/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.synapse.commons.datasource;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.synapse.commons.SynapseCommonsException;
import javax.sql.DataSource;
/**
* Finds a DataSource from DataSource Repositories
*/
public class RepositoryBasedDataSourceFinder {
private final static Log log = LogFactory.getLog(RepositoryBasedDataSourceFinder.class);
private DataSourceRepositoryManager dataSourceRepositoryManager;
private boolean initialized;
public void init(DataSourceRepositoryManager dataSourceRepositoryManager) {
this.dataSourceRepositoryManager = dataSourceRepositoryManager;
this.initialized = true;
}
/**
* Find a DataSource using the given name
*
* @param name name of the DataSource to be found
* @return DataSource if found , otherwise null
*/
public DataSource find(String name) {
assertInitialized();
if (name == null || "".equals(name)) {
throw new SynapseCommonsException("DataSource name cannot be found.", log);
}
return dataSourceRepositoryManager.getDataSource(name);
}
private void assertInitialized() {
if (!initialized) {
throw new SynapseCommonsException("RepositoryBasedDataSourceFinder has not been " +
"initialized with a 'DataSourceRepositoryManager' instance ", log);
}
}
public boolean isInitialized() {
return initialized;
}
}