Java: CreatePageStreamFunction

Mon, 01 Jan 0001 00:00:00 +0000

public interface CreatePageStreamFunction

Functional interface that is used to create output stream used by Comparison to save preview image.

More details about its usage can be found in PreviewOptions class or in a documentation.

Example usage:


 PreviewOptions previewOptions = new PreviewOptions(pageNumber -> {
     return new FileOutputStream("/path/to/pages/page-" + pageNumber + ".png");
 });

Methods

Method	Description
invoke(int pageNumber)	Function that is called by Comparison to create output stream where page preview image will be saved.

invoke(int pageNumber)

public abstract OutputStream invoke(int pageNumber)

Function that is called by Comparison to create output stream where page preview image will be saved.

Parameters:

Parameter	Type	Description
pageNumber	int	The number of previewed page.

Returns: java.io.OutputStream - stream to save image data

Java: ReleasePageStreamFunction

Mon, 01 Jan 0001 00:00:00 +0000

public interface ReleasePageStreamFunction

Functional interface that is used to close output stream that was used by Comparison to save preview image.

More details about its usage can be found in PreviewOptions class or in a documentation.

Example usage:


 PreviewOptions previewOptions = new PreviewOptions(pageNumber -> {
    return new FileOutputStream("/path/page-" + pageNumber + ".png");
 }, (pageNumber, pageStream) -> {
    // do something
    pageStream.close();
 });

Methods

Method	Description
invoke(int pageNumber, OutputStream pageStream)	Function that is called by Comparison to close output stream where page preview image was saved.

invoke(int pageNumber, OutputStream pageStream)

public abstract void invoke(int pageNumber, OutputStream pageStream)

Function that is called by Comparison to close output stream where page preview image was saved.

Parameters:

Parameter	Type	Description
pageNumber	int	The number of previewed page.
pageStream	java.io.OutputStream	The stream to be closed.

Groupdocs API References – com.groupdocs.comparison.common.function

Java: CreatePageStreamFunction

Methods

invoke(int pageNumber)

Java: ReleasePageStreamFunction

Methods

invoke(int pageNumber, OutputStream pageStream)