com.sun.grizzly.util.Grizzly Maven / Gradle / Ivy
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package com.sun.grizzly.util;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Class contains information about Grizzly framework
*
* @author Charlie Hunt
* @author Hubert Iwaniuk
*/
public class Grizzly {
private static final Pattern versionPattern = Pattern.compile("((\\d+)\\.(\\d+)\\.(\\d+)){1}(.+)?");
private static String dotedVersion;
private static int major;
private static int minor;
private static int micro;
private static String version;
private static String serverName;
public static void main(String[] args) {
System.out.println(Grizzly.getDotedVersion());
}
/** Reads version from properties and parses it. */
static {
InputStream is = null;
Properties prop = new Properties();
try {
is = Grizzly.class.getResourceAsStream("version.properties");
prop.load(is);
} catch (IOException e) {
e.printStackTrace();
} finally {
if (is != null) {
try {
is.close();
} catch (IOException e) {
}
}
}
version = prop.getProperty("grizzly.version");
populate();
}
private static void populate(){
Matcher matcher = versionPattern.matcher(version);
if (matcher.matches()) {
dotedVersion = matcher.group(1);
major = Integer.parseInt(matcher.group(2));
minor = Integer.parseInt(matcher.group(3));
micro = Integer.parseInt(matcher.group(4));
} else {
dotedVersion = "no.version";
major = -1;
minor = -1;
micro = -1;
}
if (serverName == null){
serverName = "Grizzly/"+ getRawVersion();
}
}
/**
* Return the raw version derived frok the project's pom.xml
* @return
*/
public static String getRawVersion(){
return version;
}
/**
* Return the dotted version of the curent release.
*
* @return like "2.0.1"
*/
public static String getDotedVersion() {
return dotedVersion;
}
/**
* Get Grizzly framework major version
*
* @return Grizzly framework major version
*/
public static int getMajorVersion() {
return major;
}
/**
* Get Grizzly framework minor version
*
* @return Grizzly framework minor version
*/
public static int getMinorVersion() {
return minor;
}
/**
* Return the micro version
*/
public static int getMicroVersion(){
return micro;
}
/**
* Force the Grizzly Raw version
*/
public static void setRawVersion(String s){
version = s;
populate();
}
/**
* Checks if current Grizzly framework version equals to one passed
*
* @param major Grizzly framework major version
* @param minor Grizzly framework minor version
* @return true, if versions are equal; false otherwise
*/
public static boolean equalVersion(int major, int minor) {
return minor == Grizzly.minor && major == Grizzly.major;
}
/**
* Set the complete version used for the Server header
*/
public static void setServerInfo(String s){
serverName = s;
}
public static String getServerInfo(){
return serverName;
}
}