/*
* Copyright (c) 2010-2014 Evolveum
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.evolveum.midpoint.model.impl.scripting.actions;
import com.evolveum.midpoint.model.impl.scripting.Data;
import com.evolveum.midpoint.model.impl.scripting.ExecutionContext;
import com.evolveum.midpoint.model.api.ScriptExecutionException;
import com.evolveum.midpoint.prism.*;
import com.evolveum.midpoint.schema.result.OperationResult;
import com.evolveum.midpoint.util.logging.Trace;
import com.evolveum.midpoint.util.logging.TraceManager;
import com.evolveum.midpoint.xml.ns._public.common.common_3.ObjectType;
import com.evolveum.midpoint.xml.ns._public.model.scripting_3.ActionExpressionType;
import org.springframework.stereotype.Component;
import javax.annotation.PostConstruct;
import javax.xml.namespace.QName;
/**
* Resolves a reference, e.g. a linkRef into a set of accounts.
*
* @author mederly
*/
@Component
public class ResolveExecutor extends BaseActionExecutor {
private static final Trace LOGGER = TraceManager.getTrace(ResolveExecutor.class);
private static final String NAME = "resolve";
private static final String PARAM_NO_FETCH = "noFetch";
@PostConstruct
public void init() {
scriptingExpressionEvaluator.registerActionExecutor(NAME, this);
}
@Override
public Data execute(ActionExpressionType expression, Data input, ExecutionContext context, OperationResult result) throws ScriptExecutionException {
boolean noFetch = expressionHelper.getArgumentAsBoolean(expression.getParameter(), PARAM_NO_FETCH, input, context, false, NAME, result);
Data output = Data.createEmpty();
for (PrismValue value : input.getData()) {
context.checkTaskStop();
if (value instanceof PrismReferenceValue) {
PrismReferenceValue prismReferenceValue = (PrismReferenceValue) value;
String oid = prismReferenceValue.getOid();
QName targetTypeQName = prismReferenceValue.getTargetType();
if (targetTypeQName == null) {
throw new ScriptExecutionException("Couldn't resolve reference, because target type is unknown: " + prismReferenceValue);
}
Class<? extends ObjectType> typeClass = (Class) prismContext.getSchemaRegistry().determineCompileTimeClass(targetTypeQName);
if (typeClass == null) {
throw new ScriptExecutionException("Couldn't resolve reference, because target type class is unknown for target type " + targetTypeQName);
}
try {
output.addValue(operationsHelper.getObject(typeClass, oid, noFetch, context, result).getValue());
} catch (Throwable e) {
//noinspection ThrowableNotThrown
processActionException(e, NAME, value, context);
}
} else {
//noinspection ThrowableNotThrown
processActionException(new ScriptExecutionException("Item is not a PrismReference"), NAME, value, context);
}
}
return output;
}
}