org.mentawai.filter
Class DependencyFilter

java.lang.Object
  extended by 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


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