com.sun.jdo.spi.persistence.utility.generator
Class JavaClassWriterHelper

java.lang.Object
  com.sun.jdo.spi.persistence.utility.JavaTypeHelper
      com.sun.jdo.spi.persistence.utility.generator.JavaClassWriterHelper

public class JavaClassWriterHelper
extends JavaTypeHelper

Field Summary

static java.lang.String	boolean_
static java.lang.String	brackets_
static java.lang.String	byte_
static java.lang.String	byteArray_
static java.lang.String	Class_
static java.lang.String	Collection_
static java.lang.String	Date_
static java.lang.String	delim_
static java.lang.String	dot_
static java.lang.String	endLine_
static java.lang.String	escapedEmptyString_
static java.lang.String	false_
static java.lang.String	fileName_
static java.lang.String	get_
static java.lang.String	Helper_
static java.lang.String	home_
static java.lang.String	int_
static java.lang.String	javaExtension_
static java.lang.String	new_
static java.lang.String	none_
static java.lang.String	null_
static java.lang.String	Object_
static java.lang.String	Oid_
static java.lang.String	param_
static java.lang.String	param0_
static java.lang.String	paramConcatenator_
static java.lang.String	paramInitializer_
static java.lang.String	paramList_
static java.lang.String	paramSeparator_
static java.lang.String	parenleft_
static java.lang.String	parenright_
static java.lang.String	parenthesis_
static java.lang.String	PersistenceCapable_
static java.lang.String	returnNull_
static java.lang.String	set_
static java.lang.String	Set_
static java.lang.String	space_
static java.lang.String	SqlDate_
static java.lang.String	SqlTime_
static java.lang.String	SqlTimestamp_
static java.lang.String	String_
static java.lang.String[]	super_
static java.lang.String	true_
static java.lang.String	void_

Constructor Summary

JavaClassWriterHelper()

Method Summary

static void	addFields(java.lang.String prop, int modifiers, JavaClassWriter writer) Adds fields to a class parsing the multi-String property.
static void	addGenericMethod(java.lang.reflect.Method m, java.lang.String mname, java.lang.String mtype, java.lang.String body, JavaClassWriter writer) Adds a method to a class parsing the multi-String property.
static void	addGenericMethod(java.lang.String mname, int modifiers, java.lang.String[] body, JavaClassWriter writer) Adds a private void no-args method to a class with this method body and modifiers.
static void	addGenericMethod(java.lang.String mname, int modifiers, java.lang.String type, java.lang.String[] body, JavaClassWriter writer) Adds a private void no-args method to a class with this method body, modifiers, and return type.
static void	addGenericMethod(java.lang.String mname, java.lang.String[] body, JavaClassWriter writer) Adds a private void no-args method to a class with this method body.
static void	addGenericMethod(java.lang.String mname, java.lang.String type, java.lang.String[] body, JavaClassWriter writer) Adds a private no-args method to a class with this method body and return type.
static void	addPrivateField(java.lang.String prop, int modifiers, JavaClassWriter writer) Adds private fields to a class parsing the multi-String property.
static java.lang.String[]	getBodyAsStrings(java.lang.String body) Converts method body into String array.
static java.lang.String[]	getExceptionNames(java.lang.reflect.Method m) Returns exception type names as String[].
static java.lang.String	getParametersList(java.lang.reflect.Method m) Returns list of method parameters in format param0[, param1[,...]]
static java.lang.String	getParametersListWithSeparator(java.lang.reflect.Method m, java.lang.String sep) Returns list of method parameters delimited by specified separator
static java.lang.String	getParameterTypesList(java.lang.reflect.Method m) Returns list of method parameter types in format type0[,type1[,...]]
static java.lang.String	getPrimitiveType(java.lang.Class cls) Returns name of the primitive type corresponding to the Object wrapper Class passed as a parameter.
static java.lang.String	getTypeRepr(java.lang.Class clazz) Returns the String representation of the specified class instance.
static java.lang.String	getUnwrapMethodName(java.lang.Class primitiveType) Returns the name of the method to access the value of the primitive type of the wrapper class.
static java.lang.String	getWrapperExpr(java.lang.Class exprType, java.lang.String expr) A helper method which generates an expression to wrap a primitive datatype to its corresponding wrapper class.
static java.lang.Class	getWrapperType(java.lang.Class cls) Returns java Object wrapper Class corresponding to the primitive Class if the passed class represents a primitive.

Methods inherited from class com.sun.jdo.spi.persistence.utility.JavaTypeHelper

getPackageName, getPrimitiveClass, getPrimitiveName, getShortClassName, getWrapperClass, getWrapperName, valueOf

Methods inherited from class java.lang.Object

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

Field Detail

javaExtension_

public static final java.lang.String javaExtension_

See Also:

Constant Field Values

void_

public static final java.lang.String void_

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Constant Field Values

boolean_

public static final java.lang.String boolean_

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byte_

public static final java.lang.String byte_

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byteArray_

public static final java.lang.String byteArray_

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param_

public static final java.lang.String param_

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param0_

public static final java.lang.String param0_

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null_

public static final java.lang.String null_

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home_

public static final java.lang.String home_

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delim_

public static final java.lang.String delim_

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paramInitializer_

public static final java.lang.String paramInitializer_

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Constant Field Values

paramSeparator_

public static final java.lang.String paramSeparator_

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paramList_

public static final java.lang.String paramList_

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paramConcatenator_

public static final java.lang.String paramConcatenator_

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space_

public static final java.lang.String space_

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none_

public static final java.lang.String none_

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escapedEmptyString_

public static final java.lang.String escapedEmptyString_

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Constant Field Values

dot_

public static final java.lang.String dot_

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parenleft_

public static final java.lang.String parenleft_

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parenright_

public static final java.lang.String parenright_

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parenthesis_

public static final java.lang.String parenthesis_

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new_

public static final java.lang.String new_

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endLine_

public static final java.lang.String endLine_

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true_

public static final java.lang.String true_

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false_

public static final java.lang.String false_

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Collection_

public static final java.lang.String Collection_

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Set_

public static final java.lang.String Set_

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PersistenceCapable_

public static final java.lang.String PersistenceCapable_

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brackets_

public static final java.lang.String brackets_

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get_

public static final java.lang.String get_

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set_

public static final java.lang.String set_

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Oid_

public static final java.lang.String Oid_

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Constant Field Values

Helper_

public static final java.lang.String Helper_

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returnNull_

public static final java.lang.String returnNull_

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fileName_

public static final java.lang.String fileName_

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int_

public static final java.lang.String int_

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String_

public static final java.lang.String String_

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Class_

public static final java.lang.String Class_

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Date_

public static final java.lang.String Date_

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SqlDate_

public static final java.lang.String SqlDate_

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SqlTime_

public static final java.lang.String SqlTime_

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SqlTimestamp_

public static final java.lang.String SqlTimestamp_

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Object_

public static final java.lang.String Object_

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super_

public static final java.lang.String[] super_

Constructor Detail

JavaClassWriterHelper

public JavaClassWriterHelper()

Method Detail

getBodyAsStrings

public static java.lang.String[] getBodyAsStrings(java.lang.String body)

Converts method body into String array.

Parameters:

body - as String with each substring separated by "\n"

Returns:

method body as String array.

getWrapperType

public static java.lang.Class getWrapperType(java.lang.Class cls)

Returns java Object wrapper Class corresponding to the primitive Class if the passed class represents a primitive. If the parameter is of Object type, it is returned.

Parameters:

cls - the primitive Class to find Object wrapper for.

Returns:

Object type Class.

getWrapperExpr

public static java.lang.String getWrapperExpr(java.lang.Class exprType,
                                              java.lang.String expr)

A helper method which generates an expression to wrap a primitive datatype to its corresponding wrapper class.

Parameters:

exprType - The class of the primitive type

expr - The expression representing a primtive typevalue

Returns:

A String containing the expression for wrapping the primitive datatype in its corresponding wrapperclass

getUnwrapMethodName

public static java.lang.String getUnwrapMethodName(java.lang.Class primitiveType)

Returns the name of the method to access the value of the primitive type of the wrapper class. example: boolean.class is mapped to "booleanValue()".

Parameters:

primitiveType - the class object of the primitive type.

Returns:

the name of the method to access the primitive value of the wrapper

getPrimitiveType

public static java.lang.String getPrimitiveType(java.lang.Class cls)

Returns name of the primitive type corresponding to the Object wrapper Class passed as a parameter. If the parameter is of primitive type, its name is returned.

Parameters:

cls - the Object wrapper Class to find name of the primitive type for.

Returns:

name of the primitive type as String.

getExceptionNames

public static java.lang.String[] getExceptionNames(java.lang.reflect.Method m)

Returns exception type names as String[].

Parameters:

m - the Method to identify exception types for.

Returns:

exception type names as String[].

getParameterTypesList

public static java.lang.String getParameterTypesList(java.lang.reflect.Method m)

Returns list of method parameter types in format type0[,type1[,...]]

Parameters:

m - the Method to identify list of method parameters for.

Returns:

list of method parameter types as String

getParametersList

public static java.lang.String getParametersList(java.lang.reflect.Method m)

Returns list of method parameters in format param0[, param1[,...]]

Parameters:

m - the Method to identify list of method parameters for.

Returns:

list of method parameters as String

getParametersListWithSeparator

public static java.lang.String getParametersListWithSeparator(java.lang.reflect.Method m,
                                                              java.lang.String sep)

Returns list of method parameters delimited by specified separator

Parameters:

m - the Method to identify list of method parameters for.

sep - the separator to be used to delimit the parameter names

Returns:

list of method parameters as String

addFields

public static void addFields(java.lang.String prop,
                             int modifiers,
                             JavaClassWriter writer)
                      throws java.io.IOException

Adds fields to a class parsing the multi-String property.

Parameters:

prop - String to use for field generation.

modifiers - other field modifiers for these fields.

writer - the Class writer.

Throws:

java.io.IOException - if writer fails to add a field.

addPrivateField

public static void addPrivateField(java.lang.String prop,
                                   int modifiers,
                                   JavaClassWriter writer)
                            throws java.io.IOException

Adds private fields to a class parsing the multi-String property.

Parameters:

prop - String to use for field generation.

modifiers - field modifiers for these fields.

Throws:

java.io.IOException - if writer fails to add a field.

addGenericMethod

public static void addGenericMethod(java.lang.String mname,
                                    java.lang.String[] body,
                                    JavaClassWriter writer)
                             throws java.io.IOException

Adds a private void no-args method to a class with this method body.

Parameters:

mname - method name

body - the method body as String[]

Throws:

java.io.IOException - if writer fails to add a field.

addGenericMethod

public static void addGenericMethod(java.lang.String mname,
                                    java.lang.String type,
                                    java.lang.String[] body,
                                    JavaClassWriter writer)
                             throws java.io.IOException

Adds a private no-args method to a class with this method body and return type.

Parameters:

mname - method name

type - return type of the method

body - the method body as String[]

Throws:

java.io.IOException - if writer fails to add a field.

addGenericMethod

public static void addGenericMethod(java.lang.String mname,
                                    int modifiers,
                                    java.lang.String[] body,
                                    JavaClassWriter writer)
                             throws java.io.IOException

Adds a private void no-args method to a class with this method body and modifiers.

Parameters:

mname - method name

modifiers - the method modifiers

body - the method body as String[]

Throws:

java.io.IOException - if writer fails to add a field.

addGenericMethod

public static void addGenericMethod(java.lang.String mname,
                                    int modifiers,
                                    java.lang.String type,
                                    java.lang.String[] body,
                                    JavaClassWriter writer)
                             throws java.io.IOException

Adds a private void no-args method to a class with this method body, modifiers, and return type.

Parameters:

mname - method name

modifiers - the method modifiers

type - return type of the method

body - the method body as String[]

Throws:

java.io.IOException - if writer fails to add a field.

addGenericMethod

public static void addGenericMethod(java.lang.reflect.Method m,
                                    java.lang.String mname,
                                    java.lang.String mtype,
                                    java.lang.String body,
                                    JavaClassWriter writer)
                             throws java.io.IOException

Adds a method to a class parsing the multi-String property.

Parameters:

m - Method that describes one to be added to the bean.

mname - method name if different from Method#getName(). This will be true for finder/selector/create methods.

mtype - return type of the method, that can differ from the bean's local or remote interface.

body - String to use for method body generation.

Throws:

java.io.IOException - if writer fails to add a field.

getTypeRepr

public static java.lang.String getTypeRepr(java.lang.Class clazz)

Returns the String representation of the specified class instance. An array is represented as the name of the element type followed by [].