MemoryCleaner

Inheritance: java.lang.Object

public final class MemoryCleaner

Cleans different resources to free memory.

This class provides methods to clear heap memory, delete temp files, and clear font registry information. It also includes a method to safely clear thread-local instances for the current thread.

Example usage:

 // Clean heap memory, keeping font settings
 MemoryCleaner.clearKeepingFontSettings();

 // Clean heap memory and delete temp files
 MemoryCleaner.clear();

 // Clean heap memory from static PDF instances
 MemoryCleaner.clearStaticInstances();

 // Delete all temp files created by PDF in the system temp directory
 MemoryCleaner.clearAllTempFiles();

 // Clear font registry information from heap memory
 MemoryCleaner.clearFontRegistry();

 // Safely clear thread-local instances for the current thread
 MemoryCleaner.clearCurrentThreadLocals();
 

Constructors

Constructor	Description
MemoryCleaner()

Methods

Method	Description
clearKeepingFontSettings()	Clears heap memory from static PDF instances (static and threadLocal) and deletes all temp files.
clear()	Clears heap memory from static PDF instances (static and threadLocal) and deletes all temp files.
clearStaticInstances()	Clears heap memory from static PDF instances.
clearAllTempFiles()	Clears temp files created by GroupDocs.Viewer in the system temp directory.
clearFontRegistry()	Clears font registry information from heap memory.
clearCurrentThreadLocals()	Safely clears heap memory from thread-local instances for the current thread.

MemoryCleaner()

public MemoryCleaner()

clearKeepingFontSettings()

public static void clearKeepingFontSettings()

Clears heap memory from static PDF instances (static and threadLocal) and deletes all temp files. This method does not affect font settings.

clear()

public static void clear()

Clears heap memory from static PDF instances (static and threadLocal) and deletes all temp files.

clearStaticInstances()

public static void clearStaticInstances()

Clears heap memory from static PDF instances.

clearAllTempFiles()

public static void clearAllTempFiles()

Clears temp files created by GroupDocs.Viewer in the system temp directory.

clearFontRegistry()

public static void clearFontRegistry()

Clears font registry information from heap memory.

clearCurrentThreadLocals()

public static void clearCurrentThreadLocals()

Safely clears heap memory from thread-local instances for the current thread.