org.apache.openejb.server.hsql.HsqlService Maven / Gradle / Ivy
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/**
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.openejb.server.hsql;
import org.apache.openejb.loader.SystemInstance;
import org.apache.openejb.resource.jdbc.plugin.HsqldbDataSourcePlugin;
import org.apache.openejb.server.SelfManaging;
import org.apache.openejb.server.ServerService;
import org.apache.openejb.server.ServiceException;
import org.apache.openejb.spi.ContainerSystem;
import org.hsqldb.Database;
import org.hsqldb.DatabaseManager;
import org.hsqldb.Server;
import org.hsqldb.persist.HsqlDatabaseProperties;
import org.hsqldb.persist.HsqlProperties;
import org.hsqldb.server.ServerConfiguration;
import org.hsqldb.server.ServerConstants;
import javax.naming.Binding;
import javax.naming.NameNotFoundException;
import javax.naming.NamingEnumeration;
import javax.sql.DataSource;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.Socket;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.SQLException;
import java.util.Collections;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import java.util.TreeSet;
/**
* @version $Rev$ $Date$
*/
public class HsqlService implements ServerService, SelfManaging {
// copied from org.hsqldb.server.ServerProperties since it uses package visibility
private static final java.lang.String sc_key_port = "server.port";
private static final java.lang.String sc_key_silent = "server.silent";
private static final java.lang.String sc_key_dbname = "server.dbname";
private static final java.lang.String sc_key_address = "server.address";
private static final java.lang.String sc_key_database = "server.database";
private static final java.lang.String sc_key_no_system_exit = "server.no_system_exit";
private static final String DRIVER_NAME = HsqlDatabaseProperties.PRODUCT_NAME + " Driver";
private int port = ServerConfiguration.getDefaultPort(ServerConstants.SC_PROTOCOL_HSQL, false);
private String ip = ServerConstants.SC_DEFAULT_ADDRESS;
private Server server;
@Override
public String getName() {
return "hsql";
}
@Override
public int getPort() {
return port;
}
@Override
public String getIP() {
return ip;
}
@Override
public void init(final Properties p) throws Exception {
final Properties properties = new Properties();
for (final Map.Entry entry : p.entrySet()) {
// Sometimes the properties object has non string values
if (!(entry.getKey() instanceof String))
continue;
if (!(entry.getValue() instanceof String))
continue;
final String property = (String) entry.getKey();
final String value = (String) entry.getValue();
if (property.startsWith(sc_key_dbname + ".") ||
property.startsWith(sc_key_database + ".")) {
throw new ServiceException("Databases cannot be declared in the hsql.properties. " +
"Instead declare a database connection in the openejb.conf file");
}
if ("port".equals(property)) {
properties.setProperty(sc_key_port, value);
} else if ("bind".equals(property)) {
properties.setProperty(sc_key_address, value);
} else {
properties.setProperty(property, value);
}
}
properties.setProperty(sc_key_no_system_exit, "true");
final boolean disabled = Boolean.parseBoolean(properties.getProperty("disabled"));
final ContainerSystem containerSystem = SystemInstance.get().getComponent(ContainerSystem.class);
if (!disabled && containerSystem != null) {
final NamingEnumeration bindings;
try {
bindings = containerSystem.getJNDIContext().listBindings("openejb/Resource/");
final Set dbnames = new TreeSet();
for (final Binding binding : Collections.list(bindings)) {
final Object value = binding.getObject();
if (value instanceof DataSource) {
final DataSource jdbc = (DataSource) value;
Connection connection = null;
String path = null;
try {
connection = jdbc.getConnection();
final DatabaseMetaData meta = connection.getMetaData();
path = getPath(meta.getDriverName(), meta.getURL());
} catch (final Throwable t) {
continue;
} finally {
if (connection != null) {
try {
connection.close();
} catch (final SQLException sqlEx) {
// no-op
}
}
}
if (path != null) {
if (dbnames.size() > 9) {
throw new ServiceException("Hsql Server can only host 10 database instances");
}
String dbname = path.substring(path.lastIndexOf(':') + 1);
dbname = dbname.substring(dbname.lastIndexOf('/') + 1);
if (!dbnames.contains(dbname)) {
properties.put(sc_key_dbname + "." + dbnames.size(), dbname);
properties.put(sc_key_database + "." + dbnames.size(), path);
dbnames.add(dbname);
}
}
}
}
} catch (final NameNotFoundException e) {
//Ignore
}
// create the server
server = new Server();
// add the silent property
properties.setProperty(sc_key_silent, "true");
// set the log and error writers
server.setLogWriter(new HsqlPrintWriter(false));
server.setErrWriter(new HsqlPrintWriter(true));
server.setProperties(new HsqlProperties(properties));
// get the port
port = server.getPort();
// get the Address
final String ipString = server.getAddress();
if (ipString != null && ipString.length() > 0) {
this.ip = ipString;
}
}
}
private String getPath(final String driver, final String url) {
// is this connectoion using the hsql driver?
if ((!HsqlDatabaseProperties.PRODUCT_NAME.equals(driver)) && (!DRIVER_NAME.equals(driver))) {
return null;
}
// is this a hsql url?
if (url == null || !url.startsWith("jdbc:hsqldb:")) {
return null;
}
// resolve the relative path and
// hack off the jdbc:hsqldb stuff
final String path = HsqldbDataSourcePlugin.toAbsolutePath(url).substring("jdbc:hsqldb:".length());
// is this a connection to a local file, mem, or res database?
if (!path.startsWith("file:") && !path.startsWith("mem:") && path.startsWith("res:")) {
return null;
}
return path;
}
@Override
public void service(final InputStream inputStream, final OutputStream outputStream) throws ServiceException, IOException {
throw new UnsupportedOperationException("Method not implemented: service(InputStream in, OutputStream out)");
}
@Override
public void service(final Socket socket) throws ServiceException, IOException {
throw new UnsupportedOperationException("Method not implemented: service(Socket socket)");
}
@Override
public void start() throws ServiceException {
if (server == null)
return;
server.start();
}
@Override
public void stop() throws ServiceException {
if (server == null)
return;
try {
server.stop();
} finally {
server = null;
DatabaseManager.closeDatabases(Database.CLOSEMODE_COMPACT);
}
}
}
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