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From rdon...@apache.org
Subject cvs commit: jakarta-commons/betwixt/src/java/org/apache/commons/betwixt Options.java
Date Wed, 07 Apr 2004 21:13:31 GMT
rdonkin     2004/04/07 14:13:31

  Added:       betwixt/src/java/org/apache/commons/betwixt Options.java
  Log:
  Class for holding descriptor options
  
  Revision  Changes    Path
  1.1                  jakarta-commons/betwixt/src/java/org/apache/commons/betwixt/Options.java
  
  Index: Options.java
  ===================================================================
  /*
   * Copyright 2004 The Apache Software Foundation.
   * 
   * Licensed 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 org.apache.commons.betwixt;
  
  import java.util.HashMap;
  import java.util.Set;
  
  /**
   * Collective for <code>Betwixt</code> optional behaviour hints.
   * An option links a name with a value (both strings). 
   * 
   * @author <a href='http://jakarta.apache.org/'>Jakarta Commons Team</a>
   * @version $Revision: 1.1 $
   */
  public class Options {
      /** Empty string array for use with toArray  */
      private static final String[] EMPTY_STRING_ARRAY = {};
      /** Option values indexed by name */
      private HashMap valuesByName = new HashMap();
      
      /**
       * Gets the value (if any) associated with the given name.
       * @param name <code>String</code>, not null 
       * @return the associated value, or null if no value is assocated
       */
      public String getValue(String name) {
         return (String) valuesByName.get(name); 
      }
      
      /**
       * Gets the names of each option.
       * @return 
       */
      public String[] getNames() {
          Set names = valuesByName.keySet();
          return (String[]) names.toArray(EMPTY_STRING_ARRAY);
      }
      
      /**
       * Adds the option.
       * The rule with options is that the last call to set the
       * value with a given name wins.
       * @param name <code>String</code> name, not null
       * @param value <code>Strong</code> name, not null
       */
      public void addOption(String name, String value) {
          valuesByName.put(name, value);
      }
  }
  
  
  

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