org.cruxframework.crux.core.utils

Class JClassUtils

java.lang.Object

org.cruxframework.crux.core.utils.JClassUtils

public class JClassUtils
extends Object

Author:

Thiago da Rosa de Bustamante

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	JClassUtils.PropertyInfo

Constructor Summary

Constructors

Constructor and Description
JClassUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static com.google.gwt.core.ext.typeinfo.JType	buildGetValueExpression(StringBuilder out, com.google.gwt.core.ext.typeinfo.JClassType dtoType, String propertyPath, String objectVariable, boolean finishCommand)
static com.google.gwt.core.ext.typeinfo.JType	buildSetValueExpression(AbstractProxyCreator.SourcePrinter out, com.google.gwt.core.ext.typeinfo.JClassType dtoType, String propertyPath, String objectVariable, String value)
static com.google.gwt.core.ext.typeinfo.JType	buildSetValueExpression(StringBuilder out, com.google.gwt.core.ext.typeinfo.JClassType dtoType, String propertyPath, String objectVariable, String value)
static JClassUtils.PropertyInfo[]	extractBeanPropertiesInfo(com.google.gwt.core.ext.typeinfo.JClassType type)
static com.google.gwt.core.ext.typeinfo.JMethod[]	findMethods(com.google.gwt.core.ext.typeinfo.JClassType clazz, String methodName)
static com.google.gwt.core.ext.typeinfo.JMethod[]	findSetterMethods(com.google.gwt.core.ext.typeinfo.JClassType clazz, String propertyName)
static void	generateFieldValueSet(com.google.gwt.core.ext.typeinfo.JClassType voClass, com.google.gwt.core.ext.typeinfo.JField field, String parentVariable, String valueVariable, AbstractProxyCreator.SourcePrinter sourceWriter, boolean allowProtected) Generates a property set block.
static com.google.gwt.core.ext.typeinfo.JClassType[]	getActualParameterTypes(com.google.gwt.core.ext.typeinfo.JClassType baseType, com.google.gwt.core.ext.typeinfo.JClassType desiredInterfaceType)
static com.google.gwt.core.ext.typeinfo.JField	getDeclaredField(com.google.gwt.core.ext.typeinfo.JClassType clazz, String name)
static com.google.gwt.core.ext.typeinfo.JField[]	getDeclaredFields(com.google.gwt.core.ext.typeinfo.JClassType clazz)
static String	getEmptyValueForType(com.google.gwt.core.ext.typeinfo.JType objectType)
static com.google.gwt.core.ext.typeinfo.JField	getField(com.google.gwt.core.ext.typeinfo.JClassType clazz, String fieldName) Retrieve a field from class.
static String	getFieldValueGet(com.google.gwt.core.ext.typeinfo.JClassType voClass, com.google.gwt.core.ext.typeinfo.JField field, String parentVariable, boolean allowProtected) Deprecated. Use getFieldValueGet(JClassType, String, String boolean) instead.
static String	getFieldValueGet(com.google.gwt.core.ext.typeinfo.JClassType clazz, String propertyName, String parentVariable, boolean allowProtected) Generates a property get block.
static String	getGenericDeclForType(com.google.gwt.core.ext.typeinfo.JType type) Returns a string to be used in generic code block, according with the given type
static String	getGetterMethod(String propertyName, com.google.gwt.core.ext.typeinfo.JClassType baseClass)
static List<com.google.gwt.core.ext.typeinfo.JMethod>	getGetterMethods(com.google.gwt.core.ext.typeinfo.JClassType objectType)
static com.google.gwt.core.ext.typeinfo.JMethod	getMethod(com.google.gwt.core.ext.typeinfo.JClassType clazz, String methodName, com.google.gwt.core.ext.typeinfo.JType[] params)
static String	getMethodDescription(com.google.gwt.core.ext.typeinfo.JMethod method)
static com.google.gwt.core.ext.typeinfo.JMethod	getMethodOverInterfaces(com.google.gwt.core.ext.typeinfo.JClassType clazz, String methodName, com.google.gwt.core.ext.typeinfo.JType[] params) Look for methods over the interfaces.
static String	getNullSafeExpression(String widgetExpression, com.google.gwt.core.ext.typeinfo.JType propertyType, String widgetVariable)
static String	getParsingExpressionForSimpleType(String valueVariable, com.google.gwt.core.ext.typeinfo.JType expectedType)
static String	getPropertyForGetterOrSetterMethod(com.google.gwt.core.ext.typeinfo.JMethod method)
static com.google.gwt.core.ext.typeinfo.JType	getPropertyType(com.google.gwt.core.ext.typeinfo.JClassType clazz, String propertyPath) Retrieve the property type on the given class
static com.google.gwt.core.ext.typeinfo.JType	getReturnTypeFromMethodClass(com.google.gwt.core.ext.typeinfo.JClassType clazz, String methodName, com.google.gwt.core.ext.typeinfo.JType[] params)
static String	getSetterMethod(String propertyName, com.google.gwt.core.ext.typeinfo.JClassType baseClass, com.google.gwt.core.ext.typeinfo.JType propertyType)
static List<com.google.gwt.core.ext.typeinfo.JMethod>	getSetterMethods(com.google.gwt.core.ext.typeinfo.JClassType objectType)
static com.google.gwt.core.ext.typeinfo.JClassType	getType(com.google.gwt.core.ext.typeinfo.TypeOracle typeOracle, String className)
static com.google.gwt.core.ext.typeinfo.JClassType	getType(com.google.gwt.core.ext.typeinfo.TypeOracle typeOracle, String className, String viewName)
static com.google.gwt.core.ext.typeinfo.JClassType	getTypeArgForGenericType(com.google.gwt.core.ext.typeinfo.JClassType type)
static com.google.gwt.core.ext.typeinfo.JType	getTypeForProperty(String property, com.google.gwt.core.ext.typeinfo.JClassType objectType)
static boolean	hasGetAndSetMethods(com.google.gwt.core.ext.typeinfo.JField field, com.google.gwt.core.ext.typeinfo.JClassType clazz) Returns true is the given field has both a "get" and a "set" methods.
static boolean	hasGetMethod(com.google.gwt.core.ext.typeinfo.JField field, com.google.gwt.core.ext.typeinfo.JClassType clazz) Returns true is the given field has an associated public "get" method.
static boolean	hasSetMethod(com.google.gwt.core.ext.typeinfo.JField field, com.google.gwt.core.ext.typeinfo.JClassType clazz) Returns true is the given field has an associated public "set" method.
static boolean	isCollection(com.google.gwt.core.ext.typeinfo.JType type)
static boolean	isCompatibleTypes(com.google.gwt.core.ext.typeinfo.JType from, com.google.gwt.core.ext.typeinfo.JType to) Check if a type can be assigned to another
static boolean	isFullAccessibleField(com.google.gwt.core.ext.typeinfo.JField field, com.google.gwt.core.ext.typeinfo.JClassType clazz) Verify if the given field is fully accessible.
static boolean	isNumeric(com.google.gwt.core.ext.typeinfo.JType widgetPropertyType)
static boolean	isPropertyVisibleToRead(com.google.gwt.core.ext.typeinfo.JClassType voClass, com.google.gwt.core.ext.typeinfo.JField field, boolean allowProtected) Verify if the given field is a visible property
static boolean	isPropertyVisibleToWrite(com.google.gwt.core.ext.typeinfo.JClassType voClass, com.google.gwt.core.ext.typeinfo.JField field, boolean allowProtected) Verify if the given field is a visible property
static boolean	isSimpleType(com.google.gwt.core.ext.typeinfo.JType type)
static boolean	isValidGetterMethod(com.google.gwt.core.ext.typeinfo.JMethod method)
static boolean	isValidSetterMethod(com.google.gwt.core.ext.typeinfo.JMethod method)

Methods inherited from class java.lang.Object

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

Constructor Detail

JClassUtils

public JClassUtils()

Method Detail

buildGetValueExpression

public static com.google.gwt.core.ext.typeinfo.JType buildGetValueExpression(StringBuilder out,
                                                             com.google.gwt.core.ext.typeinfo.JClassType dtoType,
                                                             String propertyPath,
                                                             String objectVariable,
                                                             boolean finishCommand)
                                                                      throws NoSuchFieldException

Throws:

NoSuchFieldException

getType

public static com.google.gwt.core.ext.typeinfo.JClassType getType(com.google.gwt.core.ext.typeinfo.TypeOracle typeOracle,
                                                  String className)
                                                           throws com.google.gwt.core.ext.typeinfo.NotFoundException

Throws:

com.google.gwt.core.ext.typeinfo.NotFoundException

getType

public static com.google.gwt.core.ext.typeinfo.JClassType getType(com.google.gwt.core.ext.typeinfo.TypeOracle typeOracle,
                                                  String className,
                                                  String viewName)
                                                           throws com.google.gwt.core.ext.typeinfo.NotFoundException

Throws:

com.google.gwt.core.ext.typeinfo.NotFoundException

buildSetValueExpression

public static com.google.gwt.core.ext.typeinfo.JType buildSetValueExpression(AbstractProxyCreator.SourcePrinter out,
                                                             com.google.gwt.core.ext.typeinfo.JClassType dtoType,
                                                             String propertyPath,
                                                             String objectVariable,
                                                             String value)
                                                                      throws NoSuchFieldException

Throws:

NoSuchFieldException

buildSetValueExpression

public static com.google.gwt.core.ext.typeinfo.JType buildSetValueExpression(StringBuilder out,
                                                             com.google.gwt.core.ext.typeinfo.JClassType dtoType,
                                                             String propertyPath,
                                                             String objectVariable,
                                                             String value)
                                                                      throws NoSuchFieldException

Throws:

NoSuchFieldException

getGetterMethod

public static String getGetterMethod(String propertyName,
                     com.google.gwt.core.ext.typeinfo.JClassType baseClass)

Parameters:

propertyName -

baseClass -

Returns:

getSetterMethod

public static String getSetterMethod(String propertyName,
                     com.google.gwt.core.ext.typeinfo.JClassType baseClass,
                     com.google.gwt.core.ext.typeinfo.JType propertyType)

Parameters:

propertyName -

baseClass -

Returns:

getReturnTypeFromMethodClass

public static com.google.gwt.core.ext.typeinfo.JType getReturnTypeFromMethodClass(com.google.gwt.core.ext.typeinfo.JClassType clazz,
                                                                  String methodName,
                                                                  com.google.gwt.core.ext.typeinfo.JType[] params)

Parameters:

methodName -

Returns:

getMethod

public static com.google.gwt.core.ext.typeinfo.JMethod getMethod(com.google.gwt.core.ext.typeinfo.JClassType clazz,
                                                 String methodName,
                                                 com.google.gwt.core.ext.typeinfo.JType[] params)

Parameters:

clazz -

methodName -

params -

Returns:

getMethodOverInterfaces

public static com.google.gwt.core.ext.typeinfo.JMethod getMethodOverInterfaces(com.google.gwt.core.ext.typeinfo.JClassType clazz,
                                                               String methodName,
                                                               com.google.gwt.core.ext.typeinfo.JType[] params)

Look for methods over the interfaces.

Parameters:

clazz -

methodName -

params -

Returns:

getField

public static com.google.gwt.core.ext.typeinfo.JField getField(com.google.gwt.core.ext.typeinfo.JClassType clazz,
                                               String fieldName)

Retrieve a field from class. Searches also into the class hierarchy

Parameters:

clazz - class to search the field

fieldName - field name

Returns:

the field

findMethods

public static com.google.gwt.core.ext.typeinfo.JMethod[] findMethods(com.google.gwt.core.ext.typeinfo.JClassType clazz,
                                                     String methodName)

Parameters:

clazz -

methodName -

Returns:

findSetterMethods

public static com.google.gwt.core.ext.typeinfo.JMethod[] findSetterMethods(com.google.gwt.core.ext.typeinfo.JClassType clazz,
                                                           String propertyName)

Parameters:

clazz -

propertyName -

Returns:

getParsingExpressionForSimpleType

public static String getParsingExpressionForSimpleType(String valueVariable,
                                       com.google.gwt.core.ext.typeinfo.JType expectedType)
                                                throws com.google.gwt.core.ext.typeinfo.NotFoundException

Parameters:

valueVariable -

expectedType -

Returns:

Throws:

com.google.gwt.core.ext.typeinfo.NotFoundException

getDeclaredField

public static com.google.gwt.core.ext.typeinfo.JField getDeclaredField(com.google.gwt.core.ext.typeinfo.JClassType clazz,
                                                       String name)
                                                                throws NoSuchFieldException

Parameters:

clazz -

name -

Returns:

Throws:

NoSuchFieldException

getDeclaredFields

public static com.google.gwt.core.ext.typeinfo.JField[] getDeclaredFields(com.google.gwt.core.ext.typeinfo.JClassType clazz)

Parameters:

clazz -

Returns:

getMethodDescription

public static String getMethodDescription(com.google.gwt.core.ext.typeinfo.JMethod method)

Parameters:

method -

Returns:

getGenericDeclForType

public static String getGenericDeclForType(com.google.gwt.core.ext.typeinfo.JType type)

Returns a string to be used in generic code block, according with the given type

Parameters:

type -

Returns:

isSimpleType

public static boolean isSimpleType(com.google.gwt.core.ext.typeinfo.JType type)

Parameters:

type -

Returns:

hasGetAndSetMethods

public static boolean hasGetAndSetMethods(com.google.gwt.core.ext.typeinfo.JField field,
                          com.google.gwt.core.ext.typeinfo.JClassType clazz)

Returns true is the given field has both a "get" and a "set" methods.

Parameters:

clazz -

field -

Returns:

hasGetMethod

public static boolean hasGetMethod(com.google.gwt.core.ext.typeinfo.JField field,
                   com.google.gwt.core.ext.typeinfo.JClassType clazz)

Returns true is the given field has an associated public "get" method.

Parameters:

clazz -

field -

Returns:

hasSetMethod

public static boolean hasSetMethod(com.google.gwt.core.ext.typeinfo.JField field,
                   com.google.gwt.core.ext.typeinfo.JClassType clazz)

Returns true is the given field has an associated public "set" method.

Parameters:

field -

clazz -

Returns:

isFullAccessibleField

public static boolean isFullAccessibleField(com.google.gwt.core.ext.typeinfo.JField field,
                            com.google.gwt.core.ext.typeinfo.JClassType clazz)

Verify if the given field is fully accessible.

Parameters:

field -

clazz -

Returns:

true if the field is public or has associated "get" and "set" methods.

isPropertyVisibleToRead

public static boolean isPropertyVisibleToRead(com.google.gwt.core.ext.typeinfo.JClassType voClass,
                              com.google.gwt.core.ext.typeinfo.JField field,
                              boolean allowProtected)

Verify if the given field is a visible property

Parameters:

voClass -

field -

allowProtected -

Returns:

isPropertyVisibleToWrite

public static boolean isPropertyVisibleToWrite(com.google.gwt.core.ext.typeinfo.JClassType voClass,
                               com.google.gwt.core.ext.typeinfo.JField field,
                               boolean allowProtected)

Verify if the given field is a visible property

Parameters:

voClass -

field -

allowProtected -

Returns:

generateFieldValueSet

public static void generateFieldValueSet(com.google.gwt.core.ext.typeinfo.JClassType voClass,
                         com.google.gwt.core.ext.typeinfo.JField field,
                         String parentVariable,
                         String valueVariable,
                         AbstractProxyCreator.SourcePrinter sourceWriter,
                         boolean allowProtected)

Generates a property set block. First try to set the field directly, then try to use a javabean setter method.

Parameters:

logger -

voClass -

field -

parentVariable -

valueVariable -

sourceWriter -

getPropertyType

public static com.google.gwt.core.ext.typeinfo.JType getPropertyType(com.google.gwt.core.ext.typeinfo.JClassType clazz,
                                                     String propertyPath)

Retrieve the property type on the given class

Parameters:

clazz - base class

propertyPath - property path

Returns:

property type or null, if property is not present

getFieldValueGet

public static String getFieldValueGet(com.google.gwt.core.ext.typeinfo.JClassType clazz,
                      String propertyName,
                      String parentVariable,
                      boolean allowProtected)

Generates a property get block. First try to get the field directly, then try to use a javabean getter method.

Parameters:

clazz - class where the property will be searched.

propertyName - property name

parentVariable - the name of the parent variable to use in generated expression

allowProtected - if this expression allow protected fields and methods access

Returns:

an expression in the form <parentVar>.<propertyAccessor>

getFieldValueGet

@Deprecated
public static String getFieldValueGet(com.google.gwt.core.ext.typeinfo.JClassType voClass,
                                 com.google.gwt.core.ext.typeinfo.JField field,
                                 String parentVariable,
                                 boolean allowProtected)

Deprecated. Use getFieldValueGet(JClassType, String, String boolean) instead.

Generates a property get block. First try to get the field directly, then try to use a javabean getter method.

Parameters:

voClass -

field -

parentVariable -

allowProtected -

isValidSetterMethod

public static boolean isValidSetterMethod(com.google.gwt.core.ext.typeinfo.JMethod method)

isValidGetterMethod

public static boolean isValidGetterMethod(com.google.gwt.core.ext.typeinfo.JMethod method)

getPropertyForGetterOrSetterMethod

public static String getPropertyForGetterOrSetterMethod(com.google.gwt.core.ext.typeinfo.JMethod method)

getSetterMethods

public static List<com.google.gwt.core.ext.typeinfo.JMethod> getSetterMethods(com.google.gwt.core.ext.typeinfo.JClassType objectType)

getGetterMethods

public static List<com.google.gwt.core.ext.typeinfo.JMethod> getGetterMethods(com.google.gwt.core.ext.typeinfo.JClassType objectType)

extractBeanPropertiesInfo

public static JClassUtils.PropertyInfo[] extractBeanPropertiesInfo(com.google.gwt.core.ext.typeinfo.JClassType type)

getTypeForProperty

public static com.google.gwt.core.ext.typeinfo.JType getTypeForProperty(String property,
                                                        com.google.gwt.core.ext.typeinfo.JClassType objectType)

getNullSafeExpression

public static String getNullSafeExpression(String widgetExpression,
                           com.google.gwt.core.ext.typeinfo.JType propertyType,
                           String widgetVariable)

getEmptyValueForType

public static String getEmptyValueForType(com.google.gwt.core.ext.typeinfo.JType objectType)

getTypeArgForGenericType

public static com.google.gwt.core.ext.typeinfo.JClassType getTypeArgForGenericType(com.google.gwt.core.ext.typeinfo.JClassType type)

getActualParameterTypes

public static com.google.gwt.core.ext.typeinfo.JClassType[] getActualParameterTypes(com.google.gwt.core.ext.typeinfo.JClassType baseType,
                                                                    com.google.gwt.core.ext.typeinfo.JClassType desiredInterfaceType)

isCompatibleTypes

public static boolean isCompatibleTypes(com.google.gwt.core.ext.typeinfo.JType from,
                        com.google.gwt.core.ext.typeinfo.JType to)

Check if a type can be assigned to another

Parameters:

from -

to -

Returns:

isCollection

public static boolean isCollection(com.google.gwt.core.ext.typeinfo.JType type)

isNumeric

public static boolean isNumeric(com.google.gwt.core.ext.typeinfo.JType widgetPropertyType)