X-Git-Url: https://feistymeow.org/gitweb/?a=blobdiff_plain;f=kona%2Fsrc%2Forg%2Fgffs%2Fversion%2FVersion.java;fp=kona%2Fsrc%2Forg%2Fgffs%2Fversion%2FVersion.java;h=3137099aada28f9a43e3d1b0d1c9ab0f489c27a9;hb=13679382916f379ef7fc0cf02693f0186a905835;hp=0000000000000000000000000000000000000000;hpb=909697fd6009240b5bf2643d54b129b06b733953;p=feisty_meow.git

diff --git a/kona/src/org/gffs/version/Version.java b/kona/src/org/gffs/version/Version.java
new file mode 100644
index 00000000..3137099a
--- /dev/null
+++ b/kona/src/org/gffs/version/Version.java
@@ -0,0 +1,100 @@
+package org.gffs.version;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.util.Properties;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class Version implements Comparable<Version>
+{
+	static final private Pattern VERSION_PATTERN = Pattern.compile("^(\\d+)\\.(\\d+)\\.(\\d+)\\s+Build\\s+(\\d+)$");
+
+	private int _majorVersion;
+	private int _minorVersion;
+	private int _subMinorVersion;
+	private int _buildNumber;
+
+	public Version(int major, int minor, int subminor, int buildNumber)
+	{
+		_majorVersion = major;
+		_minorVersion = minor;
+		_subMinorVersion = subminor;
+		_buildNumber = buildNumber;
+	}
+
+	public Version(String str)
+	{
+		parseString(str);
+	}
+
+	public void parseString(String verString)
+	{
+		Matcher matcher = VERSION_PATTERN.matcher(verString);
+		if (!matcher.matches())
+			throw new IllegalArgumentException("Version string wasn't of the form ###.###.### Build ####");
+
+		_majorVersion = Integer.parseInt(matcher.group(1));
+		_minorVersion = Integer.parseInt(matcher.group(2));
+		_subMinorVersion = Integer.parseInt(matcher.group(3));
+		_buildNumber = Integer.parseInt(matcher.group(4));
+	}
+
+	public Version(File propFile)
+	{
+		Properties props = new Properties();
+		try {
+			FileInputStream fis = new FileInputStream(propFile);
+			props.load(fis);
+			String appVer = props.getProperty("genii.app-version");
+			String buildNum = props.getProperty("genii.build-number");
+			String formattedString = appVer + " Build " + buildNum;
+			parseString(formattedString);
+		} catch (Throwable t) {
+			throw new RuntimeException("failure to parse version from file: " + propFile, t);
+		}
+	}
+
+	public boolean equals(Version other)
+	{
+		return compareTo(other) == 0;
+	}
+
+	@Override
+	public boolean equals(Object other)
+	{
+		if (other instanceof Version)
+			return equals((Version) other);
+
+		return false;
+	}
+
+	@Override
+	public int hashCode()
+	{
+		return (_majorVersion << 3) ^ (_minorVersion << 2) ^ (_subMinorVersion << 1) ^ _buildNumber;
+	}
+
+	@Override
+	public String toString()
+	{
+		return String.format("%d.%d.%d Build %d", _majorVersion, _minorVersion, _subMinorVersion, _buildNumber);
+	}
+
+	@Override
+	public int compareTo(Version o)
+	{
+		int diff = _majorVersion - o._majorVersion;
+		if (diff != 0)
+			return diff;
+		diff = _minorVersion - o._minorVersion;
+		if (diff != 0)
+			return diff;
+		diff = _subMinorVersion - o._subMinorVersion;
+		if (diff != 0)
+			return diff;
+		return _buildNumber - o._buildNumber;
+	}
+
+	static public Version EMPTY_VERSION = new Version(0, 0, 0, 0);
+}
\ No newline at end of file