com.google.cloud.examples.storage.snippets

Class BlobSnippets

java.lang.Object

com.google.cloud.examples.storage.snippets.BlobSnippets

public class BlobSnippets
extends Object

This class contains a number of snippets for the Blob class.

Constructor Summary

Constructors

Constructor and Description
BlobSnippets(com.google.cloud.storage.Blob blob)

Method Summary

Methods

Modifier and Type	Method and Description
byte[]	content() Example of reading all bytes of the blob, if its generation matches the BlobInfo.generation() value, otherwise a StorageException is thrown.
com.google.cloud.storage.Blob	copyToBucket(String bucketName) Example of copying the blob to a different bucket, keeping the original name.
com.google.cloud.storage.Blob	copyToId(String bucketName, String blobName) Example of copying the blob to a different bucket with a different name.
com.google.cloud.storage.Blob	copyToStrings(String bucketName, String blobName) Example of copying the blob to a different bucket with a different name.
boolean	delete() Example of deleting the blob, if its generation matches the BlobInfo.generation() value, otherwise a StorageException is thrown.
boolean	exists() Example of checking if the blob exists.
void	reader() Example of reading the blob's content through a reader.
com.google.cloud.storage.Blob	reload() Example of getting the blob's latest information, if its generation does not match the BlobInfo.generation() value, otherwise a StorageException is thrown.
URL	signUrl() Example of creating a signed URL for the blob that is valid for 2 weeks, using the default credentials for signing the URL.
URL	signUrlWithSigner(String keyPath) Example of creating a signed URL for the blob passing the Storage.SignUrlOption.signWith(ServiceAccountSigner) option, that will be used to sign the URL.
com.google.cloud.storage.Blob	update() Example of replacing blob's metadata.
void	writer() Example of writing the blob's content through a writer.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BlobSnippets

public BlobSnippets(com.google.cloud.storage.Blob blob)

Method Detail

exists

public boolean exists()

Example of checking if the blob exists.

content

public byte[] content()

Example of reading all bytes of the blob, if its generation matches the BlobInfo.generation() value, otherwise a StorageException is thrown.

reload

public com.google.cloud.storage.Blob reload()

Example of getting the blob's latest information, if its generation does not match the BlobInfo.generation() value, otherwise a StorageException is thrown.

update

public com.google.cloud.storage.Blob update()

Example of replacing blob's metadata.

delete

public boolean delete()

Example of deleting the blob, if its generation matches the BlobInfo.generation() value, otherwise a StorageException is thrown.

copyToId

public com.google.cloud.storage.Blob copyToId(String bucketName,
                                     String blobName)

Example of copying the blob to a different bucket with a different name.

copyToBucket

public com.google.cloud.storage.Blob copyToBucket(String bucketName)

Example of copying the blob to a different bucket, keeping the original name.

copyToStrings

public com.google.cloud.storage.Blob copyToStrings(String bucketName,
                                          String blobName)

Example of copying the blob to a different bucket with a different name.

reader

public void reader()
            throws IOException

Example of reading the blob's content through a reader.

Throws:

IOException

writer

public void writer()
            throws IOException

Example of writing the blob's content through a writer.

Throws:

IOException

signUrl

public URL signUrl()

Example of creating a signed URL for the blob that is valid for 2 weeks, using the default credentials for signing the URL.

signUrlWithSigner

public URL signUrlWithSigner(String keyPath)
                      throws IOException

Example of creating a signed URL for the blob passing the Storage.SignUrlOption.signWith(ServiceAccountSigner) option, that will be used to sign the URL.

Throws:

IOException