public Class toClass()

in dubbo-common/src/main/java/org/apache/dubbo/common/bytecode/ClassGenerator.java [305:375]
70 lines of code
22 McCabe index (conditional complexity)

    public Class<?> toClass(Class<?> neighborClass, ClassLoader loader, ProtectionDomain pd) {
        if (mCtc != null) {
            mCtc.detach();
        }
        long id = CLASS_NAME_COUNTER.getAndIncrement();
        try {
            CtClass ctcs = mSuperClass == null ? null : mPool.get(mSuperClass);
            if (mClassName == null) {
                mClassName = (mSuperClass == null || javassist.Modifier.isPublic(ctcs.getModifiers())
                                ? ClassGenerator.class.getName()
                                : mSuperClass + "$sc")
                        + id;
            }
            mCtc = mPool.makeClass(mClassName);
            if (mSuperClass != null) {
                mCtc.setSuperclass(ctcs);
            }
            mCtc.addInterface(mPool.get(DC.class.getName())); // add dynamic class tag.
            if (mInterfaces != null) {
                for (String cl : mInterfaces) {
                    mCtc.addInterface(mPool.get(cl));
                }
            }
            if (mFields != null) {
                for (String code : mFields) {
                    mCtc.addField(CtField.make(code, mCtc));
                }
            }
            if (mMethods != null) {
                for (String code : mMethods) {
                    if (code.charAt(0) == ':') {
                        mCtc.addMethod(CtNewMethod.copy(
                                getCtMethod(mCopyMethods.get(code.substring(1))),
                                code.substring(1, code.indexOf('(')),
                                mCtc,
                                null));
                    } else {
                        mCtc.addMethod(CtNewMethod.make(code, mCtc));
                    }
                }
            }
            if (mDefaultConstructor) {
                mCtc.addConstructor(CtNewConstructor.defaultConstructor(mCtc));
            }
            if (mConstructors != null) {
                for (String code : mConstructors) {
                    if (code.charAt(0) == ':') {
                        mCtc.addConstructor(CtNewConstructor.copy(
                                getCtConstructor(mCopyConstructors.get(code.substring(1))), mCtc, null));
                    } else {
                        String[] sn = mCtc.getSimpleName().split("\\$+"); // inner class name include $.
                        mCtc.addConstructor(
                                CtNewConstructor.make(code.replaceFirst(SIMPLE_NAME_TAG, sn[sn.length - 1]), mCtc));
                    }
                }
            }

            try {
                return mPool.toClass(mCtc, neighborClass, loader, pd);
            } catch (Throwable t) {
                if (!(t instanceof CannotCompileException)) {
                    return mPool.toClass(mCtc, loader, pd);
                }
                throw t;
            }
        } catch (RuntimeException e) {
            throw e;
        } catch (NotFoundException | CannotCompileException e) {
            throw new RuntimeException(e.getMessage(), e);
        }
    }