组件化功能基本完成
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laoyuyu
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/*
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* Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.arialyy.aria.util;
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import android.text.TextUtils;
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import com.arialyy.aria.core.download.DTaskWrapper;
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import com.arialyy.aria.core.download.DownloadEntity;
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import com.arialyy.aria.core.wrapper.AbsTaskWrapper;
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import com.arialyy.aria.core.upload.UTaskWrapper;
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import com.arialyy.aria.core.upload.UploadEntity;
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import com.arialyy.aria.exception.ParamException;
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import java.io.File;
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import java.util.List;
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/**
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* Created by Lyy on 2016/9/23.
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* 检查帮助类
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*/
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public class CheckUtil {
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private static final String TAG = "CheckUtil";
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/**
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* 检查ftp上传路径，如果ftp上传路径为空，抛出空指针异常
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* 如果ftp上传路径不是以"ftp"或"sftp"，抛出参数异常
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*
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* @param ftpUrl ftp上传路径
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*/
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public static void checkFtpUploadUrl(String ftpUrl) {
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if (TextUtils.isEmpty(ftpUrl)) {
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throw new ParamException("ftp上传路径为空");
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} else if (!ftpUrl.startsWith("ftp") || !ftpUrl.startsWith("sftp")) {
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throw new ParamException("ftp上传路径无效");
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}
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}
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/**
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* 判空
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*/
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public static void checkNull(Object obj) {
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if (obj == null) throw new IllegalArgumentException("不能传入空对象");
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}
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/**
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* 检查分页数据，需要查询的页数，从1开始，如果page小于1 或 num 小于1，则抛出{@link NullPointerException}
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*
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* @param page 从1 开始
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* @param num 每页数量
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*/
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public static void checkPageParams(int page, int num) {
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if (page < 1 || num < 1) throw new NullPointerException("page和num不能小于1");
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}
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/**
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* 检查下载实体
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*/
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public static void checkDownloadEntity(DownloadEntity entity) {
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checkUrlInvalidThrow(entity.getUrl());
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entity.setUrl(entity.getUrl());
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checkPath(entity.getDownloadPath());
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}
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/**
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* 检测下载链接是否为null
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*/
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public static void checkPath(String path) {
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if (TextUtils.isEmpty(path)) {
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throw new IllegalArgumentException("保存路径不能为null");
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}
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}
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/**
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* 检测url是否合法，如果url不合法，将抛异常
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*/
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public static void checkTaskId(long taskId) {
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if (taskId < 0) {
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throw new IllegalArgumentException("任务id不能小于0");
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}
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}
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/**
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* 检测url是否合法，如果url不合法，将抛异常
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*/
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public static void checkUrlInvalidThrow(String url) {
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if (TextUtils.isEmpty(url)) {
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throw new IllegalArgumentException("url不能为null");
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} else if (!url.startsWith("http") && !url.startsWith("ftp") && !url.startsWith("sftp")) {
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throw new IllegalArgumentException("url错误");
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}
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int index = url.indexOf("://");
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if (index == -1) {
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throw new IllegalArgumentException("url不合法");
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}
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}
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/**
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* 检测url是否合法，如果url不合法，将抛出{@link IllegalArgumentException}异常
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*/
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public static void checkUrl(String url) {
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if (TextUtils.isEmpty(url)) {
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throw new NullPointerException("url为空");
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} else if (!url.startsWith("http") && !url.startsWith("ftp") && !url.startsWith("sftp")) {
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throw new IllegalArgumentException(String.format("url【%s】错误", url));
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}
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int index = url.indexOf("://");
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if (index == -1) {
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throw new IllegalArgumentException(String.format("url【%s】不合法", url));
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}
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}
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/**
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* 检测url是否合法
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*
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* @return {@code true} 合法，{@code false} 非法
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*/
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public static boolean checkUrlNotThrow(String url) {
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if (TextUtils.isEmpty(url)) {
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ALog.e(TAG, "url不能为null");
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return false;
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} else if (!url.startsWith("http") && !url.startsWith("ftp") && !url.startsWith("sftp")) {
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ALog.e(TAG, "url【" + url + "】错误");
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return false;
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}
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int index = url.indexOf("://");
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if (index == -1) {
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ALog.e(TAG, "url【" + url + "】不合法");
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}
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return true;
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}
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/**
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* 检测下载链接组是否为null
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*/
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public static void checkDownloadUrls(List<String> urls) {
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if (urls == null || urls.isEmpty()) {
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throw new IllegalArgumentException("链接组不能为null");
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}
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}
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/**
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* 检查下载任务组保存路径
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*/
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public static void checkDownloadPaths(List<String> paths) {
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if (paths == null || paths.isEmpty()) {
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throw new IllegalArgumentException("链接保存路径不能为null");
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}
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}
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/**
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* 检测上传地址是否为null
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*/
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public static void checkUploadPath(String uploadPath) {
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if (TextUtils.isEmpty(uploadPath)) {
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throw new IllegalArgumentException("上传地址不能为null");
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}
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File file = new File(uploadPath);
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if (!file.exists()) {
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throw new IllegalArgumentException("上传文件不存在");
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}
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}
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/**
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* 检查任务实体
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*/
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public static void checkTaskEntity(AbsTaskWrapper entity) {
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if (entity instanceof DTaskWrapper) {
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checkDownloadTaskEntity(((DTaskWrapper) entity).getEntity());
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} else if (entity instanceof UTaskWrapper) {
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checkUploadTaskEntity(((UTaskWrapper) entity).getEntity());
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}
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}
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/**
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* 检查命令实体
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*
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* @param checkType 删除命令和停止命令不需要检查下载链接和保存路径
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* @return {@code false}实体无效
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*/
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public static boolean checkCmdEntity(AbsTaskWrapper entity, boolean checkType) {
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boolean b = false;
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if (entity instanceof DTaskWrapper) {
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DownloadEntity entity1 = ((DTaskWrapper) entity).getEntity();
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if (entity1 == null) {
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ALog.e(TAG, "下载实体不能为空");
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} else if (checkType && TextUtils.isEmpty(entity1.getUrl())) {
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ALog.e(TAG, "下载链接不能为空");
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} else if (checkType && TextUtils.isEmpty(entity1.getDownloadPath())) {
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ALog.e(TAG, "保存路径不能为空");
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} else {
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b = true;
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}
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} else if (entity instanceof UTaskWrapper) {
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UploadEntity entity1 = ((UTaskWrapper) entity).getEntity();
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if (entity1 == null) {
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ALog.e(TAG, "上传实体不能为空");
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} else if (TextUtils.isEmpty(entity1.getFilePath())) {
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ALog.e(TAG, "上传文件路径不能为空");
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} else {
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b = true;
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}
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}
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return b;
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}
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/**
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* 检查上传实体是否合法
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*/
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private static void checkUploadTaskEntity(UploadEntity entity) {
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if (entity == null) {
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throw new NullPointerException("上传实体不能为空");
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} else if (TextUtils.isEmpty(entity.getFilePath())) {
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throw new IllegalArgumentException("上传文件路径不能为空");
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} else if (TextUtils.isEmpty(entity.getFileName())) {
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throw new IllegalArgumentException("上传文件名不能为空");
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}
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}
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/**
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* 检测下载实体是否合法
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* 合法(true)
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*
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* @param entity 下载实体
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*/
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private static void checkDownloadTaskEntity(DownloadEntity entity) {
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if (entity == null) {
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throw new NullPointerException("下载实体不能为空");
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} else if (TextUtils.isEmpty(entity.getUrl())) {
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throw new IllegalArgumentException("下载链接不能为空");
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} else if (TextUtils.isEmpty(entity.getFileName())) {
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throw new NullPointerException("文件名不能为null");
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} else if (TextUtils.isEmpty(entity.getDownloadPath())) {
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throw new NullPointerException("文件保存路径不能为null");
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}
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}
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}
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