com.google.api.ads.dfp.axis.utils.v201203
Class ReportDownloader

java.lang.Object
  com.google.api.ads.dfp.axis.utils.v201203.ReportDownloader

public class ReportDownloader
extends Object

Retrieves reports using a ReportServiceInterface.

There are two main functions of this class:

• To download a report in Gzip format to a file or any OutputStream
• To get the report and perform a number of tasks on it

ReportUtils also provides the method whenReportReady(ReportCallback) to wait for a scheduled report to finish processing before taking an action on the report through the supplied ReportCallback.

Author:

Adam Rogal

Field Summary

static int

SLEEP_TIMER The time to sleep before each request to the service.

Constructor Summary

ReportDownloader(ReportServiceInterface reportService, long reportJobId)
Constructs a ReportDownloader object for a ReportServiceInterface and a report job id that the the class works on.

Method Summary

void	downloadReport(ExportFormat exportFormat, OutputStream outputStream) Downloads a Gzip or plain-text format report XML to output stream indicated by outputStream.
void	downloadReport(ExportFormat exportFormat, String fileName) Downloads a Gzip report to file located at fileName.
String	getReport(ExportFormat exportFormat) Gets the plain-text format report as a String.
boolean	waitForReportReady() Blocks and waits for a report to be ready.
Thread	whenReportReady(ReportCallback callback) Waits for the report to be ready and then calls: ReportCallback.onSuccess() for a successful scheduling ReportCallback.onFailure() for a failed scheduling due to a ReportJobStatus.FAILED ReportCallback.onInterruption() if the wait thread is interrupted ReportCallback.onException(Exception) if there was an exception while waiting for the report to finish

Methods inherited from class java.lang.Object

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

Field Detail

SLEEP_TIMER

public static final int SLEEP_TIMER

The time to sleep before each request to the service.

See Also:

Constant Field Values

Constructor Detail

ReportDownloader

public ReportDownloader(ReportServiceInterface reportService,
                        long reportJobId)

Constructs a ReportDownloader object for a ReportServiceInterface and a report job id that the the class works on.

Parameters:

reportService - the ReportService stub to make calls to

reportJobId - the report job ID

Method Detail

whenReportReady

public Thread whenReportReady(ReportCallback callback)

Waits for the report to be ready and then calls:

• ReportCallback.onSuccess() for a successful scheduling
• ReportCallback.onFailure() for a failed scheduling due to a ReportJobStatus.FAILED
• ReportCallback.onInterruption() if the wait thread is interrupted
• ReportCallback.onException(Exception) if there was an exception while waiting for the report to finish

Parameters:

callback - the ReportCallback to call when the job has finished, successfully or otherwise

Returns:

the thread created that handles waiting for the report. Thread.interrupt() can be called on the returned thread to interrupt it.

Throws:

IllegalArgumentException - if callback == null

waitForReportReady

public boolean waitForReportReady()
                           throws RemoteException,
                                  InterruptedException

Blocks and waits for a report to be ready. When a ReportJobStatus is received that is not ReportJobStatus#Pending or ReportJobStatus#InProgress, the report is considered finished, and the method is returned with a true if the report was successful, or an false if not.

Returns:

true if the report was successful, false otherwise

Throws:

RemoteException - if there was an error performing one of the SOAP calls

InterruptedException - if the thread was interrupted

downloadReport

public void downloadReport(ExportFormat exportFormat,
                           String fileName)
                    throws IOException

Downloads a Gzip report to file located at fileName.

Parameters:

exportFormat - the export format of the report

fileName - the file location to download the report to

Throws:

IOException - if there was an error performing any I/O action, including any SOAP calls

IllegalStateException - if the report is not ready to be downloaded

downloadReport

public void downloadReport(ExportFormat exportFormat,
                           OutputStream outputStream)
                    throws IOException

Downloads a Gzip or plain-text format report XML to output stream indicated by outputStream.

Parameters:

exportFormat - the export format of the report

outputStream - the output stream to download the report to

Throws:

IOException - if there was an error performing any I/O action, including any SOAP calls

IllegalStateException - if the report is not ready to be downloaded

getReport

public String getReport(ExportFormat exportFormat)
                 throws IOException

Gets the plain-text format report as a String.

Parameters:

exportFormat - the export format of the report

Returns:

the plain-text format report XML as a String

Throws:

IOException - if there was an error performing any I/O action, including any SOAP calls

IllegalStateException - if the report is not ready to be downloaded