| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| |
| package org.apache.carbondata.sdk.util; |
| |
| import org.apache.carbondata.core.metadata.datatype.DataTypes; |
| import org.apache.carbondata.sdk.file.CarbonWriter; |
| import org.apache.carbondata.sdk.file.Field; |
| import org.apache.carbondata.sdk.file.Schema; |
| |
| import java.io.*; |
| |
| import static org.apache.carbondata.sdk.file.utils.SDKUtil.listFiles; |
| |
| public class BinaryUtil { |
| public static void binaryToCarbon(String sourceImageFolder, String outputPath, |
| String sufAnnotation, final String sufImage) throws Exception { |
| Field[] fields = new Field[5]; |
| fields[0] = new Field("binaryId", DataTypes.INT); |
| fields[1] = new Field("binaryName", DataTypes.STRING); |
| fields[2] = new Field("binary", DataTypes.BINARY); |
| fields[3] = new Field("labelName", DataTypes.STRING); |
| fields[4] = new Field("labelContent", DataTypes.STRING); |
| CarbonWriter writer = CarbonWriter |
| .builder() |
| .outputPath(outputPath) |
| .withCsvInput(new Schema(fields)) |
| .withBlockSize(256) |
| .writtenBy("binaryExample") |
| .withPageSizeInMb(1) |
| .build(); |
| binaryToCarbon(sourceImageFolder, writer, sufAnnotation, sufImage); |
| } |
| |
| public static boolean binaryToCarbon(String sourceImageFolder, CarbonWriter writer, |
| String sufAnnotation, final String sufImage) throws Exception { |
| int num = 1; |
| |
| byte[] originBinary = null; |
| |
| // read and write image data |
| for (int j = 0; j < num; j++) { |
| |
| Object[] files = listFiles(sourceImageFolder, sufImage).toArray(); |
| |
| if (null != files) { |
| for (int i = 0; i < files.length; i++) { |
| // read image and encode to Hex |
| BufferedInputStream bis = new BufferedInputStream( |
| new FileInputStream(new File((String) files[i]))); |
| originBinary = new byte[bis.available()]; |
| while ((bis.read(originBinary)) != -1) { |
| } |
| |
| String labelFileName = ((String) files[i]).split(sufImage)[0] + sufAnnotation; |
| BufferedInputStream txtBis = new BufferedInputStream(new FileInputStream(labelFileName)); |
| String labelValue = null; |
| byte[] labelBinary = null; |
| labelBinary = new byte[txtBis.available()]; |
| while ((txtBis.read(labelBinary)) != -1) { |
| labelValue = new String(labelBinary, "UTF-8"); |
| } |
| // write data |
| writer.write(new Object[]{i, (String) files[i], originBinary, |
| labelFileName, labelValue}); |
| bis.close(); |
| txtBis.close(); |
| } |
| } |
| writer.close(); |
| } |
| return true; |
| } |
| } |