Java tutorial
/* * Copyright (c) 2017 Couchbase, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.github.subalakr.yasjl; import io.netty.buffer.ByteBufProcessor; /** * Processes JSON true value * * @author Subhashni Balakrishnan */ public class JsonBooleanTrueByteBufProcessor implements ByteBufProcessor { private static final byte T1 = (byte) 't'; private static final byte T2 = (byte) 'r'; private static final byte T3 = (byte) 'u'; private static final byte T4 = (byte) 'e'; private byte lastValue; public JsonBooleanTrueByteBufProcessor() { this.lastValue = T1; } public void reset() { this.lastValue = T1; } public boolean process(byte value) throws Exception { switch (value) { case T2: if (this.lastValue == T1) { this.lastValue = T2; return true; } break; case T3: if (this.lastValue == T2) { this.lastValue = T3; return true; } break; case T4: if (this.lastValue == T3) { reset(); return false; } break; } throw new IllegalStateException("Invalid json"); } }