/
MissingThingIdsException.java
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/
MissingThingIdsException.java
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/*
* Copyright (c) 2017-2018 Bosch Software Innovations GmbH.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/org/documents/epl-2.0/index.php
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.eclipse.ditto.signals.commands.things.exceptions;
import java.net.URI;
import javax.annotation.Nullable;
import javax.annotation.concurrent.Immutable;
import javax.annotation.concurrent.NotThreadSafe;
import org.eclipse.ditto.json.JsonObject;
import org.eclipse.ditto.model.base.common.HttpStatusCode;
import org.eclipse.ditto.model.base.exceptions.DittoRuntimeException;
import org.eclipse.ditto.model.base.exceptions.DittoRuntimeExceptionBuilder;
import org.eclipse.ditto.model.base.headers.DittoHeaders;
import org.eclipse.ditto.model.things.ThingException;
/**
* This exception is thrown when multiple things are requested without specifying IDs.
*/
@Immutable
public class MissingThingIdsException extends DittoRuntimeException implements ThingException {
/**
* Error code of this exception.
*/
public static final String ERROR_CODE = ERROR_CODE_PREFIX + "things.ids.missing";
/**
* Status code of this exception.
*/
public static final HttpStatusCode STATUS_CODE = HttpStatusCode.BAD_REQUEST;
private static final String DEFAULT_MESSAGE = "The required list of thing ids was missing.";
private static final String DEFAULT_DESCRIPTION = "Please provide at least one thing id and try again.";
private static final long serialVersionUID = -5672699009682971258L;
private MissingThingIdsException(final DittoHeaders dittoHeaders,
@Nullable final String message,
@Nullable final String description,
@Nullable final Throwable cause,
@Nullable final URI href) {
super(ERROR_CODE, STATUS_CODE, dittoHeaders, message, description, cause, href);
}
@Override
protected Builder getEmptyBuilder() {
return new Builder();
}
/**
* A mutable builder for a {@link MissingThingIdsException}.
*
* @return the builder.
*/
public static Builder newBuilder() {
return new Builder();
}
/**
* Constructs a new {@link MissingThingIdsException} object with the exception message extracted from the
* given JSON object.
*
* @param jsonObject the JSON to read the {@link JsonFields#MESSAGE} field from.
* @param dittoHeaders the headers of the command which resulted in this exception.
* @return the new {@link MissingThingIdsException}.
* @throws org.eclipse.ditto.json.JsonMissingFieldException if the {@code jsonObject} does not have the {@link
* JsonFields#MESSAGE} field.
*/
public static MissingThingIdsException fromJson(final JsonObject jsonObject, final DittoHeaders dittoHeaders) {
return new Builder()
.dittoHeaders(dittoHeaders)
.message(readMessage(jsonObject))
.description(readDescription(jsonObject).orElse(DEFAULT_DESCRIPTION))
.href(readHRef(jsonObject).orElse(null))
.build();
}
/**
* A mutable builder with a fluent API for a {@link MissingThingIdsException}.
*/
@NotThreadSafe
public static final class Builder extends DittoRuntimeExceptionBuilder<MissingThingIdsException> {
private Builder() {
message(DEFAULT_MESSAGE);
description(DEFAULT_DESCRIPTION);
}
@Override
protected MissingThingIdsException doBuild(final DittoHeaders dittoHeaders,
@Nullable final String message,
@Nullable final String description,
@Nullable final Throwable cause,
@Nullable final URI href) {
return new MissingThingIdsException(dittoHeaders, message, description, cause, href);
}
}
}