com.github.jknack.handlebars.context

Class MemberValueResolver<M extends java.lang.reflect.Member>

java.lang.Object

com.github.jknack.handlebars.context.MemberValueResolver<M>

Type Parameters:

M - The member type.

All Implemented Interfaces:

ValueResolver

Direct Known Subclasses:

FieldValueResolver, MethodValueResolver

public abstract class MemberValueResolver<M extends java.lang.reflect.Member>
extends java.lang.Object
implements ValueResolver

A specialization of ValueResolver that is built on top of reflections API. It use an internal cache for saving members.

Since:

0.1.1

Field Summary

Fields inherited from interface com.github.jknack.handlebars.ValueResolver

UNRESOLVED, VALUE_RESOLVERS

Constructor Summary

Constructors

Constructor and Description
MemberValueResolver()

Method Summary

Modifier and Type	Method and Description
abstract boolean	matches(M member, java.lang.String name) True, if the member matches the one we look for.
java.util.Set<java.util.Map.Entry<java.lang.String,java.lang.Object>>	propertySet(java.lang.Object context) List all the properties and their values for the given object.
java.lang.Object	resolve(java.lang.Object context) Resolve the the context object by optionally converting the value if necessary.
java.lang.Object	resolve(java.lang.Object context, java.lang.String name) Resolve the attribute's name in the context object.

Methods inherited from class java.lang.Object

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

Constructor Detail

MemberValueResolver

public MemberValueResolver()

Method Detail

resolve

public final java.lang.Object resolve(java.lang.Object context,
                                      java.lang.String name)

Description copied from interface: ValueResolver

Resolve the attribute's name in the context object. If a ValueResolver.UNRESOLVED is returned, the context stack will continue with the next value resolver in the chain.

Specified by:

resolve in interface ValueResolver

Parameters:

context - The context object. Not null.

name - The attribute's name. Not null.

Returns:

A ValueResolver.UNRESOLVED is returned, the context stack will continue with the next value resolver in the chain. Otherwise, it returns the associated value.

resolve

public java.lang.Object resolve(java.lang.Object context)

Description copied from interface: ValueResolver

Resolve the the context object by optionally converting the value if necessary. If a ValueResolver.UNRESOLVED is returned, the context stack will continue with the next value resolver in the chain.

Specified by:

resolve in interface ValueResolver

Parameters:

context - The context object. Not null.

Returns:

A ValueResolver.UNRESOLVED is returned, the context stack will continue with the next value resolver in the chain. Otherwise, it returns the associated value.

matches

public abstract boolean matches(M member,
                                java.lang.String name)

True, if the member matches the one we look for.

Parameters:

member - The class Member.

name - The attribute's name.

Returns:

True, if the member matches the one we look for.

propertySet

public java.util.Set<java.util.Map.Entry<java.lang.String,java.lang.Object>> propertySet(java.lang.Object context)

Description copied from interface: ValueResolver

List all the properties and their values for the given object.

Specified by:

propertySet in interface ValueResolver

Parameters:

context - The context object. Not null.

Returns:

All the properties and their values for the given object.