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MetadataNotModifiableException.java
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MetadataNotModifiableException.java
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/*
* Copyright (c) 2022 Contributors to the Eclipse Foundation
*
* See the NOTICE file(s) distributed with this work for additional
* information regarding copyright ownership.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.eclipse.ditto.things.model.signals.commands.exceptions;
import java.net.URI;
import javax.annotation.Nullable;
import javax.annotation.concurrent.Immutable;
import javax.annotation.concurrent.NotThreadSafe;
import org.eclipse.ditto.base.model.common.HttpStatus;
import org.eclipse.ditto.base.model.exceptions.DittoRuntimeException;
import org.eclipse.ditto.base.model.exceptions.DittoRuntimeExceptionBuilder;
import org.eclipse.ditto.base.model.headers.DittoHeaders;
import org.eclipse.ditto.base.model.json.JsonParsableException;
import org.eclipse.ditto.json.JsonObject;
import org.eclipse.ditto.things.model.ThingException;
/**
* Thrown if metadata of a Thing can't be modified.
*
* @since 3.0.0
*/
@Immutable
@JsonParsableException(errorCode = MetadataNotModifiableException.ERROR_CODE)
public final class MetadataNotModifiableException extends DittoRuntimeException implements ThingException {
/**
* Error code of this exception.
*/
public static final String ERROR_CODE = ERROR_CODE_PREFIX + "metadata.notmodifiable";
private static final String MESSAGE_TEMPLATE = "Metadata of the Thing could not be modified";
private static final String DEFAULT_DESCRIPTION = "Multiple occurrences of metadata per request is not allowed." +
" Either specify metadata in the header 'put-metadata' or in the Thing '_metadata'.";
private static final long serialVersionUID = -6834592330908135948L;
private MetadataNotModifiableException(final DittoHeaders dittoHeaders,
@Nullable final String message,
@Nullable final String description,
@Nullable final Throwable cause,
@Nullable final URI href) {
super(ERROR_CODE, HttpStatus.BAD_REQUEST, dittoHeaders, message, description, cause, href);
}
/**
* A mutable builder for a {@code MetadataNotModifiableException}.
*
* @return the builder.
*/
public static Builder newBuilder() {
return new Builder();
}
/**
* Constructs a new {@code MetadataNotModifiableException} 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 MetadataNotModifiableException.
* @throws NullPointerException if {@code dittoHeaders} is {@code null}.
*/
public static MetadataNotModifiableException fromMessage(@Nullable final String message,
final DittoHeaders dittoHeaders) {
return DittoRuntimeException.fromMessage(message, dittoHeaders, new Builder());
}
/**
* Constructs a new {@code MetadataNotModifiableException} object with the exception message extracted from the
* given JSON object.
*
* @param jsonObject the JSON to read the
* {@link org.eclipse.ditto.base.model.exceptions.DittoRuntimeException.JsonFields#MESSAGE} field from.
* @param dittoHeaders the headers of the command which resulted in this exception.
* @return the new MetadataNotModifiableException.
* @throws NullPointerException if any argument is {@code null}.
* @throws org.eclipse.ditto.json.JsonMissingFieldException if this JsonObject did not contain an error message.
* @throws org.eclipse.ditto.json.JsonParseException if the passed in {@code jsonObject} was not in the expected
* format.
*/
public static MetadataNotModifiableException fromJson(final JsonObject jsonObject,
final DittoHeaders dittoHeaders) {
return DittoRuntimeException.fromJson(jsonObject, dittoHeaders, new Builder());
}
@Override
public DittoRuntimeException setDittoHeaders(final DittoHeaders dittoHeaders) {
return new Builder()
.message(getMessage())
.description(getDescription().orElse(null))
.cause(getCause())
.href(getHref().orElse(null))
.dittoHeaders(dittoHeaders)
.build();
}
/**
* A mutable builder with a fluent API for a {@link MetadataNotModifiableException}.
*/
@NotThreadSafe
public static final class Builder extends DittoRuntimeExceptionBuilder<MetadataNotModifiableException> {
private Builder() {
description(DEFAULT_DESCRIPTION);
message(MESSAGE_TEMPLATE);
}
@Override
protected MetadataNotModifiableException doBuild(final DittoHeaders dittoHeaders,
@Nullable final String message,
@Nullable final String description,
@Nullable final Throwable cause,
@Nullable final URI href) {
return new MetadataNotModifiableException(dittoHeaders, message, description, cause, href);
}
}
}