org.apache.openjpa.persistence.util

Class SourceCode

java.lang.Object

org.apache.openjpa.persistence.util.SourceCode

public class SourceCode
extends Object

A utility to help writing Java Source code dynamically. Provides basic elements of Java Source Code e.g. Package, Class, Field, Method, Import, Annotation, Argument. Mutator methods return the operating element for easy chaining.

Since:

2.0.0

Author:

Pinaki Poddar

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SourceCode.ACCESS
class	SourceCode.Annotation Represents annotation.
class	SourceCode.Argument<K,V> Represents method argument.
class	SourceCode.Class Represent class declaration.
class	SourceCode.Constructor
class	SourceCode.Element<T> Abstract element has a name, optional list of modifiers, annotations and arguments.
class	SourceCode.Field Represents field declaration.
class	SourceCode.Method Represents Method declaration.

Field Summary

Fields

Modifier and Type	Field and Description
static String	COMMA
static String	DOT
static String	EQUAL
static String	QUOTE

Constructor Summary

Constructors

Constructor and Description
SourceCode(String c) Create source code for a top-level class with given fully-qualified class name.

Method Summary

Methods

Modifier and Type	Method and Description
SourceCode	addComment(boolean inline, String... lines)
org.apache.openjpa.persistence.util.SourceCode.ClassName	getOrCreateImport(String name) Get the class name instance for the given fully-qualified class name.
org.apache.openjpa.persistence.util.SourceCode.Package	getPackage()
SourceCode.Class	getTopLevelClass() Gets the top level class represented by this receiver.
static boolean	isJavaIdentifier(String s)
static boolean	isKnownType(String s)
SourceCode	setTabSize(int t) Sets the tab size.
static String[]	wrap(String longLine, int width) Wraps the given string into lines of max length width at word boundaries
void	write(PrintWriter out) Prints the class to the given Writer.

Methods inherited from class java.lang.Object

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

Field Detail

COMMA

public static final String COMMA

See Also:

Constant Field Values

DOT

public static final String DOT

See Also:

Constant Field Values

EQUAL

public static final String EQUAL

See Also:

Constant Field Values

QUOTE

public static final String QUOTE

See Also:

Constant Field Values

Constructor Detail

SourceCode

public SourceCode(String c)

Create source code for a top-level class with given fully-qualified class name.

Method Detail

getTopLevelClass

public SourceCode.Class getTopLevelClass()

Gets the top level class represented by this receiver.

getPackage

public org.apache.openjpa.persistence.util.SourceCode.Package getPackage()

setTabSize

public SourceCode setTabSize(int t)

Sets the tab size. Tabs are always written as spaces.

getOrCreateImport

public org.apache.openjpa.persistence.util.SourceCode.ClassName getOrCreateImport(String name)

Get the class name instance for the given fully-qualified class name. If the given class name is already imported, then use the existing instance. Otherwise, creates a new instance and adds it to list of imports.

Parameters:

name - fully-qualified name of a class

Returns:

an existing class name instance or a new one.

See Also:

addImport(ClassName), ClassName

addComment

public SourceCode addComment(boolean inline,
                    String... lines)

write

public void write(PrintWriter out)

Prints the class to the given Writer.

Parameters:

out -

wrap

public static String[] wrap(String longLine,
            int width)

Wraps the given string into lines of max length width at word boundaries

isKnownType

public static boolean isKnownType(String s)

isJavaIdentifier

public static boolean isJavaIdentifier(String s)