package com.ruoyi.worker.entity;
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import org.springframework.util.FileCopyUtils;
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import org.springframework.web.multipart.MultipartFile;
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import java.io.ByteArrayInputStream;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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/**
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* @author
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* file转MultipartFile的时候会用到MockMultipartFile
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* 当你导入spring-test依赖的时候 会跟某些依赖冲突（暂未找到具体是哪个冲突）
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* 解决方法 重写一个类去实现MultipartFile接口
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* 直接用MockMultipartFile的源码
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*
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*/
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public class MultipartFileDto implements MultipartFile {
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private final String name;
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private String originalFilename;
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private String contentType;
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private final byte[] content;
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/**
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* Create a new MultipartFileDto with the given content.
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* @param name the name of the file
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* @param content the content of the file
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*/
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public MultipartFileDto(String name, byte[] content) {
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this(name, "", null, content);
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}
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/**
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* Create a new MultipartFileDto with the given content.
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* @param name the name of the file
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* @param contentStream the content of the file as stream
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* @throws IOException if reading from the stream failed
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*/
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public MultipartFileDto(String name, InputStream contentStream) throws IOException {
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this(name, "", null, FileCopyUtils.copyToByteArray(contentStream));
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}
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/**
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* Create a new MultipartFileDto with the given content.
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* @param name the name of the file
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* @param originalFilename the original filename (as on the client's machine)
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* @param contentType the content type (if known)
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* @param content the content of the file
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*/
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public MultipartFileDto(String name, String originalFilename, String contentType, byte[] content) {
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this.name = name;
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this.originalFilename = (originalFilename != null ? originalFilename : "");
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this.contentType = contentType;
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this.content = (content != null ? content : new byte[0]);
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}
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/**
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* Create a new MultipartFileDto with the given content.
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* @param name the name of the file
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* @param originalFilename the original filename (as on the client's machine)
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* @param contentType the content type (if known)
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* @param contentStream the content of the file as stream
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* @throws IOException if reading from the stream failed
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*/
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public MultipartFileDto(String name, String originalFilename, String contentType, InputStream contentStream)
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throws IOException {
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this(name, originalFilename, contentType, FileCopyUtils.copyToByteArray(contentStream));
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}
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@Override
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public String getName() {
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return this.name;
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}
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@Override
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public String getOriginalFilename() {
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return this.originalFilename;
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}
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@Override
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public String getContentType() {
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return this.contentType;
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}
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@Override
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public boolean isEmpty() {
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return (this.content.length == 0);
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}
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@Override
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public long getSize() {
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return this.content.length;
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}
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@Override
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public byte[] getBytes() throws IOException {
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return this.content;
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}
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@Override
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public InputStream getInputStream() throws IOException {
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return new ByteArrayInputStream(this.content);
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}
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@Override
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public void transferTo(File dest) throws IOException, IllegalStateException {
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FileCopyUtils.copy(this.content, dest);
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}
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}
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