UploadFile.java

package org.theonefx.wcframework.mvc.wcweb;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;

import org.theonefx.wcframework.utils.FileUtils;
import org.theonefx.wcframework.utils.StringUtils;

public class UploadFile {

	private String fileName;

	private String contentType;
	
	private File file;
	
	private long size;

	private String ext;
	
	public UploadFile(String fileName, String contentType, File file, long size) {
		this.fileName = StringUtils.trimAllWhitespace(fileName);
		this.file = file;
		this.contentType = contentType;
		this.size = size;
		if (StringUtils.isNotBlank(fileName)) {
			ext = FileUtils.getSuffixName(fileName);
		}
	}

	public String getFileName() {
		return fileName;
	}

	public String getContentType() {
		return contentType;
	}

	public long getSize() {
		return size;
	}

	public File getFile() {
		return file;
	}

	public String getExt() {
		return ext;
	}

	@Override
	protected void finalize() throws Throwable {
		super.finalize();
		file.delete();
	}
	
	public boolean saveAs(String path) throws IOException {
		if (file == null || !file.exists()) {
			return false;
		}
		FileInputStream fis = new FileInputStream(file);
		FileOutputStream fos = new FileOutputStream(path);
		BufferedOutputStream bos = new BufferedOutputStream(fos);
		byte[] buffer = new byte[1000];
		int length = -1;
		while ((length = fis.read(buffer)) > -1) {
			bos.write(buffer, 0, length);
		}
		try {
			fis.close();
		} finally {
			bos.flush();
			bos.close();
		}
		return true;
	}
	
	public InputStream getInputStream() throws FileNotFoundException {
		if (file == null || !file.exists()) {
			return null;
		}
		FileInputStream fis = new FileInputStream(file);
		BufferedInputStream bos = new BufferedInputStream(fis);
		return bos;
	}

	public boolean exist() {
		if (file == null) {
			return false;
		}
		if (!file.exists()) {
			return false;
		}
		return true;
	}
}