Package org.apache.bcel.classfile
Class Signature
java.lang.Object
org.apache.bcel.classfile.Attribute
org.apache.bcel.classfile.Signature
This class is derived from Attribute and represents a reference to a GJ attribute.
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Nested Class Summary
Nested ClassesModifier and TypeClassDescriptionprivate static final class
Extends ByteArrayInputStream to make 'unreading' chars possible. -
Field Summary
FieldsFields inherited from class org.apache.bcel.classfile.Attribute
constant_pool, EMPTY_ARRAY, length, name_index, tag
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Constructor Summary
ConstructorsConstructorDescriptionSignature
(int nameIndex, int length, int signatureIndex, ConstantPool constantPool) Signature
(int nameIndex, int length, DataInput input, ConstantPool constantPool) Constructs object from file stream.Initialize from another object. -
Method Summary
Modifier and TypeMethodDescriptionvoid
Called by objects that are traversing the nodes of the tree implicitly defined by the contents of a Java class.copy
(ConstantPool constantPool) void
dump
(DataOutputStream file) Dump source file attribute to file stream in binary format.int
private static boolean
identStart
(int ch) static boolean
static boolean
private static void
private static void
void
setSignatureIndex
(int signatureIndex) toString()
static String
Methods inherited from class org.apache.bcel.classfile.Attribute
addAttributeReader, addAttributeReader, clone, getConstantPool, getLength, getName, getNameIndex, getTag, println, readAttribute, readAttribute, removeAttributeReader, setConstantPool, setLength, setNameIndex
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Field Details
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signatureIndex
private int signatureIndex
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Constructor Details
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Signature
Signature(int nameIndex, int length, DataInput input, ConstantPool constantPool) throws IOException Constructs object from file stream.- Parameters:
nameIndex
- Index in constant pool to CONSTANT_Utf8length
- Content length in bytesinput
- Input streamconstantPool
- Array of constants- Throws:
IOException
- if an I/O error occurs.
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Signature
- Parameters:
nameIndex
- Index in constant pool to CONSTANT_Utf8length
- Content length in bytessignatureIndex
- Index in constant pool to CONSTANT_Utf8constantPool
- Array of constants
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Signature
Initialize from another object. Note that both objects use the same references (shallow copy). Use clone() for a physical copy.- Parameters:
c
- Source to copy.
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Method Details
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identStart
private static boolean identStart(int ch) -
isActualParameterList
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isFormalParameterList
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matchGJIdent
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matchIdent
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translate
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accept
Called by objects that are traversing the nodes of the tree implicitly defined by the contents of a Java class. I.e., the hierarchy of methods, fields, attributes, etc. spawns a tree of objects. -
copy
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dump
Dump source file attribute to file stream in binary format.- Overrides:
dump
in classAttribute
- Parameters:
file
- Output file stream- Throws:
IOException
- if an I/O error occurs.
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getSignature
- Returns:
- GJ signature.
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getSignatureIndex
public int getSignatureIndex()- Returns:
- Index in constant pool of source file name.
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setSignatureIndex
public void setSignatureIndex(int signatureIndex) - Parameters:
signatureIndex
- the index info the constant pool of this signature
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toString
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