/*******************************************************************************
* Copyright 2014 Federal Chancellery Austria
* MOA-ID has been developed in a cooperation between BRZ, the Federal
* Chancellery Austria - ICT staff unit, and Graz University of Technology.
*
* Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
* the European Commission - subsequent versions of the EUPL (the "Licence");
* You may not use this work except in compliance with the Licence.
* You may obtain a copy of the Licence at:
* http://www.osor.eu/eupl/
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the Licence is distributed on an "AS IS" basis,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the Licence for the specific language governing permissions and
* limitations under the Licence.
*
* This product combines work with different licenses. See the "NOTICE" text
* file for details on the various modules and licenses.
* The "NOTICE" text file is part of the distribution. Any derivative works
* that you distribute must include a readable copy of the "NOTICE" text file.
******************************************************************************/
/*
* Copyright 2003 Federal Chancellery Austria
* MOA-ID has been developed in a cooperation between BRZ, the Federal
* Chancellery Austria - ICT staff unit, and Graz University of Technology.
*
* Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
* the European Commission - subsequent versions of the EUPL (the "Licence");
* You may not use this work except in compliance with the Licence.
* You may obtain a copy of the Licence at:
* http://www.osor.eu/eupl/
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the Licence is distributed on an "AS IS" basis,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the Licence for the specific language governing permissions and
* limitations under the Licence.
*
* This product combines work with different licenses. See the "NOTICE" text
* file for details on the various modules and licenses.
* The "NOTICE" text file is part of the distribution. Any derivative works
* that you distribute must include a readable copy of the "NOTICE" text file.
*/
package at.gv.egovernment.moa.id.proxy;
import java.util.HashMap;
import java.util.Map;
import at.gv.egovernment.moa.id.config.ConfigurationException;
import at.gv.egovernment.moa.id.config.proxy.OAProxyParameter;
import at.gv.egovernment.moa.id.config.proxy.ProxyConfigurationProvider;
/**
* Factory delivering a {@link ConnectionBuilder} implementation for
* an online application, initialized from configuration data.
* @author Paul Ivancsics
* @version $Id$
*/
public class ConnectionBuilderFactory {
/** default connection builder to be used for online application
* where no special implementation of the ConnectionBuilder
* interface is configured
*/
private static ConnectionBuilder defaultConnectionBuilder;
/** mapping from online application public URL prefix to an implementation
* of the ConnectionBuilder
interface to be used;
* if no mapping is given for an online application, the
* DefaultConnectionBuilder
will be used */
private static Map connectionBuilderMap;
/**
* Initializes the ConnectionBuilder
map from the configuration data.
* @throws ConfigurationException when the configuration cannot be read,
* or when a class name configured cannot be instantiated
*/
public static void initialize() throws ConfigurationException {
defaultConnectionBuilder = new DefaultConnectionBuilder();
connectionBuilderMap = new HashMap();
ProxyConfigurationProvider proxyConf = ProxyConfigurationProvider.getInstance();
for (int i = 0; i < proxyConf.getOnlineApplicationParameters().length; i++) {
OAProxyParameter oaParam = proxyConf.getOnlineApplicationParameters()[i];
String publicURLPrefix = oaParam.getPublicURLPrefix();
String className = oaParam.getConnectionBuilderImpl();
if (className != null) {
try {
ConnectionBuilder cb = (ConnectionBuilder)Class.forName(className).newInstance();
connectionBuilderMap.put(publicURLPrefix, cb);
}
catch (Throwable ex) {
throw new ConfigurationException("config.07", new Object[] {publicURLPrefix}, ex);
}
}
}
}
/**
* Gets the ConnectionBuilder
implementation to be used for the given
* online application.
* @param publicURLPrefix public URL prefix of the online application
* @return ConnectionBuilder
implementation
*/
public static ConnectionBuilder getConnectionBuilder(String publicURLPrefix) {
ConnectionBuilder cb = (ConnectionBuilder) connectionBuilderMap.get(publicURLPrefix);
if (cb == null)
return defaultConnectionBuilder;
else
return cb;
}
}