Diff: dcs-sdk-java-master/app/src/main/java/com/baidu/duer/dcs/util/FileUtil.java

Revision:

45:2aa9f933c8d2

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dcs-sdk-java-master/app/src/main/java/com/baidu/duer/dcs/util/FileUtil.java	Tue Jul 18 16:34:48 2017 +0800
@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 2017 Baidu, Inc. All Rights Reserved.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.baidu.duer.dcs.util;
+
+import android.os.Environment;
+import android.text.TextUtils;
+
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStreamWriter;
+
+/**
+ * FileUtil
+ * <p>
+ * Created by guxiuzhong@baidu.com on 2017/5/31.
+ */
+public class FileUtil {
+    public static final String TEMP_POSTFIX = ".download";
+    private static final String LOG_FILE = "LogAll.txt";
+    private static final String APP_DIR = "/DCS";
+    private static final String SPEAK = APP_DIR + "/Speak";
+    private static final String ALERT = APP_DIR + "/Alert";
+    private static final String ALARM_FILE = "alarms.json";
+
+    private static String getSpeakDirPath() {
+        String dirPath = "";
+        if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
+            dirPath = Environment.getExternalStorageDirectory().getAbsolutePath() + SPEAK;
+            File dir = new File(dirPath);
+            if (!dir.exists()) {
+                dir.mkdirs();
+            }
+        }
+        return dirPath;
+    }
+
+    private static String getAlertDirPath() {
+        String dirPath = "";
+        if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
+            dirPath = Environment.getExternalStorageDirectory().getAbsolutePath() + ALERT;
+            File dir = new File(dirPath);
+            if (!dir.exists()) {
+                dir.mkdirs();
+            }
+        }
+        return dirPath;
+    }
+
+    public static File getSpeakFile() {
+        String dirPath = getSpeakDirPath();
+        if (TextUtils.isEmpty(dirPath)) {
+            return null;
+        }
+        return new File(dirPath,
+                "dcs_" + System.currentTimeMillis() + ".mp3" + TEMP_POSTFIX);
+    }
+
+    public static File getAlarmFile() {
+        String dirPath = getAlertDirPath();
+        if (TextUtils.isEmpty(dirPath)) {
+            return null;
+        }
+        return new File(dirPath, ALARM_FILE);
+    }
+
+    public static String getLogFilePath() {
+        return Environment.getExternalStorageDirectory().getAbsolutePath()
+                + APP_DIR + File.separator + LOG_FILE;
+    }
+
+    /**
+     * 日志追加文件
+     *
+     * @param content 追加的内容
+     */
+    public static void appendStrToFile(String content) {
+        File file = new File(getLogFilePath());
+        if (!file.isFile()) {
+            file.delete();
+        }
+        if (!file.exists()) {
+            try {
+                file.createNewFile();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+
+        BufferedWriter out = null;
+        try {
+            out = new BufferedWriter(new OutputStreamWriter(
+                    new FileOutputStream(file, true)));
+            out.write(content);
+            out.flush();
+        } catch (Exception e) {
+            e.printStackTrace();
+        } finally {
+            try {
+                out.close();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+}
\ No newline at end of file