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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2011 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
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package org.glassfish.apf.impl;

import java.util.Map;
import java.util.HashMap;
import java.lang.reflect.AnnotatedElement;

import org.glassfish.apf.ProcessingResult;
import org.glassfish.apf.ResultType;
import org.glassfish.apf.HandlerProcessingResult;

/**
 * Implementation of the ProcessingResult interface
 *
 * @author Jerome Dochez
 */
public class ProcessingResultImpl implements ProcessingResult {
    
    Map results;
    ResultType overallResult = ResultType.UNPROCESSED;
    
    /** Creates a new instance of ProcessingResultImpl */
    public ProcessingResultImpl() {
        results = new HashMap();
    }
    
    public void add(ProcessingResult pr) {
        
        Map results = pr.getResults();
        for (Map.Entry element : results.entrySet()) {
            add(element.getKey(), element.getValue());
        }
    }
    
    public void add(AnnotatedElement element, HandlerProcessingResult elementResult) {

        if (elementResult.getOverallResult().compareTo(overallResult)>0) {
            overallResult = elementResult.getOverallResult();
        }
        if (results.containsKey(element)) {
            HandlerProcessingResultImpl previousResult = (HandlerProcessingResultImpl) results.get(element);
            previousResult.addAll(elementResult);
        } else {
            if (elementResult instanceof HandlerProcessingResultImpl) {
                results.put(element, elementResult);
            } else {
                HandlerProcessingResultImpl result = new HandlerProcessingResultImpl();
                result.addAll(elementResult);
                results.put(element, result);
            }
        }
    }
    
    public Map getResults() {
        return results;
    }
    
    public ResultType getOverallResult(){
        return overallResult;
    }
}