Java tutorial
//package com.java2s; /* * Copyright 2013 The Netty Project * * The Netty Project licenses this file to you 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. */ public class Main { /** * Validate a SPDY header value. Does not validate max length. */ static void validateHeaderValue(String value) { if (value == null) { throw new NullPointerException("value"); } for (int i = 0; i < value.length(); i++) { char c = value.charAt(i); if (c == 0) { throw new IllegalArgumentException("value contains null character: " + value); } } } }