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PostGIS adds support for geographic objects to the PostgreSQL object-relational database.
/*
* Version.java
*
* PostGIS extension for PostgreSQL JDBC driver - current version identification
*
* (C) 2005 Markus Schaber, [email protected]
*
* (C) 2015 Phillip Ross, [email protected]
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
package org.postgis;
import java.io.IOException;
import java.util.Properties;
/** Corresponds to the appropriate PostGIS that carried this source */
public class Version {
/** We read our version information from this resource... */
private static final String RESOURCE_FILENAME = "org/postgis/version.properties";
private static final String VERSION_PROPERTY_NAME = "VERSION";
public static final String VERSION;
/** The major version */
public static final int MAJOR;
/** The minor version */
public static final int MINOR;
/**
* The micro version, usually a number including possibly textual suffixes
* like RC3.
*/
public static final String MICRO;
static {
int major = -1;
int minor = -1;
String micro = null;
String version = null;
try {
ClassLoader loader = Version.class.getClassLoader();
Properties prop = new Properties();
try {
prop.load(loader.getResourceAsStream(RESOURCE_FILENAME));
} catch (IOException e) {
throw new ExceptionInInitializerError("Error initializing PostGIS JDBC version. Cause: Ressource "
+ RESOURCE_FILENAME + " cannot be read. " + e.getMessage());
} catch (NullPointerException e) {
throw new ExceptionInInitializerError("Error initializing PostGIS JDBC version. Cause: Ressource "
+ RESOURCE_FILENAME + " not found. " + e.getMessage());
}
version = prop.getProperty(VERSION_PROPERTY_NAME);
if (version == null) {
throw new ExceptionInInitializerError("Error initializing PostGIS JDBC version: Missing " + VERSION_PROPERTY_NAME + " property.");
} else if (version.equals("")) {
throw new ExceptionInInitializerError("Error initializing PostGIS JDBC version: Empty " + VERSION_PROPERTY_NAME + " property.");
} else {
String[] versions = version.split("\\.");
if (version.length() < 3) {
throw new ExceptionInInitializerError("Error initializing PostGIS JDBC version: FULL_VERSION (" + version + ") does not contain 3 components ");
}
if (versions.length >= 1) {
try {
major = Integer.parseInt(versions[0]);
} catch (NumberFormatException nfe) {
throw new ExceptionInInitializerError("Error initializing PostGIS JDBC version! Error parsing major version ");
}
}
if (versions.length >= 2) {
try {
minor = Integer.parseInt(versions[1]);
} catch (NumberFormatException nfe) {
throw new ExceptionInInitializerError("Error initializing PostGIS JDBC version! Error parsing minor version ");
}
}
if (version.length() >= 3) {
micro = versions[2];
}
}
} finally {
MAJOR = major;
MINOR = minor;
MICRO = micro;
VERSION = version;
}
}
/** Full version for human reading - code should use the constants above */
public static final String FULL = "PostGIS JDBC V" + MAJOR + "." + MINOR + "." + MICRO;
public static String getFullVersion() {
return FULL;
}
}