gfmutil.java

来自「BPO作业管理系统DMP的插件」· Java 代码 · 共 57 行

package com.cmspad.dmp.bundles.gfm;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

import com.cmspad.dmp.DMPBundle;
import com.cmspad.dmp.DMPBundleActivator;

public class GFMUtil {
	
	public static void removeTempData(String prefix, long uid, long iid) {
		DMPBundleActivator activator = DMPBundle.getActivator(GFMActivator.ID);
		File tmpFile = activator.getDataFile(prefix + "_" + uid + "_" + iid + ".jpg");
		// 删除临时文件
		if (!tmpFile.delete()) {
			tmpFile.deleteOnExit();
		}
	}

	public static File saveTempData(String prefix, long uid, long iid, File oFile) {
		DMPBundleActivator activator = DMPBundle.getActivator(GFMActivator.ID);
		File nFile = activator.getDataFile(prefix + "_" + uid + "_" + iid + ".jpg");
		if(nFile.length() > 0){
			try {
				FileInputStream fis = new FileInputStream(oFile);
				FileOutputStream fos = new FileOutputStream(nFile);
				byte[] cache = new byte[4096];
				for(int i = fis.read(cache);i != -1;i = fis.read(cache)){
					fos.write(cache, 0, i);
				}
				fos.flush();
				fis.close();
				fos.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}else{
			if(nFile.delete()){
				oFile.renameTo(nFile);
			}
		}
		return nFile;
	}

	public static File loadTempData(String prefix, long uid, long iid) {
		DMPBundleActivator activator = DMPBundle.getActivator(GFMActivator.ID);
		File tmpFile = activator.getDataFile(prefix + "_" + uid + "_" + iid + ".jpg");
		if (tmpFile.length() > 0) {
			return tmpFile;
		}else{
			return null;
		}
	}
}