in src/main/java/org/apache/maven/plugins/ear/util/ArtifactTypeMappingService.java [124:134]
public String getStandardType(final String type) throws UnknownArtifactTypeException {
if (type == null) {
throw new IllegalStateException("custom type could not be null.");
} else if (EarModuleFactory.getStandardArtifactTypes().contains(type)) {
return type;
} else if (!customMappings.containsKey(type)) {
throw new UnknownArtifactTypeException("Unknown artifact type[" + type + "]");
} else {
return customMappings.get(type);
}
}