iSharkFly-Docs/java-tutorials
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

BAEL-1846: Java Image to Base64 String

Browse Source
This commit is contained in:
nnhai1991@gmail.com 2018-07-01 17:25:39 +08:00
parent ebed45b3ef
commit ace948a705
1 changed files with 32 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
core-java-8/src/main/java/com/baeldung/fileToBase64StringConversion/FileToBase64StringConversion.java Normal file
View File

@ -0,0 +1,32 @@
package com.baeldung.fileToBase64StringConversion;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Base64;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.FilenameUtils;
public class FileToBase64StringConversion {
public static void main(String[] args) throws FileNotFoundException, IOException {
//read file path from first argument
String filePath = args[0];
byte[] fileContent = FileUtils.readFileToByteArray(new File(filePath));
String encodedString = Base64.getEncoder().encodeToString(fileContent);
//print encoded base64 String
System.out.println(encodedString);
//construct output file name
String extension = FilenameUtils.getExtension(filePath);
String baseFileName = FilenameUtils.getBaseName(filePath);
String directory = new File(filePath).getParentFile().getAbsolutePath();
String outputFileName = directory+File.separator+baseFileName+"_copy."+extension;
//decode the string and write to file
byte[] decodedBytes = Base64.getDecoder().decode(encodedString);
FileUtils.writeByteArrayToFile(new File(outputFileName), decodedBytes);
}
}