Disable sentinel web filters.

spring-cloud-alibaba-sentinel-gateway/src/main/java/com/alibaba/cloud/sentinel/gateway/GatewayEnvironmentPostProcessor.java

@@ -2,23 +2,58 @@ package com.alibaba.cloud.sentinel.gateway;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.env.EnvironmentPostProcessor;
-import org.springframework.core.env.ConfigurableEnvironment;
-import org.springframework.core.env.PropertiesPropertySource;
+import org.springframework.core.env.*;
 
-import java.util.Properties;
+import java.util.HashMap;
+import java.util.Map;
 
 /**
  * Created by zhh on 2019/8/17.
  */
 public class GatewayEnvironmentPostProcessor implements EnvironmentPostProcessor {
     private final static String SENTINEL_FILTER_ENABLED = "spring.cloud.sentinel.filter.enabled";
-    private final static String FILTERS_DISABLED = "filters_disabled";
+    private final static String PROPERTY_SOURCE_NAME = "defaultProperties";
 
     @Override
     public void postProcessEnvironment(ConfigurableEnvironment environment, SpringApplication springApplication) {
-        Properties properties = new Properties();
-        properties.setProperty(SENTINEL_FILTER_ENABLED, "false");
-        PropertiesPropertySource propertySource = new PropertiesPropertySource(FILTERS_DISABLED, properties);
-        environment.getPropertySources().addLast(propertySource);
+        addDefaultPropertySource(environment);
     }
+
+    private void addDefaultPropertySource(ConfigurableEnvironment environment) {
+
+        Map<String, Object> map = new HashMap<String, Object>();
+
+        configureDefaultProperties(map);
+
+        addOrReplace(environment.getPropertySources(), map);
+    }
+
+    private void configureDefaultProperties(Map<String, Object> source) {
+        // Required Properties
+        source.put(SENTINEL_FILTER_ENABLED, "false");
+    }
+
+    private void addOrReplace(MutablePropertySources propertySources,
+                              Map<String, Object> map) {
+        MapPropertySource target = null;
+        if (propertySources.contains(PROPERTY_SOURCE_NAME)) {
+            PropertySource<?> source = propertySources.get(PROPERTY_SOURCE_NAME);
+            if (source instanceof MapPropertySource) {
+                target = (MapPropertySource) source;
+                for (String key : map.keySet()) {
+                    if (!target.containsProperty(key)) {
+                        target.getSource().put(key, map.get(key));
+                    }
+                }
+            }
+        }
+        if (target == null) {
+            target = new MapPropertySource(PROPERTY_SOURCE_NAME, map);
+        }
+        if (!propertySources.contains(PROPERTY_SOURCE_NAME)) {
+            propertySources.addLast(target);
+        }
+    }
+
+
 }