it.reply.orchestrator.validator.DeploymentRequestValidator.java Source code

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Here is the source code for it.reply.orchestrator.validator.DeploymentRequestValidator.java

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package it.reply.orchestrator.validator;

/*
 * Copyright  2015-2017 Santer Reply S.p.A.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import com.google.common.base.Strings;

import it.reply.orchestrator.dto.request.DeploymentRequest;

import org.springframework.validation.Errors;
import org.springframework.validation.Validator;

import java.net.URI;

public class DeploymentRequestValidator implements Validator {

    @Override
    public boolean supports(Class<?> clazz) {
        return DeploymentRequest.class.equals(clazz);
    }

    @Override
    public void validate(Object target, Errors errors) {
        if (target == null) {
            errors.reject("request.null", "Deployment request is null");
            return;
        }

        DeploymentRequest deploymentRequest = (DeploymentRequest) target;
        String callbackUrl = deploymentRequest.getCallback();
        if (callbackUrl != null) {
            if (Strings.nullToEmpty(callbackUrl).trim().isEmpty()) {
                errors.rejectValue("callback", "callback.blank", "Callback URL is blank");
            } else {
                try {
                    URI.create(callbackUrl).toURL();
                } catch (Exception ex) {
                    errors.rejectValue("callback", "callback.malformed", "Callback URL is malformed");
                }
            }
        }
    }
}