Add account handlers.

src/main/java/io/kamax/mxisd/config/AccountConfig.java

@@ -0,0 +1,24 @@
+package io.kamax.mxisd.config;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class AccountConfig {
+
+    private final static Logger log = LoggerFactory.getLogger(DirectoryConfig.class);
+
+    private boolean allowOnlyTrustDomains = true;
+
+    public boolean isAllowOnlyTrustDomains() {
+        return allowOnlyTrustDomains;
+    }
+
+    public void setAllowOnlyTrustDomains(boolean allowOnlyTrustDomains) {
+        this.allowOnlyTrustDomains = allowOnlyTrustDomains;
+    }
+
+    public void build() {
+        log.info("--- Account config ---");
+        log.info("Allow registration only for trust domain: {}", isAllowOnlyTrustDomains());
+    }
+}