org.ow2.proactive.scheduling.api.graphql.client.SchedulingApiClient.java Source code

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Here is the source code for org.ow2.proactive.scheduling.api.graphql.client.SchedulingApiClient.java

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/*
 * ProActive Parallel Suite(TM):
 * The Open Source library for parallel and distributed
 * Workflows & Scheduling, Orchestration, Cloud Automation
 * and Big Data Analysis on Enterprise Grids & Clouds.
 *
 * Copyright (c) 2007 - 2017 ActiveEon
 * Contact: contact@activeeon.com
 *
 * This library is free software: you can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License
 * as published by the Free Software Foundation: version 3 of
 * the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 *
 * If needed, contact us to obtain a release under GPL Version 2 or 3
 * or a different license than the AGPL.
 */
package org.ow2.proactive.scheduling.api.graphql.client;

import java.util.Map;

import org.ow2.proactive.scheduling.api.graphql.beans.input.Query;
import org.ow2.proactive.scheduling.api.graphql.beans.output.SchedulingApiResponse;
import org.ow2.proactive.scheduling.api.graphql.client.exception.SchedulingApiException;
import org.springframework.http.HttpEntity;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
import org.springframework.web.client.RestTemplate;

import com.google.common.base.Strings;

import lombok.Getter;
import lombok.extern.log4j.Log4j2;

@Log4j2
public class SchedulingApiClient {

    private final RestTemplate restTemplate = new RestTemplate();

    private final String url;

    @Getter
    private final String sessionId;

    public SchedulingApiClient(String url, String sessionId) {
        this.url = url;
        this.sessionId = sessionId;
    }

    public SchedulingApiResponse execute(Query query) throws SchedulingApiException {
        if (Strings.isNullOrEmpty(url)) {
            throw new SchedulingApiException("API server URL is not initialized");
        }

        try {
            MultiValueMap<String, String> headers = new LinkedMultiValueMap<String, String>();
            headers.add("sessionid", sessionId);
            headers.add("Content-Type", "application/json");

            log.debug("request query : ", query.getQuery());

            HttpEntity<Map<String, String>> request = new HttpEntity<>(query.getQueryMap(), headers);

            restTemplate.getMessageConverters().add(new MappingJackson2HttpMessageConverter());
            return restTemplate.postForObject(url, request, SchedulingApiResponse.class);
        } catch (Exception e) {
            throw new SchedulingApiException("Exception", e);
        }
    }

}