com.liferay.mobile.android.http.file.UploadUtil.java Source code

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Here is the source code for com.liferay.mobile.android.http.file.UploadUtil.java

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/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library 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 Lesser General Public License for more
 * details.
 */

package com.liferay.mobile.android.http.file;

import com.liferay.mobile.android.service.Session;

import java.util.Iterator;

import org.apache.http.Consts;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPostHC4;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.mime.HttpMultipartMode;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.entity.mime.content.ContentBody;
import org.apache.http.entity.mime.content.StringBody;

import org.json.JSONArray;
import org.json.JSONObject;

import static com.liferay.mobile.android.http.HttpUtil.*;

/**
 * @author Bruno Farache
 */
public class UploadUtil {

    public static JSONArray upload(Session session, JSONObject command) throws Exception {

        String path = (String) command.keys().next();
        JSONObject parameters = command.getJSONObject(path);

        HttpClient client = getClient(session);
        HttpPostHC4 request = getHttpPost(session, getURL(session, path));

        HttpEntity entity = getMultipartEntity(request, parameters);

        request.setEntity(entity);

        HttpResponse response = client.execute(request);
        String json = getResponseString(response);

        handleServerError(request, response, json);

        return new JSONArray("[" + json + "]");
    }

    protected static HttpEntity getMultipartEntity(HttpPostHC4 request, JSONObject parameters) throws Exception {

        MultipartEntityBuilder builder = MultipartEntityBuilder.create();
        builder.setMode(HttpMultipartMode.BROWSER_COMPATIBLE);

        ContentType contentType = ContentType.create("text/plain", Consts.UTF_8);

        Iterator<String> it = parameters.keys();

        while (it.hasNext()) {
            String key = it.next();
            Object value = parameters.get(key);

            ContentBody contentBody;

            if (value instanceof UploadData) {
                UploadData wrapper = (UploadData) value;
                wrapper.setRequest(request);

                contentBody = wrapper;
            } else {
                contentBody = new StringBody(value.toString(), contentType);
            }

            builder.addPart(key, contentBody);
        }

        return builder.build();
    }

}