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Redis Java client with features of In-Memory Data Grid
/**
* Copyright (c) 2013-2024 Nikita Koksharov
*
* 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 org.redisson.misc;
import io.netty.util.NetUtil;
import java.io.UnsupportedEncodingException;
import java.net.InetSocketAddress;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLDecoder;
import java.nio.charset.StandardCharsets;
import java.util.Objects;
/**
*
* @author Nikita Koksharov
*
*/
public final class RedisURI {
private final boolean ssl;
private final String host;
private final int port;
private String username;
private String password;
private int hashCode;
public RedisURI(String scheme, String host, int port) {
this.ssl = "rediss".equals(scheme);
this.host = host;
this.port = port;
this.hashCode = Objects.hash(ssl, host, port);
}
public RedisURI(String uri) {
if (!uri.startsWith("redis://") && !uri.startsWith("rediss://")) {
throw new IllegalArgumentException("Redis url should start with redis:// or rediss:// (for SSL connection)");
}
if (uri.split(":").length < 3) {
throw new IllegalArgumentException("Redis url doesn't contain a port");
}
String urlHost = parseUrl(uri);
try {
URL url = new URL(urlHost);
if (url.getUserInfo() != null) {
String[] details = url.getUserInfo().split(":", 2);
if (details.length == 2) {
if (!details[0].isEmpty()) {
username = URLDecoder.decode(details[0], StandardCharsets.UTF_8.toString());
}
password = URLDecoder.decode(details[1], StandardCharsets.UTF_8.toString());
}
}
host = url.getHost();
port = url.getPort();
ssl = uri.startsWith("rediss://");
} catch (MalformedURLException | UnsupportedEncodingException e) {
throw new IllegalArgumentException(e);
}
}
private String parseUrl(String uri) {
int hostStartIndex = uri.indexOf("://") + 3;
String urlHost = "http://" + uri.substring(hostStartIndex);
String ipV6Host = uri.substring(hostStartIndex, uri.lastIndexOf(":"));
if (ipV6Host.contains("@")) {
ipV6Host = ipV6Host.split("@")[1];
}
if (ipV6Host.contains(":")) {
urlHost = urlHost.replace(ipV6Host, "[" + ipV6Host + "]");
}
return urlHost;
}
public String getScheme() {
if (ssl) {
return "rediss";
}
return "redis";
}
public String getUsername() {
return username;
}
public String getPassword() {
return password;
}
public boolean isSsl() {
return ssl;
}
public String getHost() {
return host;
}
public int getPort() {
return port;
}
public boolean isIP() {
return NetUtil.createByteArrayFromIpAddressString(host) != null;
}
private String trimIpv6Brackets(String host) {
if (host.startsWith("[") && host.endsWith("]")) {
return host.substring(1, host.length() - 1);
}
return host;
}
public boolean equals(InetSocketAddress entryAddr) {
String ip = trimIpv6Brackets(getHost());
if (((entryAddr.getHostName() != null && entryAddr.getHostName().equals(ip))
|| entryAddr.getAddress().getHostAddress().equals(ip))
&& entryAddr.getPort() == getPort()) {
return true;
}
return false;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
RedisURI redisURI = (RedisURI) o;
return ssl == redisURI.ssl && port == redisURI.port && Objects.equals(host, redisURI.host);
}
@Override
public int hashCode() {
return hashCode;
}
@Override
public String toString() {
return getScheme() + "://" + trimIpv6Brackets(host) + ":" + port;
}
}
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