Represents an Attribute of an AttrContainer.
Various sub-classses are used for standard attributes,
or you can use MiscAttr for a generic attribute.
addToFrontOf
public void addToFrontOf(AttrContainer container)
Add this to (the front of) of the specified attribute container.
assignConstants
public static void assignConstants(AttrContainer container,
ClassType cl)
Add any needed constant pool entries for all attributes in a container.
Do any other cleanup needed before writing out a .class file.
assignConstants
public void assignConstants(ClassType cl)
Add any needed constant pool entries for this Attribute.
Overridden by sub-classes.
Do any other cleanup needed before writing out a .class file.
get
public static Attribute get(AttrContainer container,
String name)
Find an Attribute by name, in an attribute cointainer.
container
- the attribute container to searchname
- the (interned) name of the attribute we are seeking
- the matching Attribute, or null if the search failed.
getContainer
public final AttrContainer getContainer()
Return the Attribute container that contains this Attribute.
getLength
public abstract int getLength()
Return the length of the attribute in bytes.
Does not include the 6-byte header (for the name_index and the length).
getLengthAll
public static int getLengthAll(AttrContainer container)
Return the length of all the attributes (with headers) in bytes.
getName
public final String getName()
getNameIndex
public final int getNameIndex()
getNext
public final Attribute getNext()
Get the next Attribute belonging to getContainer().
isSkipped
public final boolean isSkipped()
Returns true if this attribute should be skipped on output.
setContainer
public final void setContainer(AttrContainer container)
setName
public final void setName(String name)
setNameIndex
public final void setNameIndex(int index)
setNext
public final void setNext(Attribute next)
Set the next Attribute in the chain belonging to getContainer().
setSkipped
public final void setSkipped()
Cause this attributed to be skipped on output.
setSkipped
public final void setSkipped(boolean skip)
Iff skip, cause this attributed to be skipped on output.
write
public abstract void write(DataOutputStream dstr)
throws java.io.IOException
Write out the contents of the Attribute.
Does not write the 6-byte attribute header.
writeAll
public static void writeAll(AttrContainer container,
DataOutputStream dstr)
throws java.io.IOException