/**
* Creates a QualifiedName from the external string format of QualifiedName.
*
* <p>This factory method is the reverse of {@link QualifiedName#toString() } method, and creates
* a new QualifiedName instance from the string representation of the QualifiedName.
*
* @param fullQualifiedName The QualifiedName external string representation to be converted back
* into a QualifiedName instance.
* @return The QualifiedName instance represented by the {@code qualifiedName} argument.
* @throws IllegalArgumentException If the {@code qualifiedName} argument has wrong format.
*/
public static QualifiedName fromFQN(String fullQualifiedName) {
NullArgumentException.validateNotEmpty("qualifiedName", fullQualifiedName);
int idx = fullQualifiedName.lastIndexOf(":");
if (idx == -1) {
throw new IllegalArgumentException(
"Name '" + fullQualifiedName + "' is not a qualified name");
}
final String type = fullQualifiedName.substring(0, idx);
final String name = fullQualifiedName.substring(idx + 1);
return new QualifiedName(TypeName.nameOf(type), name);
}
QualifiedName(TypeName typeName, String name) {
NullArgumentException.validateNotNull("typeName", typeName);
NullArgumentException.validateNotEmpty("name", name);
this.typeName = typeName;
this.name = name;
}