krysalis-update/src/java/org/krysalis/depot/update/config UpdaterConfig.java,NONE,1.1 ConfigXMLEntryTable.java,NONE,1.1

Update of /cvsroot/krysalis/krysalis-update/src/java/org/krysalis/depot/update/config
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv24726/src/java/org/krysalis/depot/update/config

Added Files:
	UpdaterConfig.java ConfigXMLEntryTable.java 
Log Message:
Copied from the apache incubator.

--- NEW FILE: ConfigXMLEntryTable.java ---
/*
 * Copyright  2004 The Apache Software Foundation
 *
 *  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.krysalis.depot.update.config;

import org.krysalis.depot.update.repository.DefaultRepository;
import org.krysalis.depot.update.repository.RepositoryAttribute;
import org.krysalis.depot.update.repository.RepositorySet;
import org.krysalis.depot.update.util.net.VirtualResourceLocator;
import org.krysalis.depot.update.util.xml.XMLEntryTable;
import org.krysalis.depot.update.util.xml.XMLGrouperElement;
import org.krysalis.depot.update.util.xml.XMLTagConstants;


/**
 * Concrete Implementation of an XMLEntryTable, provides some default classes for the configuration:
 * <br/>
 * <table>
 * 	<tr>
 * 		<th>Tag</th>
 * 		<th>Class</th>
 *  </tr>
 *  <tr>
 * 		<td>config</td>
 * 		<td>{@link org.krysalis.depot.update.util.xml.XMLGrouperElement }</td>
 *  </tr>
 *  <tr>
 * 		<td>repositoryset</td>
 * 		<td>{@link org.krysalis.depot.update.repository.RepositorySet }</td>
 *  </tr>
 *  <tr>
 * 		<td>repository</td>
 * 		<td>{@link org.krysalis.depot.update.repository.DefaultRepository }</td>
 *  </tr>
 *  <tr>
 * 		<td>repository.url</td>
 * 		<td>{@link org.krysalis.depot.update.util.net.VirtualResourceLocator }</td>
 *  </tr>
 *  <tr>
 * 		<td>repository.active</td>
 * 		<td>{@link org.krysalis.depot.update.repository.RepositoryAttribute }</td>
 *  </tr>
 *  <tr>
 * 		<td>repository.remote</td>
 * 		<td>{@link org.krysalis.depot.update.repository.RepositoryAttribute }</td>
 *  </tr> 
 * </table>
 * <br/>
 * Every class used here must provide the methods for the provided attributes. 
 * 
 * @author <a href="http://incubator.apache.org/depot">The Apache Incubator Depot Project</a>
 */
public class ConfigXMLEntryTable extends XMLEntryTable {

	/**
	 * 
	 */
	public ConfigXMLEntryTable() {
		super();
		m_entryToClassMap.put(
			XMLTagConstants.CONFIG_TAG,
			XMLGrouperElement.XML_GROUPER_ELEMENT_CLASSNAME);
		
		// Repository Set
		m_entryToClassMap.put(
			XMLTagConstants.REPOSITORYSET_TAG,
			RepositorySet.REPOSITORYSET_CLASSNAME);
			
		// Repository
		m_entryToClassMap.put(
			XMLTagConstants.REPOSITORY_TAG,
			DefaultRepository.DEFAULT_REPOSITORY_CLASSNAME);
		m_entryToClassMap.put(
			XMLTagConstants.REPOSITORY_URL_TAG,
			VirtualResourceLocator.VRL_CLASSNAME);
		m_entryToClassMap.put(
			XMLTagConstants.REPOSITORY_ACTIVE_TAG,
			RepositoryAttribute.REPOSITORY_ATTRIBUTE_CLASSNAME);
		m_entryToClassMap.put(
			XMLTagConstants.REPOSITORY_REMOTE_TAG,
			RepositoryAttribute.REPOSITORY_ATTRIBUTE_CLASSNAME);
	}
}
--- NEW FILE: UpdaterConfig.java ---
/*
 * Copyright  2004 The Apache Software Foundation
 *
 *  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.krysalis.depot.update.config;

import java.io.File;
import java.io.InputStream;

import org.krysalis.depot.common.log.Logger;
import org.krysalis.depot.common.util.envsafe.ClassLoaderContext;
import org.krysalis.depot.update.impl.ReferenceManager;
import org.krysalis.depot.update.util.UpdateConstants;
import org.krysalis.depot.update.util.text.MessageConstants;
import org.krysalis.depot.update.util.text.Messages;
import org.krysalis.depot.update.util.xml.XMLContext;
import org.krysalis.depot.update.util.xml.XMLEntryTable;
import org.krysalis.depot.update.util.xml.XMLParser;

/**
 * Provides the configuration of the depot-updater application. Basically reads the configuration
 * xml-file and populates the ReferenceManager's tables w/ configured objects.
 * 
 * @author <a href="http://incubator.apache.org/depot">The Apache Incubator Depot Project</a>
 */
public class UpdaterConfig {
	private static boolean l_configured = false;

	public static synchronized void configure(String resourceName) {
		try {
			XMLEntryTable xmlEntryTable = new ConfigXMLEntryTable();
			XMLContext xmlContext = null;
			
			ClassLoaderContext helper = new ClassLoaderContext(xmlEntryTable);
			
			XMLParser parser = new XMLParser(xmlEntryTable, helper);
			
			File configFile = new File(resourceName);
			if (configFile.exists()) {
				Logger.getLogger().info(
					Messages.getString(
						MessageConstants.CONFIG,
						new Object[] { "file", resourceName }));
				xmlContext = parser.parse(configFile);
			}
			else {
				InputStream resource =
				helper.getResourceAsStream(
						resourceName);
				if (resource == null) {
					resource = ClassLoader.getSystemResourceAsStream(resourceName);
				}
				
				Logger.getLogger().info(
					Messages.getString(
						MessageConstants.CONFIG,
						new Object[] { "resource", resourceName }));
				xmlContext = parser.parse(resource);
			}

			if (null == xmlContext)
				Logger.getLogger().error(
					Messages.getString(
						MessageConstants.UNABLE_TO_LOAD_CONFIG,
						resourceName));

		}
		catch (Exception exp) {
			Logger.getLogger().error(
				Messages.getString(MessageConstants.CONFIG_PARSER_ERROR),
				exp);
		}
	}

	public static void configure() {
		if (!l_configured) {
			configure(UpdateConstants.DEFAULT_CONFIG_XML);
			l_configured = true;
		}
	}

	public static void main(String[] args) throws Exception {
		Logger.testInit();
		UpdaterConfig.configure();
		ReferenceManager.dump();
	}
}



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