java.lang.Object
- com.adobe.internal.pdftoolkit.core.filter.CustomFilterRegistry

```
public class CustomFilterRegistry
extends Object
```
A registry that enables clients to register their custom stream filters with us. The filters will be used when encoding and decoding the CosStreams containing relevant content.

Constructor Summary

Constructors
Constructor Description

CustomFilterRegistry()

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`OutputStream`	`encode(ASName filterName, OutputStream dstStm, FilterParams params)`	Encode the stream using the filters registered for encode.
`Collection<CustomDecodeFilter>`	`getDecodeFilters()`	Returns the list of all registered decode filters
`static List`	`getDefaultDecodeFilters()`	Returns a list of filter names representing decode filters present in Gibson
`static List`	`getDefaultEncodeFilters()`	Returns a list of filter names representing encode filters present in Gibson
`Collection<CustomEncodeFilter>`	`getEncodeFilters()`	Returns the list of all registered encode filters
`CustomDecodeFilter`	`getRegisteredDecodeFilterByName(ASName filterName)`	searches registered custom decode filter by name and returns it, if present.
`CustomEncodeFilter`	`getRegisteredEncodeFilterByName(ASName filterName)`	searches registered custom encode filter by name and returns it, if present.
`List`	`getRegisteredFilters()`	Returns list of all the registered filters
`boolean`	`isDecodeFilterRegistered(ASName filterName)`	Checks if a custom decode filter is registered
`boolean`	`isEncodeFilterRegistered(ASName filterName)`	Checks if a custom encode filter is registered
`void`	`registerDecodeFilter(CustomDecodeFilter filter)`	Register your custom decode filter implementation
`void`	`registerEncodeFilter(CustomEncodeFilter filter)`	Register your custom encode filter implementation
`void`	`registerFilter(CustomFilter customFilter)`	Register the given filter with the registry.

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - CustomFilterRegistry
```
public CustomFilterRegistry()
```
- Method Detail
  - registerFilter
```
public void registerFilter(CustomFilter customFilter)
```
    Register the given filter with the registry.
    
    Parameters:
    
    customFilter -
  - isEncodeFilterRegistered
```
public boolean isEncodeFilterRegistered(ASName filterName)
```
    Checks if a custom encode filter is registered
    
    Parameters:
    
    filterName -
    
    Returns:
    
    true if a custom encode filter is registered
  - isDecodeFilterRegistered
```
public boolean isDecodeFilterRegistered(ASName filterName)
```
    Checks if a custom decode filter is registered
    
    Parameters:
    
    filterName -
    
    Returns:
    
    true if a custom decode filter is registered
  - getEncodeFilters
```
public Collection<CustomEncodeFilter> getEncodeFilters()
```
    Returns the list of all registered encode filters
    
    Returns:
    
    Collection of encode filters
  - getDecodeFilters
```
public Collection<CustomDecodeFilter> getDecodeFilters()
```
    Returns the list of all registered decode filters
    
    Returns:
    
    Collection of decode filters
  - registerEncodeFilter
```
public void registerEncodeFilter(CustomEncodeFilter filter)
```
    Register your custom encode filter implementation
    
    Parameters:
    
    filter -
  - registerDecodeFilter
```
public void registerDecodeFilter(CustomDecodeFilter filter)
```
    Register your custom decode filter implementation
    
    Parameters:
    
    filter -
  - encode
```
public OutputStream encode(ASName filterName,
                           OutputStream dstStm,
                           FilterParams params)
                    throws CustomFilterException
```
    Encode the stream using the filters registered for encode.
    
    Parameters:
    
    filterName -
    
    dstStm -
    
    params -
    
    Returns:
    
    InputStream containing the decoded bytes.
    
    Throws:
    
    CustomFilterException
  - getRegisteredFilters
```
public List getRegisteredFilters()
```
    Returns list of all the registered filters
    
    Returns:
    
    list of registered filters
  - getDefaultDecodeFilters
```
public static List getDefaultDecodeFilters()
```
    Returns a list of filter names representing decode filters present in Gibson
    
    Returns:
    
    list of decode filters present in Gibson by default.
  - getDefaultEncodeFilters
```
public static List getDefaultEncodeFilters()
```
    Returns a list of filter names representing encode filters present in Gibson
    
    Returns:
    
    list of encode filters present in Gibson by default.
  - getRegisteredDecodeFilterByName
```
public CustomDecodeFilter getRegisteredDecodeFilterByName(ASName filterName)
```
    searches registered custom decode filter by name and returns it, if present.
    
    Parameters:
    
    filterName -
    
    Returns:
    
    CustomDecodeFilter
  - getRegisteredEncodeFilterByName
```
public CustomEncodeFilter getRegisteredEncodeFilterByName(ASName filterName)
```
    searches registered custom encode filter by name and returns it, if present.
    
    Parameters:
    
    filterName -
    
    Returns:
    
    CustomEncodeFilter

Class CustomFilterRegistry

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

CustomFilterRegistry

Method Detail

registerFilter

isEncodeFilterRegistered

isDecodeFilterRegistered

getEncodeFilters

getDecodeFilters

registerEncodeFilter

registerDecodeFilter

encode

getRegisteredFilters

getDefaultDecodeFilters

getDefaultEncodeFilters

getRegisteredDecodeFilterByName

getRegisteredEncodeFilterByName