IPWorks Cloud 2020 Java Edition

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GoogleStorage Class

Properties   Methods   Events   Configuration Settings   Errors  

The GoogleStorage class implements the Google Storage for Developers API.

Syntax

ipworkscloud.Googlestorage

Remarks

GoogleStorage allows you to easily manage storing and retrieving files using the Google Storage for Developers service.

Before using the class you must have a valid Google Storage account.

Once you have a valid Google Storage account you can start creating buckets in your account using CreateBucket. The buckets are place holders for your objects allowing you to access them by http URLs. You can then add objects to any of your buckets using CreateObject.

There are other methods such as ListBuckets, ListObjects, GetObject, DeleteObject etc. that further enable you to manage your Google Storage data store.

This class supports authentication via OAuth 2.0. First, perform OAuth authentication using the OAuth class or a separate process. Once complete you should have an authorization string which looks like:

Bearer ya29.AHES6ZSZEJzATdZYjeihDn5W-VrXSsxEZu5p0pclxGdKKQ
Assign this value to the Authorization property before attempting any operations. Consult the documentation for the service for more information about supported scope values and more details on OAuth authentication.

When authenticating via OAuth the ProjectId property is also required.

Alternatively, this service also supports authenticating by setting the AccessKey and SecretKey configuration settings.

Property List


The following is the full list of the properties of the class with short descriptions. Click on the links for further details.

AccessPolicyThe canned access policy to apply to a bucket or object.
AuthorizationOAuth 2.0 Authorization Token.
BucketSelects a bucket.
BucketsA collection of buckets.
ContentDispositionContent disposition to send for an object.
ContentTypeContent type to send for an object.
EncryptionAlgorithmThe encryption algorithm.
EncryptionPasswordThe encryption password.
FirewallA set of properties related to firewall access.
FollowRedirectsDetermines what happens when the server issues a redirect.
IdleThe current status of the class.
LocalFileThe location of the local file.
LocalHostThe name of the local host or user-assigned IP interface through which connections are initiated or accepted.
MetadataA collection of metadata items.
ObjectDataThe data that was downloaded, or that should be uploaded.
ObjectDelimiterThe delimiter string to use when listing objects.
ObjectMarkerA marker indicating what page of objects to return next.
ObjectPrefixA prefix used to restrict the results returned when listing objects.
ObjectsA collection of objects.
OtherHeadersOther headers as determined by the user (optional).
OverwriteDetermines if local files are overwritten.
ParsedHeadersCollection of headers returned from the last request.
ProjectIdThe Id of the project.
ProxyA set of properties related to proxy access.
QueryParamsAdditional query parameters to be included in the request.
RangeThe range of bytes to request.
RegionThe location the class will create buckets in.
SSLAcceptServerCertInstructs the class to unconditionally accept the server certificate that matches the supplied certificate.
SSLCertThe certificate to be used during SSL negotiation.
SSLServerCertThe server certificate for the last established connection.
StartByteThe byte offset from which to resume the download.
TimeoutA timeout for the class.
UseSSLWhether to use SSL/TLS when connecting.
UseVirtualHostingDetermines which style request to use.
VersionIdThe object version to make requests against.
VersioningEnabledControls whether versioning is enabled for the currently selected bucket.
VersionMarkerA marker indicating what page of object versions to return next.

Method List


The following is the full list of the methods of the class with short descriptions. Click on the links for further details.

AddMetadataAdds a metadata item to the Metadata properties.
AddQueryParamAdds a query parameter to the QueryParams properties.
BucketExistsChecks whether the bucket exists.
ComposeObjectsCreates a composed object using multiple objects already on the server.
ConfigSets or retrieves a configuration setting.
CopyObjectCopies an object.
CreateBucketCreates a new bucket.
CreateObjectCreates a new object in the currently selected bucket.
DeleteBucketDeletes a bucket.
DeleteObjectDeletes an object.
DoEventsProcesses events from the internal message queue.
GetBucketLocationGets a bucket's location.
GetObjectDownloads an object.
GetObjectInfoGets an object's information and metadata.
InterruptInterrupt the current method.
ListBucketsLists all buckets in the account.
ListObjectsLists the objects in a bucket.
ListVersionsLists the object versions in a bucket.
ResetResets the class to its initial state.
ResetHeadersResets all HTTP headers, cookies, and LocalFile.
SendCustomRequestSends a custom request to the server.
SetDownloadStreamSets the stream to which downloaded data will be written.
SetUploadStreamSets the stream from which data is read when uploading.
UpdateBucketACLUpdates a bucket's canned access policy.
UpdateObjectACLUpdates an object's canned access policy.

Event List


The following is the full list of the events fired by the class with short descriptions. Click on the links for further details.

BucketListFires once for each bucket returned when listing buckets.
EndTransferFired when a document finishes transferring.
ErrorInformation about errors during data delivery.
HeaderFired every time a header line comes in.
LogFires once for each log message.
MetadataListFires once for each metadata item returned when object information and metadata is retrieved.
ObjectListFires once for each object, object version, or multipart upload returned when listing such items.
PrefixListFires once for each common prefix returned when listing objects.
ProgressFires during an upload or download to indicate transfer progress.
SSLServerAuthenticationFired after the server presents its certificate to the client.
SSLStatusShows the progress of the secure connection.
StartTransferFired when a document starts transferring (after the headers).
TransferFired while a document transfers (delivers document).

Configuration Settings


The following is a list of configuration settings for the class with short descriptions. Click on the links for further details.

AccessKeyThe Access Key Id for the Google account.
ContentRangeThis contains the range of bytes of the current object that are being returned.
DownloadTempFileThe temporary file used when downloading encrypted data.
EncryptionIVThe initialization vector to be used for encryption/decryption.
EncryptionKeyThe key to use during encryption/decryption.
EnforceBucketNameRestrictionsWhether or not to enforce bucket naming conventions.
ETagThe ETag for the object returned by the server.
IfMatchCheck to make sure the object has not been modified since the last request.
IncludeContentMD5Whether an MD5 digest of a custom request's data should be included.
IncludeObjectMD5Whether an MD5 digest of a object's data should be included.
MaxObjectsThe maximum number of results to return when listing objects.
Prefix[i]The i'th common prefix returned.
PrefixCountThe number of common prefixed returned.
ProgressAbsoluteWhether the class should track transfer progress absolutely.
ProgressStepHow often the progress event should be fired, in terms of percentage.
RawRequestReturns the data that was sent to the server.
RawResponseReturns the data that was received from the server.
SecretKeyThe Secret Access Key Id for the Google account.
SendObjectACLsWhether to include object-level ACL headers when making requests.
SignCustomRequestTells the class to sign the outgoing request.
StorageClassSpecify the storage class to be used for the uploaded object.
StorePrefixListWhether to store the common prefixes returned when listing objects.
TempPathThe path to the directory where temporary files are created.
URLIf set, the default URL will be overridden by this value.
XChildCountThe number of child elements of the current element.
XChildName[i]The name of the child element.
XChildXText[i]The inner text of the child element.
XElementThe name of the current element.
XParentThe parent of the current element.
XPathProvides a way to point to a specific element in the returned XML or JSON response.
XSubTreeA snapshot of the current element in the document.
XTextThe text of the current element.
AcceptEncodingUsed to tell the server which types of content encodings the client supports.
AllowHTTPCompressionThis property enables HTTP compression for receiving data.
AllowHTTPFallbackWhether HTTP/2 connections are permitted to fallback to HTTP/1.1.
AllowNTLMFallbackWhether to allow fallback from Negotiate to NTLM when authenticating.
AppendWhether to append data to LocalFile.
AuthorizationThe Authorization string to be sent to the server.
BytesTransferredContains the number of bytes transferred in the response data.
ChunkSizeSpecifies the chunk size in bytes when using chunked encoding.
CompressHTTPRequestSet to true to compress the body of a PUT or POST request.
EncodeURLIf set to true the URL will be encoded by the class.
FollowRedirectsDetermines what happens when the server issues a redirect.
GetOn302RedirectIf set to true the class will perform a GET on the new location.
HTTP2HeadersWithoutIndexingHTTP2 headers that should not update the dynamic header table with incremental indexing.
HTTPVersionThe version of HTTP used by the class.
IfModifiedSinceA date determining the maximum age of the desired document.
KeepAliveDetermines whether the HTTP connection is closed after completion of the request.
KerberosSPNThe Service Principal Name for the Kerberos Domain Controller.
LogLevelThe level of detail that is logged.
MaxHeadersInstructs class to save the amount of headers specified that are returned by the server after a Header event has been fired.
MaxHTTPCookiesInstructs class to save the amount of cookies specified that are returned by the server when a SetCookie event is fired.
MaxRedirectAttemptsLimits the number of redirects that are followed in a request.
NegotiatedHTTPVersionThe negotiated HTTP version.
OtherHeadersOther headers as determined by the user (optional).
ProxyAuthorizationThe authorization string to be sent to the proxy server.
ProxyAuthSchemeThe authorization scheme to be used for the proxy.
ProxyPasswordA password if authentication is to be used for the proxy.
ProxyPortPort for the proxy server (default 80).
ProxyServerName or IP address of a proxy server (optional).
ProxyUserA user name if authentication is to be used for the proxy.
SentHeadersThe full set of headers as sent by the client.
StatusLineThe first line of the last response from the server.
TransferredDataThe contents of the last response from the server.
TransferredDataLimitThe maximum number of incoming bytes to be stored by the class.
TransferredHeadersThe full set of headers as received from the server.
TransferredRequestThe full request as sent by the client.
UseChunkedEncodingEnables or Disables HTTP chunked encoding for transfers.
UseIDNsWhether to encode hostnames to internationalized domain names.
UsePlatformDeflateWhether to use the platform implementation to decompress compressed responses.
UsePlatformHTTPClientWhether or not to use the platform HTTP client.
UserAgentInformation about the user agent (browser).
CloseStreamAfterTransferIf true, the class will close the upload or download stream after the transfer.
ConnectionTimeoutSets a separate timeout value for establishing a connection.
FirewallAutoDetectTells the class whether or not to automatically detect and use firewall system settings, if available.
FirewallHostName or IP address of firewall (optional).
FirewallListenerIf true, the class binds to a SOCKS firewall as a server (IPPort only).
FirewallPasswordPassword to be used if authentication is to be used when connecting through the firewall.
FirewallPortThe TCP port for the FirewallHost;.
FirewallTypeDetermines the type of firewall to connect through.
FirewallUserA user name if authentication is to be used connecting through a firewall.
KeepAliveIntervalThe retry interval, in milliseconds, to be used when a TCP keep-alive packet is sent and no response is received.
KeepAliveTimeThe inactivity time in milliseconds before a TCP keep-alive packet is sent.
LingerWhen set to True, connections are terminated gracefully.
LingerTimeTime in seconds to have the connection linger.
LocalHostThe name of the local host through which connections are initiated or accepted.
LocalPortThe port in the local host where the class binds.
MaxLineLengthThe maximum amount of data to accumulate when no EOL is found.
MaxTransferRateThe transfer rate limit in bytes per second.
ProxyExceptionsListA semicolon separated list of hosts and IPs to bypass when using a proxy.
TCPKeepAliveDetermines whether or not the keep alive socket option is enabled.
TcpNoDelayWhether or not to delay when sending packets.
UseIPv6Whether to use IPv6.
UseNTLMv2Whether to use NTLM V2.
LogSSLPacketsControls whether SSL packets are logged when using the internal security API.
ReuseSSLSessionDetermines if the SSL session is reused.
SSLCACertsA newline separated list of CA certificate to use during SSL client authentication.
SSLCheckCRLWhether to check the Certificate Revocation List for the server certificate.
SSLCipherStrengthThe minimum cipher strength used for bulk encryption.
SSLContextProtocolThe protocol used when getting an SSLContext instance.
SSLEnabledCipherSuitesThe cipher suite to be used in an SSL negotiation.
SSLEnabledProtocolsUsed to enable/disable the supported security protocols.
SSLEnableRenegotiationWhether the renegotiation_info SSL extension is supported.
SSLIncludeCertChainWhether the entire certificate chain is included in the SSLServerAuthentication event.
SSLNegotiatedCipherReturns the negotiated ciphersuite.
SSLNegotiatedCipherStrengthReturns the negotiated ciphersuite strength.
SSLNegotiatedCipherSuiteReturns the negotiated ciphersuite.
SSLNegotiatedKeyExchangeReturns the negotiated key exchange algorithm.
SSLNegotiatedKeyExchangeStrengthReturns the negotiated key exchange algorithm strength.
SSLNegotiatedVersionReturns the negotiated protocol version.
SSLProviderThe name of the security provider to use.
SSLServerCACertsA newline separated list of CA certificate to use during SSL server certificate validation.
SSLTrustManagerFactoryAlgorithmThe algorithm to be used to create a TrustManager through TrustManagerFactory.
TLS12SignatureAlgorithmsDefines the allowed TLS 1.2 signature algorithms when UseInternalSecurityAPI is True.
TLS12SupportedGroupsThe supported groups for ECC.
TLS13KeyShareGroupsThe groups for which to pregenerate key shares.
TLS13SignatureAlgorithmsThe allowed certificate signature algorithms.
TLS13SupportedGroupsThe supported groups for (EC)DHE key exchange.
AbsoluteTimeoutDetermines whether timeouts are inactivity timeouts or absolute timeouts.
FirewallDataUsed to send extra data to the firewall.
InBufferSizeThe size in bytes of the incoming queue of the socket.
OutBufferSizeThe size in bytes of the outgoing queue of the socket.
BuildInfoInformation about the product's build.
GUIAvailableTells the class whether or not a message loop is available for processing events.
LicenseInfoInformation about the current license.
UseDaemonThreadsWhether threads created by the class are daemon threads.
UseInternalSecurityAPITells the class whether or not to use the system security libraries or an internal implementation.

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IPWorks Cloud 2020 Java Edition - Version 20.0 [Build 8265]