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/*
* File: Version.java
*
* Copyright (C) 2007 Steve Ratcliffe
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program 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 General Public License for more details.
*
*
* Author: Steve Ratcliffe
* Create date: 12 Dec 2007
*/
package uk.me.parabola.splitter;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;
/**
* Definitions of version numbers.
*
* @author Steve Ratcliffe
*/
public class Version
{
public static final String VERSION = getSvnVersion
();
public static final String TIMESTAMP = getTimeStamp
();
// A default version to use.
private static final String DEFAULT_VERSION =
"unknown";
private static final String DEFAULT_TIMESTAMP =
"unknown";
/**
* Get the version number if we can find one, else a default string.
* This looks in a file called splitter-version.properties on the
* classpath.
* This is created outside of the system by the build script.
*
* @return The version number or a default string if a version number
* cannot be found.
*/
private static String getSvnVersion
() {
try (InputStream is = Version.
class
.
getResourceAsStream("/splitter-version.properties")) {
if (is ==
null)
return DEFAULT_VERSION
;
Properties props =
new Properties();
props.
load(is
);
String version = props.
getProperty("svn.version", DEFAULT_VERSION
);
if (version.
matches("[1-9]+.*"))
return version
;
return DEFAULT_VERSION
;
} catch (IOException e
) {
return DEFAULT_VERSION
;
}
}
private static String getTimeStamp
() {
try (InputStream is = Version.
class
.
getResourceAsStream("/splitter-version.properties")) {
if (is ==
null)
return DEFAULT_TIMESTAMP
;
Properties props =
new Properties();
props.
load(is
);
return props.
getProperty("build.timestamp", DEFAULT_TIMESTAMP
);
} catch (IOException e
) {
return DEFAULT_TIMESTAMP
;
}
}
}