Package net.sf.json.util

Class JavaIdentifierTransformer

java.lang.Object

net.sf.json.util.JavaIdentifierTransformer

public abstract class JavaIdentifierTransformer
extends Object

Transforms a string into a valid Java identifier.
There are five predefined strategies:

• NOOP: does not perform transformation.
• CAMEL_CASE: follows the camel case convention, deletes non JavaIdentifierPart chars (including whitespace).
• UNDERSCORE: replaces sequences of non JavaIdentifierPart chars (including whitespace) with single '_' separators.
• WHITESPACE: deletes non JavaIdentifierPart chars (including whitespace).
• STRICT: always throws a JSONException, does not perform transformation.

Author:

Andres Almiray aalmiray@users.sourceforge.net

Field Summary

Fields

Modifier and Type	Field	Description
static final JavaIdentifierTransformer	CAMEL_CASE	CamelCase transformer 'camel case' =gt; 'camelCase'
static final JavaIdentifierTransformer	NOOP	Noop transformer '@invalid' => '@invalid'
static final JavaIdentifierTransformer	STRICT	Strict transformer '@invalid' => JSONException
static final JavaIdentifierTransformer	UNDERSCORE	Underscore transformer 'under score' => 'under_score'
static final JavaIdentifierTransformer	WHITESPACE	Whitespace transformer 'white space' => 'whitespace'

Constructor Summary

Constructors

Constructor	Description
JavaIdentifierTransformer()

Method Summary

Modifier and Type	Method	Description
protected final String	shaveOffNonJavaIdentifierStartChars(String str)	Removes all non JavaIdentifier chars from the start of the string.
abstract String	transformToJavaIdentifier(String str)

Methods inherited from class java.lang.Object

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

Field Details

CAMEL_CASE

public static final JavaIdentifierTransformer CAMEL_CASE

CamelCase transformer 'camel case' =gt; 'camelCase'

NOOP

public static final JavaIdentifierTransformer NOOP

Noop transformer '@invalid' => '@invalid'

STRICT

public static final JavaIdentifierTransformer STRICT

Strict transformer '@invalid' => JSONException

UNDERSCORE

public static final JavaIdentifierTransformer UNDERSCORE

Underscore transformer 'under score' => 'under_score'

WHITESPACE

public static final JavaIdentifierTransformer WHITESPACE

Whitespace transformer 'white space' => 'whitespace'

Constructor Details

JavaIdentifierTransformer

public JavaIdentifierTransformer()

Method Details

transformToJavaIdentifier

public abstract String transformToJavaIdentifier(String str)

shaveOffNonJavaIdentifierStartChars

protected final String shaveOffNonJavaIdentifierStartChars(String str)

Removes all non JavaIdentifier chars from the start of the string.

Throws:

JSONException - if the resulting string has zero length.