Object Storage Service:Aralık indirme (OSS SDK for Java 1.0)

import com.aliyun.oss.*;
import com.aliyun.oss.common.auth.*;
import com.aliyun.oss.common.comm.SignVersion;
import com.aliyun.oss.model.GetObjectRequest;
import com.aliyun.oss.model.OSSObject;
import java.io.InputStream;

public class Demo {
    public static void main(String[] args) throws Exception {
        // In this example, the endpoint of the China (Hangzhou) region is used. Specify your actual endpoint. 
        String endpoint = "https://oss-cn-hangzhou.aliyuncs.com";
        // Obtain access credentials from environment variables. Before you run the sample code, make sure that the OSS_ACCESS_KEY_ID and OSS_ACCESS_KEY_SECRET environment variables are configured.
        EnvironmentVariableCredentialsProvider credentialsProvider = CredentialsProviderFactory.newEnvironmentVariableCredentialsProvider();
        // Specify the name of the bucket. Example: examplebucket. 
        String bucketName = "examplebucket";
        // Specify the full path of the object. Example: exampledir/exampleobject.txt. Do not include the bucket name in the full path. 
        String objectName = "exampledir/exampleobject.txt";
        // Specify the region in which the bucket is located. For example, if the bucket is located in the China (Hangzhou) region, set the region to cn-hangzhou.
        String region = "cn-hangzhou";

        // Create an OSSClient instance. 
        // Call the shutdown method to release resources when the OSSClient is no longer in use.
        ClientBuilderConfiguration clientBuilderConfiguration = new ClientBuilderConfiguration();
        clientBuilderConfiguration.setSignatureVersion(SignVersion.V4);        
        OSS ossClient = OSSClientBuilder.create()
        .endpoint(endpoint)
        .credentialsProvider(credentialsProvider)
        .clientConfiguration(clientBuilderConfiguration)
        .region(region)               
        .build();
        
        InputStream in = null;
        try {
            GetObjectRequest getObjectRequest = new GetObjectRequest(bucketName, objectName);
            // For an object whose size is 1,000 bytes, the valid range is from byte 0 to byte 999. 
            // Query the data that is within the range of byte 0 to byte 999, which includes a total of 1,000 bytes. If the specified range is invalid, the entire object is downloaded. For example, if the specified range includes a negative number or the specified value is greater than the object size, all content of the object is downloaded. 
            getObjectRequest.setRange(0, 999);

            // Start range download. 
            OSSObject ossObject = ossClient.getObject(getObjectRequest);

            // Read data. 
            byte[] buf = new byte[1024];
            in = ossObject.getObjectContent();
            for (int n = 0; n != -1; ) {
                n = in.read(buf, 0, buf.length);
            }
            ossObject.close();
        } catch (OSSException oe) {
            System.out.println("Caught an OSSException, which means your request made it to OSS, "
                    + "but was rejected with an error response for some reason.");
            System.out.println("Error Message:" + oe.getErrorMessage());
            System.out.println("Error Code:" + oe.getErrorCode());
            System.out.println("Request ID:" + oe.getRequestId());
            System.out.println("Host ID:" + oe.getHostId());
        } catch (ClientException ce) {
            System.out.println("Caught an ClientException, which means the client encountered "
                    + "a serious internal problem while trying to communicate with OSS, "
                    + "such as not being able to access the network.");
            System.out.println("Error Message:" + ce.getMessage());
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
            // You must close the obtained stream after the data is read. Otherwise, connection leaks may occur. Consequently, no connections are available and an exception occurs. 
            if (in != null) {
                in.close();
            }
        }
    }
}            

byte[] buf = new byte[1024];
InputStream in = ossObject.getObjectContent();
for (int n = 0; n != -1; ) {
    n = in.read(buf, 0, buf.length);
}
in.close();

import com.aliyun.oss.*;
import com.aliyun.oss.common.auth.*;
import com.aliyun.oss.common.comm.SignVersion;
import com.aliyun.oss.model.GetObjectRequest;
import com.aliyun.oss.model.OSSObject;

public class Demo {

    public static void main(String[] args) throws Exception {
        // In this example, the endpoint of the China (Hangzhou) region is used. Specify your actual endpoint. 
        String endpoint = "https://oss-cn-hangzhou.aliyuncs.com";
        // Obtain access credentials from environment variables. Before you run the sample code, make sure that the OSS_ACCESS_KEY_ID and OSS_ACCESS_KEY_SECRET environment variables are configured. 
        EnvironmentVariableCredentialsProvider credentialsProvider = CredentialsProviderFactory.newEnvironmentVariableCredentialsProvider();
        // Specify the name of the bucket. Example: examplebucket. 
        String bucketName = "examplebucket";
        // Specify the full path of the object. Example: exampledir/exampleobject.txt. Do not include the bucket name in the full path. 
        String objectName = "exampledir/exampleobject.txt";
        // Specify the region in which the bucket is located. For example, if your bucket is located in the China (Hangzhou) region, set the region to cn-hangzhou.
        String region = "cn-hangzhou";

        // Create an OSSClient instance. 
        // Call the shutdown method to release resources when the OSSClient is no longer in use.
        ClientBuilderConfiguration clientBuilderConfiguration = new ClientBuilderConfiguration();
        // Explicitly declare the use of the V4 signature algorithm.
        clientBuilderConfiguration.setSignatureVersion(SignVersion.V4);
        OSS ossClient = OSSClientBuilder.create()
                .endpoint(endpoint)
                .credentialsProvider(credentialsProvider)
                .region(region)
                .build();

        try {
            // If the value at the end of the range is invalid, OSS returns HTTP status code 206 and the data that is within the range of byte 500 to byte 999. 
            GetObjectRequest getObjectRequest = new GetObjectRequest(bucketName, objectName);
            getObjectRequest.setRange(500, 2000);
            getObjectRequest.addHeader("x-oss-range-behavior", "standard");
            OSSObject ossObject = ossClient.getObject(getObjectRequest);
            ossObject.close();

            System.out.println("standard get " + "500~2000 "+ "statusCode:"  + ossObject.getResponse().getStatusCode());
            System.out.println("standard get " + "500~2000 " + "contentLength:" + ossObject.getResponse().getContentLength());

            // If the value at the start of the range is invalid, exceptions are returned for the following code. OSS returns HTTP status code 416 and the InvalidRange error code. 
            getObjectRequest = new GetObjectRequest(bucketName, objectName);
            getObjectRequest.setRange(1000, 2000);
            getObjectRequest.addHeader("x-oss-range-behavior", "standard");
            OSSObject ossObject2 = ossClient.getObject(getObjectRequest);
            ossObject2.close();
        } catch (OSSException oe) {
            System.out.println("Caught an OSSException, which means your request made it to OSS, "
                    + "but was rejected with an error response for some reason.");
            System.out.println("Error Message:" + oe.getErrorMessage());
            System.out.println("Error Code:" + oe.getErrorCode());
            System.out.println("Request ID:" + oe.getRequestId());
            System.out.println("Host ID:" + oe.getHostId());
        } catch (ClientException ce) {
            System.out.println("Caught an ClientException, which means the client encountered "
                    + "a serious internal problem while trying to communicate with OSS, "
                    + "such as not being able to access the network.");
            System.out.println("Error Message:" + ce.getMessage());
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
    }
}