View Javadoc
1 /*** 2 * Redistribution and use of this software and associated documentation 3 * ("Software"), with or without modification, are permitted provided 4 * that the following conditions are met: 5 * 6 * 1. Redistributions of source code must retain copyright 7 * statements and notices. Redistributions must also contain a 8 * copy of this document. 9 * 10 * 2. Redistributions in binary form must reproduce the 11 * above copyright notice, this list of conditions and the 12 * following disclaimer in the documentation and/or other 13 * materials provided with the distribution. 14 * 15 * 3. The name "Exolab" must not be used to endorse or promote 16 * products derived from this Software without prior written 17 * permission of Exoffice Technologies. For written permission, 18 * please contact info@exolab.org. 19 * 20 * 4. Products derived from this Software may not be called "Exolab" 21 * nor may "Exolab" appear in their names without prior written 22 * permission of Exoffice Technologies. Exolab is a registered 23 * trademark of Exoffice Technologies. 24 * 25 * 5. Due credit should be given to the Exolab Project 26 * (http://www.exolab.org/). 27 * 28 * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS 29 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT 30 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 31 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 32 * EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 33 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 34 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 35 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 37 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 39 * OF THE POSSIBILITY OF SUCH DAMAGE. 40 * 41 * Copyright 2000-2001,2003 (C) Exoffice Technologies Inc. All Rights Reserved. 42 * 43 * $Id: ConfigurationLoader.java,v 1.9 2003/10/29 04:58:32 tanderson Exp $ 44 */ 45 package org.exolab.jms.config; 46 47 import java.io.FileReader; 48 import java.io.IOException; 49 import java.io.InputStream; 50 import java.io.InputStreamReader; 51 52 import org.exolab.castor.xml.MarshalException; 53 import org.exolab.castor.xml.Unmarshaller; 54 import org.exolab.castor.xml.ValidationException; 55 import org.exolab.jms.config.types.SchemeType; 56 57 58 /*** 59 * The ConfigurationLoader loads a {@link Configuration} document and populates 60 * unset items with those provided by <code>DefaultConfiguration</code> 61 * 62 * @version $Revision: 1.9 $ $Date: 2003/10/29 04:58:32 $ 63 * @author <a href="mailto:tima@intalio.com">Tim Anderson</a> 64 * @see Configuration 65 */ 66 public class ConfigurationLoader { 67 68 /*** 69 * The default configuration path as a resource 70 */ 71 private static final String DEFAULT_CONFIG = 72 "/org/exolab/jms/config/openjms_defaults.xml"; 73 74 public ConfigurationLoader() { 75 } 76 77 /*** 78 * Load the configuraiton information from the specified file and 79 * return it. 80 * 81 * @param path the path to the file 82 * @return the configuration file 83 * @throws IOException 84 * @throws MarshalException 85 * @throws ValidationException 86 */ 87 public Configuration load(String path) 88 throws IOException, MarshalException, ValidationException { 89 90 Configuration result = null; 91 FileReader reader = new FileReader(path); 92 try { 93 Unmarshaller stream = new Unmarshaller(Configuration.class); 94 AttributeExpander handler = new AttributeExpander(reader); 95 result = (Configuration) stream.unmarshal(handler); 96 } finally { 97 reader.close(); 98 } 99 return load(result); 100 } 101 102 public Configuration load(Configuration config) 103 throws IOException, MarshalException, ValidationException { 104 DefaultConfiguration defaults = getDefaults(); 105 106 if (config.getServerConfiguration() == null) { 107 config.setServerConfiguration(defaults.getServerConfiguration()); 108 } 109 if (config.getConnectors() == null) { 110 config.setConnectors(defaults.getConnectors()); 111 } 112 if (config.getLoggerConfiguration() == null) { 113 config.setLoggerConfiguration(defaults.getLoggerConfiguration()); 114 } 115 if (config.getTcpConfiguration() == null) { 116 config.setTcpConfiguration(defaults.getTcpConfiguration()); 117 } 118 if (config.getTcpsConfiguration() == null) { 119 config.setTcpsConfiguration(defaults.getTcpsConfiguration()); 120 } 121 if (config.getRmiConfiguration() == null) { 122 config.setRmiConfiguration(defaults.getRmiConfiguration()); 123 } 124 if (config.getHttpConfiguration() == null) { 125 config.setHttpConfiguration(defaults.getHttpConfiguration()); 126 } 127 if (config.getHttpsConfiguration() == null) { 128 config.setHttpsConfiguration(defaults.getHttpsConfiguration()); 129 } 130 if (config.getMessageManagerConfiguration() == null) { 131 config.setMessageManagerConfiguration( 132 defaults.getMessageManagerConfiguration()); 133 } 134 if (config.getSchedulerConfiguration() == null) { 135 config.setSchedulerConfiguration( 136 defaults.getSchedulerConfiguration()); 137 } 138 if (config.getGarbageCollectionConfiguration() == null) { 139 config.setGarbageCollectionConfiguration( 140 defaults.getGarbageCollectionConfiguration()); 141 } 142 if (config.getSecurityConfiguration() == null) { 143 config.setSecurityConfiguration( 144 defaults.getSecurityConfiguration()); 145 } 146 if (config.getServerConfiguration().getEmbeddedJNDI()) { 147 // populate the JNDI configuration with the default values for 148 // the connector 149 config.setJndiConfiguration( 150 JndiConfigurationFactory.create(config)); 151 } else if (config.getJndiConfiguration() == null) { 152 throw new ValidationException( 153 "JndiConfiguration must be provided when " + 154 "ServerConfiguation/embeddedJNDI is true"); 155 } 156 return config; 157 } 158 159 private DefaultConfiguration getDefaults() 160 throws IOException, MarshalException, ValidationException { 161 162 DefaultConfiguration result = null; 163 InputStream source = getClass().getResourceAsStream(DEFAULT_CONFIG); 164 if (source == null) { 165 throw new IOException( 166 "Failed to find default configuration: " + DEFAULT_CONFIG); 167 } 168 try { 169 Unmarshaller stream = new Unmarshaller(DefaultConfiguration.class); 170 AttributeExpander handler = new AttributeExpander( 171 new InputStreamReader(source)); 172 result = (DefaultConfiguration) stream.unmarshal(handler); 173 } finally { 174 try { 175 source.close(); 176 } catch (IOException ignore) { 177 } 178 } 179 return result; 180 } 181 182 } //-- ConfigurationLoader

This page was automatically generated by Maven