package org.apache.continuum.distributed.commons.utils;
   
   /*
    * 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.
   */
  
  import java.util.Map;
  
  /**
   * ContinuumDistributedUtil
   */
  public class ContinuumDistributedUtil
  {
      public static final String KEY_PROJECT_ID = "project-id";
  
      public static final String KEY_PROJECT_GROUP_ID = "project-group-id";
  
      public static final String KEY_PROJECT_NAME = "project-name";
  
      public static final String KEY_ARTIFACT_ID = "artifact-id";
  
      public static int getProjectId( Map<String, Object> context )
      {
          return getInteger( context, KEY_PROJECT_ID );
      }
  
      public static int getProjectGroupId( Map<String, Object> context )
      {
          return getInteger( context, KEY_PROJECT_GROUP_ID );
      }
  
      public static String getArtifactId( Map<String, Object> context )
      {
          return getString( context, KEY_ARTIFACT_ID );
      }
  
      public static String getProjectName( Map<String, Object> context )
      {
          return getString( context, KEY_PROJECT_NAME );
      }
  
      public static String getProjectNameAndId( Map<String, Object> context )
      {
          StringBuilder result = new StringBuilder();
  
          if ( getProjectName( context ) != null )
          {
              result.append( getProjectName( context ) ).append( " " );
          }
          else if ( getArtifactId( context ) != null )
          {
              result.append( getArtifactId( context ) ).append( " " );
          }
  
          if ( context.containsKey( KEY_PROJECT_ID ) )
          {
              result.append( "(projectId=" ).append( getProjectId( context ) ).append( ")" );
          }
          else
          {
              result.append( "(projectGroupId=" ).append( getProjectGroupId( context ) ).append( ")" );
          }
  
          return result.toString();
      }
  
      // ----------------------------------------------------------------------
      //
      // ----------------------------------------------------------------------
  
      private static String getString( Map<String, Object> context, String key )
      {
          Object obj = getObject( context, key, null );
  
          if ( obj == null )
          {
              return null;
          }
          else
          {
              return (String) obj;
          }
      }
  
     private static int getInteger( Map<String, Object> context, String key )
     {
         Object obj = getObject( context, key, null );
 
         if ( obj == null )
         {
             return 0;
         }
         else
         {
             return (Integer) obj;
         }
     }
 
     private static Object getObject( Map<String, Object> context, String key, Object defaultValue )
     {
         Object value = context.get( key );
 
         if ( value == null )
         {
             return defaultValue;
         }
 
         return value;
     }
 }