// Copyright 2004 The Apache Software Foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package org.apache.hivemind.service.impl;
import org.apache.hivemind.ApplicationRuntimeException;
import org.apache.hivemind.ClassResolver;
import org.apache.hivemind.HiveMind;
import org.apache.hivemind.Location;
import org.apache.hivemind.internal.Module;
import org.apache.hivemind.service.ObjectProvider;
/**
* Implementation of {@link org.apache.hivemind.service.ObjectProvider}
* that instantiates a new instance of a class. Mapped to the
* "instance:" prefix.
*
* @author Howard Lewis Ship
*/
public class ObjectInstanceObjectProvider implements ObjectProvider
{
public Object provideObject(
Module contributingModule,
Class propertyType,
String locator,
Location location)
{
ClassResolver resolver = contributingModule.getClassResolver();
Class instanceClass = resolver.findClass(locator);
try
{
Object result = instanceClass.newInstance();
HiveMind.setLocation(result, location);
return result;
}
catch (Exception ex)
{
throw new ApplicationRuntimeException(
ServiceMessages.errorInstantiatingInstance(instanceClass, ex),
location,
ex);
}
}
}