int copyConstantPool()

in src/main/java/org/apache/sling/scripting/jsp/jasper/compiler/SmapUtil.java [447:502]
55 lines of code
22 McCabe index (conditional complexity)

        int copyConstantPool(int constantPoolCount)
                throws UnsupportedEncodingException, IOException {
            int sdeIndex = -1;
            // copy const pool index zero not in class file
            for (int i = 1; i < constantPoolCount; ++i) {
                int tag = readU1();
                writeU1(tag);
                switch (tag) {
                case 7 : // Class
                case 8 : // String
                case 16 : // MethodType
                    if (log.isDebugEnabled())
                        log.debug(i + " copying 2 bytes");
                    copy(2);
                    break;
                case 15 : // MethodHandle
                    if (log.isDebugEnabled())
                        log.debug(i + " copying 3 bytes");
                    copy(3);
                    break;
                case 9 : // Field
                case 10 : // Method
                case 11 : // InterfaceMethod
                case 3 : // Integer
                case 4 : // Float
                case 12 : // NameAndType
                case 18 : // InvokeDynamic
                    if (log.isDebugEnabled())
                        log.debug(i + " copying 4 bytes");
                    copy(4);
                    break;
                case 5 : // Long
                case 6 : // Double
                    if (log.isDebugEnabled())
                        log.debug(i + " copying 8 bytes");
                    copy(8);
                    i++;
                    break;
                case 1 : // Utf8
                    int len = readU2();
                    writeU2(len);
                    byte[] utf8 = readBytes(len);
                    String str = new String(utf8, "UTF-8");
                    if (log.isDebugEnabled())
                        log.debug(i + " read class attr -- '" + str + "'");
                    if (str.equals(nameSDE)) {
                        sdeIndex = i;
                    }
                    writeBytes(utf8);
                    break;
                default :
                    throw new IOException("unexpected tag: " + tag);
                }
            }
            return sdeIndex;
        }