package org.atricore.idbus.idojos.virtualidentitystore.scripting;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.atricore.idbus.idojos.virtualidentitystore.UserMappingRule;
import org.atricore.idbus.kernel.main.authn.BaseUser;
import java.util.ArrayList;
import java.util.Collection;
/**
* @author <a href="mailto:gbrigand@josso.org">Gianluca Brigandi</a>
* @version $Id: ExpressionUserMappingRule.java 1644 2010-07-27 19:31:39Z sgonzalez $
* @org.apache.xbean.XBean element="user-mapping-expression"
*/
public class ExpressionUserMappingRule extends BaseExpressionMappingRule implements UserMappingRule {
private static final Log logger = LogFactory.getLog(ExpressionUserMappingRule.class);
public Collection<BaseUser> select(Collection<BaseUser> sourceUsers) {
if (selectExpression != null) {
Collection<ScriptingRuleParameter> selectParams = new ArrayList<ScriptingRuleParameter>();
selectParams.add(new ScriptingRuleParameterImpl("sourceUsers", sourceUsers, Collection.class));
ScriptingRuleEngine sre = new ScriptingRuleEngine();
ScriptingRuleExecutionOutcome outcome;
try {
outcome = sre.evaluate(selectExpression, language, selectParams);
return (Collection<BaseUser>) outcome.getObject();
} catch (Exception e) {
logger.error("User Mapping Expression Failed...ignoring", e);
}
}
return sourceUsers;
}
public BaseUser join(Collection<BaseUser> selectedUsers) {
if (joinExpression != null) {
Collection<ScriptingRuleParameter> joinParams = new ArrayList<ScriptingRuleParameter>();
joinParams.add(new ScriptingRuleParameterImpl("selectedUsers", selectedUsers, Collection.class));
ScriptingRuleEngine sre = new ScriptingRuleEngine();
ScriptingRuleExecutionOutcome outcome;
try {
outcome = sre.evaluate(joinExpression, language, joinParams);
return (BaseUser) outcome.getObject();
} catch (Exception e) {
logger.error("User Mapping Expression Failed...ignoring", e);
}
}
return null;
}
public BaseUser transform(BaseUser jointUser) {
if (transformExpression != null) {
Collection<ScriptingRuleParameter> transformParams = new ArrayList<ScriptingRuleParameter>();
transformParams.add(new ScriptingRuleParameterImpl("jointUser", jointUser, BaseUser.class));
ScriptingRuleEngine sre = new ScriptingRuleEngine();
ScriptingRuleExecutionOutcome outcome;
try {
outcome = sre.evaluate(transformExpression, language, transformParams);
return (BaseUser) outcome.getObject();
} catch (Exception e) {
logger.error("User Mapping Expression Failed...ignoring", e);
}
}
return null;
}
public void validate(BaseUser transformedUser) {
if (validateExpression != null) {
Collection<ScriptingRuleParameter> validateParams = new ArrayList<ScriptingRuleParameter>();
validateParams.add(new ScriptingRuleParameterImpl("transformedUser", transformedUser, BaseUser.class));
ScriptingRuleEngine sre = new ScriptingRuleEngine();
ScriptingRuleExecutionOutcome outcome;
try {
outcome = sre.evaluate(validateExpression, language, validateParams);
Boolean error = (Boolean) outcome.getObject();
if (error) {
throw new IllegalArgumentException("Error validating mapped user entry");
}
} catch (Exception e) {
logger.error("User Mapping Expression Failed...ignoring", e);
}
}
}
}