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      1 /*
      2  * Copyright (C) 2015 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.compatibility.common.util;
     18 
     19 import java.io.ByteArrayOutputStream;
     20 import java.io.File;
     21 import java.io.FileInputStream;
     22 import java.io.IOException;
     23 import java.io.InputStream;
     24 import java.util.zip.GZIPOutputStream;
     25 
     26 /**
     27  * Uploads a result through a HTTP POST multipart/form-data request containing
     28  * the test result XML.
     29  */
     30 public class ResultUploader {
     31 
     32     private static final int RESULT_XML_BYTES = 500 * 1024;
     33 
     34     /* package */ MultipartForm mMultipartForm;
     35 
     36     public ResultUploader(String serverUrl, String suiteName) {
     37         mMultipartForm = new MultipartForm(serverUrl).addFormValue("suite", suiteName);
     38     }
     39 
     40     /**
     41      * Uploads the given file to the server.
     42      *
     43      * @param reportFile The file to upload.
     44      * @param referenceUrl A reference url to use.
     45      * @throws IOException
     46      */
     47     public int uploadResult(File reportFile, String referenceUrl) throws IOException {
     48         InputStream input = new FileInputStream(reportFile);
     49         try {
     50             byte[] data = getBytes(input);
     51             mMultipartForm.addFormFile("resultXml", "test-result.xml.gz", data);
     52             if (referenceUrl != null && !referenceUrl.trim().isEmpty()) {
     53                 mMultipartForm.addFormValue("referenceUrl", referenceUrl);
     54             }
     55             return mMultipartForm.submit();
     56         } finally {
     57             input.close();
     58         }
     59     }
     60 
     61     private static byte[] getBytes(InputStream input) throws IOException {
     62         ByteArrayOutputStream byteOutput = new ByteArrayOutputStream(RESULT_XML_BYTES);
     63         GZIPOutputStream gzipOutput = new GZIPOutputStream(byteOutput);
     64         byte[] buffer = new byte[1024];
     65         int count;
     66         while ((count = input.read(buffer)) > 0) {
     67             gzipOutput.write(buffer, 0, count);
     68         }
     69         gzipOutput.close();
     70         return byteOutput.toByteArray();
     71     }
     72 
     73 }
     74