Added example with Spring Integration ZeroMQ lib for Spring framework

examples/Java/Spring/src/main/java/com/eddn/example/EdcmApiJavaApplication.java

@@ -0,0 +1,15 @@
+package com.eddn.example;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
+
+@SpringBootApplication
+@EnableConfigurationProperties
+public class EdcmApiJavaApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(EdcmApiJavaApplication.class, args);
+    }
+
+}

examples/Java/Spring/src/main/java/com/eddn/example/core/zeromq/ZeromqConfig.java

@@ -0,0 +1,54 @@
+package com.eddn.example.core.zeromq;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.integration.annotation.ServiceActivator;
+import org.springframework.integration.config.EnableIntegration;
+import org.springframework.integration.zeromq.channel.ZeroMqChannel;
+import org.springframework.messaging.MessageHandler;
+import org.zeromq.ZContext;
+
+import java.io.ByteArrayOutputStream;
+import java.nio.charset.StandardCharsets;
+import java.util.zip.DataFormatException;
+import java.util.zip.Inflater;
+
+@Configuration
+@EnableIntegration
+public class ZeromqConfig {
+
+    @Bean
+    public ZContext zContext() {
+        return new ZContext();
+    }
+
+    @Bean(name = "zeroMqChannel")
+    ZeroMqChannel zeroMqPubSubChannel(ZContext context) {
+        ZeroMqChannel channel = new ZeroMqChannel(context, true);
+        channel.setConnectUrl("tcp://eddn.edcd.io:9500:9500");
+        return channel;
+    }
+
+
+    @Bean
+    @ServiceActivator(inputChannel = "zeroMqChannel")
+    public MessageHandler subscribe() {
+
+        return message -> {
+            byte[] output = new byte[256 * 1024];
+            byte[] payload = (byte[]) message.getPayload();
+            Inflater inflater = new Inflater();
+            inflater.setInput(payload);
+            ByteArrayOutputStream outputStream = new ByteArrayOutputStream(payload.length);
+            try {
+                int outputLength = inflater.inflate(output);
+                String outputString = new String(output, 0, outputLength, StandardCharsets.UTF_8);
+                System.out.println(outputString);
+            } catch (DataFormatException e) {
+                e.printStackTrace();
+            }
+        };
+    }
+
+
+}