Clover coverage report - Code Coverage for hivemind release 1.1-rc-1
Coverage timestamp: Fri Sep 23 2005 10:46:55 EDT
file stats: LOC: 74   Methods: 1
NCLOC: 27   Classes: 1
 
 Source file Conditionals Statements Methods TOTAL
InstanceCreationUtils.java 100% 100% 100% 100%
coverage
 1    // Copyright 2005 The Apache Software Foundation
 2    //
 3    // Licensed under the Apache License, Version 2.0 (the "License");
 4    // you may not use this file except in compliance with the License.
 5    // You may obtain a copy of the License at
 6    //
 7    // http://www.apache.org/licenses/LICENSE-2.0
 8    //
 9    // Unless required by applicable law or agreed to in writing, software
 10    // distributed under the License is distributed on an "AS IS" BASIS,
 11    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 12    // See the License for the specific language governing permissions and
 13    // limitations under the License.
 14   
 15    package org.apache.hivemind.util;
 16   
 17    import org.apache.hivemind.ApplicationRuntimeException;
 18    import org.apache.hivemind.HiveMind;
 19    import org.apache.hivemind.Location;
 20    import org.apache.hivemind.internal.Module;
 21   
 22    /**
 23    * Code for creating an instance, possibly setting its {@link org.apache.hivemind.Location}, and
 24    * possibly initializing its properties.
 25    *
 26    * @author Howard M. Lewis Ship
 27    * @since 1.1
 28    */
 29    public class InstanceCreationUtils
 30    {
 31    /**
 32    * Creates an instance.
 33    *
 34    * @param module
 35    * the referencing module, used to resolve partial class names
 36    * @param initializer
 37    * The name of the class to instantiate, possibly followed by a list of properties
 38    * and values. I.e. <code>com.examples.MyBean,property=value</code>.
 39    * @param location
 40    * The location to assign to the newly created instance, if it implements
 41    * {@link org.apache.hivemind.LocationHolder}. Also the location used to report
 42    * errors creating or configuring the instance.
 43    */
 44  6820 public static Object createInstance(Module module, String initializer, Location location)
 45    {
 46  6820 int commax = initializer.indexOf(',');
 47   
 48  6820 String className = (commax < 0) ? initializer : initializer.substring(0, commax);
 49   
 50  6820 Class objectClass = module.resolveType(className);
 51   
 52  6819 try
 53    {
 54  6819 Object result = objectClass.newInstance();
 55   
 56  6816 HiveMind.setLocation(result, location);
 57   
 58  6816 if (commax > 0)
 59  6 PropertyUtils.configureProperties(result, initializer.substring(commax + 1));
 60   
 61  6815 return result;
 62    }
 63    catch (Exception ex)
 64    {
 65    // JDK 1.4 produces a good message here, but JDK 1.3 does not, so we
 66    // create our own.
 67   
 68  4 throw new ApplicationRuntimeException(UtilMessages.unableToInstantiateInstanceOfClass(
 69    objectClass,
 70    ex), location, ex);
 71    }
 72   
 73    }
 74    }