在Apache Camel上实现相互TLS认证，可以使用Java的SSLContext和KeyManagerFactory来加载证书，并使用HttpComponent来配置TLS连接。

以下是一个示例代码，演示了如何在Apache Camel上实现相互TLS认证：

import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.http.HttpComponent;
import org.apache.camel.component.http.HttpEndpoint;
import org.apache.camel.component.http.HttpsComponent;
import org.apache.camel.component.http4.HttpComponent4;
import org.apache.camel.main.Main;

import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLContext;
import java.io.FileInputStream;
import java.security.KeyStore;

public class MutualTlsExample extends RouteBuilder {
    private static final String KEYSTORE_LOCATION = "/path/to/keystore.p12";
    private static final String KEYSTORE_PASSWORD = "keystore_password";
    private static final String TRUSTSTORE_LOCATION = "/path/to/truststore.p12";
    private static final String TRUSTSTORE_PASSWORD = "truststore_password";
    private static final String CLIENT_ALIAS = "client_alias";

    public static void main(String[] args) throws Exception {
        Main main = new Main();
        main.addRouteBuilder(new MutualTlsExample());
        main.run();
    }

    @Override
    public void configure() throws Exception {
        // Create SSLContext
        KeyStore keyStore = KeyStore.getInstance("PKCS12");
        keyStore.load(new FileInputStream(KEYSTORE_LOCATION), KEYSTORE_PASSWORD.toCharArray());

        KeyStore trustStore = KeyStore.getInstance("PKCS12");
        trustStore.load(new FileInputStream(TRUSTSTORE_LOCATION), TRUSTSTORE_PASSWORD.toCharArray());

        KeyManagerFactory keyManagerFactory = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
        keyManagerFactory.init(keyStore, KEYSTORE_PASSWORD.toCharArray());

        SSLContext sslContext = SSLContext.getInstance("TLS");
        sslContext.init(keyManagerFactory.getKeyManagers(), null, null);

        // Configure HTTPS component
        HttpComponent4 httpComponent = new HttpComponent4();
        httpComponent.setSslContext(sslContext);

        // Create HTTP endpoint
        HttpEndpoint httpEndpoint = httpComponent.createEndpoint("https://api.example.com");

        // Configure route
        from("direct:start")
                .to(httpEndpoint)
                .to("log:response");

        // Start Camel context
        getContext().addComponent("https", httpComponent);
    }
}

在上述示例代码中，我们首先创建了一个SSLContext对象，并使用KeyManagerFactory加载证书和密钥。然后，我们使用HttpComponent配置了HttpEndpoint，并将SSLContext设置为HttpsComponent的SslContext属性。最后，我们在路由中使用HttpEndpoint发送HTTP请求，并将响应日志记录到控制台。

请确保将示例代码中的KEYSTORE_LOCATION、KEYSTORE_PASSWORD、TRUSTSTORE_LOCATION、TRUSTSTORE_PASSWORD和CLIENT_ALIAS替换为实际的值，并将证书和密钥存储在指定的位置。

此示例仅用于演示目的，实际使用时可能需要根据具体需求进行调整。