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java.lang.Object | +--org.apache.bcel.classfile.ConstantPool
This class represents the constant pool, i.e., a table of constants, of a parsed classfile. It may contain null references, due to the JVM specification that skips an entry after an 8-byte constant (double, long) entry. Those interested in generating constant pools programatically should see ConstantPoolGen.
Constant, 
ConstantPoolGen, 
Serialized Form| Constructor Summary | |
| ConstantPool(Constant[] constant_pool) | |
| Method Summary | |
|  void | accept(Visitor v)Called by objects that are traversing the nodes of the tree implicitely defined by the contents of a Java class. | 
|  java.lang.String | constantToString(Constant c)Resolve constant to a string representation. | 
|  java.lang.String | constantToString(int index,
                 byte tag)Retrieve constant at `index' from constant pool and resolve it to a string representation. | 
|  ConstantPool | copy() | 
|  void | dump(java.io.DataOutputStream file)Dump constant pool to file stream in binary format. | 
|  Constant | getConstant(int index)Get constant from constant pool. | 
|  Constant | getConstant(int index,
            byte tag)Get constant from constant pool and check whether it has the expected type. | 
|  Constant[] | getConstantPool() | 
|  java.lang.String | getConstantString(int index,
                  byte tag)Get string from constant pool and bypass the indirection of `ConstantClass' and `ConstantString' objects. | 
|  int | getLength() | 
|  void | setConstant(int index,
            Constant constant) | 
|  void | setConstantPool(Constant[] constant_pool) | 
|  java.lang.String | toString() | 
| Methods inherited from class java.lang.Object | 
| clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait | 
| Constructor Detail | 
public ConstantPool(Constant[] constant_pool)
constant_pool - Array of constants| Method Detail | 
public void accept(Visitor v)
accept in interface Nodev - Visitor object
public java.lang.String constantToString(Constant c)
                                  throws ClassFormatException
ClassFormatException
public java.lang.String constantToString(int index,
                                         byte tag)
                                  throws ClassFormatException
index - of constant in constant pooltag - expected type
ClassFormatException
public void dump(java.io.DataOutputStream file)
          throws java.io.IOException
file - Output file stream
java.io.IOExceptionpublic Constant getConstant(int index)
index - Index in constant pool
Constant
public Constant getConstant(int index,
                            byte tag)
                     throws ClassFormatException
index - Index in constant pooltag - Tag of expected constant, i.e., its type
ClassFormatExceptionConstantpublic Constant[] getConstantPool()
Constant
public java.lang.String getConstantString(int index,
                                          byte tag)
                                   throws ClassFormatException
index - Index in constant pooltag - Tag of expected constant, either ConstantClass or ConstantString
ClassFormatExceptionConstantClass, 
ConstantStringpublic int getLength()
public void setConstant(int index,
                        Constant constant)
constant - Constant to setpublic void setConstantPool(Constant[] constant_pool)
constant_pool - public java.lang.String toString()
toString in class java.lang.Objectpublic ConstantPool copy()
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