jmplib.javaparser.util

Class JavaParserUtils

java.lang.Object

jmplib.javaparser.util.JavaParserUtils

public class JavaParserUtils
extends java.lang.Object

Helper class to encapsulate the most common Java Parser operations

Version:

1.1: Modifications were made to enable working with generic methods.

Author:

Ignacio Lagartos, Jos� Manuel Redondo

Constructor Summary

Constructors

Constructor and Description
JavaParserUtils()

Method Summary

Modifier and Type	Method and Description
static com.github.javaparser.ast.expr.NameExpr	classToNameExpr(java.lang.Class<?> clazz) Converts a class to NameExpr node
static com.github.javaparser.ast.CompilationUnit	getCompilationUnit(java.lang.Class<?> classObject) Obtains a JavaParser compilation unit from a class object.
static boolean	isATypeParameter(com.github.javaparser.ast.body.MethodDeclaration method, com.github.javaparser.ast.body.Parameter param) Tells if the passed parameter is a generic type parameter
static boolean	isATypeParameter(com.github.javaparser.ast.body.MethodDeclaration method, com.github.javaparser.ast.type.Type param) Tells if the passed type is a generic type parameter
static com.github.javaparser.ast.CompilationUnit	parse(java.lang.String source) Parse the source of the class
static com.github.javaparser.ast.body.VariableDeclarator	searchField(com.github.javaparser.ast.CompilationUnit unit, java.lang.Class<?> clazz, java.lang.String name) Search a field node in the compilation unit
static com.github.javaparser.ast.body.FieldDeclaration	searchFieldDeclaration(com.github.javaparser.ast.CompilationUnit unit, java.lang.Class<?> clazz, java.lang.String name) Search a field declaration in the compilation unit
static com.github.javaparser.ast.body.FieldDeclaration	searchFieldDeclarationFromJavaParserCU(com.github.javaparser.ast.CompilationUnit unit, java.lang.Class<?> clazz, java.lang.String name) Search a field declaration in the compilation unit
static com.github.javaparser.ast.body.MethodDeclaration	searchMethod(com.github.javaparser.ast.CompilationUnit unit, java.lang.Class<?> clazz, java.lang.String name) Search a method node in the compilation unit
static com.github.javaparser.ast.body.MethodDeclaration	searchMethod(com.github.javaparser.ast.CompilationUnit unit, java.lang.Class<?> clazz, java.lang.String name, java.lang.Class<?>[] parameterClasses, java.lang.Class<?> returnClass) Search a method node in the compilation unit
static com.github.javaparser.ast.body.MethodDeclaration	searchMethodFromJavaParserCU(com.github.javaparser.ast.CompilationUnit unit, java.lang.Class<?> clazz, java.lang.String name, java.lang.Class<?>[] parameterClasses, java.lang.Class<?> returnClass) Search a method node in the compilation unit
static com.github.javaparser.ast.body.TypeDeclaration	searchType(com.github.javaparser.ast.CompilationUnit unit, java.lang.Class<?> clazz) Obtains the TypeDeclaration of the specified class from the compilation Unit
static com.github.javaparser.ast.body.TypeDeclaration	searchType(com.github.javaparser.ast.CompilationUnit unit, java.lang.String clazzName) Obtains the TypeDeclaration of the specified class from the compilation Unit
static com.github.javaparser.ast.body.TypeDeclaration	searchTypeFromJavaParserCU(com.github.javaparser.ast.CompilationUnit unit, java.lang.Class<?> clazz) Obtains the TypeDeclaration of the specified class from the compilation Unit
static com.github.javaparser.ast.body.TypeDeclaration	searchTypeFromOriginalVersion(com.github.javaparser.ast.CompilationUnit unit, java.lang.String clazzName) Obtains the TypeDeclaration of the specified class from the compilation Unit regardless if it is a version class
static com.github.javaparser.ast.type.Type	transform(java.lang.Class<?> clazz) Tranforms a class to Type node
static com.github.javaparser.ast.type.Type	transform(java.lang.reflect.Type type) Transforms Type to java parser Type
static java.lang.Class<?>	typeName2Class(java.lang.String typeName) Maps a JavaParser type name to its corresponding Java class

Methods inherited from class java.lang.Object

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

Constructor Detail

JavaParserUtils

public JavaParserUtils()

Method Detail

parse

public static com.github.javaparser.ast.CompilationUnit parse(java.lang.String source)
                                                       throws com.github.javaparser.ParseException

Parse the source of the class

Parameters:

source - The source code

Returns:

The CompilationUnit with the AST of the class

Throws:

com.github.javaparser.ParseException - When the class cannot be parsed

classToNameExpr

public static com.github.javaparser.ast.expr.NameExpr classToNameExpr(java.lang.Class<?> clazz)

Converts a class to NameExpr node

Parameters:

clazz - The class

Returns:

NameExpr node

transform

public static com.github.javaparser.ast.type.Type transform(java.lang.Class<?> clazz)

Tranforms a class to Type node

Parameters:

clazz - The class

Returns:

Type node

transform

public static com.github.javaparser.ast.type.Type transform(java.lang.reflect.Type type)

Transforms Type to java parser Type

Parameters:

type - Type

Returns:

Java parser Type or null

searchTypeFromJavaParserCU

public static com.github.javaparser.ast.body.TypeDeclaration searchTypeFromJavaParserCU(com.github.javaparser.ast.CompilationUnit unit,
                                                                                        java.lang.Class<?> clazz)

Obtains the TypeDeclaration of the specified class from the compilation Unit

Parameters:

unit - The Compilation unit

clazz - The class

Returns:

Return the TypeDeclaration or null

searchType

public static com.github.javaparser.ast.body.TypeDeclaration searchType(com.github.javaparser.ast.CompilationUnit unit,
                                                                        java.lang.Class<?> clazz)

Obtains the TypeDeclaration of the specified class from the compilation Unit

Parameters:

unit - The Compilation unit

clazz - The class

Returns:

Return the TypeDeclaration or null

searchType

public static com.github.javaparser.ast.body.TypeDeclaration searchType(com.github.javaparser.ast.CompilationUnit unit,
                                                                        java.lang.String clazzName)

Obtains the TypeDeclaration of the specified class from the compilation Unit

Parameters:

unit - The Compilation unit

clazzName - The name of the class

Returns:

Return the TypeDeclaration or null

searchTypeFromOriginalVersion

public static com.github.javaparser.ast.body.TypeDeclaration searchTypeFromOriginalVersion(com.github.javaparser.ast.CompilationUnit unit,
                                                                                           java.lang.String clazzName)

Obtains the TypeDeclaration of the specified class from the compilation Unit regardless if it is a version class

Parameters:

unit - The Compilation unit

clazzName - The name of the class

Returns:

Return the TypeDeclaration or null

searchMethodFromJavaParserCU

public static com.github.javaparser.ast.body.MethodDeclaration searchMethodFromJavaParserCU(com.github.javaparser.ast.CompilationUnit unit,
                                                                                            java.lang.Class<?> clazz,
                                                                                            java.lang.String name,
                                                                                            java.lang.Class<?>[] parameterClasses,
                                                                                            java.lang.Class<?> returnClass)
                                                                                     throws java.lang.NoSuchMethodException

Search a method node in the compilation unit

Parameters:

unit - The compilation Unit

clazz - The class owner

name - The name of the method

parameterClasses - The parameter classes

returnClass - The type of the method

Returns:

The method node

Throws:

java.lang.NoSuchMethodException - If the method is not in the CompilationUnit

searchMethod

public static com.github.javaparser.ast.body.MethodDeclaration searchMethod(com.github.javaparser.ast.CompilationUnit unit,
                                                                            java.lang.Class<?> clazz,
                                                                            java.lang.String name,
                                                                            java.lang.Class<?>[] parameterClasses,
                                                                            java.lang.Class<?> returnClass)
                                                                     throws java.lang.NoSuchMethodException

Search a method node in the compilation unit

Parameters:

unit - The compilation Unit

clazz - The class owner

name - The name of the method

parameterClasses - The parameter classes

returnClass - The type of the method

Returns:

The method node

Throws:

java.lang.NoSuchMethodException - If the method is not in the CompilationUnit

searchMethod

public static com.github.javaparser.ast.body.MethodDeclaration searchMethod(com.github.javaparser.ast.CompilationUnit unit,
                                                                            java.lang.Class<?> clazz,
                                                                            java.lang.String name)
                                                                     throws java.lang.NoSuchMethodException

Search a method node in the compilation unit

Parameters:

unit - The compilation Unit

clazz - The class owner

name - The name of the method

Returns:

The method node

Throws:

java.lang.NoSuchMethodException - If the method is not in the CompilationUnit

searchField

public static com.github.javaparser.ast.body.VariableDeclarator searchField(com.github.javaparser.ast.CompilationUnit unit,
                                                                            java.lang.Class<?> clazz,
                                                                            java.lang.String name)
                                                                     throws java.lang.NoSuchFieldException

Search a field node in the compilation unit

Parameters:

unit - The compilation Unit

clazz - The class owner

name - The name of the field

Returns:

The field node

Throws:

java.lang.NoSuchFieldException - If the field is not in the CompilationUnit

searchFieldDeclarationFromJavaParserCU

public static com.github.javaparser.ast.body.FieldDeclaration searchFieldDeclarationFromJavaParserCU(com.github.javaparser.ast.CompilationUnit unit,
                                                                                                     java.lang.Class<?> clazz,
                                                                                                     java.lang.String name)
                                                                                              throws java.lang.NoSuchFieldException

Search a field declaration in the compilation unit

Parameters:

unit - The compilation Unit

clazz - The class owner

name - The name of the field

Returns:

The field node

Throws:

java.lang.NoSuchFieldException - If the field is not in the CompilationUnit

searchFieldDeclaration

public static com.github.javaparser.ast.body.FieldDeclaration searchFieldDeclaration(com.github.javaparser.ast.CompilationUnit unit,
                                                                                     java.lang.Class<?> clazz,
                                                                                     java.lang.String name)
                                                                              throws java.lang.NoSuchFieldException

Search a field declaration in the compilation unit

Parameters:

unit - The compilation Unit

clazz - The class owner

name - The name of the field

Returns:

The field node

Throws:

java.lang.NoSuchFieldException - If the field is not in the CompilationUnit

isATypeParameter

public static boolean isATypeParameter(com.github.javaparser.ast.body.MethodDeclaration method,
                                       com.github.javaparser.ast.type.Type param)

Tells if the passed type is a generic type parameter

Parameters:

method -

param -

Returns:

isATypeParameter

public static boolean isATypeParameter(com.github.javaparser.ast.body.MethodDeclaration method,
                                       com.github.javaparser.ast.body.Parameter param)

Tells if the passed parameter is a generic type parameter

Parameters:

method -

param -

Returns:

typeName2Class

public static java.lang.Class<?> typeName2Class(java.lang.String typeName)
                                         throws java.lang.ClassNotFoundException

Maps a JavaParser type name to its corresponding Java class

Parameters:

typeName -

Returns:

Throws:

java.lang.ClassNotFoundException

getCompilationUnit

public static com.github.javaparser.ast.CompilationUnit getCompilationUnit(java.lang.Class<?> classObject)
                                                                    throws StructuralIntercessionException

Obtains a JavaParser compilation unit from a class object.

Parameters:

classObject - Class object

Returns:

A JavaParser CompilationUnit

Throws:

StructuralIntercessionException - If some problem occurs trying to locate the source of the .class file