public static String resolveArtifactParam(Map<String, Object> parameters) throws CoreException {
String artifactLocation = (String) parameters.get(EclipseTouchpoint.PARM_ARTIFACT_LOCATION);
if (artifactLocation != null) return artifactLocation;
IArtifactKey artifactKey = (IArtifactKey) parameters.get(EclipseTouchpoint.PARM_ARTIFACT);
if (artifactKey == null) {
IInstallableUnit iu = (IInstallableUnit) parameters.get(EclipseTouchpoint.PARM_IU);
throw new CoreException(Util.createError(NLS.bind(Messages.iu_contains_no_arifacts, iu)));
}
throw new CoreException(
Util.createError(NLS.bind(Messages.artifact_file_not_found, artifactKey)));
}
