35   
  * This class provides some basic utilities for doing things such as starting
 36   
  * the registry properly.
 37   
  */
 38   
 public class RemoteUtils
 39   
 {
 40  28 
     private final static Log log = LogFactory.getLog( RemoteUtils.class );
 41   
 
 42   
     /** No instances please. */
 43   
     private RemoteUtils()
 44   
     {
 45  0 
         super();
 46  0 
     }
 47   
 
 48   
     /**
 49   
      * Creates and exports a registry on the specified port of the local host.
 50   
      * <p>
 51   
      * @param port
 52   
      * @return the port the registry was started on
 53   
      * @throws RemoteException
 54   
      */
 55   
     public static int createRegistry( class="keyword">int port )
 56   
         throws RemoteException
 57   
     {
 58  14 
         if ( log.isInfoEnabled() )
 59   
         {
 60  14 
             log.info( "createRegistry> setting security manager" );
 61   
         }
 62  14 
         System.setSecurityManager( new RMISecurityManager() );
 63   
 
 64  14 
         if ( port < 1024 )
 65   
         {
 66  0 
             if ( log.isInfoEnabled() )
 67   
             {
 68  0 
                 log.info( "Port chosen was less than 1024, will use default [" + Registry.REGISTRY_PORT + "] instead." );
 69   
             }
 70  0 
             port = Registry.REGISTRY_PORT;
 71   
         }
 72   
 
 73  14 
         if ( log.isInfoEnabled() )
 74   
         {
 75  14 
             log.info( "createRegistry> creating registry on port [" + port + "]" );
 76   
         }
 77  14 
         LocateRegistry.createRegistry( port );
 78  7 
         return port;
 79   
     }
 80   
 
 81   
     /**
 82   
      * Loads properties for the named props file.
 83   
      * <p>
 84   
      * @param propFile
 85   
      * @return The properties object for the file
 86   
      * @throws IOException
 87   
      */
 88   
     public static Properties loadProps( String propFile )
 89   
         throws IOException
 90   
     {
 91  7 
         InputStream is = RemoteUtils.class.getResourceAsStream( propFile );
 92  7 
         Properties props = new Properties();
 93   
         try
 94   
         {
 95  7 
             props.load( is );
 96  7 
             if ( log.isDebugEnabled() )
 97   
             {
 98  0 
                 log.debug( "props.size=" + props.size() );
 99   
             }
 100   
 
 101  7 
             if ( log.isDebugEnabled() )
 102   
             {
 103  0 
                 if ( props != null )
 104   
                 {
 105  0 
                     Enumeration en = props.keys();
 106  0 
                     StringBuffer buf = new StringBuffer();
 107  0 
                     while ( en.hasMoreElements() )
 108   
                     {
 109  0 
                         String key = (String) en.nextElement();
 110  0 
                         buf.append( "\n" + key + " = " + props.getProperty( key ) );
 111  0 
                     }
 112  0 
                     log.debug( buf.toString() );
 113  0 
                 }
 114   
                 else
 115   
                 {
 116  0 
                     log.debug( "props is null" );
 117   
                 }
 118   
             }
 119   
 
 120   
         }
 121  0 
         catch ( Exception ex )
 122   
         {
 123  0 
             log.error( "Error loading remote properties, for file name [" + propFile + "]", ex );
 124   
         }
 125   
         finally
 126   
         {
 127  7 
             if ( is != null )
 128   
             {
 129  7 
                 is.close();
 130  7 
             }
 131  0 
         }
 132  7 
         return props;
 133   
     }
 134   
 }

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