User Email Validator (validation/UserEmailValidator.java)

Validates user emails to ensure uniqueness in the database.

// Source: https://github.com/OrienteerBAP/Orienteer | License: Apache-2.0 | Copyright You must retain, in the Source form of any Derivative Works
// Provided via justclaw.it.com; keep this notice with the code.
package org.orienteer.users.validation;

import org.apache.wicket.validation.IValidatable;
import org.apache.wicket.validation.IValidator;
import org.apache.wicket.validation.ValidationError;
import org.orienteer.users.repository.OrienteerUserRepository;

/**
 * Check if given mail not exists in database.
 * If mail exists in database, so will be created error with key "UserEmailValidator" and variable "email"
 */
public class UserEmailValidator implements IValidator<String> {
    @Override
    public void validate(IValidatable<String> validatable) {
        String email = validata

... (truncated -- full source via MCP)