org.smartfrog.services.os.download
Class DownloadImpl

java.lang.Object
  org.smartfrog.sfcore.reference.RemoteReferenceResolverHelperImpl
      org.smartfrog.sfcore.prim.PrimImpl
          org.smartfrog.services.filesystem.FileUsingComponentImpl
              org.smartfrog.services.os.download.DownloadImpl

All Implemented Interfaces:

java.rmi.Remote, FileIntf, FileUsingComponent, UriIntf, Download, MessageKeys, Diagnostics, Liveness, Prim, RemoteReferenceResolver, RemoteReferenceResolverHelper

public class DownloadImpl
extends FileUsingComponentImpl
implements Download

Defines the Downloader class. It downloads the data from a given url.

Field Summary

static java.lang.String

ERROR_IN_DOWNLOAD

Fields inherited from class org.smartfrog.services.filesystem.FileUsingComponentImpl

file

Fields inherited from class org.smartfrog.sfcore.prim.PrimImpl

refLivenessDelay, refLivenessFactor, sfCompleteName, sfContext, sfDeployHooks, sfDeployWithHooks, sfExportRef, sfIsDeployed, sfIsStarted, sfIsTerminated, sfIsTerminating, sfLivenessCount, sfLivenessDelay, sfLivenessFactor, sfLivenessSender, sfParent, sfStartHooks, sfTerminateWithHooks, termLock

Fields inherited from interface org.smartfrog.services.os.download.Download

ATTR_BLOCKSIZE, ATTR_LOCALFILE, ATTR_TERMINATE, ATTR_URL

Fields inherited from interface org.smartfrog.services.filesystem.FileIntf

ATTR_DELETE_ON_EXIT, ATTR_DIR, ATTR_EXISTS, ATTR_IS_DIRECTORY, ATTR_IS_EMPTY, ATTR_IS_FILE, ATTR_IS_HIDDEN, ATTR_LENGTH, ATTR_MUST_BE_DIR, ATTR_MUST_BE_FILE, ATTR_MUST_EXIST, ATTR_MUST_READ, ATTR_MUST_WRITE, ATTR_SHORTNAME, ATTR_TEST_ON_LIVENESS, ATTR_TEST_ON_STARTUP, ATTR_TIMESTAMP

Fields inherited from interface org.smartfrog.sfcore.common.MessageKeys

CANNOT_LINK_TO_PREDICATE, COMPONENT_TERMINATED, COPY_FAILED, COPY_SERIALIZE_FAILED, ERROR_NO_SECURITY_BUT_REQUIRED, ILLEGAL_BOOLEAN_PARAMETER, ILLEGAL_NUMERIC_PARAMETER, ILLEGAL_STRING_PARAMETER, ILLEGAL_VECTOR_PARAMETER, LIVENESS_SEND_FAILURE, LIVENESS_SEND_FAILURE_IN, MISSING_PARAMETER, MSG_CLASS_NOT_FOUND, MSG_CONNECT_ERR, MSG_CONT_OTHER_DEPLOY, MSG_DEPLOY_COMP_TERMINATED, MSG_DEPLOY_SUCCESS, MSG_DEPLOYWITH_PHASE_FAILED, MSG_DETACH_SUCCESS, MSG_DETACH_TERMINATE_SUCCESS, MSG_ERR_DEPLOY_FROM_URL, MSG_ERR_PARSE, MSG_ERR_RESOLVE_PHASE, MSG_ERR_SF_RUNNING, MSG_ERR_TERM, MSG_FAILED_INET_ADDRESS_LOOKUP, MSG_FAILED_TO_CONTACT_PARENT, MSG_FILE_NOT_FOUND, MSG_HOOK_ACTION_FAILED, MSG_ILLEGAL_ACCESS, MSG_ILLEGAL_CLASS_TYPE, MSG_ILLEGAL_CLASS_TYPE_EXPECTING_GOT, MSG_ILLEGAL_REFERENCE, MSG_INPUTSTREAM_NULL, MSG_INSTANTIATION_ERROR, MSG_INVALID_OBJECT_TYPE, MSG_INVOCATION_TARGET, MSG_LANG_NOT_FOUND, MSG_LIVENESS_START_FAILED, MSG_LOADING_URL, MSG_METHOD_NOT_FOUND, MSG_NON_REP_ATTRIB, MSG_NOT_COMPONENT_REFERENCE, MSG_NOT_FOUND_ATTRIBUTE, MSG_NOT_FOUND_REFERENCE, MSG_NOT_VALUE_REFERENCE, MSG_NULL_DEF_METHOD, MSG_NULL_URL, MSG_OBJECT_REGISTRATION_FAILED, MSG_PARENT_LOCATION_FAILED, MSG_PING_SUCCESS, MSG_RANDM_ERR, MSG_REMOTE_CONNECT_ERR, MSG_REPEATED_ATTRIBUTE, MSG_SF_DEAD, MSG_SF_READY, MSG_SF_TERMINATED, MSG_STACKTRACE_FOLLOWS, MSG_START_COMP_TERMINATED, MSG_TERMINATE_SUCCESS, MSG_UNHANDLED_EXCEPTION, MSG_UNKNOWN_HOST, MSG_UNRESOLVED_REFERENCE, MSG_UNRESOLVED_REFERENCE_IN, MSG_UPDATE_SUCCESS, MSG_URL_NOT_FOUND, MSG_URL_TO_PARSE_NOT_FOUND, MSG_WARNING_LIVENESS_ENABLED, MSG_WARNING_STACKTRACE_DISABLED, MSG_WARNING_STACKTRACE_ENABLED, ROOT_MUST_BE_COMPONENT, WARN_NO_SECURITY

Constructor Summary

DownloadImpl()
Constructor.

Method Summary

static void	download(java.lang.String url, java.io.File localFile, int blocksize) Simple Download
void	sfStart() Starts the download component.
void	sfTerminateWith(TerminationRecord status) delete the file if needed

Methods inherited from class org.smartfrog.services.filesystem.FileUsingComponentImpl

bind, bind, bind, bind, deleteFileIfNeeded, getAbsolutePath, getFile, getURI, setAbsolutePath, toString

Methods inherited from class org.smartfrog.sfcore.prim.PrimImpl

equals, hashCode, registerWithProcessCompound, sfAddAttribute, sfAttributeKeyFor, sfAttributes, sfCompleteName, sfCompleteNameSafe, sfContainsAttribute, sfContainsValue, sfContext, sfDeploy, sfDeployedHost, sfDeployedProcessName, sfDeployWith, sfDetach, sfDetachAndTerminate, sfDiagnosticsReport, sfDumpState, sfExport, sfExportRef, sfExportRef, sfGetApplicationLog, sfGetCoreLog, sfGetLog, sfIsDeployed, sfIsRemote, sfIsStarted, sfIsTerminated, sfIsTerminating, sfLivenessFailure, sfLog, sfParent, sfParentageChanged, sfPing, sfRemoveAttribute, sfReplaceAttribute, sfResolve, sfResolve, sfResolveHere, sfResolveHere, sfResolveParent, sfSetLog, sfStartLivenessSender, sfStopLivenessSender, sfTerminate, sfTerminatedWith, sfTerminateQuietlyWith, sfValues, terminateComponent, terminateNotifying

Methods inherited from class org.smartfrog.sfcore.reference.RemoteReferenceResolverHelperImpl

sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolveWithParser

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.smartfrog.sfcore.reference.RemoteReferenceResolverHelper

sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolve, sfResolveWithParser

Field Detail

ERROR_IN_DOWNLOAD

public static final java.lang.String ERROR_IN_DOWNLOAD

See Also:

Constant Field Values

Constructor Detail

DownloadImpl

public DownloadImpl()
             throws java.rmi.RemoteException

Constructor.

Throws:

java.rmi.RemoteException - in case of network/rmi error

Method Detail

sfStart

public void sfStart()
             throws SmartFrogException,
                    java.rmi.RemoteException

Starts the download component.

Specified by:

sfStart in interface Prim

Overrides:

sfStart in class PrimImpl

Throws:

SmartFrogException - in case of error in starting

java.rmi.RemoteException - in case of network/emi error

sfTerminateWith

public void sfTerminateWith(TerminationRecord status)

delete the file if needed

Overrides:

sfTerminateWith in class PrimImpl

Parameters:

status - termination status

download

public static void download(java.lang.String url,
                            java.io.File localFile,
                            int blocksize)
                     throws java.io.IOException

Simple Download

Parameters:

url - url to download from

localFile - local file name

blocksize - block size to download

Throws:

java.io.IOException - for IO error