com.netflix.zuul

Class FilterLoader

java.lang.Object

com.netflix.zuul.FilterLoader

public class FilterLoader
extends java.lang.Object

This class is one of the core classes in Zuul. It compiles, loads from a File, and checks if source code changed. It also holds ZuulFilters by filterType.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	FilterLoader.TestZuulFilter

Constructor Summary

Constructors

Constructor and Description
FilterLoader()

Method Summary

Methods

Modifier and Type	Method and Description
int	filterInstanceMapSize()
ZuulFilter	getFilter(java.lang.String sCode, java.lang.String sName) Given source and name will compile and store the filter if it detects that the filter code has changed or the filter doesn't exist.
java.util.List<ZuulFilter>	getFiltersByType(java.lang.String filterType) Returns a list of filters by the filterType specified
static FilterLoader	getInstance()
boolean	putFilter(java.io.File file) From a file this will read the ZuulFilter source code, compile it, and add it to the list of current filters a true response means that it was successful.
void	setCompiler(DynamicCodeCompiler compiler) Sets a Dynamic Code Compiler
void	setFilterFactory(FilterFactory factory) Sets a FilterFactory
void	setFilterRegistry(FilterRegistry r)

Methods inherited from class java.lang.Object

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

Constructor Detail

FilterLoader

public FilterLoader()

Method Detail

setCompiler

public void setCompiler(DynamicCodeCompiler compiler)

Sets a Dynamic Code Compiler

Parameters:

compiler -

setFilterRegistry

public void setFilterRegistry(FilterRegistry r)

setFilterFactory

public void setFilterFactory(FilterFactory factory)

Sets a FilterFactory

Parameters:

factory -

getInstance

public static FilterLoader getInstance()

Returns:

Singleton FilterLoader

getFilter

public ZuulFilter getFilter(java.lang.String sCode,
                   java.lang.String sName)
                     throws java.lang.Exception

Given source and name will compile and store the filter if it detects that the filter code has changed or the filter doesn't exist. Otherwise it will return an instance of the requested ZuulFilter

Parameters:

sCode - source code

sName - name of the filter

Returns:

the ZuulFilter

Throws:

java.lang.IllegalAccessException

java.lang.InstantiationException

java.lang.Exception

filterInstanceMapSize

public int filterInstanceMapSize()

Returns:

the total number of Zuul filters

putFilter

public boolean putFilter(java.io.File file)
                  throws java.lang.Exception

From a file this will read the ZuulFilter source code, compile it, and add it to the list of current filters a true response means that it was successful.

Parameters:

file -

Returns:

true if the filter in file successfully read, compiled, verified and added to Zuul

Throws:

java.lang.IllegalAccessException

java.lang.InstantiationException

java.io.IOException

java.lang.Exception

getFiltersByType

public java.util.List<ZuulFilter> getFiltersByType(java.lang.String filterType)

Returns a list of filters by the filterType specified

Parameters:

filterType -

Returns:

a List