Clover coverage report - groovy - 1.0-beta-7
Coverage timestamp: Wed Sep 29 2004 16:55:52 BST
file stats: LOC: 146   Methods: 8
NCLOC: 69   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
Expando.java 0% 0% 0% 0%
coverage
 1   
 /*
 2   
  $Id: Expando.java,v 1.3 2004/07/20 22:26:46 jstump Exp $
 3   
 
 4   
  Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
 5   
 
 6   
  Redistribution and use of this software and associated documentation
 7   
  ("Software"), with or without modification, are permitted provided
 8   
  that the following conditions are met:
 9   
 
 10   
  1. Redistributions of source code must retain copyright
 11   
     statements and notices.  Redistributions must also contain a
 12   
     copy of this document.
 13   
 
 14   
  2. Redistributions in binary form must reproduce the
 15   
     above copyright notice, this list of conditions and the
 16   
     following disclaimer in the documentation and/or other
 17   
     materials provided with the distribution.
 18   
 
 19   
  3. The name "groovy" must not be used to endorse or promote
 20   
     products derived from this Software without prior written
 21   
     permission of The Codehaus.  For written permission,
 22   
     please contact info@codehaus.org.
 23   
 
 24   
  4. Products derived from this Software may not be called "groovy"
 25   
     nor may "groovy" appear in their names without prior written
 26   
     permission of The Codehaus. "groovy" is a registered
 27   
     trademark of The Codehaus.
 28   
 
 29   
  5. Due credit should be given to The Codehaus -
 30   
     http://groovy.codehaus.org/
 31   
 
 32   
  THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS
 33   
  ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
 34   
  NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 35   
  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
 36   
  THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 37   
  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 38   
  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 39   
  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 40   
  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 41   
  STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 42   
  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 43   
  OF THE POSSIBILITY OF SUCH DAMAGE.
 44   
 
 45   
  */
 46   
 package groovy.util;
 47   
 
 48   
 import groovy.lang.Closure;
 49   
 import groovy.lang.GroovyObjectSupport;
 50   
 import groovy.lang.GroovyRuntimeException;
 51   
 import groovy.lang.MetaExpandoProperty;
 52   
 
 53   
 import java.util.HashMap;
 54   
 import java.util.Map;
 55   
 import java.util.Map.Entry;
 56   
 import java.util.List;
 57   
 import java.util.ArrayList;
 58   
 import java.util.Iterator;
 59   
 
 60   
 
 61   
 /**
 62   
  * Represents a dynamically expandable bean.
 63   
  * 
 64   
  * @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
 65   
  * @version $Revision: 1.3 $
 66   
  */
 67   
 public class Expando extends GroovyObjectSupport {
 68   
 
 69   
     private Map expandoProperties;
 70   
 
 71  0
     public Expando() {
 72   
     }
 73   
 
 74  0
     public Expando(Map expandoProperties) {
 75  0
         this.expandoProperties = expandoProperties;
 76   
     }
 77   
 
 78   
     /**
 79   
      * @return the dynamically expanded properties
 80   
      */
 81  0
     public Map getExpandoProperties() {
 82  0
         if (expandoProperties == null) {
 83  0
             expandoProperties = createMap();
 84   
         }
 85  0
         return expandoProperties;
 86   
     }
 87   
     
 88  0
     public List getProperties() {
 89   
         // run through all our current properties and create MetaProperty objects
 90  0
         List ret = new ArrayList();
 91  0
         Iterator itr = getExpandoProperties().entrySet().iterator();
 92  0
         while(itr.hasNext()) {
 93  0
             Entry entry = (Entry) itr.next();
 94  0
             ret.add(new MetaExpandoProperty(entry));
 95   
         }
 96   
         
 97  0
         return ret;
 98   
     }
 99   
 
 100  0
     public Object getProperty(String property) {
 101  0
         try {
 102  0
             return super.getProperty(property);
 103   
         }
 104   
         catch (GroovyRuntimeException e) {
 105  0
             return getExpandoProperties().get(property);
 106   
         }
 107   
     }
 108   
 
 109  0
     public void setProperty(String property, Object newValue) {
 110  0
         try {
 111  0
             super.setProperty(property, newValue);
 112   
         }
 113   
         catch (GroovyRuntimeException e) {
 114  0
             getExpandoProperties().put(property, newValue);
 115   
         }
 116   
     }
 117   
 
 118  0
     public Object invokeMethod(String name, Object args) {
 119  0
         try {
 120  0
             return super.invokeMethod(name, args);
 121   
         }
 122   
         catch (GroovyRuntimeException e) {
 123   
             // br should get a "native" property match first. getProperty includes such fall-back logic
 124  0
             Object value = this.getProperty(name);
 125  0
             if (value instanceof Closure) {
 126  0
                 Closure closure = (Closure) value;
 127  0
                 closure.setDelegate(this);
 128  0
                 return closure.call(args);
 129   
             }
 130   
             else {
 131  0
                 throw e;
 132   
             }
 133   
         }
 134   
         
 135   
     }
 136   
     
 137   
     /**
 138   
      * Factory method to create a new Map used to store the expando properties map
 139   
      * @return a newly created Map implementation
 140   
      */
 141  0
     protected Map createMap() {
 142  0
         return new HashMap();
 143   
     }
 144   
 
 145   
 }
 146