本文整理汇总了Java中com.amazonaws.services.s3.AmazonS3.getObject方法的典型用法代码示例。如果您正苦于以下问题:Java AmazonS3.getObject方法的具体用法?Java AmazonS3.getObject怎么用?Java AmazonS3.getObject使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.amazonaws.services.s3.AmazonS3
的用法示例。
在下文中一共展示了AmazonS3.getObject方法的5个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: get
import com.amazonaws.services.s3.AmazonS3; //导入方法依赖的package包/类
public Object get(Object[] params) {
AmazonS3 s3Client = new AmazonS3Client(new ProfileCredentialsProvider());
try {
S3Object object = s3Client.getObject(new GetObjectRequest(bucketName, params[0].toString()));
InputStream objectData = object.getObjectContent();
byte[] bytes = IOUtils.toByteArray(is);
ByteBuffer b = ByteBuffer.wrap(bytes);
return b;
} catch (AmazonServiceException ase) {
System.out.println("Caught an AmazonServiceException, which " +
"means your request made it " +
"to Amazon S3, but was rejected with an error response" +
" for some reason.");
System.out.println("Error Message:" + ase.getMessage());
System.out.println("HTTP Status Code:" + ase.getStatusCode());
System.out.println("AWS Error Code:" + ase.getErrorCode());
System.out.println("Error Type:" + ase.getErrorType());
System.out.println("Request ID:" + ase.getRequestId());
} catch (AmazonClientException ace) {
System.out.println("Caught an AmazonClientException, which " +
"means the client encountered " +
"an internal error while trying to " +
"communicate with S3, " +
"such as not being able to access the network.");
System.out.println("Error Message: " + ace.getMessage());
}
}
示例2: getReaderFromObjectInfo
import com.amazonaws.services.s3.AmazonS3; //导入方法依赖的package包/类
public static BufferedReader getReaderFromObjectInfo(ObjectInfoSimple objectInfo) {
AmazonS3 s3Client = AmazonS3Provider.getS3Client();
S3Object object = s3Client.getObject(objectInfo.getBucket(), objectInfo.getKey());
S3ObjectInputStream objectContentRawStream = object.getObjectContent();
return new BufferedReader(new InputStreamReader(objectContentRawStream));
}
示例3: download
import com.amazonaws.services.s3.AmazonS3; //导入方法依赖的package包/类
/**
* Download an object data as a file
*
* @param remoteObjectName the name of object/key which contents should be downloaded
* @param localFileName the location and file name on the local machine, where the file will be downloaded
* @throws S3OperationException if there is an error during data transfer
*/
@PublicAtsApi
public void download( String remoteObjectName, String localFileName ) throws S3OperationException,
IllegalArgumentException {
AmazonS3 s3Client = getClient();
localFileName = IoUtils.normalizeFilePath(localFileName);
String localDirName = IoUtils.getFilePath(localFileName);
String localFileOnlyName = IoUtils.getFileName(localFileName);
File localDir = new File(localDirName);
if (localDir.exists()) {
if (localDir.isFile()) {
throw new IllegalArgumentException("Could not create file " + localFileOnlyName + " into existing file "
+ localDirName);
}
// else dir exists
} else {
LOG.debug("Creating target directory path " + localDirName);
if (!localDir.mkdirs()) {
throw new S3OperationException("Could not create local directory path '" + localDirName
+ "' for local file specified '" + localFileName + "'");
}
}
S3Object obj = s3Client.getObject(bucketName, remoteObjectName);
try (BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(new File(localFileName)));
S3ObjectInputStream s3is = obj.getObjectContent();) {
byte[] readBuffArr = new byte[4096];
int readBytes = 0;
while ( (readBytes = s3is.read(readBuffArr)) >= 0) {
bos.write(readBuffArr, 0, readBytes);
}
} catch (Exception e) {
handleExeption(e, "Error while downloading object " + remoteObjectName + " to local file " + localFileName
+ ". If error persists check your endpoint, credentials and permissions.");
}
LOG.info("S3 object '" + remoteObjectName + "; is downloaded successfully from bucket '" + bucketName
+ "' to file " + localFileName);
}
示例4: run
import com.amazonaws.services.s3.AmazonS3; //导入方法依赖的package包/类
@Override
public void run() {
super.run();
String awsCredentialsProfile = this.readStringArgument("awsProfile", "default");
String bucket = this.readStringArgument("bucket");
String objectKey = this.readStringArgument("objectKey");
String targetFilePath = this.readStringArgument("targetFile");
Boolean overwrite = this.readBooleanArgument("overwrite", false);
AmazonS3 s3Client = new AmazonS3Client(new ProfileCredentialsProvider(awsCredentialsProfile));
S3Object object = s3Client.getObject(
new GetObjectRequest(bucket, objectKey));
InputStream objectDataStream = object.getObjectContent();
if (targetFilePath != null) {
File targetFile = new File(targetFilePath);
if (!targetFile.isAbsolute()) {
targetFile = Paths.get(this.getActor().getTempDir().getAbsolutePath(), targetFilePath).toFile();
}
targetFile.getParentFile().mkdirs();
try {
if (overwrite) {
Files.copy(objectDataStream, targetFile.toPath(), StandardCopyOption.REPLACE_EXISTING);
} else {
Files.copy(objectDataStream, targetFile.toPath());
}
} catch (Exception ex) {
throw new RuntimeException(String.format(
"Failed to transfer data from the input stream into file %s",
targetFilePath), ex);
}
this.writeArgument("targetFile", targetFile.getAbsolutePath());
} else {
// TODO: Make targetFile arg optional so this branch can execute.
// Read data in memory and write it to an output value
}
}
示例5: SecureShellAuthentication
import com.amazonaws.services.s3.AmazonS3; //导入方法依赖的package包/类
public SecureShellAuthentication(Bucket bucket, AmazonS3 client) {
factory = new JschConfigSessionFactory() {
@Override
public synchronized RemoteSession getSession(URIish uri, CredentialsProvider credentialsProvider, FS fs, int tms) throws TransportException {
// Do not check for default ssh user config
fs.setUserHome(null);
return super.getSession(uri, credentialsProvider, fs, tms);
}
@Override
protected void configure(OpenSshConfig.Host host, Session session) {
session.setConfig("HashKnownHosts", "no");
if ("localhost".equalsIgnoreCase(host.getHostName())) {
session.setConfig("StrictHostKeyChecking", "no");
}
}
@Override
protected void configureJSch(JSch jsch) {
S3Object file;
file = client.getObject(bucket.getName(), ".ssh/known_hosts");
try (InputStream is = file.getObjectContent()) {
jsch.setKnownHosts(is);
} catch (IOException | JSchException e) {
throw new IllegalArgumentException("Missing known hosts file on s3: .ssh/known_hosts", e);
}
file = client.getObject(bucket.getName(), ".ssh/id_rsa");
try (InputStream is = file.getObjectContent()) {
jsch.addIdentity("git", IOUtils.toByteArray(is), null, new byte[0]);
} catch (IOException | JSchException e) {
throw new IllegalArgumentException("Missing key file on s3: .ssh/id_rsa", e);
}
}
};
}