/**
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @author Andrea Aime - GeoSolutions
*/
package org.geowebcache.diskquota.jdbc;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.Serializable;
import org.apache.commons.io.IOUtils;
import org.apache.commons.lang.SerializationUtils;
import org.geowebcache.GeoWebCacheEnvironment;
import org.geowebcache.GeoWebCacheExtensions;
import org.geowebcache.config.ConfigurationException;
import org.geowebcache.io.GeoWebCacheXStream;
import com.thoughtworks.xstream.XStream;
/**
* A JDBC configuration for the GeoWebCache disk quota subsystem
*
* @author Andrea Aime - GeoSolutions
*/
public class JDBCConfiguration implements Serializable {
String dialect;
String JNDISource;
/**
* To be able configure schema in geowebcache-diskquota-jdbc.xml
*/
String schema;
ConnectionPoolConfiguration connectionPool;
/**
* Loads a XML configuration from the specified file. The file must adhere to the
* {@code geowebcache-diskquota-jdbc.xsd} schema.
*
* @param sourceFile
* @return
* @throws IOException
*/
public static JDBCConfiguration load(File sourceFile) throws ConfigurationException {
FileInputStream fis = null;
try {
fis = new FileInputStream(sourceFile);
return load(fis);
} catch (IOException e) {
throw new ConfigurationException("Failed to load the configuration from "
+ sourceFile.getAbsolutePath(), e);
} finally {
IOUtils.closeQuietly(fis);
}
}
/**
* Loads a XML configuration from the specified file. The file must adhere to the
* {@code geowebcache-diskquota-jdbc.xsd} schema.
*
* @param sourceFile
* @return
* @throws IOException
*/
public static JDBCConfiguration load(InputStream is) throws ConfigurationException {
XStream xs = getXStream();
JDBCConfiguration conf = (JDBCConfiguration) xs.fromXML(is);
validateConfiguration(conf.clone(true));
return conf;
}
private static void validateConfiguration(JDBCConfiguration conf) throws ConfigurationException {
if(conf.getDialect() == null) {
throw new ConfigurationException("A dialect must be provided, possible values are H2, Oracle, PostgresSQL");
}
ConnectionPoolConfiguration cp = conf.getConnectionPool();
if(conf.getJNDISource() == null && cp == null && !"H2".equals(conf.getDialect())) {
throw new ConfigurationException("No data source provided, either configure JNDISource or connectionPool");
}
if(cp != null) {
if(cp.getDriver() == null) {
throw new ConfigurationException("No JDBC driver provided");
}
if(cp.getUrl() == null) {
throw new ConfigurationException("No JDBC URL provided");
}
}
}
public static void store(JDBCConfiguration config, OutputStream os) {
XStream xs = getXStream();
xs.toXML(config, os);
}
public static void store(JDBCConfiguration config, File file) throws ConfigurationException {
FileOutputStream fos = null;
try {
fos = new FileOutputStream(file);
store(config, fos);
} catch (IOException e) {
throw new ConfigurationException("Failed to store the configuration into "
+ file.getAbsolutePath(), e);
} finally {
IOUtils.closeQuietly(fos);
}
}
private static XStream getXStream() {
XStream xs = new GeoWebCacheXStream();
// Allow anything that's part of GWC
// TODO: replace this with a more narrow whitelist
xs.allowTypesByWildcard(new String[]{"org.geowebcache.**"});
xs.setMode(XStream.NO_REFERENCES);
xs.alias("gwcJdbcConfiguration", JDBCConfiguration.class);
xs.alias("connectionPool", ConnectionPoolConfiguration.class);
return xs;
}
public String getJNDISource() {
return JNDISource;
}
public void setJNDISource(String jndiSource) {
this.JNDISource = jndiSource;
}
public String getSchema() {
return schema;
}
public void setSchema(String schema) {
this.schema = schema;
}
public ConnectionPoolConfiguration getConnectionPool() {
return connectionPool;
}
public void setConnectionPool(ConnectionPoolConfiguration connectionPool) {
this.connectionPool = connectionPool;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((JNDISource == null) ? 0 : JNDISource.hashCode());
result = prime * result + ((connectionPool == null) ? 0 : connectionPool.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
JDBCConfiguration other = (JDBCConfiguration) obj;
if (JNDISource == null) {
if (other.JNDISource != null)
return false;
} else if (!JNDISource.equals(other.JNDISource))
return false;
if (connectionPool == null) {
if (other.connectionPool != null)
return false;
} else if (!connectionPool.equals(other.connectionPool))
return false;
return true;
}
public String getDialect() {
return dialect;
}
public void setDialect(String dialect) {
this.dialect = dialect;
}
@Override
public String toString() {
return "JDBCConfiguration [dialect=" + dialect + ", JNDISource=" + JNDISource
+ ", connectionPool=" + connectionPool + "]";
}
/**
* The connection pool configuration, used to build a local connection pool
* (with DBCP or other connection pool library)
*
* @author Andrea Aime - GeoSolutions
*/
public static class ConnectionPoolConfiguration implements Serializable {
private static final long serialVersionUID = 6677252877141737936L;
String driver;
String url;
String username;
String password;
int minConnections;
int maxConnections;
int connectionTimeout;
String validationQuery;
int maxOpenPreparedStatements;
public String getDriver() {
return driver;
}
public void setDriver(String driver) {
this.driver = driver;
}
public String getUrl() {
return url;
}
public void setUrl(String url) {
this.url = url;
}
public int getMinConnections() {
return minConnections;
}
public void setMinConnections(int minConnections) {
this.minConnections = minConnections;
}
public int getMaxConnections() {
return maxConnections;
}
public void setMaxConnections(int maxConnections) {
this.maxConnections = maxConnections;
}
public int getConnectionTimeout() {
return connectionTimeout;
}
public void setConnectionTimeout(int connectionTimeout) {
this.connectionTimeout = connectionTimeout;
}
public String getValidationQuery() {
return validationQuery;
}
public void setValidationQuery(String validationQuery) {
this.validationQuery = validationQuery;
}
public int getMaxOpenPreparedStatements() {
return maxOpenPreparedStatements;
}
public void setMaxOpenPreparedStatements(int maxOpenPreparedStatements) {
this.maxOpenPreparedStatements = maxOpenPreparedStatements;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + connectionTimeout;
result = prime * result + ((driver == null) ? 0 : driver.hashCode());
result = prime * result + maxConnections;
result = prime * result + maxOpenPreparedStatements;
result = prime * result + minConnections;
result = prime * result + ((password == null) ? 0 : password.hashCode());
result = prime * result + ((url == null) ? 0 : url.hashCode());
result = prime * result + ((username == null) ? 0 : username.hashCode());
result = prime * result + ((validationQuery == null) ? 0 : validationQuery.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
ConnectionPoolConfiguration other = (ConnectionPoolConfiguration) obj;
if (connectionTimeout != other.connectionTimeout)
return false;
if (driver == null) {
if (other.driver != null)
return false;
} else if (!driver.equals(other.driver))
return false;
if (maxConnections != other.maxConnections)
return false;
if (maxOpenPreparedStatements != other.maxOpenPreparedStatements)
return false;
if (minConnections != other.minConnections)
return false;
if (password == null) {
if (other.password != null)
return false;
} else if (!password.equals(other.password))
return false;
if (url == null) {
if (other.url != null)
return false;
} else if (!url.equals(other.url))
return false;
if (username == null) {
if (other.username != null)
return false;
} else if (!username.equals(other.username))
return false;
if (validationQuery == null) {
if (other.validationQuery != null)
return false;
} else if (!validationQuery.equals(other.validationQuery))
return false;
return true;
}
@Override
public String toString() {
return "ConnectionPoolConfiguration [driver=" + driver + ", url=" + url + ", username="
+ username + ", password=" + password + ", minConnections=" + minConnections
+ ", maxConnections=" + maxConnections
+ ", connectionTimeout=" + connectionTimeout + ", validationQuery="
+ validationQuery + ", maxOpenPreparedStatements=" + maxOpenPreparedStatements
+ "]";
}
}
/**
*
*
* @param allowEnvParametrization
* @return
*/
public JDBCConfiguration clone(boolean allowEnvParametrization) {
JDBCConfiguration conf = (JDBCConfiguration) SerializationUtils.clone(this);
final GeoWebCacheEnvironment gwcEnvironment = GeoWebCacheExtensions.bean(GeoWebCacheEnvironment.class);
if (allowEnvParametrization && gwcEnvironment != null && GeoWebCacheEnvironment.ALLOW_ENV_PARAMETRIZATION) {
conf.setDialect((String) gwcEnvironment.resolveValue(getDialect()));
conf.setJNDISource((String) gwcEnvironment.resolveValue(getJNDISource()));
ConnectionPoolConfiguration connectionPoolConfig = getConnectionPool();
if (connectionPoolConfig != null) {
ConnectionPoolConfiguration expConnectionPoolConfig = (ConnectionPoolConfiguration) SerializationUtils.clone(connectionPoolConfig);
expConnectionPoolConfig.setDriver((String) gwcEnvironment.resolveValue(connectionPoolConfig.getDriver()));
expConnectionPoolConfig.setUrl((String) gwcEnvironment.resolveValue(connectionPoolConfig.getUrl()));
expConnectionPoolConfig.setUsername((String) gwcEnvironment.resolveValue(connectionPoolConfig.getUsername()));
expConnectionPoolConfig.setPassword((String) gwcEnvironment.resolveValue(connectionPoolConfig.getPassword()));
expConnectionPoolConfig.setValidationQuery((String) gwcEnvironment.resolveValue(connectionPoolConfig.getValidationQuery()));
conf.setConnectionPool(expConnectionPoolConfig);
}
}
return conf;
}
}