package org.andromda.core.common;
import java.io.InputStream;
import java.net.URL;
import java.util.Properties;
/**
* This class provides statistics on how the build was performed.
*
* @author Martin West
* @author Chad Brandon
*/
public class BuildInformation
{
/**
* The shared instance.
*/
private static final BuildInformation instance = new BuildInformation();
/**
* Gets the shared instance of the BuildInformation.
*
* @return the shared BuildInformation instance.
*/
public static BuildInformation instance()
{
return instance;
}
/**
* Private default constructor of BuildInformation. This class is not intended to be instantiated.
*/
private BuildInformation()
{
this.initialize();
}
/**
* The build timestamp.
*/
private String buildDate;
/**
* The build operating system and version.
*/
private String buildSystem;
/**
* The JDK details used to build the system.
*/
private String buildJdk;
/**
* The name of the user that built the system.
*/
private String buildBuilder;
/**
* The version of the AndroMDA build.
*/
private String buildVersion;
private void initialize()
{
final String buildPropertiesUri = "META-INF/andromda-build.properties";
final String versionPropertyName = "andromda.build.version";
final String datePropertyName = "andromda.build.date";
final String systemPropertyName = "andromda.build.system";
final String jdkPropertyName = "andromda.build.jdk";
final String builderPropertyName = "andromda.build.builder";
final URL versionUri = ResourceUtils.getResource(buildPropertiesUri);
try
{
if (versionUri == null)
{
throw new IllegalStateException(
"BuildInformation: could not load file --> '" + buildPropertiesUri + "'");
}
final Properties properties = new Properties();
InputStream stream = versionUri.openStream();
properties.load(stream);
stream.close();
stream = null;
this.buildDate = properties.getProperty(datePropertyName);
this.buildSystem = properties.getProperty(systemPropertyName);
this.buildJdk = properties.getProperty(jdkPropertyName);
this.buildBuilder = properties.getProperty(builderPropertyName);
this.buildVersion = properties.getProperty(versionPropertyName);
}
catch (final Throwable throwable)
{
ExceptionRecorder.instance().record(throwable);
throw new IllegalStateException(throwable.getMessage());
}
}
/**
* Return the name of the operating system and version.
*
* @return Returns the build version.
*/
public String getBuildVersion()
{
return this.buildVersion;
}
/**
* Return the user name of the id which built the system.
*
* @return Returns the build builder.
*/
public String getBuildBuilder()
{
return this.buildBuilder;
}
/**
* Return the timestamp of the build.
*
* @return Returns the build date.
*/
public String getBuildDate()
{
return this.buildDate;
}
/**
* Return the vendor and jdk version.
*
* @return Returns the build jdk.
*/
public String getBuildJdk()
{
return this.buildJdk;
}
/**
* Return the name of the operating system and version.
*
* @return Returns the build system.
*/
public String getBuildSystem()
{
return this.buildSystem;
}
}