/* 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.activiti.explorer.ui;
import org.activiti.engine.ActivitiException;
import org.activiti.explorer.Environments;
/**
* @author Joram Barrez
*/
public abstract class NoParamComponentFactory<T> implements ComponentFactory<T>{
protected Class<? extends T> clazz;
public void initialise(String environment) {
if (environment.equals(Environments.ALFRESCO)) {
clazz = getAlfrescoComponentClass();
} else {
clazz = getDefaultComponentClass();
}
}
public T create() {
try {
return clazz.newInstance();
} catch (Exception e) {
throw new ActivitiException("Couldn't instantiate class " + clazz, e);
}
}
protected abstract Class<? extends T> getAlfrescoComponentClass();
protected abstract Class<? extends T> getDefaultComponentClass();
}