EventItemProcessorImpl.java example

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/**
 * Copyright 2008-2016 Qualogy Solutions B.V.
 *
 * 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.qualogy.qafe.gwt.server.processor.impl;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import com.qualogy.qafe.bind.presentation.event.function.BuiltInFunction;
import com.qualogy.qafe.core.datastore.DataStore;
import com.qualogy.qafe.core.errorhandling.ExternalException;
import com.qualogy.qafe.gwt.client.vo.data.EventItemDataGVO;
import com.qualogy.qafe.gwt.client.vo.functions.BuiltInFunctionGVO;
import com.qualogy.qafe.gwt.client.vo.functions.BusinessActionRefGVO;
import com.qualogy.qafe.gwt.client.vo.functions.DataContainerGVO;
import com.qualogy.qafe.gwt.server.event.assembler.AnyEventAssembler;
import com.qualogy.qafe.gwt.server.processor.EventItemProcessor;
import com.qualogy.qafe.presentation.BusinessActionItemDataObject;
import com.qualogy.qafe.presentation.EventItemDataObject;
import com.qualogy.qafe.presentation.handler.EventItemHandler;

public class EventItemProcessorImpl implements EventItemProcessor {

    public Map<String, Object> execute(EventItemDataGVO eventItemData) throws ExternalException {
        EventItemDataObject eventItemDataObject = null;
        if (eventItemData.getBuiltInGVO() instanceof BusinessActionRefGVO) {
            BusinessActionRefGVO businessActionRefGVO =
                (BusinessActionRefGVO) eventItemData.getBuiltInGVO();
            eventItemDataObject =
                new BusinessActionItemDataObject(eventItemData.getSessionId(), eventItemData.getAppId(),eventItemData.getWindowId(),
                        businessActionRefGVO.getBusinessActionId(), eventItemData.getInputValues(), eventItemData.getOutputVariables(),
                        eventItemData.getInternalVariables());
        }

        final EventItemHandler eventItemHandler = EventItemHandler.getInstance();
        Map<String, Object> outputValues = eventItemHandler.execute(eventItemDataObject);
        if (outputValues != null) {
        	for (String key : outputValues.keySet()) {
        		Object keyValue = outputValues.get(key);
        		if (DataStore.KEY_WORD_QAFE_BUILT_IN_LIST.equals(key)) {
        			keyValue = assembleBuiltIns((List<BuiltInFunction>)keyValue);
        		} else {
        			keyValue = DataContainerGVO.create(keyValue);	
        		}
            	outputValues.put(key, keyValue);
            }
        }
        return outputValues;
    }

	private List<BuiltInFunctionGVO> assembleBuiltIns(List<BuiltInFunction> builtIns) {
		List<BuiltInFunctionGVO> builtInGVOs = new ArrayList<BuiltInFunctionGVO>();
		if (builtIns == null) {
			return builtInGVOs;
		}
		for (BuiltInFunction builtIn : builtIns) {
			BuiltInFunctionGVO builtIGVO = AnyEventAssembler.assemble(builtIn, null, null);
			if (builtIGVO != null) {
				builtInGVOs.add(builtIGVO);
			}
		}
		return builtInGVOs;
	}
}