org.eclipse.equinox.p2.metadata.Version Java Examples

/**
 * Converts a string version range into an OSGi VersionRange object.
 * Ex : [3.1.0, 4.0.0)
 *
 * @param versionRange - string version range
 */
public void setVersionRange(String versionRange) {
    boolean startIncluded = true;
    boolean endIncluded = true;

    versionRange = versionRange.trim();
    if (versionRange.startsWith("(")) {
        startIncluded = false;
    }
    // remove the first charactor
    versionRange = versionRange.substring(1);

    if (versionRange.endsWith(")")) {
        endIncluded = false;
    }
    // remove the last charactor
    versionRange = versionRange.substring(0, versionRange.length() - 1);

    String startVersion = versionRange.substring(0, versionRange.indexOf(','));
    // end version starts after ", " therefore, versionRange.indexOf(',') + 2
    String endVersion = versionRange.substring(versionRange.indexOf(',') + 2,
            versionRange.length());
    this.versionRange = new VersionRange(Version.create(startVersion), startIncluded,
            Version.create(endVersion), endIncluded);
}
 

public String makeVersion ( final IInstallableUnit iu, final boolean withQualifier ) throws Exception
{
    Version version;

    final String tychoVersion = iu.getProperty ( "maven-version" );
    if ( !IGNORE_TYCHO && tychoVersion != null )
    {
        final IVersionFormat format = Version.compile ( "n[.n=0;[.n=0;[.n=0;]]][[-.]S='';]" );
        version = format.parse ( tychoVersion );
    }
    else
    {
        version = iu.getVersion ();
    }

    if ( withQualifier )
    {
        return toString ( version );
    }
    else
    {
        return withoutQualifier ( version );
    }

}
 

public String makeVersion ( final IInstallableUnit iu, final boolean withQualifier ) throws Exception
{
    Version version;

    final String tychoVersion = iu.getProperty ( "maven-version" );
    if ( !IGNORE_TYCHO && tychoVersion != null )
    {
        final IVersionFormat format = Version.compile ( "n[.n=0;[.n=0;[.n=0;]]][[-.]S='';]" );
        version = format.parse ( tychoVersion );
    }
    else
    {
        version = iu.getVersion ();
    }

    if ( withQualifier )
    {
        return toString ( version );
    }
    else
    {
        return withoutQualifier ( version );
    }

}
 

private Object[] getSegments ( final Version version )
{
    final Object[] result = new Object[version.getSegmentCount ()];

    for ( int i = 0; i < version.getSegmentCount (); i++ )
    {
        result[i] = version.getSegment ( i );
    }
    return result;
}
 

protected String withoutQualifier ( final Version version )
{
    if ( version.getSegmentCount () >= 4 )
    {
        return String.format ( "%s.%s.%s", version.getSegment ( 0 ), version.getSegment ( 1 ), version.getSegment ( 2 ) );
    }
    else
    {
        return toString ( version );
    }
}
 

private Object[] getSegments ( final Version version )
{
    final Object[] result = new Object[version.getSegmentCount ()];

    for ( int i = 0; i < version.getSegmentCount (); i++ )
    {
        result[i] = version.getSegment ( i );
    }
    return result;
}
 

protected String withoutQualifier ( final Version version )
{
    if ( version.getSegmentCount () >= 4 )
    {
        return String.format ( "%s.%s.%s", version.getSegment ( 0 ), version.getSegment ( 1 ), version.getSegment ( 2 ) );
    }
    else
    {
        return toString ( version );
    }
}
 

private IStatus checkIfUpdatesAvailable(IProgressMonitor monitor) {
	SubMonitor progress = SubMonitor.convert(monitor, Messages.UpdateCheckerJob_1, SUB_MONITOR_INDEX);
	Collection<IInstallableUnit> installedWSO2Features = updateManager
			.getInstalledWSO2Features(progress.newChild(1));
	BufferedReader buffReader = downloadMetaFile();
	// read the meta file
	if (buffReader == null) {
		promptUserError(Messages.UpdateMetaFileReaderJob_3, ERROR_TITLE);
		return Status.CANCEL_STATUS;
	}
	Map<String, String> availaleDevStudioFeatureVerions = new HashMap<String, String>();
	availaleDevStudioFeatureVerions = readMetaDataFiletoMap(buffReader);
	deleteDownloadedTempFile();
	if (availaleDevStudioFeatureVerions.isEmpty()) {
		log.error(Messages.UpdateCheckerJob_4);
		return Status.CANCEL_STATUS;
	}
	for (IInstallableUnit iInstallableUnit : installedWSO2Features) {
		if (availaleDevStudioFeatureVerions.containsKey(iInstallableUnit.getId())) {
			Version availableVersion = generateVersionFromString(
					availaleDevStudioFeatureVerions.get(iInstallableUnit.getId()));
			Version upperLimit = generateUpperLimitforUpdates(iInstallableUnit.getVersion());
			if (availableVersion != null
					&& availableVersion.compareTo(iInstallableUnit.getVersion()) == AVAILABLE_VERSION_GREATER
					&& availableVersion.compareTo(upperLimit) == AVAILABLE_VERSION_LESS) {
				updateCount = updateCount + 1;
			} else if (availableVersion == null) {
				log.error(Messages.UpdateCheckerJob_4);
				promptUserError(ERROR_MESSAGE, ERROR_TITLE);
				return Status.CANCEL_STATUS;
			}
		}
	}
	if (updateCount > 0) {
		return Status.OK_STATUS; // OK if there are updates
	}
	return Status.CANCEL_STATUS;
}
 

private Version generateUpperLimitforUpdates(Version version) {
	String installedVersion = version.toString();
	String[] majorMinorUpperLmit = installedVersion.split("\\.");
	int currentMinorVerions = Integer.parseInt(majorMinorUpperLmit[1]);
	int nextMinorVersion = currentMinorVerions + 1;
	Version upperLimit = Version.createOSGi(Integer.parseInt(majorMinorUpperLmit[0]),
			Integer.parseInt(String.valueOf(nextMinorVersion)), Integer.parseInt(majorMinorUpperLmit[2]),
			majorMinorUpperLmit[3]);
	return upperLimit;
}
 

/**
 * version would come as 4.0.0-201512221344 we need to create the
 * installable unit version object from the version string
 * 
 * @param versionString
 */
private Version generateVersionFromString(String versionString) {
	String[] minorMajorNumbers = versionString.split("\\."); // . is \\. in
	Version availableVersion = Version.createOSGi(Integer.parseInt(minorMajorNumbers[0]),
			Integer.parseInt(minorMajorNumbers[1]), Integer.parseInt(minorMajorNumbers[2]), minorMajorNumbers[3]);
	return availableVersion;
}
 

private boolean isNewVersionCompatible(String currVersion, Version availableVerion) {
	Version upperLimit = generateUpperLimitforUpdates(currVersion);
	if (availableVerion.compareTo(upperLimit) == LESS_THAN) {
		return true;
	}
	return false;
}
 

private Version generateUpperLimitforUpdates(String installedVersion) {
	String[] majorMinorUpperLmit = installedVersion.split("\\.");
	int currentMinorVerions = Integer.parseInt(majorMinorUpperLmit[1]);
	int nextMinorVersion = currentMinorVerions + 1;
	Version upperLimit = Version.createOSGi(Integer.parseInt(majorMinorUpperLmit[0]),
			Integer.parseInt(String.valueOf(nextMinorVersion)), Integer.parseInt(majorMinorUpperLmit[2]),
			majorMinorUpperLmit[3]);
	return upperLimit;
}
 

private String toString ( final Version version )
{
    return version.getOriginal ();
}
 

private String toString ( final Version version )
{
    return version.getOriginal ();
}