mvp

schools/src/main/java/com/lambdaschool/schools/config/SwaggerWebMVC.java

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+package com.lambdaschool.schools.config;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+/**
+ * The application turns off any automatic web page generate done by Spring. This is done to improve exception handling.
+ * However, we do need some web page generate done for Swagger, so we do that here.
+ */
+@Configuration
+public class SwaggerWebMVC
+    implements WebMvcConfigurer
+{
+  /**
+   * Adds the Swagger web pages to Spring.
+   * This still gives the following warning
+   * <p>
+   * No mapping for GET /
+   * No mapping for GET /csrf
+   * <p>
+   * All works though
+   *
+   * @param registry the place that holds the web pages for Spring
+   */
+  @Override
+  public void addResourceHandlers(ResourceHandlerRegistry registry)
+  {
+    registry.addResourceHandler("swagger-ui.html")
+        .addResourceLocations("classpath:/META-INF/resources/");
+
+    registry.addResourceHandler("/webjars/**")
+        .addResourceLocations("classpath:/META-INF/resources/webjars/");
+  }
+}

schools/src/main/java/com/lambdaschool/schools/exceptions/CustomErrorDetails.java

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+package com.lambdaschool.schools.exceptions;
+
+import com.lambdaschool.schools.services.HelperFunctions;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.web.servlet.error.DefaultErrorAttributes;
+import org.springframework.stereotype.Component;
+import org.springframework.web.context.request.WebRequest;
+
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+@Component
+public class CustomErrorDetails extends DefaultErrorAttributes
+{
+  @Autowired
+  HelperFunctions helperFunctions;
+
+  @Override
+  public Map<String, Object> getErrorAttributes(
+      WebRequest webRequest,
+      boolean includeStackTrace)
+  {
+    // title
+    // status
+    // detail
+    // timestamp
+    // developermessage
+    //
+    // errors
+
+    Map<String, Object> errorAttributes = super.getErrorAttributes(webRequest, includeStackTrace);
+    Map<String, Object> errorDetails = new LinkedHashMap<>();
+
+    errorDetails.put("title", errorAttributes.get("error"));
+    errorDetails.put("status", errorAttributes.get("status"));
+    errorDetails.put("detail", errorAttributes.get("message"));
+    errorDetails.put("timestamp", errorAttributes.get("timestamp"));
+    errorDetails.put("developerMessage", "path: " + errorAttributes.get("path"));
+
+    errorDetails.put("errors", helperFunctions.getConstraintViolation(this.getError(webRequest)));
+
+    return errorDetails;
+  }
+}

schools/src/main/java/com/lambdaschool/schools/exceptions/ResourceNotFoundException.java

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+package com.lambdaschool.schools.exceptions;
+
+public class ResourceNotFoundException extends RuntimeException {
+
+  public ResourceNotFoundException(String message) {
+    super("Error from a lambda school app: " + message);
+  }
+}