Package org.jboss.classfilewriter.util
Class DescriptorUtils
- java.lang.Object
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- org.jboss.classfilewriter.util.DescriptorUtils
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public class DescriptorUtils extends java.lang.Object
Utility class for working with method descriptors- Author:
- Stuart Douglas
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Constructor Summary
Constructors Constructor Description DescriptorUtils()
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static boolean
isPrimitive(java.lang.String descriptor)
returns true if the descriptor represents a primitive typestatic boolean
isWide(java.lang.Class<?> cls)
returns true if the class represents a long or a doublestatic boolean
isWide(java.lang.String descriptor)
returns true if the descriptor represents a long or a doublestatic java.lang.String
makeDescriptor(java.lang.Class<?> c)
static java.lang.String
makeDescriptor(java.lang.reflect.Constructor<?> c)
static java.lang.String
makeDescriptor(java.lang.String className)
Changes a class name to the internal form suitable for use in a descriptor string.static java.lang.String
methodDescriptor(java.lang.reflect.Method m)
static java.lang.String
methodDescriptor(java.lang.String[] parameters, java.lang.String returnType)
static java.lang.String[]
parameterDescriptors(java.lang.Class<?>[] parameters)
static java.lang.String[]
parameterDescriptors(java.lang.reflect.Method m)
static java.lang.String[]
parameterDescriptors(java.lang.String methodDescriptor)
returns an array of String representations of the parameter types.static java.lang.String
returnType(java.lang.String methodDescriptor)
static java.lang.String
validateDescriptor(java.lang.String descriptor)
performs basic validation on a descriptor
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Method Detail
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makeDescriptor
public static java.lang.String makeDescriptor(java.lang.String className)
Changes a class name to the internal form suitable for use in a descriptor string. e.g. java.lang.String => Ljava/lang/String;
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makeDescriptor
public static java.lang.String makeDescriptor(java.lang.Class<?> c)
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makeDescriptor
public static java.lang.String makeDescriptor(java.lang.reflect.Constructor<?> c)
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parameterDescriptors
public static java.lang.String[] parameterDescriptors(java.lang.String methodDescriptor)
returns an array of String representations of the parameter types. Primitives are returned as their native representations, while clases are returned in the internal descriptor form e.g. Ljava/lang/Integer;
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parameterDescriptors
public static java.lang.String[] parameterDescriptors(java.lang.reflect.Method m)
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parameterDescriptors
public static java.lang.String[] parameterDescriptors(java.lang.Class<?>[] parameters)
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returnType
public static java.lang.String returnType(java.lang.String methodDescriptor)
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isPrimitive
public static boolean isPrimitive(java.lang.String descriptor)
returns true if the descriptor represents a primitive type
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isWide
public static boolean isWide(java.lang.String descriptor)
returns true if the descriptor represents a long or a double
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isWide
public static boolean isWide(java.lang.Class<?> cls)
returns true if the class represents a long or a double
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methodDescriptor
public static java.lang.String methodDescriptor(java.lang.reflect.Method m)
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methodDescriptor
public static java.lang.String methodDescriptor(java.lang.String[] parameters, java.lang.String returnType)
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validateDescriptor
public static java.lang.String validateDescriptor(java.lang.String descriptor)
performs basic validation on a descriptor
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