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LocalVariableTableParameterNameDiscoverer (Spring Framework API 2.0) - Spring Framework 2.0.5 API 文档英文版

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org.springframework.core
Class LocalVariableTableParameterNameDiscoverer

java.lang.Object
  org.springframework.core.LocalVariableTableParameterNameDiscoverer

All Implemented Interfaces:

ParameterNameDiscoverer

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public class LocalVariableTableParameterNameDiscoverer
extends Object
implements ParameterNameDiscoverer

Implementation of ParameterNameDiscover that uses the LocalVariableTable information in the method attributes to discover parameter names. Returns null if the class file was compiled without debug information.

Uses ObjectWeb's ASM library for analyzing class files.

Since:

2.0

Author:

Adrian Colyer, Juergen Hoeller

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Constructor Summary
LocalVariableTableParameterNameDiscoverer()

 

Method Summary
String[]	getParameterNames(Constructor ctor)           Return parameter names for this constructor, or null if they cannot be determined.
String[]	getParameterNames(Method method)           Return parameter names for this method, or null if they cannot be determined.

 

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Constructor Detail

LocalVariableTableParameterNameDiscoverer

public LocalVariableTableParameterNameDiscoverer()

Method Detail

getParameterNames

public String[] getParameterNames(Method method)

Description copied from interface: ParameterNameDiscoverer

Return parameter names for this method, or null if they cannot be determined.

Specified by:

getParameterNames in interface ParameterNameDiscoverer

Parameters:

method - method to find parameter names for

Returns:

an array of parameter names if the names can be resolved, or null if they cannot

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getParameterNames

public String[] getParameterNames(Constructor ctor)

Description copied from interface: ParameterNameDiscoverer

Return parameter names for this constructor, or null if they cannot be determined.

Specified by:

getParameterNames in interface ParameterNameDiscoverer

Parameters:

ctor - constructor to find parameter names for

Returns:

an array of parameter names if the names can be resolved, or null if they cannot

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