From 1a05305b31f966f64e0f8e5fe1ea06ea26f62be2 Mon Sep 17 00:00:00 2001
From: lor6 <loredana.crusoveanu@yahoo.com>
Date: Mon, 3 Apr 2017 05:18:07 +0300
Subject: [PATCH] custom failureAnalyzer (#1559)

---
 .../FailureAnalyzerApplication.java           | 15 +++++++++++
 ...yBeanNotOfRequiredTypeFailureAnalyzer.java | 25 +++++++++++++++++++
 .../com/baeldung/failureanalyzer/MyDAO.java   |  5 ++++
 .../baeldung/failureanalyzer/MySecondDAO.java |  8 ++++++
 .../baeldung/failureanalyzer/MyService.java   | 13 ++++++++++
 .../main/resources/META-INF/spring.factories  |  1 +
 6 files changed, 67 insertions(+)
 create mode 100644 spring-boot/src/main/java/com/baeldung/failureanalyzer/FailureAnalyzerApplication.java
 create mode 100644 spring-boot/src/main/java/com/baeldung/failureanalyzer/MyBeanNotOfRequiredTypeFailureAnalyzer.java
 create mode 100644 spring-boot/src/main/java/com/baeldung/failureanalyzer/MyDAO.java
 create mode 100644 spring-boot/src/main/java/com/baeldung/failureanalyzer/MySecondDAO.java
 create mode 100644 spring-boot/src/main/java/com/baeldung/failureanalyzer/MyService.java
 create mode 100644 spring-boot/src/main/resources/META-INF/spring.factories

diff --git a/spring-boot/src/main/java/com/baeldung/failureanalyzer/FailureAnalyzerApplication.java b/spring-boot/src/main/java/com/baeldung/failureanalyzer/FailureAnalyzerApplication.java
new file mode 100644
index 0000000000..3489732b6f
--- /dev/null
+++ b/spring-boot/src/main/java/com/baeldung/failureanalyzer/FailureAnalyzerApplication.java
@@ -0,0 +1,15 @@
+package com.baeldung.failureanalyzer;
+
+import javax.annotation.security.RolesAllowed;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class FailureAnalyzerApplication {
+    @RolesAllowed("*")
+    public static void main(String[] args) {
+        System.setProperty("security.basic.enabled", "false");
+        SpringApplication.run(FailureAnalyzerApplication.class, args);
+    }
+}
diff --git a/spring-boot/src/main/java/com/baeldung/failureanalyzer/MyBeanNotOfRequiredTypeFailureAnalyzer.java b/spring-boot/src/main/java/com/baeldung/failureanalyzer/MyBeanNotOfRequiredTypeFailureAnalyzer.java
new file mode 100644
index 0000000000..2f83ad6b57
--- /dev/null
+++ b/spring-boot/src/main/java/com/baeldung/failureanalyzer/MyBeanNotOfRequiredTypeFailureAnalyzer.java
@@ -0,0 +1,25 @@
+package com.baeldung.failureanalyzer;
+
+import org.springframework.beans.factory.BeanNotOfRequiredTypeException;
+import org.springframework.boot.diagnostics.AbstractFailureAnalyzer;
+import org.springframework.boot.diagnostics.FailureAnalysis;
+
+public class MyBeanNotOfRequiredTypeFailureAnalyzer extends AbstractFailureAnalyzer<BeanNotOfRequiredTypeException> {
+
+    @Override
+    protected FailureAnalysis analyze(Throwable rootFailure, BeanNotOfRequiredTypeException cause) {
+        return new FailureAnalysis(getDescription(cause), getAction(cause), cause);
+    }
+
+    private String getDescription(BeanNotOfRequiredTypeException ex) {
+        return "The bean " + ex.getBeanName() //
+                + " could not be injected as " + ex.getRequiredType().getName() //
+                + " because it is of type " + ex.getActualType().getName();
+    }
+
+    private String getAction(BeanNotOfRequiredTypeException ex) {
+        return "Consider creating a bean with name "+ ex.getBeanName() //
+        + " of type " + ex.getRequiredType().getName();
+    }
+
+}
diff --git a/spring-boot/src/main/java/com/baeldung/failureanalyzer/MyDAO.java b/spring-boot/src/main/java/com/baeldung/failureanalyzer/MyDAO.java
new file mode 100644
index 0000000000..ddaeb28574
--- /dev/null
+++ b/spring-boot/src/main/java/com/baeldung/failureanalyzer/MyDAO.java
@@ -0,0 +1,5 @@
+package com.baeldung.failureanalyzer;
+
+public class MyDAO {
+
+}
diff --git a/spring-boot/src/main/java/com/baeldung/failureanalyzer/MySecondDAO.java b/spring-boot/src/main/java/com/baeldung/failureanalyzer/MySecondDAO.java
new file mode 100644
index 0000000000..12dd73a05b
--- /dev/null
+++ b/spring-boot/src/main/java/com/baeldung/failureanalyzer/MySecondDAO.java
@@ -0,0 +1,8 @@
+package com.baeldung.failureanalyzer;
+
+import org.springframework.stereotype.Repository;
+
+@Repository("myDAO")
+public class MySecondDAO {
+
+}
diff --git a/spring-boot/src/main/java/com/baeldung/failureanalyzer/MyService.java b/spring-boot/src/main/java/com/baeldung/failureanalyzer/MyService.java
new file mode 100644
index 0000000000..72334ca8fa
--- /dev/null
+++ b/spring-boot/src/main/java/com/baeldung/failureanalyzer/MyService.java
@@ -0,0 +1,13 @@
+package com.baeldung.failureanalyzer;
+
+import javax.annotation.Resource;
+
+import org.springframework.stereotype.Service;
+
+@Service
+public class MyService {
+
+    @Resource(name = "myDAO")
+    private MyDAO myDAO;
+
+}
diff --git a/spring-boot/src/main/resources/META-INF/spring.factories b/spring-boot/src/main/resources/META-INF/spring.factories
new file mode 100644
index 0000000000..e3d3aa4c8e
--- /dev/null
+++ b/spring-boot/src/main/resources/META-INF/spring.factories
@@ -0,0 +1 @@
+org.springframework.boot.diagnostics.FailureAnalyzer=com.baeldung.failureanalyzer.MyBeanNotOfRequiredTypeFailureAnalyzer
\ No newline at end of file