fromJSON and toJSON methods were added to Config object. #351

src/main/java/org/redisson/Config.java

@@ -15,9 +15,10 @@
  */
 package org.redisson;
 
+import java.io.IOException;
+
 import org.redisson.client.codec.Codec;
 import org.redisson.codec.JsonJacksonCodec;
-import org.redisson.connection.ConnectionListener;
 
 /**
  * Redisson configuration
@@ -49,8 +50,6 @@ public class Config {
 
     private boolean useLinuxNativeEpoll;
 
-    private ConnectionListener connectionListener;
-
     public Config() {
     }
 
@@ -62,7 +61,6 @@ public Config(Config oldConf) {
             oldConf.setCodec(new JsonJacksonCodec());
         }
 
-        setConnectionListener(oldConf.getConnectionListener());
         setThreads(oldConf.getThreads());
         setCodec(oldConf.getCodec());
         if (oldConf.getSingleServerConfig() != null) {
@@ -337,21 +335,15 @@ public boolean isUseLinuxNativeEpoll() {
         return useLinuxNativeEpoll;
     }
 
-    @Deprecated
-    public ConnectionListener getConnectionListener() {
-        return connectionListener;
+    public static Config fromJSON(String content) throws IOException {
+        ConfigSupport support = new ConfigSupport();
+        return support.fromJSON(content);
     }
 
-    /**
-     * Use {@code org.redisson.core.NodesGroup#addConnectionListener(ConnectionListener)}
-     *
-     * @param connectionListener
-     * @return
-     */
-    @Deprecated
-    public Config setConnectionListener(ConnectionListener connectionListener) {
-        this.connectionListener = connectionListener;
-        return this;
+    public String toJSON() throws IOException {
+        ConfigSupport support = new ConfigSupport();
+        return support.toJSON(this);
     }
 
+
 }

src/main/java/org/redisson/ConfigSupport.java

@@ -0,0 +1,105 @@
+package org.redisson;
+
+import java.io.IOException;
+import java.net.URI;
+import java.util.List;
+
+import org.redisson.client.codec.Codec;
+import org.redisson.connection.balancer.LoadBalancer;
+
+import com.fasterxml.jackson.annotation.JsonFilter;
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonInclude.Include;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonTypeInfo;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.ser.FilterProvider;
+import com.fasterxml.jackson.databind.ser.impl.SimpleBeanPropertyFilter;
+import com.fasterxml.jackson.databind.ser.impl.SimpleFilterProvider;
+
+public class ConfigSupport {
+
+    @JsonTypeInfo(use = JsonTypeInfo.Id.CLASS, property = "class")
+    @JsonFilter("classFilter")
+    public static class ClassMixIn {
+
+    }
+
+    public abstract static class SingleSeverConfigMixIn {
+
+        @JsonProperty
+        List<URI> address;
+
+        @JsonIgnore
+        abstract SingleServerConfig setAddress(String address);
+
+        @JsonIgnore
+        abstract URI getAddress();
+
+        @JsonIgnore
+        abstract void setAddress(URI address);
+
+    }
+
+    public abstract static class MasterSlaveServersConfigMixIn {
+
+        @JsonProperty
+        List<URI> masterAddress;
+
+        @JsonIgnore
+        abstract MasterSlaveServersConfig setMasterAddress(String masterAddress);
+
+        @JsonIgnore
+        abstract URI getMasterAddress();
+
+        @JsonIgnore
+        abstract void setMasterAddress(URI masterAddress);
+
+    }
+
+    @JsonIgnoreProperties("clusterConfig")
+    public static class ConfigMixIn {
+
+        @JsonProperty
+        SentinelServersConfig sentinelServersConfig;
+
+        @JsonProperty
+        MasterSlaveServersConfig masterSlaveServersConfig;
+
+        @JsonProperty
+        SingleServerConfig singleServerConfig;
+
+        @JsonProperty
+        ClusterServersConfig clusterServersConfig;
+
+        @JsonProperty
+        ElasticacheServersConfig elasticacheServersConfig;
+
+    }
+
+    ObjectMapper mapper = createMapper();
+
+    public Config fromJSON(String content) throws IOException {
+        return mapper.readValue(content, Config.class);
+    }
+
+    public String toJSON(Config config) throws IOException {
+        return mapper.writeValueAsString(config);
+    }
+
+    private ObjectMapper createMapper() {
+        ObjectMapper mapper = new ObjectMapper();
+        mapper.addMixIn(MasterSlaveServersConfig.class, MasterSlaveServersConfigMixIn.class);
+        mapper.addMixIn(SingleServerConfig.class, SingleSeverConfigMixIn.class);
+        mapper.addMixIn(Config.class, ConfigMixIn.class);
+        mapper.addMixIn(Codec.class, ClassMixIn.class);
+        mapper.addMixIn(LoadBalancer.class, ClassMixIn.class);
+        FilterProvider filterProvider = new SimpleFilterProvider()
+                .addFilter("classFilter", SimpleBeanPropertyFilter.filterOutAllExcept());
+        mapper.setFilterProvider(filterProvider);
+        mapper.setSerializationInclusion(Include.NON_NULL);
+        return mapper;
+    }
+
+}

src/main/java/org/redisson/MasterSlaveServersConfig.java

@@ -16,7 +16,9 @@
 package org.redisson;
 
 import java.net.URI;
+import java.util.Collections;
 import java.util.HashSet;
+import java.util.List;
 import java.util.Set;
 
 import org.redisson.misc.URIBuilder;
@@ -31,7 +33,7 @@ public class MasterSlaveServersConfig extends BaseMasterSlaveServersConfig<Maste
     /**
      * Redis master server address
      */
-    private URI masterAddress;
+    private List<URI> masterAddress;
 
     public MasterSlaveServersConfig() {
     }
@@ -49,14 +51,21 @@ public MasterSlaveServersConfig() {
      * @param masterAddress
      */
     public MasterSlaveServersConfig setMasterAddress(String masterAddress) {
-        this.masterAddress = URIBuilder.create(masterAddress);
+        if (masterAddress != null) {
+            this.masterAddress = Collections.singletonList(URIBuilder.create(masterAddress));
+        }
         return this;
     }
     public URI getMasterAddress() {
-        return masterAddress;
+        if (masterAddress != null) {
+            return masterAddress.get(0);
+        }
+        return null;
     }
     public void setMasterAddress(URI masterAddress) {
-        this.masterAddress = masterAddress;
+        if (masterAddress != null) {
+            this.masterAddress = Collections.singletonList(masterAddress);
+        }
     }
 
     /**

src/main/java/org/redisson/SingleServerConfig.java

@@ -16,6 +16,8 @@
 package org.redisson;
 
 import java.net.URI;
+import java.util.Collections;
+import java.util.List;
 
 import org.redisson.misc.URIBuilder;
 
@@ -25,7 +27,7 @@ public class SingleServerConfig extends BaseConfig<SingleServerConfig> {
      * Redis server address
      *
      */
-    private URI address;
+    private List<URI> address;
 
     /**
      * Minimum idle subscription connection amount
@@ -112,14 +114,21 @@ public int getSubscriptionConnectionPoolSize() {
      * @param address
      */
     public SingleServerConfig setAddress(String address) {
-        this.address = URIBuilder.create(address);
+        if (address != null) {
+            this.address = Collections.singletonList(URIBuilder.create(address));
+        }
         return this;
     }
     public URI getAddress() {
-        return address;
+        if (address != null) {
+            return address.get(0);
+        }
+        return null;
     }
     void setAddress(URI address) {
-        this.address = address;
+        if (address != null) {
+            this.address = Collections.singletonList(address);
+        }
     }
 
     /**

src/test/java/org/redisson/RedissonTest.java

@@ -4,20 +4,43 @@
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.InetSocketAddress;
+import java.net.URI;
 import java.net.URL;
+import java.util.Collections;
 import java.util.Iterator;
+import java.util.List;
 import java.util.Map;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.TimeoutException;
 
 import org.junit.Assert;
 import org.junit.Test;
+import org.redisson.client.RedisConnectionException;
 import org.redisson.client.WriteRedisConnectionException;
+import org.redisson.client.codec.Codec;
 import org.redisson.codec.SerializationCodec;
 import org.redisson.connection.ConnectionListener;
+import org.redisson.connection.balancer.LoadBalancer;
 import org.redisson.core.ClusterNode;
 import org.redisson.core.Node;
 import org.redisson.core.NodesGroup;
+import org.redisson.misc.URIBuilder;
+
+import com.fasterxml.jackson.annotation.JsonFilter;
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonTypeInfo;
+import com.fasterxml.jackson.annotation.JsonInclude.Include;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.core.SerializableString;
+import com.fasterxml.jackson.core.io.CharacterEscapes;
+import com.fasterxml.jackson.core.io.SerializedString;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.ser.FilterProvider;
+import com.fasterxml.jackson.databind.ser.impl.SimpleBeanPropertyFilter;
+import com.fasterxml.jackson.databind.ser.impl.SimpleFilterProvider;
+
 import static org.assertj.core.api.Assertions.*;
 
 import net.jodah.concurrentunit.Waiter;
@@ -141,6 +164,36 @@ public void testSentinel() {
         Assert.assertTrue(nodes.pingAll());
     }
 
+    @Test
+    public void testClusterConfig() throws IOException {
+        Config originalConfig = new Config();
+        originalConfig.useClusterServers().addNodeAddress("123.123.1.23:1902", "9.3.1.0:1902");
+        String t = originalConfig.toJSON();
+        Config c = Config.fromJSON(t);
+        System.out.println(t);
+        assertThat(c.toJSON()).isEqualTo(t);
+    }
+
+    @Test
+    public void testSingleConfig() throws IOException {
+        RedissonClient r = Redisson.create();
+        String t = r.getConfig().toJSON();
+        Config c = Config.fromJSON(t);
+        System.out.println(t);
+        assertThat(c.toJSON()).isEqualTo(t);
+    }
+
+    @Test
+    public void testMasterSlaveConfig() throws IOException {
+        Config c2 = new Config();
+        c2.useMasterSlaveServers().setMasterAddress("123.1.1.1:1231").addSlaveAddress("82.12.47.12:1028");
+
+        String t = c2.toJSON();
+        Config c = Config.fromJSON(t);
+        System.out.println(t);
+        assertThat(c.toJSON()).isEqualTo(t);
+    }
+
     @Test
     public void testCluster() {
         NodesGroup<ClusterNode> nodes = redisson.getClusterNodesGroup();