From 3a5f09c61a87adb8dba2cc4a5366893886ba1c1d Mon Sep 17 00:00:00 2001 From: dupengyue <dupengyue@454eff88-639b-444f-9e54-f578c98de674> Date: 星期四, 20 七月 2017 17:31:40 +0800 Subject: [PATCH] 接口初步完成 --- VisitFace/DemoForBsk/app/src/main/java/cn/com/basic/face/util/FileUtil.java | 62 ++++++++++++++++++++++++++++++ 1 files changed, 61 insertions(+), 1 deletions(-) diff --git a/VisitFace/DemoForBsk/app/src/main/java/cn/com/basic/face/util/FileUtil.java b/VisitFace/DemoForBsk/app/src/main/java/cn/com/basic/face/util/FileUtil.java index df47076..822b513 100644 --- a/VisitFace/DemoForBsk/app/src/main/java/cn/com/basic/face/util/FileUtil.java +++ b/VisitFace/DemoForBsk/app/src/main/java/cn/com/basic/face/util/FileUtil.java @@ -3,6 +3,8 @@ import java.io.BufferedOutputStream; import java.io.File; import java.io.FileOutputStream; +import java.io.IOException; +import java.io.RandomAccessFile; import cn.com.basic.face.base.MainActivity; @@ -11,6 +13,19 @@ public static File writeToFile(String fileName, byte[] fileBytes) { try { + return writeToFile(fileName, fileBytes, 0, fileBytes.length); + }catch (Exception e) { + e.printStackTrace(); + } + return null; + } + + + public static File writeToFile(String fileName, byte[] fileBytes, int offset, int size) { + try { + if (fileBytes == null) { + fileBytes = new byte[]{}; + } String dir = MainActivity.getInstance().getFilesDir().getAbsolutePath(); File file = new File(dir, fileName); @@ -19,7 +34,7 @@ } file.createNewFile(); BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(new File(dir, fileName))); - bos.write(fileBytes); + bos.write(fileBytes, offset, size); bos.flush(); bos.close(); return new File(dir, fileName); @@ -29,4 +44,49 @@ return null; } + public static File getFile(String shortFileName) { + String dir = MainActivity.getInstance().getFilesDir().getAbsolutePath(); + return new File(dir, shortFileName); + } + + + public static byte[] readFile(File file) { + // Open file + RandomAccessFile f = null; + try { + f = new RandomAccessFile(file, "r"); + // Get and check length + long longlength = f.length(); + int length = (int) longlength; + if (length != longlength) + throw new IOException("File size >= 2 GB"); + // Read file and return data + byte[] data = new byte[length]; + f.readFully(data); + return data; + } catch (Exception e){ + e.printStackTrace(); + } finally { + try { + f.close(); + }catch (Exception e) { + e.printStackTrace(); + } + } + return new byte[]{}; + } + + + public static void deleteFile(String fileName) { + try { + String dir = MainActivity.getInstance().getFilesDir().getAbsolutePath(); + + File file = new File(dir, fileName); + if (file.exists()) { + file.delete(); + } + }catch (Exception e) { + e.printStackTrace(); + } + } } -- Gitblit v1.8.0