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/*-
 * ============LICENSE_START=======================================================
 * 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 com.woorea.openstack.connector;

/*
 * Modifications copyright (c) 2017 AT&T Intellectual Property
 */

import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;

import com.sun.jersey.api.client.ClientResponse;
import com.woorea.openstack.base.client.OpenStackResponse;
import com.woorea.openstack.base.client.OpenStackResponseException;

public class JerseyResponse implements OpenStackResponse {

    private ClientResponse response;

    public JerseyResponse(ClientResponse response) {
        this.response = response;
    }

    @Override
    public <T> T getEntity(Class<T> returnType) {
        if(response.getStatus() >= 400) {
            throw new OpenStackResponseException(response.getClientResponseStatus().getReasonPhrase(), 
                    response.getStatus(), this);
        }
        if(response.hasEntity() && returnType != null && Void.class != returnType) {
            return response.getEntity(returnType);
        } else {
            return null;
        }
    }

    @Override
    public <T> T getErrorEntity(Class<T> returnType) {
        if(response.getStatus() >= 400 && response.hasEntity()) {
            return response.getEntity(returnType);
        }
        return null;
    }

    @Override
    public InputStream getInputStream() {
        if(response.hasEntity()) {
            return response.getEntityInputStream();
        } else {
            return null;
        }
    }

    @Override
    public String header(String name) {
        return response.getHeaders().getFirst(name);
    }

    @Override
    public Map<String, String> headers() {
        Map<String, String> headers = new HashMap<>();
        for(String k : response.getHeaders().keySet()) {
            headers.put(k, response.getHeaders().getFirst(k));
        }
        return headers;
    }
}