src/commons/org/codehaus/groovy/grails/commons/metaclass/AbstractDynamicConstructor.java

   1 /*
   2  * Copyright 2004-2005 the original author or authors.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.codehaus.groovy.grails.commons.metaclass;
  17 /**
  18  * <p>Abstract class that provides default implementation for isArgumentsMatch
  19  *
  20  * @author Graeme Rocher
  21  * @since 0.2
  22  *
  23  * Date Created: 9th June 2006
  24  */
  25
  26 public abstract class AbstractDynamicConstructor implements DynamicConstructor {
  27
  28         private Class[] argumentTypes;
  29
  30         /**
  31          * Takes an array of types required to match this constructor
  32          *
  33          * @param argumentTypes The argument types
  34          */
  35         public AbstractDynamicConstructor(Class[] argumentTypes) {
  36                 this.argumentTypes = argumentTypes;
  37         }
  38
  39         /**
  40          * @return True if the arguments types match those specified in the constructor
  41          */
  42         public boolean isArgumentsMatch(Object[] args) {
  43                 if(args.length != argumentTypes.length)
  44                         return false;
  45                 else {
  46                         for (int i = 0; i < args.length; i++) {
  47                                 if(!args[i].getClass().equals(argumentTypes[i]))
  48                                         return false;
  49                         }
  50                 }
  51                 return true;
  52         }
  53
  54         public abstract Object invoke(Class clazz, Object[] args);
  55
  56 }