/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2017 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://oss.oracle.com/licenses/CDDL+GPL-1.1
 * or LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

package com.sun.xml.ws.model;

import com.sun.xml.ws.api.model.ParameterBinding;
import com.sun.xml.ws.binding.WebServiceFeatureList;

import javax.jws.WebParam.Mode;
import javax.xml.namespace.QName;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

/**
 * Creates SOAP specific RuntimeModel
 *
 * @author Vivek Pandey
 */
public class SOAPSEIModel extends AbstractSEIModelImpl {
	
	private final Lock lock = new ReentrantLock();

    public SOAPSEIModel(WebServiceFeatureList features) {
        super(features);
    }

    @Override
    protected void populateMaps() {
        int emptyBodyCount = 0;
        for(JavaMethodImpl jm : getJavaMethods()){
            put(jm.getMethod(), jm);
            boolean bodyFound = false;
            for(ParameterImpl p:jm.getRequestParameters()){
                ParameterBinding binding = p.getBinding();
                if(binding.isBody()){
                    put(p.getName(), jm);
                    bodyFound = true;
                }
            }            
            if(!bodyFound){
                put(emptyBodyName, jm);
//                System.out.println("added empty body for: "+jm.getMethod().getName());
                emptyBodyCount++;
            }
        }
        if(emptyBodyCount > 1){
            //TODO throw exception
//            System.out.println("Error: Unqiue signature violation - more than 1 empty body!");
        }
    }

    public Set<QName> getKnownHeaders() {
        Set<QName> headers = new HashSet<QName>();
        
        try{
        	lock.lock();
            for (JavaMethodImpl method : getJavaMethods()) {
             // fill in request headers
             Iterator<ParameterImpl> params = method.getRequestParameters().iterator();
             fillHeaders(params, headers, Mode.IN);

            // fill in response headers
             params = method.getResponseParameters().iterator();
             fillHeaders(params, headers, Mode.OUT);
			  }
        }finally
        {
        	lock.unlock();
         }
        return headers;
    }

    /**
     * @param params
     * @param headers
     */
    private void fillHeaders(Iterator<ParameterImpl> params, Set<QName> headers, Mode mode) {
        while (params.hasNext()) {
            ParameterImpl param = params.next();
            ParameterBinding binding = (mode == Mode.IN)?param.getInBinding():param.getOutBinding();
            QName name = param.getName();
            if (binding.isHeader() && !headers.contains(name)) {
                headers.add(name);
            }
        }
    }
}
