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Android-Download/Aria/src/main/java/com/arialyy/aria/util/Configuration.java

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/*
* Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
*
* 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.arialyy.aria.util;
import android.util.Log;
import com.arialyy.aria.core.DownloadManager;
import java.io.File;
import java.io.IOException;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import java.util.WeakHashMap;
/**
* Created by AriaL on 2016/12/8.
* 信息配置
*/
public class Configuration {
private static final String TAG = "Configuration";
private static final String CONFIG_FILE = "/Aria/ADConfig.properties";
/**
* 当前调度器最大下载数,默认最大下载数为 “2”
*/
private static final String DOWNLOAD_NUM = "DOWNLOAD_NUM";
/**
* 失败重试次数,默认最多重试 10 次
*/
private static final String RE_TRY_NUM = "RE_TRY_NUM";
/**
* 是否打开下载广播,默认 false
*/
private static final String OPEN_BROADCAST = "OPEN_BROADCAST";
/**
* 失败重试间隔时间,默认 4000 ms
*/
private static final String RE_TRY_INTERVAL = "RE_TRY_INTERVAL";
/**
* 超时时间,默认 10000 ms
*/
private static final String DOWNLOAD_TIME_OUT = "DOWNLOAD_TIME_OUT";
public static boolean isOpenBreadCast = false;
private static Configuration INSTANCE = null;
private File mConfigFile = null;
private static final Object LOCK = new Object();
public static Configuration getInstance() {
if (INSTANCE == null) {
synchronized (LOCK) {
INSTANCE = new Configuration();
}
}
return INSTANCE;
}
private Configuration() {
mConfigFile = new File(DownloadManager.APP.getFilesDir().getPath() + CONFIG_FILE);
try {
if (!mConfigFile.exists()) {
mConfigFile.getParentFile().mkdirs();
mConfigFile.createNewFile();
init();
}else {
isOpenBreadCast = isOpenBroadcast();
}
} catch (IOException e) {
e.printStackTrace();
}
}
private void init() {
Map<String, String> config = new WeakHashMap<>();
config.put(DOWNLOAD_NUM, 2 + "");
config.put(RE_TRY_NUM, 10 + "");
config.put(OPEN_BROADCAST, false + "");
config.put(RE_TRY_INTERVAL, 4000 + "");
config.put(DOWNLOAD_TIME_OUT, 10000 + "");
saveConfig(config);
}
private void saveConfig(Map<String, String> config) {
if (config == null || config.size() == 0) {
return;
}
Properties properties = CommonUtil.loadConfig(mConfigFile);
Set<String> keys = config.keySet();
for (String key : keys) {
properties.setProperty(key, config.get(key));
}
CommonUtil.saveConfig(mConfigFile, properties);
}
private void save(String key, String value) {
Map<String, String> map = new WeakHashMap<>();
map.put(key, value);
saveConfig(map);
}
/**
* 获取下载超时时间
*
* @return 默认4000ms
*/
public int getTimeOut() {
return Integer.parseInt(CommonUtil.loadConfig(mConfigFile).getProperty(DOWNLOAD_TIME_OUT));
}
/**
* 设置重试间隔
*/
public void setTimeOut(int timeOut) {
if (timeOut < 10000) {
Log.w(TAG, "下载超时时间不能小于 10000 ms");
return;
}
save(DOWNLOAD_TIME_OUT, timeOut + "");
}
/**
* 获取失败重试间隔时间
*
* @return 默认4000ms
*/
public int getReTryInterval() {
return Integer.parseInt(CommonUtil.loadConfig(mConfigFile).getProperty(RE_TRY_INTERVAL));
}
/**
* 设置重试间隔
*/
public void setReTryInterval(int reTryInterval) {
if (reTryInterval < 4000) {
Log.w(TAG, "重试间隔不能小于4000ms");
return;
}
save(RE_TRY_INTERVAL, reTryInterval + "");
}
/**
* 获取最大下载数
*
* @return 默认返回2
*/
public int getDownloadNum() {
return Integer.parseInt(CommonUtil.loadConfig(mConfigFile).getProperty(DOWNLOAD_NUM));
}
/**
* 设置最大下载数
*/
public void setDownloadNum(int downloadNum) {
if (downloadNum < 1) {
Log.w(TAG, "最大下载数不能小于1");
return;
}
save(DOWNLOAD_NUM, downloadNum + "");
}
/**
* 获取最大重试数
*
* @return 默认返回 10
*/
public int getReTryNum() {
return Integer.parseInt(CommonUtil.loadConfig(mConfigFile).getProperty(RE_TRY_NUM));
}
/**
* 设置重试数
*/
public void setReTryNum(int reTryNum) {
if (reTryNum < 1) {
Log.w(TAG, "最大下载数不能小于1");
return;
}
save(RE_TRY_NUM, reTryNum + "");
}
/**
* 是否打开下载广播
*
* @return 默认false
*/
public boolean isOpenBroadcast() {
return Boolean.parseBoolean(CommonUtil.loadConfig(mConfigFile).getProperty(RE_TRY_NUM));
}
/**
* 设置是否打开下载广播
*/
public void setOpenBroadcast(boolean openBroadcast) {
isOpenBreadCast = openBroadcast;
save(OPEN_BROADCAST, openBroadcast + "");
}
}