Module de.carne.mcd.jvmdecoder

Package de.carne.mcd.jvmdecoder.classfile.attribute

Class Attributes

java.lang.Object

de.carne.mcd.jvmdecoder.classfile.attribute.Attributes

public final class Attributes
extends java.lang.Object

Utility class providing Attribute related functions.

Method Summary

Modifier and Type	Method	Description
static void	print(java.util.List<? extends Attribute> attributes, ClassPrinter out, ClassContext context)	Prints a list of attributes.
static void	print(java.util.Optional<? extends Attribute> attribute, ClassPrinter out, ClassContext context)	Prints an optional attributes.
static <T extends Attribute> java.util.List<T>	resolveAttributes(java.util.List<Attribute> attributes, java.lang.Class<T> type)	Resolves all attributes of a specific type.
static <T extends Attribute> java.util.Optional<T>	resolveOptionalAttribute(java.util.List<Attribute> attributes, java.lang.Class<T> type)	Resolves an optional attribute.
static <T extends Attribute> T	resolveUniqueAttribute(java.util.List<Attribute> attributes, java.lang.Class<T> type)	Resolves a unique attribute.

Methods inherited from class java.lang.Object

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

Method Detail

resolveAttributes

public static <T extends Attribute> java.util.List<T> resolveAttributes(java.util.List<Attribute> attributes,
                                                                        java.lang.Class<T> type)

Resolves all attributes of a specific type.

Type Parameters:

T - the actual attribute type to resolve.

Parameters:

attributes - the attribute list to examine.

type - the attribute type to resolve.

Returns:

the resolved list of attribute objects (may be empty).

resolveUniqueAttribute

public static <T extends Attribute> T resolveUniqueAttribute(java.util.List<Attribute> attributes,
                                                             java.lang.Class<T> type)
                                                      throws java.io.IOException

Resolves a unique attribute.

Type Parameters:

T - the actual attribute type to resolve.

Parameters:

attributes - the attribute list to examine.

type - the attribute type to resolve.

Returns:

the resolved attribute instance.

Throws:

java.io.IOException - if the attribute does not exist or is not unique.

resolveOptionalAttribute

public static <T extends Attribute> java.util.Optional<T> resolveOptionalAttribute(java.util.List<Attribute> attributes,
                                                                                   java.lang.Class<T> type)
                                                                            throws java.io.IOException

Resolves an optional attribute.

Type Parameters:

T - the actual attribute type to resolve.

Parameters:

attributes - the attribute list to examine.

type - the attribute type to resolve.

Returns:

the resolved attribute instance.

Throws:

java.io.IOException - if the attribute is not unique.

print

public static void print(java.util.List<? extends Attribute> attributes,
                         ClassPrinter out,
                         ClassContext context)
                  throws java.io.IOException

Prints a list of attributes.

Parameters:

attributes - the attributes to print.

out - the ClassPrinter to print to.

context - the ClassContext to use for printing.

Throws:

java.io.IOException - if an I/O error occurs.

print

public static void print(java.util.Optional<? extends Attribute> attribute,
                         ClassPrinter out,
                         ClassContext context)
                  throws java.io.IOException

Prints an optional attributes.

Parameters:

attribute - the attributes to print.

out - the ClassPrinter to print to.

context - the ClassContext to use for printing.

Throws:

java.io.IOException - if an I/O error occurs.