Refactor some code in Java8 and transform properties file to yaml file.

src/main/resources/application.yml

@@ -0,0 +1,43 @@
+app:
+  name: Codiki
+  description: A wiki application.
+
+codiki:
+  files:
+    upload: /opt/codiki/pictures/tmp
+    profile-images: /opt/codiki/pictures/profiles
+    images: /opt/codiki/pictures/posts
+
+cors.enabled=false:
+
+logging:
+  file: codiki
+  level:
+    org.codiki: DEBUG
+#    org.hibernate: DEBUG
+  path: /opt/codiki/logs
+
+server:
+#  use-forward-headers=true
+  port: 8080
+#  ssl:
+#    key-store: /home/takiguchi/Developpement/Java/codiki/keystore.p12
+#    key-store-password: aaSrTBqpyRbwLhLi7iVwat2QWHCFQr3e4B9UkBpBPoUxH5UGdJpwenWAKZNTXwgww227CtBYUHogXivRdKpeyHPu2UafsPkGNuKgnDyzZfceFN5r3CxT2eTt
+#    keyStoreType: PKCS12
+#    keyAlias: tomcat
+#  whitelabel:
+#    enabled: false
+
+spring:
+  jpa:
+    datasource:
+      driverClassName: org.postgresql.Driver
+      url: jdbc:postgresql://localhost:5432/codiki
+      username: codiki
+      password: P@ssword
+    # Because detection is disabled you have to set correct dialect by hand.
+    database-platform: org.hibernate.dialect.PostgreSQL9Dialect
+    # Disable feature detection by this undocumented parameter.
+    # Check the org.hibernate.engine.jdbc.internal.JdbcServiceImpl.configure method for more details.
+    properties.hibernate.temp.use_jdbc_metadata_defaults: false
+  servlet.multipart.max-file-size: 104857600