/**
* This method retrieves a connection based on the components inputs.
*
* @param defaultConnection a default connection to use if no other is available
* @return new connection object
*/
protected IPentahoConnection getConnection(final IPentahoConnection defaultConnection) {
IPentahoConnection localConnection = null;
try {
String jndiName = null;
String driver = null;
String userId = null;
String password = null;
String connectionInfo = null;
if (getActionDefinition() instanceof SqlConnectionAction) {
SqlConnectionAction sqlConnectionAction = (SqlConnectionAction) getActionDefinition();
jndiName = sqlConnectionAction.getJndi().getStringValue();
driver = sqlConnectionAction.getDriver().getStringValue();
userId = sqlConnectionAction.getUserId().getStringValue();
password = sqlConnectionAction.getPassword().getStringValue();
connectionInfo = sqlConnectionAction.getDbUrl().getStringValue();
} else if (getActionDefinition() instanceof AbstractRelationalDbAction) {
AbstractRelationalDbAction relationalDbAction =
(AbstractRelationalDbAction) getActionDefinition();
jndiName = relationalDbAction.getJndi().getStringValue();
driver = relationalDbAction.getDriver().getStringValue();
userId = relationalDbAction.getUserId().getStringValue();
password = relationalDbAction.getPassword().getStringValue();
connectionInfo = relationalDbAction.getDbUrl().getStringValue();
}
if (jndiName != null) {
localConnection =
PentahoConnectionFactory.getConnection(
IPentahoConnection.SQL_DATASOURCE, jndiName, getSession(), this);
}
if (localConnection == null) {
localConnection =
PentahoConnectionFactory.getConnection(
IPentahoConnection.SQL_DATASOURCE,
driver,
connectionInfo,
userId,
password,
getSession(),
this);
}
if (localConnection == null) {
if (defaultConnection == null) {
error(
Messages.getInstance()
.getErrorString("SQLBaseComponent.ERROR_0005_INVALID_CONNECTION")); // $NON-NLS-1$
return null;
} else {
localConnection = defaultConnection;
}
}
return localConnection;
} catch (Exception e) {
error(
Messages.getInstance()
.getErrorString("SQLBaseComponent.ERROR_0006_EXECUTE_FAILED", getActionName()),
e); //$NON-NLS-1$
}
return null;
}
/**
* validates the action. checks to verify inputs are available to execute
*
* <p>- verify query is available - verify connection is available, via jndi, connection string,
* or prepared component - verify output is specified
*/
@Override
public boolean validateAction() {
boolean result = true;
IActionDefinition actionDefinition = getActionDefinition();
String actionName = getActionName();
if (actionDefinition instanceof AbstractRelationalDbAction) {
AbstractRelationalDbAction relationalDbAction = (AbstractRelationalDbAction) actionDefinition;
IActionInput query = relationalDbAction.getQuery();
IActionInput dbUrl = relationalDbAction.getDbUrl();
IActionInput jndi = relationalDbAction.getJndi();
IActionInput sharedConnection = relationalDbAction.getSharedConnection();
if (query == ActionInputConstant.NULL_INPUT) {
error(
Messages.getInstance()
.getErrorString(
"SQLBaseComponent.ERROR_0001_QUERY_NOT_SPECIFIED", actionName)); // $NON-NLS-1$
result = false;
}
if ((jndi == ActionInputConstant.NULL_INPUT)
&& (dbUrl == ActionInputConstant.NULL_INPUT)
&& (sharedConnection == ActionInputConstant.NULL_INPUT)) {
error(
Messages.getInstance()
.getErrorString(
"SQLBaseComponent.ERROR_0002_CONNECTION_NOT_SPECIFIED",
actionName)); //$NON-NLS-1$
result = false;
}
} else if (actionDefinition instanceof SqlConnectionAction) {
SqlConnectionAction sqlConnectionAction = (SqlConnectionAction) actionDefinition;
IActionInput dbUrl = sqlConnectionAction.getDbUrl();
IActionInput jndi = sqlConnectionAction.getJndi();
if ((jndi == ActionInputConstant.NULL_INPUT) && (dbUrl == ActionInputConstant.NULL_INPUT)) {
error(
Messages.getInstance()
.getErrorString(
"SQLBaseComponent.ERROR_0002_CONNECTION_NOT_SPECIFIED",
actionName)); //$NON-NLS-1$
result = false;
}
} else {
error(
Messages.getInstance()
.getErrorString(
"ComponentBase.ERROR_0001_UNKNOWN_ACTION_TYPE",
actionDefinition.getElement().asXML())); // $NON-NLS-1$
result = false;
}
return result;
}
