private int getOrInsertString(int utf8Index) throws IOException {
int stringIndex = constantPool.lookForString(utf8Index);
if (stringIndex == -1) {
stringIndex = constantPool.poolSize() + 1;
StringConstant stringConstant = new StringConstant(utf8Index);
constantPool.add(stringConstant);
stringConstant.serializeToStream(constantStream);
}
return stringIndex;
}
private int getOrInsertMethodRef(int classIndex, int nameAndTypeIndex) throws IOException {
int methodRef = constantPool.lookForRef(classIndex, nameAndTypeIndex);
if (methodRef == -1) {
methodRef = constantPool.poolSize() + 1;
MethodRefConstant methodRefConstant = new MethodRefConstant(classIndex, nameAndTypeIndex);
constantPool.add(methodRefConstant);
methodRefConstant.serializeToStream(constantStream);
}
return methodRef;
}
private int getOrInsertNameAndType(int nameIndex, int typeIndex) throws IOException {
int nameAndTypeIndex = constantPool.lookForNameAndTypeReference(nameIndex, typeIndex);
if (nameAndTypeIndex == -1) {
nameAndTypeIndex = constantPool.poolSize() + 1;
NameAndTypeConstant nameAndType = new NameAndTypeConstant(nameIndex, typeIndex);
constantPool.add(nameAndType);
nameAndType.serializeToStream(constantStream);
}
return nameAndTypeIndex;
}
private int getOrInsertClass(int nameIndex) throws IOException {
int classIndex = constantPool.lookForClass(nameIndex);
if (classIndex == -1) {
classIndex = constantPool.poolSize() + 1;
ClassConstant classConstant = new ClassConstant(nameIndex);
constantPool.add(classConstant);
classConstant.serializeToStream(constantStream);
}
return classIndex;
}
private int getOrInsertUtf8(String string) throws IOException {
int nameIndex = constantPool.lookForUtf8Reference(string);
if (nameIndex == -1) {
nameIndex = constantPool.poolSize() + 1;
Utf8Constant name = new Utf8Constant(string);
constantPool.add(name);
name.serializeToStream(constantStream);
}
return nameIndex;
}