JSON schema validation wip

backend/build.gradle

@@ -136,6 +136,9 @@ dependencies {
     //JSON schema generator
     testCompile 'com.kjetland:mbknor-jackson-jsonschema_2.12:1.0.29'
     testCompile 'javax.validation:validation-api:2.0.1.Final'
+
+    //JSON schema validator
+    compile 'org.sharegov:mjson:1.4.1'
 }
 
 def generatedSrcDir = new File(buildDir, 'generated/src/main/java')

backend/src/main/groovy/edu/internet2/tier/shibboleth/admin/ui/controller/MetadataSourcesUiDefinitionController.groovy

@@ -2,15 +2,12 @@ package edu.internet2.tier.shibboleth.admin.ui.controller
 
 import com.fasterxml.jackson.databind.ObjectMapper
 import edu.internet2.tier.shibboleth.admin.ui.configuration.CustomPropertiesConfiguration
+import edu.internet2.tier.shibboleth.admin.ui.jsonschema.MetadataSourcesJsonSchemaResourceLocation
 import org.springframework.beans.factory.annotation.Autowired
-import org.springframework.boot.context.properties.ConfigurationProperties
-import org.springframework.core.io.ResourceLoader
 import org.springframework.http.ResponseEntity
 import org.springframework.web.bind.annotation.GetMapping
 import org.springframework.web.bind.annotation.RestController
 
-import javax.annotation.PostConstruct
-
 import static org.springframework.http.HttpStatus.INTERNAL_SERVER_ERROR
 
 /**
@@ -20,17 +17,10 @@ import static org.springframework.http.HttpStatus.INTERNAL_SERVER_ERROR
  * @author Dmitriy Kopylenko
  */
 @RestController('/api/ui/MetadataSources')
-@ConfigurationProperties('shibui')
 class MetadataSourcesUiDefinitionController {
 
-    //Configured via @ConfigurationProperties with 'shibui.metadata-sources-ui-schema-location' property and default
-    //value set here if that property is not explicitly set in application.properties
-    String metadataSourcesUiSchemaLocation = 'classpath:metadata-sources-ui-schema.json'
-
-    URL jsonSchemaUrl
-
     @Autowired
-    ResourceLoader resourceLoader
+    MetadataSourcesJsonSchemaResourceLocation jsonSchemaLocation
 
     @Autowired
     ObjectMapper jacksonObjectMapper
@@ -41,7 +31,7 @@ class MetadataSourcesUiDefinitionController {
     @GetMapping
     ResponseEntity<?> getUiDefinitionJsonSchema() {
         try {
-            def parsedJson = jacksonObjectMapper.readValue(this.jsonSchemaUrl, Map)
+            def parsedJson = jacksonObjectMapper.readValue(this.jsonSchemaLocation.url, Map)
             def widget = parsedJson["properties"]["attributeRelease"]["widget"]
             def data = []
             customPropertiesConfiguration.getAttributes().each {
@@ -59,9 +49,4 @@ class MetadataSourcesUiDefinitionController {
                            sourceUiSchemaDefinitionFile: this.jsonSchemaUrl])
         }
     }
-
-    @PostConstruct
-    def init() {
-        jsonSchemaUrl = this.resourceLoader.getResource(this.metadataSourcesUiSchemaLocation).getURL()
-    }
 }

backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/configuration/JsonSchemaValidationComponentsConfiguration.java

@@ -0,0 +1,18 @@
+package edu.internet2.tier.shibboleth.admin.ui.configuration;
+
+import edu.internet2.tier.shibboleth.admin.ui.jsonschema.MetadataSourcesJsonSchemaResourceLocation;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.core.io.ResourceLoader;
+
+/**
+ * @author Dmitriy Kopylenko
+ */
+@Configuration
+public class JsonSchemaValidationComponentsConfiguration {
+
+    @Bean
+    public MetadataSourcesJsonSchemaResourceLocation metadataSourcesJsonSchemaResourceLocation(ResourceLoader resourceLoader) {
+        return new MetadataSourcesJsonSchemaResourceLocation(resourceLoader);
+    }
+}

backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/jsonschema/JsonSchemaValidationFailedException.java

@@ -0,0 +1,20 @@
+package edu.internet2.tier.shibboleth.admin.ui.jsonschema;
+
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+import java.util.List;
+
+/**
+ * Indicates JSON schema validation failure. Encapsulates a list of error messages produced by JSON schema validator
+ * component.
+ *
+ * @author Dmitriy Kopylenko
+ */
+@RequiredArgsConstructor
+@Getter
+public class JsonSchemaValidationFailedException extends RuntimeException {
+
+    private final List<String> errors;
+
+}

backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/jsonschema/MetadataSourcesJsonSchemaResourceLocation.java

@@ -0,0 +1,58 @@
+package edu.internet2.tier.shibboleth.admin.ui.jsonschema;
+
+import org.springframework.beans.factory.BeanCreationException;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
+import org.springframework.core.io.ResourceLoader;
+import org.springframework.stereotype.Component;
+
+import javax.annotation.PostConstruct;
+import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URL;
+
+/**
+ * Encapsulates metadata sources JSON schema location.
+ *
+ * @author Dmitriy Kopylenko
+ */
+@ConfigurationProperties("shibui")
+public class MetadataSourcesJsonSchemaResourceLocation {
+
+    //Configured via @ConfigurationProperties with 'shibui.metadata-sources-ui-schema-location' property and default
+    //value set here if that property is not explicitly set in application.properties
+    private String metadataSourcesUiSchemaLocation = "classpath:metadata-sources-ui-schema.json";
+
+    private URL jsonSchemaUrl;
+
+    ResourceLoader resourceLoader;
+
+    public MetadataSourcesJsonSchemaResourceLocation(ResourceLoader resourceLoader) {
+        this.resourceLoader = resourceLoader;
+    }
+
+    public URL getUrl() {
+        return this.jsonSchemaUrl;
+    }
+
+    public URI getUri() {
+        try {
+            return this.jsonSchemaUrl.toURI();
+        }
+        catch (URISyntaxException ex) {
+            throw new RuntimeException(ex);
+        }
+    }
+
+    @PostConstruct
+    public void init() {
+        try {
+            this.jsonSchemaUrl = this.resourceLoader.getResource(this.metadataSourcesUiSchemaLocation).getURL();
+        }
+        catch (IOException ex) {
+            throw new BeanCreationException(ex.getMessage(), ex);
+        }
+    }
+}