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| public class FileUpload {
private static final String OSS_DIR = "dir/";
private static final String BUCKET = "bucket";
private static final String CDN_PRE = "https://cdn.com/" + OSS_DIR;
private static final String END_POINT = "endpoint";
private static final String KEY_ID = "key_id";
private static final String KEY = "key";
public static void main(String[] args) {
if(args.length < 1){
printUsage();
return;
}
String path = args[0];
if(isBlank(path)){
printUsage();
return;
}
File file = new File(path);
if(!file.exists()){
printErr(path + " not found.");
return;
}
try{
upload(file);
}catch(Exception e){
e.printStackTrace();
}
}
public static String writeToOss(String fileName, String suffixName,byte[] data) {
if(isBlank(fileName) || isBlank(suffixName) || data == null || data.length == 0 ){
throw new IllegalArgumentException("file name or data is empty");
}
suffixName = suffixName.trim();
String newName = fileName + suffixName;
String ossFilePath = OSS_DIR + newName;
OSS oss = null;
try {
oss = new OSSClientBuilder().build(END_POINT,KEY_ID,KEY);
PutObjectResult putObjectResult = oss.putObject(BUCKET, ossFilePath, new ByteArrayInputStream(data));
} catch (Exception e) {
String errMsg = "put oss object error,fileName:" + ",data size:" + data.length;
throw new IllegalStateException(errMsg);
} finally {
try {
if (oss != null) {
oss.shutdown();
}
} catch (Exception e) {
}
}
String cdnPath = CDN_PRE + newName;
return cdnPath;
}
public static final void upload(File file){
if(file.isFile()){
upload0(file);
}else if(file.isDirectory()){
File[] files = file.listFiles();
for (File f : files) {
if(f.isFile()){
upload0(f);
}
}
}
}
public static void upload0(File file){
try {
String name = file.getName();
String suffix = getSuffix(name);
byte[] bytes = Files.readAllBytes(file.toPath());
String md5 = md5(bytes);
String cdnPath = writeToOss(md5,suffix,bytes);
System.out.println("file : " + file.getPath());
System.out.println("md5 : " + md5);
System.out.println("url : " + cdnPath);
System.out.println("===upload success===");
} catch (IOException e) {
throw new IllegalStateException(e);
}
}
private static void printUsage(){
System.out.println("==========usage==========");
System.out.println("java -jar xxx.jar [file/dir]");
}
private static void printErr(String error){
System.err.println(error);
}
private static boolean isBlank(final CharSequence cs) {
int strLen;
if (cs == null || (strLen = cs.length()) == 0) {
return true;
}
for (int i = 0; i < strLen; i++) {
if (!Character.isWhitespace(cs.charAt(i))) {
return false;
}
}
return true;
}
public static final char[] HEX_DIGITS = "0123456789abcdef".toCharArray();
private static String byte2Hex(byte[] bytes) {
int j = bytes.length;
char[] md5 = new char[j * 2];
int k = 0;
for (int i = 0; i < j; i++) {
byte byte0 = bytes[i];
md5[k++] = HEX_DIGITS[byte0 >>> 4 & 0xf];
md5[k++] = HEX_DIGITS[byte0 & 0xf];
}
return new String(md5);
}
private static String encode(String alg, byte[] message) {
try {
MessageDigest md = MessageDigest.getInstance(alg);
return byte2Hex(md.digest(message));
} catch (NoSuchAlgorithmException e) {
throw new RuntimeException(e);
}
}
public static String md5(String message) {
try {
return md5(message.getBytes("UTF-8"));
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public static String md5(byte[] message) {
return encode("MD5", message);
}
public static String sha256(String message) {
try {
return sha256(message.getBytes("UTF-8"));
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public static String sha256(byte[] message) {
return encode("SHA-256", message);
}
public static synchronized String base64Encode(byte[] buff) {
if (null == buff) {
return null;
} else {
return Base64.getEncoder().encodeToString(buff);
}
}
public static String hmacSHA1(String source, String accessSecret) throws Exception {
Mac e = Mac.getInstance("HmacSHA1");
e.init(new SecretKeySpec(accessSecret.getBytes("UTF-8"), "HmacSHA1"));
byte[] signData = e.doFinal(source.getBytes("UTF-8"));
return base64Encode(signData);
}
public static String hmacSHA256(String source, String accessSecret) throws Exception {
Mac e = Mac.getInstance("HmacSHA256");
e.init(new SecretKeySpec(accessSecret.getBytes("UTF-8"), "HmacSHA256"));
byte[] signData = e.doFinal(source.getBytes("UTF-8"));
return base64Encode(signData);
}
public static final String DOT = ".";
public static final String getSuffix(String fileName) {
if(isBlank(fileName)){
throw new IllegalArgumentException("file name is empty");
}
int index = fileName.lastIndexOf(DOT);
if(index > 0 ){
String suffix = fileName.substring(index);
return suffix;
}
return "";
}
}
|