Ensure


1   package de.java2html.util;
2   
3   /**
4    * Provides convenient methods for checking contract parameters.
5    */
6   public class Ensure {
7   
8     public Ensure() {
9       super();
10    }
11  
12    public static void ensureArgumentNotNull(String   message, Object   object) throws IllegalArgumentException   {
13      ensureTrue(message, object != null);
14    }
15  
16    public static void ensureArgumentNotNull(Object   object) throws IllegalArgumentException   {
17      ensureArgumentNotNull("Object must not be null", object); //$NON-NLS-1$
18    }
19  
20    public static void ensureArgumentFalse(boolean state) throws IllegalArgumentException   {
21      ensureTrue("boolean must be false", !state); //$NON-NLS-1$
22    }
23  
24    public static void ensureArgumentFalse(String   message, boolean state) throws IllegalArgumentException   {
25      ensureTrue(message, !state);
26    }
27  
28    public static void ensureArgumentTrue(boolean state) throws IllegalArgumentException   {
29      ensureTrue("boolean must be true", state); //$NON-NLS-1$
30    }
31  
32    public static void ensureTrue(String   message, boolean state) throws IllegalArgumentException   {
33      if (!state){
34        throw new IllegalArgumentException  (message);
35      } 
36    }
37  }

A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame

Popular Tags