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fix HostInfo

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This commit is contained in:
Looly 2019-08-20 17:55:21 +08:00
parent fb488a0081
commit 8db785ea89
2 changed files with 47 additions and 105 deletions
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1
CHANGELOG.md
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@ -11,6 +11,7 @@
### Bug修复
* 【http】 修复HttpRquest中body方法长度计算问题（issue#I10UPG@Gitee）
* 【system】 修复获取本地IP问题（pr#65@Gitee）
-------------------------------------------------------------------------------------------------------------

151
hutool-system/src/main/java/cn/hutool/system/HostInfo.java
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@ -1,123 +1,64 @@
package cn.hutool.system;
import java.io.Serializable;
import java.net.Inet4Address;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.UnknownHostException;
import java.util.Enumeration;
import cn.hutool.core.net.NetUtil;
/**
* 代表当前主机的信息。
*/
public class HostInfo implements Serializable {
private static final long serialVersionUID = 1L;
private static final long serialVersionUID = 1L;
private final String HOST_NAME;
private final String HOST_ADDRESS;
private final String HOST_NETWORK_CARD_ADDRESS;
private final String HOST_NAME;
private final String HOST_ADDRESS;
public HostInfo() {
String hostName;
String hostAddress;
String hostNetworkCardAddress;
public HostInfo() {
final InetAddress localhost = NetUtil.getLocalhost();
HOST_NAME = localhost.getHostName();
HOST_ADDRESS = localhost.getHostAddress();
}
try {
InetAddress localhost = InetAddress.getLocalHost();
/**
* 取得当前主机的名称。
*
* <p>
* 例如：<code>"webserver1"</code>
* </p>
*
* @return 主机名
*/
public final String getName() {
return HOST_NAME;
}
hostName = localhost.getHostName();
hostAddress = localhost.getHostAddress();
hostNetworkCardAddress = getInternetIp();
} catch (UnknownHostException e) {
hostName = "localhost";
hostAddress = "127.0.0.1";
hostNetworkCardAddress = "127.0.0.1";
}
/**
* 取得当前主机的地址。
*
* <p>
* 例如：<code>"192.168.0.1"</code>
* </p>
*
* @return 主机地址
*/
public final String getAddress() {
return HOST_ADDRESS;
}
HOST_NAME = hostName;
HOST_ADDRESS = hostAddress;
HOST_NETWORK_CARD_ADDRESS = hostNetworkCardAddress;
}
/**
* 将当前主机的信息转换成字符串。
*
* @return 主机信息的字符串表示
*/
@Override
public final String toString() {
StringBuilder builder = new StringBuilder();
/**
* 取得当前主机的名称。
*
* <p>
* 例如：<code>"webserver1"</code>
* </p>
*
* @return 主机名
*/
public final String getName() {
return HOST_NAME;
}
SystemUtil.append(builder, "Host Name: ", getName());
SystemUtil.append(builder, "Host Address: ", getAddress());
/**
* 取得当前主机的地址。
*
* <p>
* 例如：<code>"192.168.0.1"</code>
* </p>
*
* @return 主机地址
*/
public final String getAddress() {
return HOST_ADDRESS;
}
/**
* 取得当前主机的网卡IP地址。
* <p>
* 例如：<code>"192.168.0.1"</code>
* </p>
*
* @return 网卡IP地址
*/
public final String getNetworkCardAddress() {
return HOST_NETWORK_CARD_ADDRESS;
}
/**
* 获得网卡IP
*
* @return 网卡IP
*/
public static String getInternetIp() {
String INTRANET_IP = null;
try {
Enumeration<NetworkInterface> networks = NetworkInterface.getNetworkInterfaces();
InetAddress ip = null;
Enumeration<InetAddress> addrs;
while (networks.hasMoreElements()) {
addrs = networks.nextElement().getInetAddresses();
while (addrs.hasMoreElements()) {
ip = addrs.nextElement();
if (ip != null && ip instanceof Inet4Address && ip.isSiteLocalAddress() && !ip.getHostAddress().equals(INTRANET_IP)) {
return ip.getHostAddress();
}
}
}
// 如果没有网卡IP，就返回/etc/hosts IP
return INTRANET_IP;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* 将当前主机的信息转换成字符串。
*
* @return 主机信息的字符串表示
*/
@Override
public final String toString() {
StringBuilder builder = new StringBuilder();
SystemUtil.append(builder, "Host Name: ", getName());
SystemUtil.append(builder, "Host Address: ", getAddress());
SystemUtil.append(builder, "Host NETWORK CARD ADDRESS: ", getNetworkCardAddress());
return builder.toString();
}
return builder.toString();
}
}