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SudoRetrievePolicyRevision.java
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SudoRetrievePolicyRevision.java
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/*
* Copyright (c) 2020 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.policies.api.commands.sudo;
import static org.eclipse.ditto.base.model.common.ConditionChecker.checkNotNull;
import java.util.Objects;
import java.util.function.Predicate;
import javax.annotation.Nullable;
import javax.annotation.concurrent.Immutable;
import org.eclipse.ditto.base.model.headers.DittoHeaders;
import org.eclipse.ditto.base.model.json.JsonParsableCommand;
import org.eclipse.ditto.base.model.json.JsonSchemaVersion;
import org.eclipse.ditto.base.model.signals.SignalWithEntityId;
import org.eclipse.ditto.base.model.signals.commands.AbstractCommand;
import org.eclipse.ditto.json.JsonFactory;
import org.eclipse.ditto.json.JsonField;
import org.eclipse.ditto.json.JsonObject;
import org.eclipse.ditto.json.JsonObjectBuilder;
import org.eclipse.ditto.policies.model.PolicyId;
import org.eclipse.ditto.utils.jsr305.annotations.AllValuesAreNonnullByDefault;
/**
* Command which retrieves one policy revision based on the the passed in Policy ID w/o
* authorization context.
*/
@Immutable
@AllValuesAreNonnullByDefault
@JsonParsableCommand(typePrefix = PolicySudoCommand.TYPE_PREFIX, name = SudoRetrievePolicyRevision.NAME)
public final class SudoRetrievePolicyRevision extends AbstractCommand<SudoRetrievePolicyRevision>
implements PolicySudoCommand<SudoRetrievePolicyRevision>, SignalWithEntityId<SudoRetrievePolicyRevision> {
/**
* Name of the "Sudo Retrieve Policy" command.
*/
public static final String NAME = "sudoRetrievePolicyRevision";
/**
* Type of this command.
*/
public static final String TYPE = TYPE_PREFIX + NAME;
private final PolicyId policyId;
private SudoRetrievePolicyRevision(final PolicyId policyId, final DittoHeaders dittoHeaders) {
super(TYPE, dittoHeaders);
this.policyId = checkNotNull(policyId, "Policy identifier");
}
/**
* Returns a Command for retrieving the Policy with the given ID.
*
* @param policyId the ID of a single Policy to be retrieved by this command.
* @param dittoHeaders the optional command headers of the request.
* @return a Command for retrieving the Policy with the {@code policyId} as its ID.
* @throws NullPointerException if any argument is {@code null}.
*/
public static SudoRetrievePolicyRevision of(final PolicyId policyId, final DittoHeaders dittoHeaders) {
return new SudoRetrievePolicyRevision(policyId, dittoHeaders);
}
/**
* Creates a new {@code SudoRetrievePolicy} from a JSON string.
*
* @param jsonString the JSON string of which a new SudoRetrievePolicy instance is to be created.
* @param dittoHeaders the optional command headers of the request.
* @return the {@code SudoRetrievePolicy} which was created from the given JSON string.
* @throws NullPointerException if {@code jsonString} is {@code null}.
* @throws IllegalArgumentException if {@code jsonString} is empty.
* @throws org.eclipse.ditto.json.JsonParseException if the passed in {@code jsonString} was not in the expected
* format.
*/
public static SudoRetrievePolicyRevision fromJson(final String jsonString, final DittoHeaders dittoHeaders) {
final JsonObject jsonObject = JsonFactory.newObject(jsonString);
return fromJson(jsonObject, dittoHeaders);
}
/**
* Creates a new {@code SudoRetrievePolicy} from a JSON object.
*
* @param jsonObject the JSON object of which a new SudoRetrievePolicy instance is to be created.
* @param dittoHeaders the optional command headers of the request.
* @return the {@code SudoRetrievePolicy} which was created from the given JSON object.
* @throws NullPointerException if {@code jsonObject} is {@code null}.
* @throws org.eclipse.ditto.json.JsonParseException if the passed in {@code jsonObject} was not in the expected
* format.
*/
public static SudoRetrievePolicyRevision fromJson(final JsonObject jsonObject, final DittoHeaders dittoHeaders) {
final String extractedPolicyId = jsonObject.getValueOrThrow(PolicySudoCommand.JsonFields.JSON_POLICY_ID);
final PolicyId policyId = PolicyId.of(extractedPolicyId);
return SudoRetrievePolicyRevision.of(policyId, dittoHeaders);
}
/**
* Returns the identifier of the {@code Policy} to retrieve.
*
* @return the identifier of the Policy to retrieve.
*/
@Override
public PolicyId getEntityId() {
return policyId;
}
@Override
protected void appendPayload(final JsonObjectBuilder jsonObjectBuilder, final JsonSchemaVersion schemaVersion,
final Predicate<JsonField> thePredicate) {
final Predicate<JsonField> predicate = schemaVersion.and(thePredicate);
jsonObjectBuilder.set(PolicySudoCommand.JsonFields.JSON_POLICY_ID, String.valueOf(policyId), predicate);
}
@Override
public Category getCategory() {
return Category.QUERY;
}
@Override
public SudoRetrievePolicyRevision setDittoHeaders(final DittoHeaders dittoHeaders) {
return of(policyId, dittoHeaders);
}
@SuppressWarnings({"squid:MethodCyclomaticComplexity", "squid:S1067"})
@Override
public boolean equals(@Nullable final Object obj) {
if (this == obj) {
return true;
}
if (obj == null || getClass() != obj.getClass()) {
return false;
}
final SudoRetrievePolicyRevision that = (SudoRetrievePolicyRevision) obj;
return that.canEqual(this) && Objects.equals(policyId, that.policyId) && super.equals(that);
}
@Override
protected boolean canEqual(@Nullable final Object other) {
return other instanceof SudoRetrievePolicyRevision;
}
@SuppressWarnings("squid:S109")
@Override
public int hashCode() {
return Objects.hash(super.hashCode(), policyId);
}
@Override
public String toString() {
return getClass().getSimpleName() + " [" + super.toString() + ", policyId=" + policyId + "]";
}
}