mirror of https://github.com/longtai-cn/hippo4j
feat: filter nodes that do not require a dynamic refresh (#614)
pizihao
3 years ago
parent
1b84a0e5e7
commit
70f0a92f1b
@ -0,0 +1,114 @@
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package cn.hippo4j.core.springboot.starter.refresher.event;
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import cn.hippo4j.common.config.ApplicationContextHolder;
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import cn.hippo4j.common.toolkit.Assert;
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import cn.hippo4j.common.toolkit.StringUtil;
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import cn.hippo4j.core.toolkit.inet.InetUtils;
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import lombok.Data;
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import lombok.extern.log4j.Log4j2;
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import org.springframework.core.env.Environment;
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import java.util.Arrays;
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import java.util.Objects;
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/**
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* Refresh listener abstract base class.
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*/
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@Log4j2
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public abstract class AbstractRefreshListener<M> implements RefreshListener<Hippo4jConfigDynamicRefreshEvent, M> {
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protected static final String PORT_PROPERTY = "local.server.port";
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protected static final String ALL = "*";
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/**
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* separator
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*/
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protected static final String SEPARATOR = ",";
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/**
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* application ip
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*/
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protected final String ipAddress;
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/**
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* application post
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*/
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protected final String port;
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AbstractRefreshListener() {
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InetUtils inetUtils = ApplicationContextHolder.getBean(InetUtils.class);
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InetUtils.HostInfo loopbackHostInfo = inetUtils.findFirstNonLoopbackHostInfo();
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Assert.isNull(loopbackHostInfo, "Unable to get the application IP address");
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ipAddress = loopbackHostInfo.getIpAddress();
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Environment environment = ApplicationContextHolder.getInstance().getEnvironment();
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Assert.isTrue(environment.containsProperty(PORT_PROPERTY), "Unable to get the application port");
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port = environment.getProperty(PORT_PROPERTY);
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}
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/**
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* Matching nodes<br>
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* nodes is ip + port.Get 'nodes' in the new Properties,Compare this with the ip + port of Application.<br>
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* Support prefix pattern matching.e.g: <br>
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* <ul>
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* <li>192.168.1.5:* -- Matches all ports of 192.168.1.5</li>
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* <li>192.168.1.*:2009 -- Matches 2009 port of 192.168.1.*</li>
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* <li>* -- all</li>
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* <li>empty -- all</li>
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* </ul>
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* The format of ip + port is ip : port.
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*
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* @param properties new Properties
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*/
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@Override
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public boolean match(M properties) {
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return false;
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}
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/**
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* check all
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*
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* @param nodes nodes
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*/
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protected boolean checkArray(String nodes) {
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if (StringUtil.isEmpty(nodes) || ALL.equals(nodes)) {
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return true;
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}
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String[] splitNodes = nodes.split(SEPARATOR);
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return Arrays.stream(splitNodes)
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.distinct()
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.map(IpAndPort::new)
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.map(i -> i.check(ipAddress, port))
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.anyMatch(Boolean.FALSE::equals);
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}
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/**
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* ip + port
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*/
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@Data
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protected static class IpAndPort {
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protected static final String COLON = ";";
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private String ip;
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private String port;
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public IpAndPort(String node) {
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String[] ipPort = node.split(COLON);
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Assert.isTrue(ipPort.length != 2, "The IP address format is error:" + node);
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ip = ipPort[0];
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port = ipPort[1];
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}
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/**
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* check
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*
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* @param ip application ip
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* @param port application port
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*/
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public boolean check(String ip, String port) {
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return Objects.equals(ip, this.ip) && Objects.equals(port, this.port);
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}
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}
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}
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