Clover coverage report - Code Coverage for hivemind release 1.1-beta-1
Coverage timestamp: Thu Apr 28 2005 19:53:41 EDT
file stats: LOC: 74   Methods: 1
NCLOC: 27   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
InstanceCreationUtils.java 100% 100% 100% 100%
coverage
 1   
 // Copyright 2005 The Apache Software Foundation
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 //
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 // Licensed under the Apache License, Version 2.0 (the "License");
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 // you may not use this file except in compliance with the License.
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 // You may obtain a copy of the License at
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 //
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 //     http://www.apache.org/licenses/LICENSE-2.0
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 //
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 // Unless required by applicable law or agreed to in writing, software
 10   
 // distributed under the License is distributed on an "AS IS" BASIS,
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 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 // See the License for the specific language governing permissions and
 13   
 // limitations under the License.
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 15   
 package org.apache.hivemind.util;
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 17   
 import org.apache.hivemind.ApplicationRuntimeException;
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 import org.apache.hivemind.HiveMind;
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 import org.apache.hivemind.Location;
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 import org.apache.hivemind.internal.Module;
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 22   
 /**
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  * Code for creating an instance, possibly setting its {@link org.apache.hivemind.Location}, and
 24   
  * possibly initializing its properties.
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  * 
 26   
  * @author Howard M. Lewis Ship
 27   
  * @since 1.1
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  */
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 public class InstanceCreationUtils
 30   
 {
 31   
     /**
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      * Creates an instance.
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      * 
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      * @param module
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      *            the referencing module, used to resolve partial class names
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      * @param initializer
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      *            The name of the class to instantiate, possibly followed by a list of properties
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      *            and values. I.e. <code>com.examples.MyBean,property=value</code>.
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      * @param location
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      *            The location to assign to the newly created instance, if it implements
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      *            {@link org.apache.hivemind.LocationHolder}. Also the location used to report
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      *            errors creating or configuring the instance.
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      */
 44  6273
     public static Object createInstance(Module module, String initializer, Location location)
 45   
     {
 46  6273
         int commax = initializer.indexOf(',');
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 48  6273
         String className = (commax < 0) ? initializer : initializer.substring(0, commax);
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 50  6273
         Class objectClass = module.resolveType(className);
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 52  6272
         try
 53   
         {
 54  6272
             Object result = objectClass.newInstance();
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 56  6269
             HiveMind.setLocation(result, location);
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 58  6269
             if (commax > 0)
 59  6
                 PropertyUtils.configureProperties(result, initializer.substring(commax + 1));
 60   
 
 61  6268
             return result;
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         }
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         catch (Exception ex)
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         {
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             // JDK 1.4 produces a good message here, but JDK 1.3 does not, so we
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             // create our own.
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 68  4
             throw new ApplicationRuntimeException(UtilMessages.unableToInstantiateInstanceOfClass(
 69   
                     objectClass,
 70   
                     ex), location, ex);
 71   
         }
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 73   
     }
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 }