io.axoniq.axonserver.connector.impl.MessageFactory Maven / Gradle / Ivy
/*
* Copyright (c) 2020. AxonIQ
*
* 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.
*/
package io.axoniq.axonserver.connector.impl;
import io.axoniq.axonserver.connector.ErrorCategory;
import io.axoniq.axonserver.grpc.ErrorMessage;
/**
* Utility class to build simple messages.
*/
public abstract class MessageFactory {
private MessageFactory() {
// Utility class
}
/**
* Build an {@link ErrorMessage}, using the given {@code errorCategory}, {@code client} and {@link Throwable}.
*
* @param errorCategory the {@link ErrorCategory} the constructed {@link ErrorMessage} belongs to
* @param client a {@link String} defining where the constructed {@link ErrorMessage} originates from
* @param t a {@link Throwable} defining the original exception resulting in this {@link ErrorMessage}
* @return an {@link ErrorMessage}, using the given {@code errorCategory}, {@code client} and {@link Throwable}
*/
public static ErrorMessage buildErrorMessage(ErrorCategory errorCategory, String client, Throwable t) {
ErrorMessage.Builder builder = ErrorMessage.newBuilder()
.setLocation(client)
.setErrorCode(errorCategory.errorCode());
if (t != null) {
builder.setMessage(extractMessage(t));
builder.addDetails(extractMessage(t));
while (t.getCause() != null) {
t = t.getCause();
builder.addDetails(extractMessage(t));
}
}
return builder.build();
}
private static String extractMessage(Throwable t) {
return t.getMessage() == null ? t.getClass().getName() : t.getMessage();
}
}
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