package liquibase.precondition.core;
import liquibase.changelog.DatabaseChangeLog;
import liquibase.changelog.ChangeSet;
import liquibase.database.Database;
import liquibase.exception.PreconditionErrorException;
import liquibase.exception.PreconditionFailedException;
import liquibase.exception.ValidationErrors;
import liquibase.exception.Warnings;
import liquibase.precondition.AbstractPrecondition;
import liquibase.precondition.Precondition;
/**
* Precondition that checks the name of the user executing the change log.
*/
public class RunningAsPrecondition extends AbstractPrecondition {
private String username;
public RunningAsPrecondition() {
username = "";
}
public void setUsername(String aUserName) {
username = aUserName;
}
public String getUsername() {
return username;
}
@Override
public Warnings warn(Database database) {
return new Warnings();
}
@Override
public ValidationErrors validate(Database database) {
return new ValidationErrors();
}
@Override
public void check(Database database, DatabaseChangeLog changeLog, ChangeSet changeSet) throws PreconditionFailedException, PreconditionErrorException {
String loggedusername = database.getConnection().getConnectionUserName();
if (loggedusername != null && loggedusername.indexOf('@') >= 0) {
loggedusername = loggedusername.substring(0, loggedusername.indexOf('@'));
}
if (!username.equalsIgnoreCase(loggedusername)) {
throw new PreconditionFailedException("RunningAs Precondition failed: expected "+username+", was "+loggedusername, changeLog, this);
}
}
@Override
public String getSerializedObjectNamespace() {
return STANDARD_CHANGELOG_NAMESPACE;
}
@Override
public String getName() {
return "runningAs";
}
}