org.eclipse.dirigible.cli.apis.ImportProjectAPI.java Source code

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Here is the source code for org.eclipse.dirigible.cli.apis.ImportProjectAPI.java

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/******************************************************************************* 
 * Copyright (c) 2015 SAP and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0 
 * which accompanies this distribution, and is available at 
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   SAP - initial API and implementation
 *******************************************************************************/

package org.eclipse.dirigible.cli.apis;

import java.io.IOException;
import java.io.InputStream;
import java.util.Map;
import java.util.Map.Entry;
import java.util.logging.Level;
import java.util.logging.Logger;

import org.apache.http.HttpEntity;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.entity.mime.content.InputStreamBody;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

public class ImportProjectAPI {

    private static final Logger logger = Logger.getLogger(ImportProjectAPI.class.getCanonicalName());
    private static final String PART_NAME = "bin";

    public static void importProject(RequestConfig config, String url, InputStream in, String filename,
            Map<String, String> headers) throws IOException {
        CloseableHttpClient httpClient = HttpClients.createDefault();

        MultipartEntityBuilder entityBuilder = MultipartEntityBuilder.create();
        entityBuilder.addPart(PART_NAME, new InputStreamBody(in, filename));

        HttpPost postRequest = new HttpPost(url);
        postRequest.setEntity(entityBuilder.build());
        addHeaders(postRequest, headers);
        if (config != null) {
            postRequest.setConfig(config);
        }
        executeRequest(httpClient, postRequest);
    }

    private static void addHeaders(HttpPost postRequest, Map<String, String> headers) {
        for (Entry<String, String> header : headers.entrySet()) {
            postRequest.setHeader(header.getKey(), header.getValue());
        }
    }

    private static void executeRequest(CloseableHttpClient httpClient, HttpPost postRequest)
            throws IOException, ClientProtocolException {
        try {
            CloseableHttpResponse response = httpClient.execute(postRequest);
            try {
                logger.log(Level.INFO, "----------------------------------------");
                logger.log(Level.INFO, response.getStatusLine().toString());
                HttpEntity resultEntity = response.getEntity();
                if (resultEntity != null) {
                    logger.log(Level.INFO, "Response content length: " + resultEntity.getContentLength());
                }
                EntityUtils.consume(resultEntity);
            } finally {
                response.close();
            }
        } finally {
            httpClient.close();
        }
    }
}