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GraphHopper is a fast and memory efficient Java road routing engine
working seamlessly with OpenStreetMap data.
/*
* Licensed to GraphHopper GmbH under one or more contributor
* license agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership.
*
* GraphHopper GmbH 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 com.graphhopper.util;
import com.graphhopper.GraphHopper;
import java.io.InputStreamReader;
import java.util.List;
import java.util.StringTokenizer;
import static com.graphhopper.util.Helper.*;
/**
* Defining several important constants for GraphHopper. Partially taken from Lucene.
*/
public class Constants {
/**
* The value of System.getProperty("java.version"). *
*/
public static final String JAVA_VERSION = System.getProperty("java.version");
/**
* The value of System.getProperty("os.name"). *
*/
public static final String OS_NAME = System.getProperty("os.name");
/**
* True iff running on Linux.
*/
public static final boolean LINUX = OS_NAME.startsWith("Linux");
/**
* True iff running on Windows.
*/
public static final boolean WINDOWS = OS_NAME.startsWith("Windows");
/**
* True iff running on Mac OS X
*/
public static final boolean MAC_OS_X = OS_NAME.startsWith("Mac OS X");
public static final String OS_ARCH = System.getProperty("os.arch");
public static final String OS_VERSION = System.getProperty("os.version");
public static final String JAVA_VENDOR = System.getProperty("java.vendor");
public static final String JVM_SPEC_VERSION = System.getProperty("java.specification.version");
public static final boolean JRE_IS_MINIMUM_JAVA9;
private static final int JVM_MAJOR_VERSION;
private static final int JVM_MINOR_VERSION;
public static final int VERSION_NODE = 9;
public static final int VERSION_EDGE = 22;
// this should be increased whenever the format of the serialized EncodingManager is changed
public static final int VERSION_EM = 3;
public static final int VERSION_SHORTCUT = 9;
public static final int VERSION_NODE_CH = 0;
public static final int VERSION_GEOMETRY = 6;
public static final int VERSION_TURN_COSTS = 0;
public static final int VERSION_LOCATION_IDX = 5;
public static final int VERSION_KV_STORAGE = 2;
/**
* The version without the snapshot string
*/
public static final String VERSION;
public static final String BUILD_DATE;
/**
* Details about the git commit this artifact was built for, can be null (if not built using maven)
*/
public static final GitInfo GIT_INFO;
public static final boolean SNAPSHOT;
static {
final StringTokenizer st = new StringTokenizer(JVM_SPEC_VERSION, ".");
JVM_MAJOR_VERSION = Integer.parseInt(st.nextToken());
if (st.hasMoreTokens()) {
JVM_MINOR_VERSION = Integer.parseInt(st.nextToken());
} else {
JVM_MINOR_VERSION = 0;
}
JRE_IS_MINIMUM_JAVA9 = JVM_MAJOR_VERSION > 1 || (JVM_MAJOR_VERSION == 1 && JVM_MINOR_VERSION >= 9);
String version = "0.0";
try {
// see com/graphhopper/version file in resources which is modified in the maven packaging process
// to contain the current version
List v = readFile(new InputStreamReader(GraphHopper.class.getResourceAsStream("version"), UTF_CS));
version = v.get(0);
} catch (Exception ex) {
System.err.println("GraphHopper Initialization ERROR: cannot read version!? " + ex.getMessage());
}
int indexM = version.indexOf("-");
if ("${project.version}".equals(version)) {
VERSION = "0.0";
SNAPSHOT = true;
System.err.println("GraphHopper Initialization WARNING: maven did not preprocess the version file! Do not use the jar for a release!");
} else if ("0.0".equals(version)) {
VERSION = "0.0";
SNAPSHOT = true;
System.err.println("GraphHopper Initialization WARNING: cannot get version!?");
} else {
String tmp = version;
// throw away the "-SNAPSHOT"
if (indexM >= 0)
tmp = version.substring(0, indexM);
SNAPSHOT = toLowerCase(version).contains("-snapshot");
VERSION = tmp;
}
String buildDate = "";
try {
List v = readFile(new InputStreamReader(GraphHopper.class.getResourceAsStream("builddate"), UTF_CS));
buildDate = v.get(0);
} catch (Exception ex) {
}
BUILD_DATE = buildDate;
List gitInfos = null;
try {
gitInfos = readFile(new InputStreamReader(GraphHopper.class.getResourceAsStream("gitinfo"), UTF_CS));
if (gitInfos.size() != 6) {
System.err.println("GraphHopper Initialization WARNING: unexpected git info: " + gitInfos.toString());
gitInfos = null;
} else if (gitInfos.get(1).startsWith("$")) {
gitInfos = null;
}
} catch (Exception ex) {
}
GIT_INFO = gitInfos == null ? null : new GitInfo(gitInfos.get(1), gitInfos.get(2), gitInfos.get(3), gitInfos.get(4), Boolean.parseBoolean(gitInfos.get(5)));
}
public static String getVersions() {
return VERSION_NODE + "," + VERSION_EDGE + "," + VERSION_GEOMETRY + "," + VERSION_LOCATION_IDX
+ "," + VERSION_KV_STORAGE + "," + VERSION_SHORTCUT;
}
public static String getMajorVersion() {
int firstIdx = VERSION.indexOf(".");
if (firstIdx < 0)
throw new IllegalStateException("Cannot extract major version from version " + VERSION);
int sndIdx = VERSION.indexOf(".", firstIdx + 1);
if (sndIdx < 0)
return VERSION;
return VERSION.substring(0, sndIdx);
}
}