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| package org.apache.xindice.server; |
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| import org.apache.commons.logging.Log; |
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| import org.apache.commons.logging.LogFactory; |
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| import org.apache.xindice.core.Database; |
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| import org.apache.xindice.util.Configuration; |
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| import org.apache.xindice.util.XindiceException; |
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| import org.apache.xindice.xml.dom.DOMParser; |
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| import java.io.File; |
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| import java.io.FileInputStream; |
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| import java.io.IOException; |
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| public class ManagedServer { |
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| private static final Log log = LogFactory.getLog(ManagedServer.class); |
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| private Database db; |
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| private boolean running; |
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| public synchronized void start() throws Exception {
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| if (!running) {
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| configure();
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| running = true;
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| } else { |
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| log.warn("Start called on a running server, ignored");
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| } |
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| } |
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| public synchronized void stop() throws Exception {
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| if (running) {
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| db.close();
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| db = null;
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| running = false;
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| } else { |
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| log.warn("Stop called on a stopped server, ignored");
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| } |
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| } |
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| public synchronized void configure() throws IOException, XindiceException {
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| db = Database.getDatabase(loadConfiguration());
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| if (log.isInfoEnabled()) {
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| log.info("Database name: '" + db.getName() + "'");
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| } |
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| } |
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| protected Configuration loadConfiguration() throws IOException, XindiceException {
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| Configuration config;
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| String configDir = null;
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| String configFile = System.getProperty(Xindice.PROP_XINDICE_CONFIGURATION);
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| if (configFile != null && !configFile.equals("")) {
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| if (log.isInfoEnabled()) {
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| log.info("Specified configuration file: '" + configFile + "'");
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| } |
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| FileInputStream configXMLFile = new FileInputStream(new File(configFile));
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| config = new Configuration(DOMParser.toDocument(configXMLFile), false);
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| configDir = new File(configFile).getAbsoluteFile().getParent();
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| } else { |
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| if (log.isInfoEnabled()) {
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| log.info("No configuration file specified, going with the default configuration");
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| } |
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| config = new Configuration(DOMParser.toDocument(Xindice.DEFAULT_CONFIGURATION), false);
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| } |
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| config = config.getChild("root-collection", false);
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| String dbRoot = config.getAttribute(Database.DBROOT, Database.DBROOT_DEFAULT);
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| if (!new File(dbRoot).isAbsolute()) {
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| String home = System.getProperty(Xindice.PROP_XINDICE_DB_HOME);
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| if (home != null) {
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| dbRoot = new File(home + File.separator + dbRoot).getCanonicalPath();
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| } else if (configDir != null) {
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| dbRoot = configDir + File.separator + dbRoot;
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| } else { |
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| dbRoot = new File("." + File.separator + dbRoot).getCanonicalPath();
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| log.warn("The database configuration file is not specified and there was no "
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| + Xindice.PROP_XINDICE_DB_HOME + " property set, " |
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| + "so Xindice was unable to determine a database location. " |
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| + "Database will be created relative to the current directory."); |
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| } |
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| config.setAttribute(Database.DBROOT, dbRoot);
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| } |
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| return config;
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| } |
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| } |