openlr.VersionHelper Maven / Gradle / Ivy
/**
* Licensed to the TomTom International B.V. under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. TomTom International B.V.
* 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.
*
* Copyright (C) 2009-2019 TomTom International B.V.
*
* TomTom (Legal Department)
* Email: [email protected]
*
* TomTom (Technical contact)
* Email: [email protected]
*
* Address: TomTom International B.V., Oosterdoksstraat 114, 1011DK Amsterdam,
* the Netherlands
*
* Copyright (C) 2009-2019 TomTom International B.V.
*
* TomTom (Legal Department)
* Email: [email protected]
*
* TomTom (Technical contact)
* Email: [email protected]
*
* Address: TomTom International B.V., Oosterdoksstraat 114, 1011DK Amsterdam,
* the Netherlands
*/
/**
* Copyright (C) 2009-2019 TomTom International B.V.
*
* TomTom (Legal Department)
* Email: [email protected]
*
* TomTom (Technical contact)
* Email: [email protected]
*
* Address: TomTom International B.V., Oosterdoksstraat 114, 1011DK Amsterdam,
* the Netherlands
*/
package openlr;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
public final class VersionHelper {
static final String UNKNOWN_VERSION = "unknown";
private static final String VERSION_FILE = "VERSION";
public static Version getVersion(final String coderType) {
InputStream is = Thread.currentThread().getContextClassLoader()
.getResourceAsStream(coderType + "/" + VERSION_FILE);
if (is == null) {
return new Version();
}
BufferedReader br = new BufferedReader(new InputStreamReader(is));
String version;
try {
version = br.readLine();
if (version == null) {
return new Version();
}
return new Version(resolveMajorVersion(version),
resolveMinorVersion(version), resolvePatchVersion(version));
} catch (IOException e) {
return new Version();
}
}
private static String resolveMajorVersion(final String versionString) {
if (versionString == null) {
return UNKNOWN_VERSION;
}
String[] splitted = versionString.split("\\.");
return splitted[0];
}
private static String resolveMinorVersion(final String versionString) {
if (versionString == null) {
return UNKNOWN_VERSION;
}
String[] splitted = versionString.split("\\.");
if (splitted.length > 1) {
return splitted[1];
}
return UNKNOWN_VERSION;
}
private static String resolvePatchVersion(final String versionString) {
if (versionString == null) {
return UNKNOWN_VERSION;
}
String[] splitted = versionString.split("\\.");
if (splitted.length > 2) {
return splitted[2];
}
return UNKNOWN_VERSION;
}
}