实现ftp单文件下载

This commit is contained in:
AriaLyy
2017-07-26 15:33:06 +08:00
parent 351ec2e19e
commit f79c14ec55
18 changed files with 211 additions and 68 deletions

View File

@ -228,7 +228,7 @@ class ConfigHelper extends DefaultHandler {
}
if (num < 1) {
Log.e(TAG, "下载线程数不能小于 1");
num = 3;
num = 1;
}
if (isDownloadConfig) {
mDownloadConfig.threadNum = num;

View File

@ -16,6 +16,7 @@
package com.arialyy.aria.core.download;
import android.os.Handler;
import android.util.Log;
import com.arialyy.aria.core.AriaManager;
import com.arialyy.aria.core.inf.AbsEntity;
import com.arialyy.aria.core.inf.AbsTask;

View File

@ -58,22 +58,19 @@ public class DownloadReceiver extends AbsReceiver {
}
/**
* 加载Http下载功能
* 加载Http、https
*/
public DownloadTarget load(@NonNull String downloadUrl) {
CheckUtil.checkDownloadUrl(downloadUrl);
return new DownloadTarget(downloadUrl, targetName);
public DownloadTarget load(@NonNull String url) {
CheckUtil.checkDownloadUrl(url);
return new DownloadTarget(url, targetName);
}
/**
* 加载Ftp下载功能
*
* @param serverIp ftp服务器地址
* @param port ftp端口
* @param filePath 需要从ftp服务器上下载的文件的路径
* 加载ftp下载地址
*/
public FtpDownloadTarget load(String serverIp, String port, String filePath) {
return new FtpDownloadTarget(serverIp, port, filePath, targetName);
public FtpDownloadTarget loadFtp(@NonNull String url) {
CheckUtil.checkDownloadUrl(url);
return new FtpDownloadTarget(url, targetName);
}
/**

View File

@ -30,12 +30,13 @@ import java.io.File;
*/
public class DownloadTarget
extends AbsDownloadTarget<DownloadTarget, DownloadEntity, DownloadTaskEntity> {
protected String url;
DownloadTarget(DownloadEntity entity, String targetName) {
this(entity.getDownloadUrl(), targetName);
}
DownloadTarget(String url, String targetName) {
this.url = url;
mTargetName = targetName;
DownloadEntity entity = getEntity(url);
mTaskEntity = DbEntity.findFirst(DownloadTaskEntity.class, "key=? and isGroupTask='false'",

View File

@ -30,6 +30,11 @@ public class DownloadTaskEntity extends AbsTaskEntity<DownloadEntity> {
*/
@Ignore public String userName, userPw, account;
/**
* FTP服务器文件或文件夹路径
*/
public String remotePath;
/**
* 下载类型
* {@link AbsTaskEntity#HTTP}、{@link AbsTaskEntity#FTP}

View File

@ -21,7 +21,6 @@ import android.util.Log;
import com.arialyy.aria.core.inf.AbsTaskEntity;
import com.arialyy.aria.util.CommonUtil;
import java.io.File;
import java.nio.charset.Charset;
/**
* Created by lyy on 2016/12/5.
@ -29,23 +28,22 @@ import java.nio.charset.Charset;
*/
public class FtpDownloadTarget extends DownloadTarget {
private final String TAG = "FtpDownloadTarget";
private String serverIp, remotePath;
private int port;
/**
* @param serverIp ftp服务器地址
* @param port ftp端口号
*/
FtpDownloadTarget(String serverIp, String port, String filePath, String targetName) {
this("ftp://" + serverIp + ":" + port + "/" + filePath, targetName);
}
/**
* @param url url 为 serverIp:port/filePath
*/
private FtpDownloadTarget(String url, String targetName) {
FtpDownloadTarget(String url, String targetName) {
super(url, targetName);
String[] pp = url.split("/")[2].split(":");
this.serverIp = pp[0];
this.port = Integer.parseInt(pp[1]);
mTaskEntity.downloadType = AbsTaskEntity.FTP;
remotePath = url.substring(url.indexOf(pp[1]) + pp[1].length(), url.length());
if (TextUtils.isEmpty(remotePath)) {
throw new NullPointerException("ftp服务器地址不能为null");
}
int lastIndex = url.lastIndexOf("/");
mTaskEntity.downloadType = AbsTaskEntity.FTP;
mTargetName = targetName;
mTaskEntity.remotePath = remotePath;
mEntity.setFileName(url.substring(lastIndex + 1, url.length()));
}
@ -117,6 +115,14 @@ public class FtpDownloadTarget extends DownloadTarget {
mTaskEntity.userName = userName;
mTaskEntity.userPw = password;
mTaskEntity.account = account;
//FtpClientHelp.getInstnce().login(serverIp, port, userName, password, account);
return this;
}
///**
// * 当所有任务都完成时需要登出ftp服务器
// */
//public void logout() {
// FtpClientHelp.getInstnce().logout();
//}
}

View File

@ -16,6 +16,7 @@
package com.arialyy.aria.core.download.downloader;
import android.content.Context;
import android.text.TextUtils;
import android.util.Log;
import android.util.SparseArray;
import com.arialyy.aria.core.AriaManager;
@ -33,6 +34,8 @@ import java.util.Timer;
import java.util.TimerTask;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPReply;
/**
* Created by AriaL on 2017/7/1.
@ -416,6 +419,7 @@ class Downloader implements Runnable, IDownloadUtil {
private AbsThreadTask createThreadTask(SubThreadConfig config) {
switch (mTaskEntity.downloadType) {
case AbsTaskEntity.FTP:
config.remotePath = mTaskEntity.remotePath;
return new FtpThreadTask(mConstance, mListener, config);
case AbsTaskEntity.HTTP:
return new HttpThreadTask(mConstance, mListener, config);

View File

@ -0,0 +1,117 @@
/*
* 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.core.download.downloader;
import android.text.TextUtils;
import android.util.Log;
import com.arialyy.aria.core.AriaManager;
import java.io.IOException;
import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPReply;
/**
* Created by Aria.Lao on 2017/7/26.
*/
public class FtpClientHelp {
private final String TAG = "FtpClientHelp";
private static volatile FtpClientHelp INSTANCE = null;
private FTPClient client;
private String serverIp, user, pw, account;
private int port;
private FtpClientHelp() {
}
public static FtpClientHelp getInstnce() {
if (INSTANCE == null) {
synchronized (AriaManager.LOCK) {
INSTANCE = new FtpClientHelp();
}
}
return INSTANCE;
}
public FTPClient getClient() {
if (client == null || !client.isConnected()) {
createClient();
}
return client;
}
/**
* 登录到FTP服务器当客户端为null或客户端没有连接到FTP服务器时才会执行登录操作
*/
public void login(String serverIp, int port, String user, String pw, String account) {
this.serverIp = serverIp;
this.port = port;
this.user = user;
this.pw = pw;
this.account = account;
if (client == null || !client.isConnected()) {
createClient();
}
}
/**
* 登出
*/
public void logout() {
try {
if (client != null && client.isConnected()) {
client.logout();
}
} catch (IOException e) {
e.printStackTrace();
}
}
FTPClient createClient() {
new Thread(new Runnable() {
@Override public void run() {
client = new FTPClient();
try {
client.connect(serverIp, port);
if (!TextUtils.isEmpty(account)) {
client.login(user, pw);
} else {
client.login(user, pw, account);
}
int reply = client.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
client.disconnect();
Log.e(TAG, "无法连接到ftp服务器错误码为" + reply);
}
} catch (IOException e) {
Log.d(TAG, e.getMessage());
} finally {
synchronized (FtpClientHelp.this) {
FtpClientHelp.this.notify();
}
}
}
}).start();
synchronized (FtpClientHelp.this) {
try {
wait();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
return client;
}
}

View File

@ -51,11 +51,8 @@ class FtpFileInfoThread implements Runnable {
FTPClient client = null;
try {
client = new FTPClient();
//ip和端口
String[] temp = mEntity.getDownloadUrl().split("/");
String[] pp = temp[2].split(":");
//String dir = temp[temp.length - 2];
String fileName = temp[temp.length - 1];
String[] pp = mEntity.getDownloadUrl().split("/")[2].split(":");
String fileName = mTaskEntity.remotePath;
client.connect(pp[0], Integer.parseInt(pp[1]));
if (!TextUtils.isEmpty(mTaskEntity.account)) {
client.login(mTaskEntity.userName, mTaskEntity.userPw);

View File

@ -15,20 +15,14 @@
*/
package com.arialyy.aria.core.download.downloader;
import android.os.Handler;
import android.os.Message;
import android.text.TextUtils;
import android.util.Log;
import com.arialyy.aria.util.BufferedRandomAccessFile;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.Timer;
import java.util.TimerTask;
import org.apache.commons.net.ftp.FTP;
import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPFile;
import org.apache.commons.net.ftp.FTPReply;
/**
@ -57,12 +51,9 @@ class FtpThreadTask extends AbsThreadTask {
+ ",结束位置:"
+ mConfig.END_LOCATION
+ "");
client = new FTPClient();
//ip和端口
String[] temp = mEntity.getDownloadUrl().split("/");
String[] pp = temp[2].split(":");
//String dir = temp[temp.length - 2];
String fileName = temp[temp.length - 1];
client = new FTPClient();
client.connect(pp[0], Integer.parseInt(pp[1]));
if (!TextUtils.isEmpty(mTaskEntity.account)) {
client.login(mTaskEntity.userName, mTaskEntity.userPw);
@ -79,14 +70,14 @@ class FtpThreadTask extends AbsThreadTask {
client.enterLocalPassiveMode();
client.setFileType(FTP.BINARY_FILE_TYPE);
client.setRestartOffset(mConfig.START_LOCATION);
is = client.retrieveFileStream(fileName);
client.allocate(mBufSize);
is = client.retrieveFileStream(mConfig.remotePath);
file = new BufferedRandomAccessFile(mConfig.TEMP_FILE, "rwd", mBufSize);
file.seek(mConfig.START_LOCATION);
byte[] buffer = new byte[mBufSize];
int len;
//当前子线程的下载位置
mChildCurrentLocation = mConfig.START_LOCATION;
//TODO: 2017/7/25 隐藏问题速度太快20m/s或文件太小秒下会出现 ftp Connection reset by peer 问题
while ((len = is.read(buffer)) != -1) {
if (STATE.isCancel) break;
if (STATE.isStop) break;
@ -102,7 +93,6 @@ class FtpThreadTask extends AbsThreadTask {
}
}
if (STATE.isCancel || STATE.isStop) return;
//if (client.completePendingCommand()) {
Log.i(TAG, "任务【" + mConfig.TEMP_FILE.getName() + "】线程__" + mConfig.THREAD_ID + "__下载完毕");
writeConfig(true, 1);
STATE.COMPLETE_THREAD_NUM++;
@ -120,14 +110,13 @@ class FtpThreadTask extends AbsThreadTask {
failDownload(mChildCurrentLocation, "获取流失败", e);
} finally {
try {
if (file != null){
if (file != null) {
file.close();
}
if (is != null){
if (is != null) {
is.close();
}
if (client != null && client.isConnected()) {
//client.logout();
client.disconnect();
}
} catch (IOException e) {

View File

@ -2,6 +2,7 @@ package com.arialyy.aria.core.download.downloader;
import com.arialyy.aria.core.download.DownloadTaskEntity;
import java.io.File;
import org.apache.commons.net.ftp.FTPClient;
/**
* 子线程下载信息类
@ -21,4 +22,7 @@ class SubThreadConfig {
String CONFIG_FILE_PATH;
DownloadTaskEntity DOWNLOAD_TASK_ENTITY;
boolean IS_SUPPORT_BREAK_POINT = true;
FTPClient client;
//远程地址
String remotePath;
}