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

Constructor Summary

JavaClassWriterHelper()

Method Summary

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

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void_

public static final String void_

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boolean_

public static final String boolean_

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byte_

public static final String byte_

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byteArray_

public static final String byteArray_

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param_

public static final String param_

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param0_

public static final String param0_

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null_

public static final String null_

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home_

public static final String home_

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delim_

public static final String delim_

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paramInitializer_

public static final String paramInitializer_

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paramSeparator_

public static final String paramSeparator_

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paramList_

public static final String paramList_

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paramConcatenator_

public static final String paramConcatenator_

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space_

public static final String space_

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none_

public static final String none_

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escapedEmptyString_

public static final String escapedEmptyString_

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dot_

public static final String dot_

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parenleft_

public static final String parenleft_

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parenright_

public static final String parenright_

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parenthesis_

public static final String parenthesis_

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new_

public static final String new_

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endLine_

public static final String endLine_

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true_

public static final String true_

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false_

public static final String false_

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Collection_

public static final String Collection_

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Set_

public static final String Set_

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PersistenceCapable_

public static final String PersistenceCapable_

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brackets_

public static final String brackets_

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get_

public static final String get_

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set_

public static final String set_

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Oid_

public static final String Oid_

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Helper_

public static final String Helper_

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returnNull_

public static final String returnNull_

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fileName_

public static final String fileName_

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int_

public static final String int_

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String_

public static final String String_

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Class_

public static final String Class_

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Date_

public static final String Date_

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SqlDate_

public static final String SqlDate_

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SqlTime_

public static final String SqlTime_

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SqlTimestamp_

public static final String SqlTimestamp_

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Object_

public static final String Object_

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super_

public static final String[] super_

Constructor Detail

JavaClassWriterHelper

public JavaClassWriterHelper()

Method Detail

getBodyAsStrings

public static String[] getBodyAsStrings(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 Class getWrapperType(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 String getWrapperExpr(Class exprType,
                                    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 String getUnwrapMethodName(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 String getPrimitiveType(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 String[] getExceptionNames(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 String getParameterTypesList(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 String getParametersList(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 String getParametersListWithSeparator(Method m,
                                                    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(String prop,
                             int modifiers,
                             JavaClassWriter writer)
                      throws 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:

IOException - if writer fails to add a field.

addPrivateField

public static void addPrivateField(String prop,
                                   int modifiers,
                                   JavaClassWriter writer)
                            throws 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:

IOException - if writer fails to add a field.

addGenericMethod

public static void addGenericMethod(String mname,
                                    String[] body,
                                    JavaClassWriter writer)
                             throws 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:

IOException - if writer fails to add a field.

addGenericMethod

public static void addGenericMethod(String mname,
                                    String type,
                                    String[] body,
                                    JavaClassWriter writer)
                             throws 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:

IOException - if writer fails to add a field.

addGenericMethod

public static void addGenericMethod(String mname,
                                    int modifiers,
                                    String[] body,
                                    JavaClassWriter writer)
                             throws 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:

IOException - if writer fails to add a field.

addGenericMethod

public static void addGenericMethod(String mname,
                                    int modifiers,
                                    String type,
                                    String[] body,
                                    JavaClassWriter writer)
                             throws 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:

IOException - if writer fails to add a field.

addGenericMethod

public static void addGenericMethod(Method m,
                                    String mname,
                                    String mtype,
                                    String body,
                                    JavaClassWriter writer)
                             throws 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:

IOException - if writer fails to add a field.

getTypeRepr

public static String getTypeRepr(Class clazz)

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