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dcs-sdk-java-master/app/src/main/java/com/baidu/duer/dcs/util/FileUtil.java@45:2aa9f933c8d2, 2017-07-18 (annotated)

Committer:
TMBOY
Date:
Tue Jul 18 16:34:48 2017 +0800
Revision:
45:2aa9f933c8d2
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
TMBOY 45:2aa9f933c8d2 1 /*
TMBOY 45:2aa9f933c8d2 2 * Copyright (c) 2017 Baidu, Inc. All Rights Reserved.
TMBOY 45:2aa9f933c8d2 3 *
TMBOY 45:2aa9f933c8d2 4 * Licensed under the Apache License, Version 2.0 (the "License");
TMBOY 45:2aa9f933c8d2 5 * you may not use this file except in compliance with the License.
TMBOY 45:2aa9f933c8d2 6 * You may obtain a copy of the License at
TMBOY 45:2aa9f933c8d2 7 *
TMBOY 45:2aa9f933c8d2 8 * http://www.apache.org/licenses/LICENSE-2.0
TMBOY 45:2aa9f933c8d2 9 *
TMBOY 45:2aa9f933c8d2 10 * Unless required by applicable law or agreed to in writing, software
TMBOY 45:2aa9f933c8d2 11 * distributed under the License is distributed on an "AS IS" BASIS,
TMBOY 45:2aa9f933c8d2 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
TMBOY 45:2aa9f933c8d2 13 * See the License for the specific language governing permissions and
TMBOY 45:2aa9f933c8d2 14 * limitations under the License.
TMBOY 45:2aa9f933c8d2 15 */
TMBOY 45:2aa9f933c8d2 16 package com.baidu.duer.dcs.util;
TMBOY 45:2aa9f933c8d2 17
TMBOY 45:2aa9f933c8d2 18 import android.os.Environment;
TMBOY 45:2aa9f933c8d2 19 import android.text.TextUtils;
TMBOY 45:2aa9f933c8d2 20
TMBOY 45:2aa9f933c8d2 21 import java.io.BufferedWriter;
TMBOY 45:2aa9f933c8d2 22 import java.io.File;
TMBOY 45:2aa9f933c8d2 23 import java.io.FileOutputStream;
TMBOY 45:2aa9f933c8d2 24 import java.io.IOException;
TMBOY 45:2aa9f933c8d2 25 import java.io.OutputStreamWriter;
TMBOY 45:2aa9f933c8d2 26
TMBOY 45:2aa9f933c8d2 27 /**
TMBOY 45:2aa9f933c8d2 28 * FileUtil
TMBOY 45:2aa9f933c8d2 29 * <p>
TMBOY 45:2aa9f933c8d2 30 * Created by guxiuzhong@baidu.com on 2017/5/31.
TMBOY 45:2aa9f933c8d2 31 */
TMBOY 45:2aa9f933c8d2 32 public class FileUtil {
TMBOY 45:2aa9f933c8d2 33 public static final String TEMP_POSTFIX = ".download";
TMBOY 45:2aa9f933c8d2 34 private static final String LOG_FILE = "LogAll.txt";
TMBOY 45:2aa9f933c8d2 35 private static final String APP_DIR = "/DCS";
TMBOY 45:2aa9f933c8d2 36 private static final String SPEAK = APP_DIR + "/Speak";
TMBOY 45:2aa9f933c8d2 37 private static final String ALERT = APP_DIR + "/Alert";
TMBOY 45:2aa9f933c8d2 38 private static final String ALARM_FILE = "alarms.json";
TMBOY 45:2aa9f933c8d2 39
TMBOY 45:2aa9f933c8d2 40 private static String getSpeakDirPath() {
TMBOY 45:2aa9f933c8d2 41 String dirPath = "";
TMBOY 45:2aa9f933c8d2 42 if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
TMBOY 45:2aa9f933c8d2 43 dirPath = Environment.getExternalStorageDirectory().getAbsolutePath() + SPEAK;
TMBOY 45:2aa9f933c8d2 44 File dir = new File(dirPath);
TMBOY 45:2aa9f933c8d2 45 if (!dir.exists()) {
TMBOY 45:2aa9f933c8d2 46 dir.mkdirs();
TMBOY 45:2aa9f933c8d2 47 }
TMBOY 45:2aa9f933c8d2 48 }
TMBOY 45:2aa9f933c8d2 49 return dirPath;
TMBOY 45:2aa9f933c8d2 50 }
TMBOY 45:2aa9f933c8d2 51
TMBOY 45:2aa9f933c8d2 52 private static String getAlertDirPath() {
TMBOY 45:2aa9f933c8d2 53 String dirPath = "";
TMBOY 45:2aa9f933c8d2 54 if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
TMBOY 45:2aa9f933c8d2 55 dirPath = Environment.getExternalStorageDirectory().getAbsolutePath() + ALERT;
TMBOY 45:2aa9f933c8d2 56 File dir = new File(dirPath);
TMBOY 45:2aa9f933c8d2 57 if (!dir.exists()) {
TMBOY 45:2aa9f933c8d2 58 dir.mkdirs();
TMBOY 45:2aa9f933c8d2 59 }
TMBOY 45:2aa9f933c8d2 60 }
TMBOY 45:2aa9f933c8d2 61 return dirPath;
TMBOY 45:2aa9f933c8d2 62 }
TMBOY 45:2aa9f933c8d2 63
TMBOY 45:2aa9f933c8d2 64 public static File getSpeakFile() {
TMBOY 45:2aa9f933c8d2 65 String dirPath = getSpeakDirPath();
TMBOY 45:2aa9f933c8d2 66 if (TextUtils.isEmpty(dirPath)) {
TMBOY 45:2aa9f933c8d2 67 return null;
TMBOY 45:2aa9f933c8d2 68 }
TMBOY 45:2aa9f933c8d2 69 return new File(dirPath,
TMBOY 45:2aa9f933c8d2 70 "dcs_" + System.currentTimeMillis() + ".mp3" + TEMP_POSTFIX);
TMBOY 45:2aa9f933c8d2 71 }
TMBOY 45:2aa9f933c8d2 72
TMBOY 45:2aa9f933c8d2 73 public static File getAlarmFile() {
TMBOY 45:2aa9f933c8d2 74 String dirPath = getAlertDirPath();
TMBOY 45:2aa9f933c8d2 75 if (TextUtils.isEmpty(dirPath)) {
TMBOY 45:2aa9f933c8d2 76 return null;
TMBOY 45:2aa9f933c8d2 77 }
TMBOY 45:2aa9f933c8d2 78 return new File(dirPath, ALARM_FILE);
TMBOY 45:2aa9f933c8d2 79 }
TMBOY 45:2aa9f933c8d2 80
TMBOY 45:2aa9f933c8d2 81 public static String getLogFilePath() {
TMBOY 45:2aa9f933c8d2 82 return Environment.getExternalStorageDirectory().getAbsolutePath()
TMBOY 45:2aa9f933c8d2 83 + APP_DIR + File.separator + LOG_FILE;
TMBOY 45:2aa9f933c8d2 84 }
TMBOY 45:2aa9f933c8d2 85
TMBOY 45:2aa9f933c8d2 86 /**
TMBOY 45:2aa9f933c8d2 87 * 日志追加文件
TMBOY 45:2aa9f933c8d2 88 *
TMBOY 45:2aa9f933c8d2 89 * @param content 追加的内容
TMBOY 45:2aa9f933c8d2 90 */
TMBOY 45:2aa9f933c8d2 91 public static void appendStrToFile(String content) {
TMBOY 45:2aa9f933c8d2 92 File file = new File(getLogFilePath());
TMBOY 45:2aa9f933c8d2 93 if (!file.isFile()) {
TMBOY 45:2aa9f933c8d2 94 file.delete();
TMBOY 45:2aa9f933c8d2 95 }
TMBOY 45:2aa9f933c8d2 96 if (!file.exists()) {
TMBOY 45:2aa9f933c8d2 97 try {
TMBOY 45:2aa9f933c8d2 98 file.createNewFile();
TMBOY 45:2aa9f933c8d2 99 } catch (IOException e) {
TMBOY 45:2aa9f933c8d2 100 e.printStackTrace();
TMBOY 45:2aa9f933c8d2 101 }
TMBOY 45:2aa9f933c8d2 102 }
TMBOY 45:2aa9f933c8d2 103
TMBOY 45:2aa9f933c8d2 104 BufferedWriter out = null;
TMBOY 45:2aa9f933c8d2 105 try {
TMBOY 45:2aa9f933c8d2 106 out = new BufferedWriter(new OutputStreamWriter(
TMBOY 45:2aa9f933c8d2 107 new FileOutputStream(file, true)));
TMBOY 45:2aa9f933c8d2 108 out.write(content);
TMBOY 45:2aa9f933c8d2 109 out.flush();
TMBOY 45:2aa9f933c8d2 110 } catch (Exception e) {
TMBOY 45:2aa9f933c8d2 111 e.printStackTrace();
TMBOY 45:2aa9f933c8d2 112 } finally {
TMBOY 45:2aa9f933c8d2 113 try {
TMBOY 45:2aa9f933c8d2 114 out.close();
TMBOY 45:2aa9f933c8d2 115 } catch (IOException e) {
TMBOY 45:2aa9f933c8d2 116 e.printStackTrace();
TMBOY 45:2aa9f933c8d2 117 }
TMBOY 45:2aa9f933c8d2 118 }
TMBOY 45:2aa9f933c8d2 119 }
TMBOY 45:2aa9f933c8d2 120 }