/* 
    P/P   *  Method: net.sourceforge.pebble.web.model.Model__static_init
          */
     1  /*
     2   * Copyright (c) 2003-2006, Simon Brown
     3   * All rights reserved.
     4   *
     5   * Redistribution and use in source and binary forms, with or without
     6   * modification, are permitted provided that the following conditions are met:
     7   *
     8   *   - Redistributions of source code must retain the above copyright
     9   *     notice, this list of conditions and the following disclaimer.
    10   *
    11   *   - Redistributions in binary form must reproduce the above copyright
    12   *     notice, this list of conditions and the following disclaimer in
    13   *     the documentation and/or other materials provided with the
    14   *     distribution.
    15   *
    16   *   - Neither the name of Pebble nor the names of its contributors may
    17   *     be used to endorse or promote products derived from this software
    18   *     without specific prior written permission.
    19   *
    20   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    21   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    22   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    23   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
    24   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
    25   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
    26   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
    27   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
    28   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    29   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    30   * POSSIBILITY OF SUCH DAMAGE.
    31   */
    32  package net.sourceforge.pebble.web.model;
    33  
    34  import java.util.HashMap;
    35  import java.util.Set;
    36  
    37  /**
    38   * Represents the model in web MVC.
    39   *
    40   * @author    Simon Brown
    41   */
         /* 
    P/P   *  Method: void net.sourceforge.pebble.web.model.Model()
          * 
          *  Postconditions:
          *    this.data == &new HashMap(Model#1)
          *    new HashMap(Model#1) num objects == 1
          */
    42  public class Model {
    43  
    44    private HashMap data = new HashMap();
    45  
    46    /**
    47     * Puts data into the model.
    48     *
    49     * @param name    the name of the data
    50     * @param value   the value
    51     */
    52    public void put(String name, Object value) {
             /* 
    P/P       *  Method: void put(String, Object)
              * 
              *  Preconditions:
              *    this.data != null
              */
    53      data.put(name, value);
    54    }
    55  
    56    /**
    57     * Gets data from the model.
    58     *
    59     * @param name    the name of the data
    60     * @return        the value
    61     */
    62    public Object get(String name) {
             /* 
    P/P       *  Method: Object get(String)
              * 
              *  Preconditions:
              *    this.data != null
              * 
              *  Postconditions:
              *    init'ed(return_value)
              */
    63      return data.get(name);
    64    }
    65  
    66    /**
    67     * Gets the set of all keys.
    68     *
    69     * @return a Set of String instances
    70     */
    71    public Set keySet() {
             /* 
    P/P       *  Method: Set keySet()
              * 
              *  Preconditions:
              *    this.data != null
              * 
              *  Postconditions:
              *    return_value != null
              */
    72      return data.keySet();
    73    }
    74  
    75    /**
    76     * Determines whether the model contains an element with the specified key.
    77     *
    78     * @param   key   a String
    79     * @return  true if an element with the key exists, false otherwise
    80     */
    81    public boolean contains(String key) {
             /* 
    P/P       *  Method: bool contains(String)
              * 
              *  Preconditions:
              *    this.data != null
              * 
              *  Postconditions:
              *    init'ed(return_value)
              */
    82      return data.containsKey(key);
    83    }
    84  
    85  }