Package org.apache.derby.iapi.services.classfile

Class ClassInvestigator

java.lang.Object

org.apache.derby.iapi.services.classfile.ClassHolder

org.apache.derby.iapi.services.classfile.ClassInvestigator

public class ClassInvestigator
extends ClassHolder

Field Summary

Fields inherited from class org.apache.derby.iapi.services.classfile.ClassHolder

access_flags, attribute_info, cptEntries, cptHashTable, field_info, interfaces, major_version, method_info, minor_version, super_class, this_class

Constructor Summary

Constructors

Modifier	Constructor	Description
private	ClassInvestigator(int constantPoolCount)

Method Summary

Modifier and Type	Method	Description
private void	doRenameString(int index, java.lang.String newName)
private java.util.Enumeration	getClasses(java.util.Enumeration<ClassMember> methods, java.util.Enumeration<ClassMember> fields)	Return an Enumeration of all referenced classes
private static ConstantPoolEntry	getConstant(ClassInput in)
java.util.Enumeration<ClassMember>	getFields()
ClassMember	getMember(java.lang.String simpleName, java.lang.String descriptor)
java.util.Enumeration<ClassMember>	getMethods()
java.util.Enumeration	getStrings()
java.util.Enumeration	implementedInterfaces()
static ClassInvestigator	load(java.io.InputStream is)
static java.lang.String	newDescriptor(java.util.Hashtable classNameMap, java.lang.String descriptor)
private void	processCodeAttribute(ClassMember member, AttributeEntry ae)
private static ClassMember	readClassMember(ClassInvestigator ci, ClassInput in)
java.util.Enumeration	referencedClasses()
void	removeAttributes()	Return an Enumeration of all Member References
void	renameClassElements(java.util.Hashtable classNameMap, java.util.Hashtable memberNameMap)
private void	renameMembers(java.util.Enumeration<ClassMember> e, java.util.Hashtable classNameMap, java.util.Hashtable memberNameMap)
private void	renameString(java.util.Hashtable classNameMap, CONSTANT_Index_info cii)

Methods inherited from class org.apache.derby.iapi.services.classfile.ClassHolder

addAttribute, addClassReference, addConstant, addConstant, addConstant, addConstant, addConstant, addEntry, addFieldReference, addFieldReference, addMember, addMethodReference, addUtf8, className, convertToInternalClassName, convertToInternalDescriptor, cptPut, findClass, findIndexEntry, findIndexIndex, findMatchingEntry, findNameAndType, findUtf8, getClassName, getConstantPoolIndex, getEntry, getFileFormat, getModifier, getName, getSuperClassName, isExternalClassName, nameIndexToString

Methods inherited from class java.lang.Object

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

Constructor Detail

ClassInvestigator

private ClassInvestigator(int constantPoolCount)

Method Detail

load

public static ClassInvestigator load(java.io.InputStream is)
                              throws java.io.IOException

Throws:

java.io.IOException

readClassMember

private static ClassMember readClassMember(ClassInvestigator ci,
                                           ClassInput in)
                                    throws java.io.IOException

Throws:

java.io.IOException

implementedInterfaces

public java.util.Enumeration implementedInterfaces()

getFields

public java.util.Enumeration<ClassMember> getFields()

getMethods

public java.util.Enumeration<ClassMember> getMethods()

referencedClasses

public java.util.Enumeration referencedClasses()

getClasses

private java.util.Enumeration getClasses(java.util.Enumeration<ClassMember> methods,
                                         java.util.Enumeration<ClassMember> fields)

Return an Enumeration of all referenced classes

getStrings

public java.util.Enumeration getStrings()

getMember

public ClassMember getMember(java.lang.String simpleName,
                             java.lang.String descriptor)

removeAttributes

public void removeAttributes()
                      throws java.io.IOException

Return an Enumeration of all Member References

Throws:

java.io.IOException

processCodeAttribute

private void processCodeAttribute(ClassMember member,
                                  AttributeEntry ae)
                           throws java.io.IOException

Throws:

java.io.IOException

renameClassElements

public void renameClassElements(java.util.Hashtable classNameMap,
                                java.util.Hashtable memberNameMap)

renameMembers

private void renameMembers(java.util.Enumeration<ClassMember> e,
                           java.util.Hashtable classNameMap,
                           java.util.Hashtable memberNameMap)

renameString

private void renameString(java.util.Hashtable classNameMap,
                          CONSTANT_Index_info cii)

doRenameString

private void doRenameString(int index,
                            java.lang.String newName)

getConstant

private static ConstantPoolEntry getConstant(ClassInput in)
                                      throws java.io.IOException

Throws:

java.io.IOException

newDescriptor

public static java.lang.String newDescriptor(java.util.Hashtable classNameMap,
                                             java.lang.String descriptor)