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java.lang.Object | +--org.apache.tools.ant.taskdefs.optional.depend.constantpool.ConstantPool
The constant pool of a Java class. The constant pool is a collection of constants used in a Java class file. It stores strings, constant values, class names, method names, field names etc.
| Constructor Summary | |
ConstantPool()
Initialise the constant pool. |
|
| Method Summary | |
int |
addEntry(ConstantPoolEntry entry)
Add an entry to the constant pool. |
int |
getClassEntry(java.lang.String className)
Get the index of a given CONSTANT_CLASS entry in the constant pool. |
int |
getConstantEntry(java.lang.Object constantValue)
Get the index of a given constant value entry in the constant pool. |
ConstantPoolEntry |
getEntry(int index)
Get an constant pool entry at a particular index. |
int |
getFieldRefEntry(java.lang.String fieldClassName,
java.lang.String fieldName,
java.lang.String fieldType)
Get the index of a given CONSTANT_FIELDREF entry in the constant pool. |
int |
getInterfaceMethodRefEntry(java.lang.String interfaceMethodClassName,
java.lang.String interfaceMethodName,
java.lang.String interfaceMethodType)
Get the index of a given CONSTANT_INTERFACEMETHODREF entry in the constant pool. |
int |
getMethodRefEntry(java.lang.String methodClassName,
java.lang.String methodName,
java.lang.String methodType)
Get the index of a given CONSTANT_METHODREF entry in the constant pool. |
int |
getNameAndTypeEntry(java.lang.String name,
java.lang.String type)
Get the index of a given CONSTANT_NAMEANDTYPE entry in the constant pool. |
int |
getUTF8Entry(java.lang.String value)
Get the index of a given UTF8 constant pool entry. |
void |
read(java.io.DataInputStream classStream)
Read the constant pool from a class input stream. |
void |
resolve()
Resolve the entries in the constant pool. |
int |
size()
Get the size of the constant pool. |
java.lang.String |
toString()
Dump the constant pool to a string. |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Constructor Detail |
public ConstantPool()
| Method Detail |
public void read(java.io.DataInputStream classStream)
throws java.io.IOException
classStream - the DataInputStream of a class file.
java.io.IOException - if there is a problem reading the constant pool
from the streampublic int size()
public int addEntry(ConstantPoolEntry entry)
entry - the new entry to be added to the constant pool.
public void resolve()
public ConstantPoolEntry getEntry(int index)
index - the index into the constant pool.
public int getUTF8Entry(java.lang.String value)
value - the string value of the UTF8 entry.
public int getClassEntry(java.lang.String className)
className - the name of the class for which the class entry
index is required.
public int getConstantEntry(java.lang.Object constantValue)
constantValue - the constant value for which the index is
required.
public int getMethodRefEntry(java.lang.String methodClassName,
java.lang.String methodName,
java.lang.String methodType)
methodClassName - the name of the class which contains the
method being referenced.methodName - the name of the method being referenced.methodType - the type descriptor of the method being referenced.
public int getInterfaceMethodRefEntry(java.lang.String interfaceMethodClassName,
java.lang.String interfaceMethodName,
java.lang.String interfaceMethodType)
interfaceMethodClassName - the name of the interface which
contains the method being referenced.interfaceMethodName - the name of the method being referenced.interfaceMethodType - the type descriptor of the method being
referenced.
public int getFieldRefEntry(java.lang.String fieldClassName,
java.lang.String fieldName,
java.lang.String fieldType)
fieldClassName - the name of the class which contains the field
being referenced.fieldName - the name of the field being referenced.fieldType - the type descriptor of the field being referenced.
public int getNameAndTypeEntry(java.lang.String name,
java.lang.String type)
name - the nametype - the type
public java.lang.String toString()
toString in class java.lang.Object
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