Package org.aspectj.org.eclipse.jdt.internal.compiler.classfmt

Class ExternalAnnotationProvider

java.lang.Object

org.aspectj.org.eclipse.jdt.internal.compiler.classfmt.ExternalAnnotationProvider

public class ExternalAnnotationProvider
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	ExternalAnnotationProvider.IMethodAnnotationWalker
class	ExternalAnnotationProvider.TypeParametersAnnotationWalker	Walker that may serve the annotations on type parameters of the current class or method.

Field Summary

Fields

Modifier and Type	Field	Description
static String	ANNOTATION_FILE_EXTENSION
static String	ANNOTATION_FILE_SUFFIX
static String	CLASS_PREFIX
static char	NO_ANNOTATION	Represents absence of a null annotation.
static char	NONNULL	Representation of a 'nonnull' annotation, independent of the concrete annotation name used in Java sources.
static char	NULLABLE	Representation of a 'nullable' annotation, independent of the concrete annotation name used in Java sources.
static String	SUPER_PREFIX

Constructor Summary

Constructors

Constructor	Description
ExternalAnnotationProvider(InputStream input, String typeName)	Create and initialize.

Method Summary

Modifier and Type	Method	Description
static void	assertClassHeader(String line, String typeName)	Assert that the given line is a class header for 'typeName' (slash-separated qualified name).
static String	extractSignature(String line)	Extract the signature from a line of an external annotation file.
ITypeAnnotationWalker	forField(char[] selector, char[] signature, LookupEnvironment environment)
ITypeAnnotationWalker	forMethod(char[] selector, char[] signature, LookupEnvironment environment)
ITypeAnnotationWalker	forTypeHeader(LookupEnvironment environment)
String	toString()
protected static String	trimTail(String line)	Lines may contain arbitrary trailing data, separated by white space.

Methods inherited from class java.lang.Object

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

Field Details

ANNOTATION_FILE_EXTENSION

public static final String ANNOTATION_FILE_EXTENSION

See Also:

Constant Field Values

CLASS_PREFIX

public static final String CLASS_PREFIX

See Also:

Constant Field Values

SUPER_PREFIX

public static final String SUPER_PREFIX

See Also:

Constant Field Values

NULLABLE

public static final char NULLABLE

Representation of a 'nullable' annotation, independent of the concrete annotation name used in Java sources.

See Also:

Constant Field Values

NONNULL

public static final char NONNULL

Representation of a 'nonnull' annotation, independent of the concrete annotation name used in Java sources.

See Also:

Constant Field Values

NO_ANNOTATION

public static final char NO_ANNOTATION

Represents absence of a null annotation. Useful for removing an existing null annotation. This character is used only internally, it is not part of the Eclipse External Annotation file format.

See Also:

Constant Field Values

ANNOTATION_FILE_SUFFIX

public static final String ANNOTATION_FILE_SUFFIX

See Also:

Constant Field Values

Constructor Details

ExternalAnnotationProvider

public ExternalAnnotationProvider(InputStream input,
 String typeName)
                           throws IOException

Create and initialize.

Parameters:

input - open input stream to read the annotations from, will be closed by the constructor.

typeName - slash-separated qualified name of a type

Throws:

IOException - various issues when accessing the annotation file

Method Details

assertClassHeader

public static void assertClassHeader(String line,
 String typeName)
                              throws IOException

Assert that the given line is a class header for 'typeName' (slash-separated qualified name).

Throws:

IOException

extractSignature

public static String extractSignature(String line)

Extract the signature from a line of an external annotation file. Answers null if line is not in the expected format.

trimTail

protected static String trimTail(String line)

Lines may contain arbitrary trailing data, separated by white space.

forTypeHeader

public ITypeAnnotationWalker forTypeHeader(LookupEnvironment environment)

forMethod

public ITypeAnnotationWalker forMethod(char[] selector,
 char[] signature,
 LookupEnvironment environment)

forField

public ITypeAnnotationWalker forField(char[] selector,
 char[] signature,
 LookupEnvironment environment)

toString

public String toString()

Overrides:

toString in class Object