net.hasor.tconsole.launcher.TelUtils Maven / Gradle / Ivy
/*
* Copyright 2008-2009 the original author or authors.
*
* 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 net.hasor.tconsole.launcher;
import io.netty.buffer.ByteBuf;
import net.hasor.tconsole.TelAttribute;
import net.hasor.utils.convert.ConverterUtils;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.nio.charset.StandardCharsets;
/**
* 工具集
* @version : 2016年09月20日
* @author 赵永春 ([email protected])
*/
public class TelUtils {
public static boolean aBoolean(TelAttribute telAttribute, String key) {
Object aboolean = telAttribute.getAttribute(key);
if (aboolean == null) {
aboolean = false;
}
return (Boolean) ConverterUtils.convert(Boolean.TYPE, aboolean);
}
public static int aInteger(TelAttribute telAttribute, String key) {
Object aInteger = telAttribute.getAttribute(key);
if (aInteger == null) {
aInteger = 0;
}
return (Integer) ConverterUtils.convert(Integer.TYPE, aInteger);
}
public static InetAddress finalBindAddress(String hostString) throws UnknownHostException {
return "local".equalsIgnoreCase(hostString) ? InetAddress.getLocalHost() : InetAddress.getByName(hostString);
}
public static String aString(TelAttribute telAttribute, String key) {
Object aInteger = telAttribute.getAttribute(key);
if (aInteger == null) {
aInteger = "";
}
return aInteger.toString();
}
// 滑动窗口的机制
public static int waitString(ByteBuf byteBuf, String waitString) {
int waitLength = waitString.length();
if (byteBuf.readableBytes() >= waitLength) {
int loopCount = byteBuf.readableBytes() - waitLength;
for (int i = 0; i <= loopCount; i++) {
String dat = byteBuf.getCharSequence(i, waitLength, StandardCharsets.UTF_8).toString();
if (dat.equals(waitString)) {
return i;
}
}
}
return -1;
}
}