/
FeatureDefinitionEmptyException.java
123 lines (101 loc) · 4.53 KB
/
FeatureDefinitionEmptyException.java
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/*
* Copyright (c) 2017 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
*
* Contributors:
* Bosch Software Innovations GmbH - initial contribution
*/
package org.eclipse.ditto.model.things;
import java.net.URI;
import javax.annotation.Nullable;
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;
/**
* This exception is thrown if a Feature Definition was set to an empty array.
*/
public final class FeatureDefinitionEmptyException extends DittoRuntimeException implements ThingException {
/**
* Error code of this exception.
*/
public static final String ERROR_CODE = ERROR_CODE_PREFIX + "feature.definition.empty";
private static final String MESSAGE_TEMPLATE = "Feature Definition must not be empty!";
private static final String DEFAULT_DESCRIPTION = "A Feature Definition must contain at least one element. It can " +
"however also be set to null or deleted completely.";
private static final long serialVersionUID = -3812521480675928569L;
/**
* Constructs a new {@code FeatureDefinitionEmptyException} object.
*/
public FeatureDefinitionEmptyException() {
this(DittoHeaders.empty(), MESSAGE_TEMPLATE, DEFAULT_DESCRIPTION, null, null);
}
private FeatureDefinitionEmptyException(final DittoHeaders dittoHeaders,
@Nullable final String message,
@Nullable final String description,
@Nullable final Throwable cause,
@Nullable final URI href) {
super(ERROR_CODE, HttpStatusCode.BAD_REQUEST, dittoHeaders, message, description, cause, href);
}
/**
* Returns a mutable builder with a fluent API for an immutable {@code FeatureDefinitionEmptyException}.
*
* @return the builder.
*/
public static Builder newBuilder() {
return new Builder();
}
/**
* Constructs a new {@code FeatureDefinitionEmptyException} object with the given exception message.
*
* @param message detail message. This message can be later retrieved by the {@link #getMessage()} method.
* @param dittoHeaders the headers of the command which resulted in this exception.
* @return the new FeatureDefinitionEmptyException.
*/
public static FeatureDefinitionEmptyException fromMessage(final String message,
final DittoHeaders dittoHeaders) {
return new Builder()
.dittoHeaders(dittoHeaders)
.message(message)
.build();
}
/**
* Constructs a new {@code FeatureDefinitionEmptyException} 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 FeatureDefinitionEmptyException.
* @throws org.eclipse.ditto.json.JsonMissingFieldException if the {@code jsonObject} does not have the
* {@link JsonFields#MESSAGE} field.
*/
public static FeatureDefinitionEmptyException fromJson(final JsonObject jsonObject,
final DittoHeaders dittoHeaders) {
return fromMessage(DittoRuntimeException.readMessage(jsonObject), dittoHeaders);
}
/**
* A mutable builder with a fluent API for an immutable {@code FeatureDefinitionEmptyException}.
*/
@NotThreadSafe
public static final class Builder extends
DittoRuntimeExceptionBuilder<FeatureDefinitionEmptyException> {
private Builder() {
description(DEFAULT_DESCRIPTION);
message(MESSAGE_TEMPLATE);
}
@Override
protected FeatureDefinitionEmptyException doBuild(final DittoHeaders dittoHeaders,
@Nullable final String message,
@Nullable final String description,
@Nullable final Throwable cause,
@Nullable final URI href) {
return new FeatureDefinitionEmptyException(dittoHeaders, message, description, cause, href);
}
}
}