vodserver.util

Class ExpressionUtil.ExpressionMethodResolver

java.lang.Object

vodserver.util.ExpressionUtil.ExpressionMethodResolver

All Implemented Interfaces:

org.springframework.expression.MethodResolver

Enclosing class:

ExpressionUtil

public static final class ExpressionUtil.ExpressionMethodResolver
extends Object
implements org.springframework.expression.MethodResolver

This class contains several utility methods that can be called from within expressions.

Author:

Ruud Senden

Constructor Summary

Constructors

Constructor and Description
ExpressionUtil.ExpressionMethodResolver()

Method Summary

Methods

Modifier and Type	Method and Description
static String	build(String prefix, String value, String suffix) If the given value is defined, return it with the given prefix and suffix.
static String	get(String value, String def) If the given value is defined, it will be returned as-is.
static String	ifDefined(String value) If the given value is defined, this method will return the given value as-is.
static String	ifDefined(String value, String result) If the given value is defined, the value of the given result will be returned.
static String	prefix(String prefix, String value) If the given value is defined, return it with the given prefix.
org.springframework.expression.MethodExecutor	resolve(org.springframework.expression.EvaluationContext context, Object targetObject, String name, List<org.springframework.core.convert.TypeDescriptor> argumentTypes) Whenever a method call needs to be resolved, this method simply uses a a ReflectiveMethodResolver to resolve the methods on its own instance.
static String	suffix(String value, String suffix) If the given value is defined, return it with the given suffix.

Methods inherited from class java.lang.Object

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

Constructor Detail

ExpressionUtil.ExpressionMethodResolver

public ExpressionUtil.ExpressionMethodResolver()

Method Detail

resolve

public org.springframework.expression.MethodExecutor resolve(org.springframework.expression.EvaluationContext context,
                                                    Object targetObject,
                                                    String name,
                                                    List<org.springframework.core.convert.TypeDescriptor> argumentTypes)
                                                      throws org.springframework.expression.AccessException

Whenever a method call needs to be resolved, this method simply uses a a ReflectiveMethodResolver to resolve the methods on its own instance.

Specified by:

resolve in interface org.springframework.expression.MethodResolver

Throws:

org.springframework.expression.AccessException

ifDefined

public static final String ifDefined(String value)

If the given value is defined, this method will return the given value as-is. If the given value is not defined (null or empty string), this method will return an empty string.

Parameters:

value -

Returns:

ifDefined

public static final String ifDefined(String value,
               String result)

If the given value is defined, the value of the given result will be returned. If the given value is not defined (null or empty string), this method will return an empty string.

Parameters:

value -

result -

Returns:

get

public static final String get(String value,
         String def)

If the given value is defined, it will be returned as-is. If the given value is not defined (null or empty string), the given default value will be returned.

Parameters:

value -

def -

Returns:

prefix

public static final String prefix(String prefix,
            String value)

If the given value is defined, return it with the given prefix. If the given value is not defined (null or empty string), an empty string will be returned.

Parameters:

prefix -

value -

Returns:

suffix

public static final String suffix(String value,
            String suffix)

If the given value is defined, return it with the given suffix. If the given value is not defined (null or empty string), an empty string will be returned.

Parameters:

suffix -

value -

Returns:

build

public static final String build(String prefix,
           String value,
           String suffix)

If the given value is defined, return it with the given prefix and suffix. If the given value is not defined (null or empty string), an empty string will be returned.

Parameters:

prefix -

value -

suffix -

Returns: