package com.mzl.flower.utils;
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import org.springframework.web.multipart.MultipartFile;
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import javax.imageio.ImageIO;
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import java.awt.image.BufferedImage;
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import java.io.*;
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public class FileUtil
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{
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public static String getFileEndfix(String fileName){
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int idx = fileName.lastIndexOf(".");
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String end = "";
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if(idx > -1){
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end = fileName.substring(idx);
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}
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return end;
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}
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public static String prepareSubFolder(Long id){
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String tt = "0" + id;
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return tt.substring(0, 2);
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}
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public static String saveFile(String path, byte[] filebytes, String fileName, String group){
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String fileDir = group + "/";
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String uuid = UUIDGenerator.getUUID();
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fileDir += uuid.substring(0, 2) + "/";
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path = path + fileDir;
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File dir = new File(path);
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if(!dir.exists()){
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dir.mkdirs();
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}
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File newFile = new File(path + fileName);
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InputStream inputStream = null;
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OutputStream outputStream = null;
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try {
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inputStream = new ByteArrayInputStream(filebytes);
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if (!newFile.exists()) {
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newFile.createNewFile();
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}
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outputStream = new FileOutputStream(newFile);
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int read = 0;
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byte[] bytes = new byte[1024];
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while ((read = inputStream.read(bytes)) != -1) {
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outputStream.write(bytes, 0, read);
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}
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} catch (Exception e) {
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try{
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newFile.delete();
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}catch(Exception e1){
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}
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return null;
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} finally{
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if(inputStream != null){
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try {
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inputStream.close();
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} catch (IOException e) {
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}
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}
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if(outputStream != null){
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try {
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outputStream.close();
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} catch (IOException e) {
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}
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}
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}
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if(newFile.length() == 0){
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return null;
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}
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String imageUrl = fileDir + fileName;
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return imageUrl;
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}
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public static String saveFile(String path, MultipartFile file, String fileName, String group){
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String fileDir = group + "/";
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path = path + fileDir;
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File dir = new File(path);
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if(!dir.exists()){
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dir.mkdirs();
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}
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File newFile = new File(path + fileName);
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InputStream inputStream = null;
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OutputStream outputStream = null;
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try {
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inputStream = file.getInputStream();
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if (!newFile.exists()) {
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newFile.createNewFile();
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}
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outputStream = new FileOutputStream(newFile);
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int read = 0;
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byte[] bytes = new byte[1024];
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while ((read = inputStream.read(bytes)) != -1) {
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outputStream.write(bytes, 0, read);
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}
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} catch (Exception e) {
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try{
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newFile.delete();
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}catch(Exception e1){
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}
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return null;
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} finally{
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if(inputStream != null){
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try {
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inputStream.close();
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} catch (IOException e) {
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}
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}
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if(outputStream != null){
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try {
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outputStream.close();
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} catch (IOException e) {
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}
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}
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}
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if(newFile.length() == 0){
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return null;
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}
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String imageUrl = fileDir + fileName;
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return imageUrl;
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}
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public static String getImageWh(File file){
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if(file == null || !file.exists()){
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return null;
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}
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String str = null;
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InputStream inputStream1 = null;
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try{
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inputStream1 = new FileInputStream(file);
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BufferedImage image = ImageIO.read(inputStream1);
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Integer width = image.getWidth();
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Integer height = image.getHeight();
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str = "#" + width + "," + height;
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} catch (Exception e) {
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} finally{
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if(inputStream1 != null){
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try {
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inputStream1.close();
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} catch (IOException e) {
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}
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}
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}
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return str;
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}
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public static String saveFile(String path, File file, String fileName, String group){
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String fileDir = group + "/";
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path = path + fileDir;
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File dir = new File(path);
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if(!dir.exists()){
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dir.mkdirs();
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}
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File newFile = new File(path + fileName);
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InputStream inputStream = null;
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OutputStream outputStream = null;
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try {
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inputStream = new FileInputStream(file);
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if (!newFile.exists()) {
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newFile.createNewFile();
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}
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outputStream = new FileOutputStream(newFile);
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int read = 0;
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byte[] bytes = new byte[1024];
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while ((read = inputStream.read(bytes)) != -1) {
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outputStream.write(bytes, 0, read);
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}
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} catch (Exception e) {
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try{
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newFile.delete();
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}catch(Exception e1){
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}
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return null;
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} finally{
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if(inputStream != null){
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try {
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inputStream.close();
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} catch (IOException e) {
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}
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}
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if(outputStream != null){
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try {
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outputStream.close();
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} catch (IOException e) {
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}
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}
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}
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if(newFile.length() == 0){
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return null;
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}
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String imageUrl = fileDir + fileName;
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return imageUrl;
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}
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public static File createTempFile(String prefix, String suffix) throws IOException
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{
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return File.createTempFile(prefix, suffix);
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}
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public static void copyFile(String srcPath, String destPath)throws Exception {
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copyFile(new File(srcPath), new File(destPath));
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}
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public static void copyFile(File srcPath, File destPath)throws Exception {
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try{
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FileInputStream inPut = new FileInputStream(srcPath);
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FileOutputStream outPut = new FileOutputStream(destPath);
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byte[] bytes=new byte[1024];
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int i;
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while((i=inPut.read(bytes))!= -1){
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outPut.write(bytes,0,i);
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}
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inPut.close();
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outPut.close();
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} catch(Exception e){
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throw e;
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}
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}
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}
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