Use dto namespace instead of model and updated the demo page

apollo-biz/src/main/java/com/ctrip/apollo/biz/service/ConfigService.java

 package com.ctrip.apollo.biz.service;
 
 import com.ctrip.apollo.biz.entity.Version;
-import com.ctrip.apollo.core.model.ApolloConfig;
+import com.ctrip.apollo.core.dto.ApolloConfig;
 
 /**
  * Config Service

apollo-biz/src/main/java/com/ctrip/apollo/biz/service/impl/ConfigServiceImpl.java

@@ -5,7 +5,7 @@ import com.ctrip.apollo.biz.entity.Version;
 import com.ctrip.apollo.biz.repository.ReleaseSnapShotRepository;
 import com.ctrip.apollo.biz.repository.VersionRepository;
 import com.ctrip.apollo.biz.service.ConfigService;
-import com.ctrip.apollo.core.model.ApolloConfig;
+import com.ctrip.apollo.core.dto.ApolloConfig;
 import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.google.common.collect.Maps;

apollo-biz/src/test/java/com/ctrip/apollo/biz/service/impl/ConfigServiceImplTest.java

@@ -4,7 +4,7 @@ import com.ctrip.apollo.biz.entity.ReleaseSnapShot;
 import com.ctrip.apollo.biz.entity.Version;
 import com.ctrip.apollo.biz.repository.ReleaseSnapShotRepository;
 import com.ctrip.apollo.biz.repository.VersionRepository;
-import com.ctrip.apollo.core.model.ApolloConfig;
+import com.ctrip.apollo.core.dto.ApolloConfig;
 import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.google.common.collect.Maps;

apollo-client/src/main/java/com/ctrip/apollo/client/ApolloConfigManager.java

@@ -19,6 +19,8 @@ import org.springframework.core.PriorityOrdered;
 import org.springframework.core.env.CompositePropertySource;
 import org.springframework.core.env.MutablePropertySources;
 
+import java.util.concurrent.atomic.AtomicReference;
+
 /**
  * Client side config manager
  *
@@ -26,12 +28,17 @@ import org.springframework.core.env.MutablePropertySources;
  */
 public class ApolloConfigManager implements BeanDefinitionRegistryPostProcessor, PriorityOrdered, ApplicationContextAware {
     public static final String APOLLO_PROPERTY_SOURCE_NAME = "ApolloConfigProperties";
+    private static AtomicReference<ApolloConfigManager> singletonProtector = new AtomicReference<ApolloConfigManager>();
 
     private ConfigLoader configLoader;
-
     private ConfigurableApplicationContext applicationContext;
 
+    private CompositePropertySource currentPropertySource;
+
     public ApolloConfigManager() {
+        if(!singletonProtector.compareAndSet(null, this)) {
+           throw new IllegalStateException("There should be only one ApolloConfigManager instance!");
+        }
         this.configLoader = ConfigLoaderFactory.getInstance().getRemoteConfigLoader();
     }
 
@@ -53,7 +60,7 @@ public class ApolloConfigManager implements BeanDefinitionRegistryPostProcessor,
     @Override
     public void postProcessBeanDefinitionRegistry(BeanDefinitionRegistry registry) throws BeansException {
         registerDependentBeans(registry);
-        preparePropertySource();
+        initializePropertySource();
     }
 
     /**
@@ -94,14 +101,19 @@ public class ApolloConfigManager implements BeanDefinitionRegistryPostProcessor,
      * First try to load from remote
      * If loading from remote failed, then fall back to local cached properties
      */
-    void preparePropertySource() {
+    void initializePropertySource() {
+        currentPropertySource = loadPropertySource();
+
         MutablePropertySources currentPropertySources = applicationContext.getEnvironment().getPropertySources();
-        if (currentPropertySources.contains(APOLLO_PROPERTY_SOURCE_NAME)) {
-            currentPropertySources.remove(APOLLO_PROPERTY_SOURCE_NAME);
+        if (currentPropertySources.contains(currentPropertySource.getName())) {
+            currentPropertySources.remove(currentPropertySource.getName());
         }
+        currentPropertySources.addFirst(currentPropertySource);
+    }
 
-        CompositePropertySource composite = new CompositePropertySource(APOLLO_PROPERTY_SOURCE_NAME);
-        composite.addPropertySource(configLoader.loadPropertySource());
-        currentPropertySources.addFirst(composite);
+    CompositePropertySource loadPropertySource() {
+        CompositePropertySource compositePropertySource = new CompositePropertySource(APOLLO_PROPERTY_SOURCE_NAME);
+        compositePropertySource.addPropertySource(configLoader.loadPropertySource());
+        return compositePropertySource;
     }
 }

apollo-client/src/main/java/com/ctrip/apollo/client/loader/impl/RemoteConfigLoader.java

 package com.ctrip.apollo.client.loader.impl;
 
-import java.io.IOException;
-import java.util.List;
-import java.util.concurrent.Callable;
-import java.util.concurrent.ExecutionException;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-import java.util.concurrent.Future;
-import java.util.concurrent.ThreadFactory;
-import java.util.concurrent.atomic.AtomicLong;
-
+import com.ctrip.apollo.client.loader.ConfigLoader;
+import com.ctrip.apollo.client.model.ApolloRegistry;
+import com.ctrip.apollo.client.util.ConfigUtil;
+import com.ctrip.apollo.core.dto.ApolloConfig;
+import com.google.common.collect.Lists;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.core.env.CompositePropertySource;
@@ -21,11 +16,10 @@ import org.springframework.http.ResponseEntity;
 import org.springframework.util.StringUtils;
 import org.springframework.web.client.RestTemplate;
 
-import com.ctrip.apollo.client.loader.ConfigLoader;
-import com.ctrip.apollo.client.model.ApolloRegistry;
-import com.ctrip.apollo.client.util.ConfigUtil;
-import com.ctrip.apollo.core.model.ApolloConfig;
-import com.google.common.collect.Lists;
+import java.io.IOException;
+import java.util.List;
+import java.util.concurrent.*;
+import java.util.concurrent.atomic.AtomicLong;
 
 /**
  * Load config from remote config server

apollo-client/src/test/java/com/ctrip/apollo/client/ApolloConfigManagerTest.java

 package com.ctrip.apollo.client;
 
 import com.ctrip.apollo.client.loader.ConfigLoader;
+import org.junit.After;
 import org.junit.Before;
+import org.junit.BeforeClass;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.ArgumentCaptor;
@@ -16,6 +18,8 @@ import org.springframework.core.env.ConfigurableEnvironment;
 import org.springframework.core.env.MutablePropertySources;
 import org.springframework.test.util.ReflectionTestUtils;
 
+import java.util.concurrent.atomic.AtomicReference;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 import static org.mockito.Mockito.*;
@@ -48,6 +52,13 @@ public class ApolloConfigManagerTest {
         ReflectionTestUtils.setField(apolloConfigManager, "configLoader", configLoader);
     }
 
+    @After
+    public void tearDown() throws Exception {
+        AtomicReference<ApolloConfigManager> singletonProtector =
+            (AtomicReference<ApolloConfigManager>)ReflectionTestUtils.getField(ApolloConfigManager.class, "singletonProtector");
+        singletonProtector.set(null);
+    }
+
     @Test(expected = RuntimeException.class)
     public void testInvalidApplicationContext() {
         ApplicationContext someInvalidApplication = mock(ApplicationContext.class);
@@ -61,7 +72,7 @@ public class ApolloConfigManagerTest {
 
         when(configLoader.loadPropertySource()).thenReturn(somePropertySource);
 
-        apolloConfigManager.preparePropertySource();
+        apolloConfigManager.initializePropertySource();
 
         verify(configLoader, times(1)).loadPropertySource();
         verify(mutablePropertySources, times(1)).addFirst(captor.capture());
@@ -74,7 +85,7 @@ public class ApolloConfigManagerTest {
 
     @Test
     public void testPostProcessBeanDefinitionRegistry() {
-        doNothing().when(apolloConfigManager).preparePropertySource();
+        doNothing().when(apolloConfigManager).initializePropertySource();
 
         apolloConfigManager.postProcessBeanDefinitionRegistry(beanDefinitionRegistry);
 

apollo-client/src/test/java/com/ctrip/apollo/client/loader/impl/RemoteConfigLoaderTest.java

@@ -2,7 +2,7 @@ package com.ctrip.apollo.client.loader.impl;
 
 import com.ctrip.apollo.client.model.ApolloRegistry;
 import com.ctrip.apollo.client.util.ConfigUtil;
-import com.ctrip.apollo.core.model.ApolloConfig;
+import com.ctrip.apollo.core.dto.ApolloConfig;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
 import org.junit.Before;

apollo-configserver/src/main/java/com/ctrip/apollo/configserver/controller/ConfigController.java

@@ -2,7 +2,7 @@ package com.ctrip.apollo.configserver.controller;
 
 import com.ctrip.apollo.biz.entity.Version;
 import com.ctrip.apollo.biz.service.ConfigService;
-import com.ctrip.apollo.core.model.ApolloConfig;
+import com.ctrip.apollo.core.dto.ApolloConfig;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;

apollo-configserver/src/test/java/com/ctrip/apollo/configserver/controller/ConfigControllerTest.java

@@ -2,7 +2,7 @@ package com.ctrip.apollo.configserver.controller;
 
 import com.ctrip.apollo.biz.entity.Version;
 import com.ctrip.apollo.biz.service.ConfigService;
-import com.ctrip.apollo.core.model.ApolloConfig;
+import com.ctrip.apollo.core.dto.ApolloConfig;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;

apollo-core/src/main/java/com/ctrip/apollo/core/model/ApolloConfig.java → apollo-core/src/main/java/com/ctrip/apollo/core/dto/ApolloConfig.java

-package com.ctrip.apollo.core.model;
+package com.ctrip.apollo.core.dto;
 
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonProperty;

apollo-demo/src/main/java/com/ctrip/apollo/demo/controller/DemoController.java

@@ -35,13 +35,12 @@ public class DemoController {
 
     @RequestMapping(value = "/config/{configName:.*}", method = RequestMethod.GET)
     public Config queryConfig(@PathVariable String configName) {
-        String value;
-        if (configName.equals("foo")) {
-            value = demoService.getFoo();
-        } else {
-            value = env.getProperty(configName, "undefined");
-        }
-        return new Config(configName, value);
+        return new Config(configName, env.getProperty(configName, "undefined"));
+    }
+
+    @RequestMapping(value = "/injected/config", method = RequestMethod.GET)
+    public Config queryInjectedConfig() {
+        return new Config("apollo.foo", demoService.getFoo());
     }
 
     @RequestMapping(value = "/client/registries", method = RequestMethod.GET)

apollo-demo/src/main/webapp/s/scripts/app.js

@@ -12,6 +12,7 @@
         this.registries = {};
         this.configQuery = {};
         //this.refreshResult = NONE;
+        this.injectedConfigValue = '';
 
         var self = this;
 
@@ -35,6 +36,16 @@
                 });
         };
 
+        this.queryInjectedConfig = function () {
+            $http.get("demo/injected/config")
+                .success(function(data) {
+                    self.injectedConfigValue = data.value;
+                })
+                .error(function(data, status) {
+                    toastr.error((data && data.msg) || 'Load injected config failed');
+                });
+        };
+
         //this.refreshConfig = function() {
         //    $http.post("refresh")
         //        .success(function(data) {

apollo-demo/src/main/webapp/s/templates/list.html

@@ -14,14 +14,15 @@
             <tr ng-repeat="item in demoCtrl.registries">
                 <td>{{item.appId}}</td>
                 <td>{{item.version}}</td>
-            </tr.>
+            </tr>
             </tbody>
         </table>
     </div>
 
     <div id="load-config-wrapper">
         <h3>Load Config:</h3>
-        <form name="loadConfigForm" class="form-horizontal" novalidate ng-submit="demoCtrl.queryConfig()">
+        <form name="loadConfigForm" class="form-horizontal" novalidate
+              ng-submit="demoCtrl.queryConfig()">
             <div class="form-group"
                  ng-class="{ 'has-error' : loadConfigForm.configName.$invalid && loadConfigForm.configName.$dirty}">
                 <div id="input-config-wrapper" class="clearfix">
@@ -50,12 +51,31 @@
         </form>
     </div>
 
+
+    <div>
+        <h3>Load Injected Config:</h3>
+        <form name="loadInjectedConfigForm" class="form-horizontal" novalidate
+              ng-submit="demoCtrl.queryInjectedConfig()">
+            <div class="form-group">
+                <div class="clearfix">
+                    <label class="col-sm-2 control-label">apollo.foo</label>
+                    <div class="col-sm-3">
+                        <input type="text" name="injectedConfigValue" class="form-control"
+                               ng-model="demoCtrl.injectedConfigValue" readonly/>
+                    </div>
+
+                    <input type="submit" class="btn btn-primary col-sm-1" value="query"/>
+                </div>
+            </div>
+        </form>
+    </div>
+
     <!--<div id="refresh-config-wrapper">-->
-        <!--<h3>Refresh Config:</h3>-->
-        <!--<button type="button" class="btn btn-primary" ng-click="demoCtrl.refreshConfig()">Refresh Config</button>-->
-        <!--<div id="refresh-result">-->
-            <!--<strong>Changed Properties:</strong> {{demoCtrl.refreshResult}}-->
-        <!--</div>-->
+    <!--<h3>Refresh Config:</h3>-->
+    <!--<button type="button" class="btn btn-primary" ng-click="demoCtrl.refreshConfig()">Refresh Config</button>-->
+    <!--<div id="refresh-result">-->
+    <!--<strong>Changed Properties:</strong> {{demoCtrl.refreshResult}}-->
+    <!--</div>-->
     <!--</div>-->
 
 </div>