org.springframework.cloud.gcp.vision

Class DocumentOcrResultSet

java.lang.Object

org.springframework.cloud.gcp.vision.DocumentOcrResultSet

public class DocumentOcrResultSet
extends Object

Represents the parsed OCR content for an document in the provided range of pages.

Author:

Daniel Zou

Method Summary

Modifier and Type	Method and Description
Iterator<com.google.cloud.vision.v1.TextAnnotation>	getAllPages() Returns an Iterator over all the OCR pages of the document.
int	getMaxPage() Returns the maximum page number in the result set.
int	getMinPage() Returns the minimum page number in the result set.
com.google.cloud.vision.v1.TextAnnotation	getPage(int pageNumber) Retrieves the parsed OCR information of the page at index pageNumber of the document.

Methods inherited from class java.lang.Object

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

Method Detail

getMinPage

public int getMinPage()

Returns the minimum page number in the result set.

Returns:

the lowest page number in the result set.

getMaxPage

public int getMaxPage()

Returns the maximum page number in the result set.

Returns:

the highest page number in the result set.

getPage

public com.google.cloud.vision.v1.TextAnnotation getPage(int pageNumber)
                                                  throws com.google.protobuf.InvalidProtocolBufferException

Retrieves the parsed OCR information of the page at index pageNumber of the document. The page number must be a value between getMinPage() and getMaxPage().

This returns a TextAnnotation object which is Google Cloud Vision's representation of a page of a document. For more information on reading this object, see: https://cloud.google.com/vision/docs/reference/rpc/google.cloud.vision.v1#google.cloud.vision.v1.TextAnnotation

Parameters:

pageNumber - the page number of the document

Returns:

the TextAnnotation representing the page of the document

Throws:

com.google.protobuf.InvalidProtocolBufferException - if the OCR information for the page failed to be parsed

getAllPages

public Iterator<com.google.cloud.vision.v1.TextAnnotation> getAllPages()

Returns an Iterator over all the OCR pages of the document.

Returns:

iterator of TextAnnotation describing OCR content of each page in the document.