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    1   /***
    2    * @(#)PersistenceManagerFactoryServiceImpl.java
    3    *
    4    * JFoxSOAF, Service-Oriented Application Framework
    5    *
    6    * Copyright(c) JFoxSOAF Team
    7    *
    8    * Licensed under the GNU LGPL, Version 2.1 (the "License");
    9    * you may not use this file except in compliance with the License.
    10   * You may obtain a copy of the License at
    11   *
    12   * http://www.gnu.org/copyleft/lesser.html
    13   *
    14   * Unless required by applicable law or agreed to in writing, software
    15   * distributed under the License is distributed on an "AS IS" BASIS,
    16   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    17   * See the License for the specific language governing permissions and
    18   * limitations under the License.
    19   *
    20   * For more information, please visit:
    21   * http://sourceforge.net/projects/jfox
    22   */
    23
    24  package org.huihoo.jfox.soaf.services.persistence;
    25
    26  import java.io.IOException;
    27  import java.util.HashMap;
    28  import java.util.Iterator;
    29  import java.util.Properties;
    30  import java.util.Set;
    31
    32  import javax.jdo.JDOHelper;
    33  import javax.jdo.PersistenceManagerFactory;
    34
    35  import org.apache.commons.logging.Log;
    36  import org.apache.commons.logging.LogFactory;
    37  import org.huihoo.jfox.soaf.util.resource.ResourceHelper;
    38  import org.picocontainer.Startable;
    39
    40  /***
    41   * <p>
    42   * PersistenceManagerFactory Service Implementation
    43   * </p>
    44   *
    45   * @author <a href="mailto:founder_chen@yahoo.com.cn">Peter Cheng </a>
    46   * @version $Revision: 1.1 $ $Date: 2006/02/15 08:45:45 $
    47   * @version Revision: 1.0
    48   */
    49
    50  public class PersistenceManagerFactoryServiceImpl implements
    51  		PersistenceManagerFactoryService, Startable {
    52
    53  	private final Log logger = LogFactory.getLog(getClass());
    54
    55  	private static String JDO_MULTI_CONFIG = "jdo-multi.properties";
    56
    57  	private static String JDO_DEFAULT_CONFIG = "jdo.default";
    58
    59  	private Properties props;
    60
    61  	private HashMap hashMap = new HashMap();
    62
    63  	/***
    64  	 * @see org.huihoo.jfox.soaf.services.persistence.PersistenceManagerFactoryService#getPersistenceManagerFactory(java.lang.String)
    65  	 */
    66  	public PersistenceManagerFactory getPersistenceManagerFactory(String key) {
    67  		if (key == null) {
    68  			return (PersistenceManagerFactory) hashMap.get(JDO_DEFAULT_CONFIG);
    69  		} else {
    70  			return (PersistenceManagerFactory) hashMap.get(key);
    71  		}
    72  	}
    73
    74  	/***
    75  	 * @see org.picocontainer.Startable#start()
    76  	 */
    77  	public void start() {
    78  		loadConfig();
    79  	}
    80
    81  	/***
    82  	 * @see org.picocontainer.Startable#stop()
    83  	 */
    84  	public void stop() {
    85  	}
    86
    87  	/***
    88  	 * Load configuation.
    89  	 */
    90  	private void loadConfig() {
    91  		try {
    92  			props = ResourceHelper.getResourceAsProperties(JDO_MULTI_CONFIG);
    93  			Set set = props.keySet();
    94  			Iterator iter = set.iterator();
    95  			while (iter.hasNext()) {
    96  				String key = (String) iter.next();
    97  				String value = props.getProperty(key);
    98  				buildPersistenceManagerFactory(key, value);
    99  			}
    100 		} catch (Exception e) {
    101 			logger.error("JDO multi configuration initialization failed ", e);
    102 		}
    103 	}
    104
    105 	/***
    106 	 * Build PersistenceManagerFactory.
    107 	 *
    108 	 * @param key
    109 	 * @param value
    110 	 * @throws IOException
    111 	 */
    112 	private void buildPersistenceManagerFactory(String key, String value)
    113 			throws IOException {
    114 		Properties prop = ResourceHelper.getResourceAsProperties(value);
    115 		PersistenceManagerFactory pmFactory = JDOHelper
    116 				.getPersistenceManagerFactory(prop);
    117 		hashMap.put(key, pmFactory);
    118 	}
    119
    120 }