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org.apache.commons.jexl3.internal.introspection
Class SandboxUberspect

java.lang.Object
  extended by org.apache.commons.jexl3.internal.introspection.SandboxUberspect
All Implemented Interfaces:
JexlUberspect
public final class SandboxUberspect
extends Object
implements JexlUberspect

An uberspect that controls usage of properties, methods and constructors through a sandbox.

Since:
3.0

Nested Class Summary
 
Nested classes/interfaces inherited from interface org.apache.commons.jexl3.introspection.JexlUberspect
JexlUberspect.JexlResolver, JexlUberspect.PropertyResolver, JexlUberspect.ResolverStrategy
 
Field Summary
 
Fields inherited from interface org.apache.commons.jexl3.introspection.JexlUberspect
JEXL_STRATEGY, MAP, MAP_STRATEGY, POJO
 
Constructor Summary
SandboxUberspect(JexlUberspect theUberspect, JexlSandbox theSandbox)
          A constructor for JexlSandbox uberspect.
 
Method Summary
 JexlArithmetic.Uberspect getArithmetic(JexlArithmetic arithmetic)
          Gets an arithmetic operator resolver for a given arithmetic instance.
 JexlMethod getConstructor(Object ctorHandle, Object... args)
          Returns a class constructor.
 Iterator<?> getIterator(Object obj)
          Gets an iterator from an object.
 JexlMethod getMethod(Object obj, String method, Object... args)
          Returns a JexlMethod.
 JexlPropertyGet getPropertyGet(List<JexlUberspect.PropertyResolver> resolvers, Object obj, Object identifier)
          Property getter.
 JexlPropertyGet getPropertyGet(Object obj, Object identifier)
          Property getter.
 JexlPropertySet getPropertySet(List<JexlUberspect.PropertyResolver> resolvers, Object obj, Object identifier, Object arg)
          Property setter.
 JexlPropertySet getPropertySet(Object obj, Object identifier, Object arg)
          Property setter.
 List<JexlUberspect.PropertyResolver> getResolvers(JexlOperator op, Object obj)
          Applies this uberspect property resolver strategy.
 int getVersion()
          Gets this uberspect version.
 void setClassLoader(ClassLoader loader)
          Sets the class loader to use.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

SandboxUberspect

public SandboxUberspect(JexlUberspect theUberspect,
                        JexlSandbox theSandbox)
A constructor for JexlSandbox uberspect.

Parameters:
theUberspect - the JexlUberspect to sandbox
theSandbox - the sandbox which is copied to avoid changes at runtime
Method Detail

setClassLoader

public void setClassLoader(ClassLoader loader)
Description copied from interface: JexlUberspect
Sets the class loader to use.

This increments the version.

Specified by:
setClassLoader in interface JexlUberspect
Parameters:
loader - the class loader

getVersion

public int getVersion()
Description copied from interface: JexlUberspect
Gets this uberspect version.

Specified by:
getVersion in interface JexlUberspect
Returns:
the class loader modification count

getConstructor

public JexlMethod getConstructor(Object ctorHandle,
                                 Object... args)
Description copied from interface: JexlUberspect
Returns a class constructor.

Specified by:
getConstructor in interface JexlUberspect
Parameters:
ctorHandle - a class or class name
args - constructor arguments
Returns:
a JexlMethod

getMethod

public JexlMethod getMethod(Object obj,
                            String method,
                            Object... args)
Description copied from interface: JexlUberspect
Returns a JexlMethod.

Specified by:
getMethod in interface JexlUberspect
Parameters:
obj - the object
method - the method name
args - method arguments
Returns:
a JexlMethod

getResolvers

public List<JexlUberspect.PropertyResolver> getResolvers(JexlOperator op,
                                                         Object obj)
Description copied from interface: JexlUberspect
Applies this uberspect property resolver strategy.

Specified by:
getResolvers in interface JexlUberspect
Parameters:
op - the operator
obj - the object
Returns:
the applied strategy resolver list

getPropertyGet

public JexlPropertyGet getPropertyGet(Object obj,
                                      Object identifier)
Description copied from interface: JexlUberspect
Property getter.

returns a JelPropertySet apropos to an expression like bar.woogie.

Specified by:
getPropertyGet in interface JexlUberspect
Parameters:
obj - the object to get the property from
identifier - property name
Returns:
a JexlPropertyGet or null

getPropertyGet

public JexlPropertyGet getPropertyGet(List<JexlUberspect.PropertyResolver> resolvers,
                                      Object obj,
                                      Object identifier)
Description copied from interface: JexlUberspect
Property getter.

Seeks a JexlPropertyGet apropos to an expression like bar.woogie.

See JexlUberspect.ResolverStrategy.apply(JexlOperator, java.lang.Object)

Specified by:
getPropertyGet in interface JexlUberspect
Parameters:
resolvers - the list of property resolvers to try
obj - the object to get the property from
identifier - property name
Returns:
a JexlPropertyGet or null

getPropertySet

public JexlPropertySet getPropertySet(Object obj,
                                      Object identifier,
                                      Object arg)
Description copied from interface: JexlUberspect
Property setter.

Seeks a JelPropertySet apropos to an expression like foo.bar = "geir".

Specified by:
getPropertySet in interface JexlUberspect
Parameters:
obj - the object to get the property from.
identifier - property name
arg - value to set
Returns:
a JexlPropertySet or null

getPropertySet

public JexlPropertySet getPropertySet(List<JexlUberspect.PropertyResolver> resolvers,
                                      Object obj,
                                      Object identifier,
                                      Object arg)
Description copied from interface: JexlUberspect
Property setter.

Seeks a JelPropertySet apropos to an expression like foo.bar = "geir".

See JexlUberspect.ResolverStrategy.apply(JexlOperator, java.lang.Object)

Specified by:
getPropertySet in interface JexlUberspect
Parameters:
resolvers - the list of property resolvers to try,
obj - the object to get the property from
identifier - property name
arg - value to set
Returns:
a JexlPropertySet or null

getIterator

public Iterator<?> getIterator(Object obj)
Description copied from interface: JexlUberspect
Gets an iterator from an object.

Specified by:
getIterator in interface JexlUberspect
Parameters:
obj - to get the iterator from
Returns:
an iterator over obj or null

getArithmetic

public JexlArithmetic.Uberspect getArithmetic(JexlArithmetic arithmetic)
Description copied from interface: JexlUberspect
Gets an arithmetic operator resolver for a given arithmetic instance.

Specified by:
getArithmetic in interface JexlUberspect
Parameters:
arithmetic - the arithmetic instance
Returns:
the arithmetic uberspect or null if no operator method were overridden
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