fix null bug

Author: xlorne

pom.xml

@@ -12,7 +12,7 @@
 
     <groupId>com.codingapi.springboot</groupId>
     <artifactId>springboot-parent</artifactId>
-    <version>2.1.3</version>
+    <version>2.1.4</version>
 
     <url>https://github.com/codingapi/springboot-framewrok</url>
     <name>springboot-parent</name>

springboot-starter-data-fast/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <artifactId>springboot-parent</artifactId>
         <groupId>com.codingapi.springboot</groupId>
-        <version>2.1.3</version>
+        <version>2.1.4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

springboot-starter-id-generator/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <artifactId>springboot-parent</artifactId>
         <groupId>com.codingapi.springboot</groupId>
-        <version>2.1.3</version>
+        <version>2.1.4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

springboot-starter-security-jwt/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <artifactId>springboot-parent</artifactId>
         <groupId>com.codingapi.springboot</groupId>
-        <version>2.1.3</version>
+        <version>2.1.4</version>
     </parent>
 
     <artifactId>springboot-starter-security-jwt</artifactId>

springboot-starter/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.codingapi.springboot</groupId>
         <artifactId>springboot-parent</artifactId>
-        <version>2.1.3</version>
+        <version>2.1.4</version>
     </parent>
     <artifactId>springboot-starter</artifactId>
 

springboot-starter/src/main/java/com/codingapi/springboot/framework/trigger/TriggerContext.java

@@ -71,19 +71,21 @@ private Class<? extends Trigger> getTriggerClass(Class<?> handler){
     public void trigger(Trigger trigger){
         Class<? extends Trigger> clazz = trigger.getClass();
         List<TriggerHandler> triggerHandlerList = triggers.get(clazz);
-        for(TriggerHandler handler:triggerHandlerList){
-            Class<? extends Trigger> triggerClass = getTriggerClass(handler.getClass());
-            if(triggerClass.equals(clazz)) {
-                try {
-                    boolean canTrigger = handler.preTrigger(trigger);
-                    if (canTrigger) {
-                        handler.trigger(trigger);
+        if(triggerHandlerList!=null) {
+            for (TriggerHandler handler : triggerHandlerList) {
+                Class<? extends Trigger> triggerClass = getTriggerClass(handler.getClass());
+                if (triggerClass.equals(clazz)) {
+                    try {
+                        boolean canTrigger = handler.preTrigger(trigger);
+                        if (canTrigger) {
+                            handler.trigger(trigger);
+                        }
+                        if (handler.remove(trigger, canTrigger)) {
+                            triggerHandlerList.remove(handler);
+                        }
+                    } catch (Exception e) {
+                        log.warn("trigger error", e);
                     }
-                    if (handler.remove(trigger,canTrigger)) {
-                        triggerHandlerList.remove(handler);
-                    }
-                }catch (Exception e){
-                    log.warn("trigger error",e);
                 }
             }
         }