com.claritysys.jvm.classfile
Class CfEntry

java.lang.Object
  com.claritysys.jvm.classfile.CfEntry

Direct Known Subclasses:

CfFieldOrMethod, ClassFile

public abstract class CfEntry
extends java.lang.Object

An entry of a classfile, i.e. a Class, Method, or Field - all of which have an "access_flags" attribute describing public, protected, native, static, etc. Also, each of this is a container for attributes.

Convenience methods are provided for testing and setting individual bits within the field.

Constructor Summary

CfEntry()
Create a new entry with no initial value for the access flags.

CfEntry(int accessFlags)
Create a new entry with the given access flags.

Method Summary

int	getAccessFlags() Return the access flags, as an int.
int	getAttributeCount() Count the number of Attributes in getAttributes.
Attribute	getAttributes() Return the optional linked list of unknown attributes.
boolean	isAbstract() Return whether the ACC_ABSTRACT access flag is set.
boolean	isDeprecated() Return whether the member is deprecated.
boolean	isFinal() Return whether the ACC_FINAL access flag is set.
boolean	isInterface() Return whether the ACC_INTERFACE access flag is set.
boolean	isNative() Return whether the ACC_NATIVE access flag is set.
boolean	isPrivate() Return whether the ACC_PRIVATE flag is set.
boolean	isProtected() Return whether the ACC_PROTECTED access flag is set.
boolean	isPublic() Return whether the ACC_PUBLIC flag is set.
boolean	isStatic() Return whether the ACC_STATIC access flag is set.
boolean	isStrict() Return whether the ACC_STRICT access flag is set.
boolean	isSynchronized() Return whether the ACC_SYNCHRONIZED access flag is set.
boolean	isTransient() Return whether the ACC_TRANSIENT access flag is set.
boolean	isVolatile() Return whether the ACC_VOLATILE access flag is set.
void	setAbstract(boolean flag) Set or clear the ACC_ABSTRACT access flag.
void	setAccessFlags(int accessFlags) Set the access flags, overriding any previously set flags.
void	setAttributes(Attribute attributes) Set optional linked list of unknown attributes.
void	setDeprecated(boolean deprecated) Set whether the member is deprecated.
void	setFinal(boolean flag) Set or clear the ACC_FINAL access flag.
void	setInterface(boolean flag) Set or clear the ACC_INTERFACE access flag.
void	setNative(boolean flag) Set or clear the ACC_NATIVE access flag.
void	setPrivate(boolean flag) Set or clear the ACC_PRIVATE access flag.
void	setProtected(boolean flag) Set or clear the ACC_PROTECTED access flag.
void	setPublic(boolean flag) Set or clear the ACC_PUBLIC access flag.
void	setStatic(boolean flag) Set or clear the ACC_STATIC access flag.
void	setStrict(boolean flag) Set or clear the ACC_STRICT access flag.
void	setSynchronized(boolean flag) Set or clear the ACC_SYNCHRONIZED access flag.
void	setTransient(boolean flag) Set or clear the ACC_TRANSIENT access flag.
void	setVolatile(boolean flag) Set or clear the ACC_VOLATILE access flag.

Methods inherited from class java.lang.Object

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

Constructor Detail

CfEntry

public CfEntry()

Create a new entry with no initial value for the access flags.

CfEntry

public CfEntry(int accessFlags)

Create a new entry with the given access flags.

Method Detail

getAccessFlags

public final int getAccessFlags()

Return the access flags, as an int.

The access flags is a union of JVM.ACC_XXX values.

setAccessFlags

public final void setAccessFlags(int accessFlags)

Set the access flags, overriding any previously set flags.

Use the constant JVM.ACC_XXX values, for example:

   setAccessFlags (JVM.ACC_PUBLIC | JVM.ACC_FINAL);
 

setPublic

public final void setPublic(boolean flag)

Set or clear the ACC_PUBLIC access flag.

isPublic

public final boolean isPublic()

Return whether the ACC_PUBLIC flag is set.

setPrivate

public final void setPrivate(boolean flag)

Set or clear the ACC_PRIVATE access flag.

isPrivate

public final boolean isPrivate()

Return whether the ACC_PRIVATE flag is set.

setProtected

public final void setProtected(boolean flag)

Set or clear the ACC_PROTECTED access flag.

isProtected

public final boolean isProtected()

Return whether the ACC_PROTECTED access flag is set.

setStatic

public final void setStatic(boolean flag)

Set or clear the ACC_STATIC access flag.

isStatic

public final boolean isStatic()

Return whether the ACC_STATIC access flag is set.

setFinal

public final void setFinal(boolean flag)

Set or clear the ACC_FINAL access flag.

isFinal

public final boolean isFinal()

Return whether the ACC_FINAL access flag is set.

setSynchronized

public final void setSynchronized(boolean flag)

Set or clear the ACC_SYNCHRONIZED access flag.

isSynchronized

public final boolean isSynchronized()

Return whether the ACC_SYNCHRONIZED access flag is set.

setVolatile

public final void setVolatile(boolean flag)

Set or clear the ACC_VOLATILE access flag.

isVolatile

public final boolean isVolatile()

Return whether the ACC_VOLATILE access flag is set.

setTransient

public final void setTransient(boolean flag)

Set or clear the ACC_TRANSIENT access flag.

isTransient

public final boolean isTransient()

Return whether the ACC_TRANSIENT access flag is set.

setNative

public final void setNative(boolean flag)

Set or clear the ACC_NATIVE access flag.

isNative

public final boolean isNative()

Return whether the ACC_NATIVE access flag is set.

setInterface

public final void setInterface(boolean flag)

Set or clear the ACC_INTERFACE access flag.

isInterface

public final boolean isInterface()

Return whether the ACC_INTERFACE access flag is set.

setAbstract

public final void setAbstract(boolean flag)

Set or clear the ACC_ABSTRACT access flag.

isAbstract

public final boolean isAbstract()

Return whether the ACC_ABSTRACT access flag is set.

setStrict

public final void setStrict(boolean flag)

Set or clear the ACC_STRICT access flag.

isStrict

public final boolean isStrict()

Return whether the ACC_STRICT access flag is set.

isDeprecated

public boolean isDeprecated()

Return whether the member is deprecated.

In the classfile this is represented by an attribute.

Returns:

whether the member is deprecated.

setDeprecated

public void setDeprecated(boolean deprecated)

Set whether the member is deprecated.

In the classfile this is represented by an attribute.

Parameters:

deprecated - whether the member is deprecated.

getAttributes

public Attribute getAttributes()

Return the optional linked list of unknown attributes.

Returns:

optional linked list of unknown attributes.

setAttributes

public void setAttributes(Attribute attributes)

Set optional linked list of unknown attributes.

Parameters:

attributes - optional linked list of unknown attributes.

getAttributeCount

public int getAttributeCount()

Count the number of Attributes in getAttributes.

Returns:

count of Attributes, >= 0.