com.letsgood.synergykitsdkandroid.requestmethods.PostFile.java Source code

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Here is the source code for com.letsgood.synergykitsdkandroid.requestmethods.PostFile.java

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/*
 * Copyright [2015] [Letsgood.com s.r.o.]
 *
 * 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.Copyright [2015] [Letsgood.com s.r.o.]
 *
 * 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.
 *
 * Created by Bc. Pavel Stambrecht for Letsgood.com s.r.o.
 */

package com.letsgood.synergykitsdkandroid.requestmethods;

import android.util.Base64;

import com.letsgood.synergykitsdkandroid.Synergykit;
import com.letsgood.synergykitsdkandroid.errors.Errors;
import com.letsgood.synergykitsdkandroid.log.SynergykitLog;
import com.letsgood.synergykitsdkandroid.resources.SynergykitUri;

import org.apache.http.HttpStatus;

import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.net.HttpURLConnection;
import java.net.URL;

public class PostFile extends RequestMethod {
    /* Constants */
    protected static final String REQUEST_METHOD = "POST";
    protected static final String ATTACHMENT_NAME = "file";
    protected static final String ATTACHMENT_FILE_NAME = "file.jpg";
    protected static final String CRLF = "\r\n";
    protected static final String TWO_HYPHENS = "--";
    protected static final String BOUNDARY = "*****";

    /* Attributes */
    private byte[] data = null;
    private DataOutputStream dataOutputStream = null;

    /* Constructor */
    public PostFile(final SynergykitUri uri, final byte[] data, final String sessionToken,
            final boolean sessionTokenRequired) {
        super(uri, sessionToken, sessionTokenRequired);
        this.data = data;
    }

    /* Execute */
    @Override
    public BufferedReader execute() {
        String uri = null;

        //init check
        if (!Synergykit.isInit()) {
            SynergykitLog.print(Errors.MSG_SK_NOT_INITIALIZED);

            statusCode = Errors.SC_SK_NOT_INITIALIZED;
            return null;
        }

        //URI check
        uri = getUri().toString();

        if (uri == null) {
            statusCode = Errors.SC_URI_NOT_VALID;
            return null;
        }

        //session token check
        if (sessionTokenRequired && sessionToken == null) {
            statusCode = Errors.SC_NO_SESSION_TOKEN;
            return null;
        }

        try {
            url = new URL(uri); // init url

            httpURLConnection = (HttpURLConnection) url.openConnection(); //open connection
            httpURLConnection.setConnectTimeout(CONNECT_TIMEOUT); //set connect timeout
            httpURLConnection.setReadTimeout(READ_TIMEOUT); //set read timeout
            httpURLConnection.setRequestMethod(REQUEST_METHOD); //set method
            httpURLConnection.addRequestProperty(PROPERTY_USER_AGENT, PROPERTY_USER_AGENT_VALUE); //set property accept
            httpURLConnection.addRequestProperty(PROPERTY_ACCEPT, ACCEPT_APPLICATION_VALUE); //set property accept
            httpURLConnection.addRequestProperty("Content-Type", "multipart/form-data;boundary=" + BOUNDARY);
            httpURLConnection.addRequestProperty("Connection", "Keep-Alive");
            httpURLConnection.setDoInput(true);
            httpURLConnection.setDoOutput(true);

            httpURLConnection.addRequestProperty(PROPERTY_AUTHORIZATION,
                    "Basic " + Base64.encodeToString(
                            (Synergykit.getTenant() + ":" + Synergykit.getApplicationKey()).getBytes(),
                            Base64.NO_WRAP)); //set authorization

            if (Synergykit.getSessionToken() != null)
                httpURLConnection.addRequestProperty(PROPERTY_SESSION_TOKEN, Synergykit.getSessionToken());

            httpURLConnection.connect();

            //write data
            if (data != null) {
                dataOutputStream = new DataOutputStream(httpURLConnection.getOutputStream());

                dataOutputStream.writeBytes(TWO_HYPHENS + BOUNDARY + CRLF);
                dataOutputStream.writeBytes("Content-Disposition: form-data; name=\"" + ATTACHMENT_NAME
                        + "\";filename=\"" + ATTACHMENT_FILE_NAME + "\"" + CRLF);
                dataOutputStream.writeBytes(CRLF);
                dataOutputStream.write(data);
                dataOutputStream.writeBytes(CRLF);
                dataOutputStream.writeBytes(TWO_HYPHENS + BOUNDARY + TWO_HYPHENS + CRLF);
                dataOutputStream.flush();
                dataOutputStream.close();
            }

            statusCode = httpURLConnection.getResponseCode(); //get status code
            SynergykitLog.print(Integer.toString(statusCode));

            //read stream
            if (statusCode >= HttpURLConnection.HTTP_OK && statusCode < HttpURLConnection.HTTP_MULT_CHOICE) {
                return readStream(httpURLConnection.getInputStream());
            } else {
                return readStream(httpURLConnection.getErrorStream());
            }

        } catch (Exception e) {
            statusCode = HttpStatus.SC_SERVICE_UNAVAILABLE;
            e.printStackTrace();
            return null;
        }

    }
}