org.mentawai.filter
Class DependencyFilter

java.lang.Object
  org.mentawai.filter.DependencyFilter

All Implemented Interfaces:

Filter

public class DependencyFilter
extends Object
implements Filter

Field Summary

static int	APPLICATION
static int	INPUT
static int	OUTPUT
static int	SESSION

Constructor Summary

DependencyFilter(String source_key, int source_scope, String target_key, int target_scope, String attribute)

DependencyFilter(String source_key, int source_scope, String target_key, String attribute)

DependencyFilter(String source_key, String target_key)

DependencyFilter(String source_key, String target_key, String attribute)

Method Summary

void	destroy() Gives a chance to the filter to deallocalte any resources before it is destroyed.
String	filter(InvocationChain chain) Executes the filter.
void	setThrowException(boolean throwException)
void	setTryField(boolean tryField)
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

INPUT

public static final int INPUT

See Also:

Constant Field Values

OUTPUT

public static final int OUTPUT

See Also:

Constant Field Values

SESSION

public static final int SESSION

See Also:

Constant Field Values

APPLICATION

public static final int APPLICATION

See Also:

Constant Field Values

Constructor Detail

DependencyFilter

public DependencyFilter(String source_key,
                        String target_key)

DependencyFilter

public DependencyFilter(String source_key,
                        String target_key,
                        String attribute)

DependencyFilter

public DependencyFilter(String source_key,
                        int source_scope,
                        String target_key,
                        String attribute)

DependencyFilter

public DependencyFilter(String source_key,
                        int source_scope,
                        String target_key,
                        int target_scope,
                        String attribute)

Method Detail

toString

public String toString()

Overrides:

toString in class Object

setTryField

public void setTryField(boolean tryField)

setThrowException

public void setThrowException(boolean throwException)

filter

public String filter(InvocationChain chain)
              throws Exception

Description copied from interface: Filter

Executes the filter.

Specified by:

filter in interface Filter

Parameters:

chain - The InvocationChain for the action this filter is being applied to.

Returns:

The result of the filter or the action the filter is being applied to.

Throws:

Exception

destroy

public void destroy()

Description copied from interface: Filter

Gives a chance to the filter to deallocalte any resources before it is destroyed. This is called when the web application is stopped, in other words, this has nothing to do with garbage collection.

Specified by:

destroy in interface Filter