Application.java
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package com.vion;
import com.aliyun.oss.model.GetObjectRequest;
import com.aliyun.oss.model.ListObjectsRequest;
import com.aliyun.oss.model.OSSObjectSummary;
import com.aliyun.oss.model.ObjectListing;
import com.vion.entity.OssClientEntity;
import com.vion.utils.OssFileUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.scheduling.concurrent.DefaultManagedAwareThreadFactory;
import javax.annotation.Resource;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
@ComponentScan(value = "com.vion")
@SpringBootApplication(exclude = {DataSourceAutoConfiguration.class})
@Slf4j
public class Application implements CommandLineRunner {
public static final String PICTURE = "picture/";
public static final String FEATURE = "feature/";
public static final String POSTFIX = ".feature";
public static void main(String[] args) {
try {
SpringApplication.run(Application.class, args);
} catch (Exception e) {
e.printStackTrace();
}
}
@Resource
private OssClientEntity ossClientEntity;
@Value("${prefix}")
private String prefix;
@Value(("${serialnumStr:}"))
private String serialnumStr;
@Value("${file_path:}")
private String filePath;
@Override
public void run(String... args) throws Exception {
ThreadPoolExecutor threadPool = new ThreadPoolExecutor(50, 100, 10, TimeUnit.MINUTES, new LinkedBlockingQueue<>(),new DefaultManagedAwareThreadFactory());
if (!"".equals(filePath)) {
try {
File file = new File("d:\\" + filePath.replace("\\", "/"));
ossClientEntity.getOssClient().getObject(new GetObjectRequest(ossClientEntity.getBucket(), filePath), file);
} catch (Exception e) {
System.exit(0);
}
System.exit(0);
}
List<String> filePathList = new ArrayList<>();
if (!serialnumStr.isEmpty()) {
String[] serialnums = serialnumStr.split(",");
for (String serialnum : serialnums) {
filePathList.add(prefix + serialnum + "/");
}
} else {
filePathList.add(prefix);
}
for (String filePath : filePathList) {
/*下载文件*/
OssFileUtil ossFileUtil = new OssFileUtil();
ObjectListing objectListing = null;
do {
ListObjectsRequest request = ossFileUtil.getFilesInPrefix(ossClientEntity.getBucket(), filePath, ossClientEntity.getOssClient(), 500, false);
if (objectListing != null) {
request.setMarker(objectListing.getNextMarker());
}
objectListing = ossClientEntity.getOssClient().listObjects(request);
objectListing.getObjectSummaries().forEach(summery -> threadPool.execute(() -> {download(summery);})
);
} while (objectListing.isTruncated());
}
}
private void download(OSSObjectSummary summery) {
try {
File f = new File("D:\\" + summery.getKey().replace("\\", "/"));
if (!f.getParentFile().exists()) {
synchronized (this) {
if (!f.getParentFile().exists()) {
f.getParentFile().mkdirs();
}
}
}
if (!f.exists()) {
System.out.println("正在下载" + summery.getKey());
ossClientEntity.getOssClient().getObject(new GetObjectRequest(ossClientEntity.getBucket(), summery.getKey()), f);
} else {
System.out.println(summery.getKey() + "已存在，跳过-------------");
}
} catch (Exception e) {
e.printStackTrace();
}
}
}