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Java Webscoket请求wss

大柚子top 2022-02-28 阅读 29

参考文章:

举例gradle项目,build.gradle中添加:

implementation("org.java-websocket:Java-WebSocket:1.3.0")

java代码,封装客户端:


public abstract class ClientWss extends WebSocketClient {

    public ClientWss (URI serverURI) {
        super(serverURI);
        if(serverURI.toString().contains("wss://"))
            trustAllHosts(this);
    }

    public ClientWss (URI serverURI, Draft draft) {
        super(serverURI,draft);
        if(serverURI.toString().contains("wss://"))
            trustAllHosts(this);
    }

    final static HostnameVerifier DO_NOT_VERIFY = new HostnameVerifier() {
        @Override
        public boolean verify(String hostname, SSLSession session) {
            return true;
        }
    };


    static void trustAllHosts(SimpleWss appClient) {
        System.out.println("wss start...");
        TrustManager[] trustAllCerts = new TrustManager[]{new X509TrustManager() {
            @Override
            public void checkClientTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {

            }

            @Override
            public java.security.cert.X509Certificate[] getAcceptedIssuers() {
                return new java.security.cert.X509Certificate[]{};
            }

            @Override
            public void checkServerTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {
                // TODO Auto-generated method stub

            }
        }};

        try {
            SSLContext sc = SSLContext.getInstance("TLS");
            sc.init(null, trustAllCerts, new java.security.SecureRandom());
            appClient.setWebSocketFactory(new DefaultSSLWebSocketClientFactory(sc));
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

}

访问wss:

new ClientWss(new URI(chain)) {
    @Override
    public void onClose(int arg0, String arg1, boolean arg2) {
        // System.out.println(String.format("onClose:【%s】【%s】【%s】", arg0, arg1, arg2));
    }

	@Override
	public void onError(Exception arg0) {
		//System.out.println(String.format("onError:%s", arg0));
	}

	@Override
	public void onMessage(String arg0) {
		try {
			if (StringUtils.isNotBlank(arg0)) {
				//业务操作
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
		// System.out.println(String.format("onMessage:%s", arg0));
		this.close();
	}

	@Override
	public void onOpen(ServerHandshake arg0) {
		// System.out.println(String.format("onOpen:%s", arg0));

		this.send("请求消息");
	}
}.connect();
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