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/*-
 * ============LICENSE_START=======================================================
 * ONAP - SO
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * 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.
 * ============LICENSE_END=========================================================
 */

package org.openecomp.mso.apihandler.common;

import java.io.IOException;

import javax.ws.rs.core.MediaType;
import javax.xml.bind.DatatypeConverter;

import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;

import org.openecomp.mso.logger.MsoLogger;

public class BPELRestClient extends RequestClient {

    private static MsoLogger msoLogger = MsoLogger.getMsoLogger (MsoLogger.Catalog.APIH);

    public BPELRestClient () {
        super (CommonConstants.BPEL);
    }

    @Override
    public HttpResponse post (String bpelReqXML,
                              String requestId,
                              String requestTimeout,
                              String schemaVersion,
                              String serviceInstanceId,
                              String action) throws ClientProtocolException, IOException {
        String encryptedCredentials;
        HttpPost post = new HttpPost (url);
        msoLogger.debug ("BPEL url is: " + url);
        StringEntity input = new StringEntity (bpelReqXML);
        input.setContentType (MediaType.TEXT_XML);
        if (props != null) {
            encryptedCredentials = props.getProperty (CommonConstants.BPEL_AUTH,null);
            if (encryptedCredentials != null) {
                String userCredentials = getEncryptedPropValue (encryptedCredentials,
                                                                CommonConstants.DEFAULT_BPEL_AUTH,
                                                                CommonConstants.ENCRYPTION_KEY);
                if (userCredentials != null) {
                    post.addHeader ("Authorization",
                                    "Basic " + DatatypeConverter.printBase64Binary (userCredentials.getBytes ()));
                }
            }
        }
        post.addHeader (CommonConstants.REQUEST_ID_HEADER, requestId);
        post.addHeader (CommonConstants.REQUEST_TIMEOUT_HEADER, requestTimeout);
        post.addHeader (CommonConstants.SCHEMA_VERSION_HEADER, schemaVersion);
        if (serviceInstanceId != null) {
            post.addHeader (CommonConstants.SERVICE_INSTANCE_ID_HEADER, serviceInstanceId);
        }
        if (action != null) {
            post.addHeader (CommonConstants.ACTION_HEADER, action);
        }
        post.setEntity (input);
        HttpResponse response = client.execute (post);
        msoLogger.debug ("bpel response " + response);
        return response;
    }

    @Override
    public HttpResponse post (String bpelReqXML) {
        return null;
    }

    @Override
    public HttpResponse post(RequestClientParamater params) {
        return null;
    }

    @Override
    public HttpResponse get() {
        return null;
    }
}