/
ModifyResourceResponse.java
executable file
·244 lines (209 loc) · 9.79 KB
/
ModifyResourceResponse.java
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/*
* Copyright (c) 2017 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.signals.commands.policies.modify;
import static org.eclipse.ditto.model.base.common.ConditionChecker.checkNotNull;
import java.util.Objects;
import java.util.Optional;
import java.util.function.Predicate;
import javax.annotation.Nullable;
import javax.annotation.concurrent.Immutable;
import org.eclipse.ditto.json.JsonFactory;
import org.eclipse.ditto.json.JsonField;
import org.eclipse.ditto.json.JsonFieldDefinition;
import org.eclipse.ditto.json.JsonObject;
import org.eclipse.ditto.json.JsonObjectBuilder;
import org.eclipse.ditto.json.JsonPointer;
import org.eclipse.ditto.json.JsonValue;
import org.eclipse.ditto.model.base.common.HttpStatusCode;
import org.eclipse.ditto.model.base.headers.DittoHeaders;
import org.eclipse.ditto.model.base.json.FieldType;
import org.eclipse.ditto.model.base.json.JsonParsableCommandResponse;
import org.eclipse.ditto.model.base.json.JsonSchemaVersion;
import org.eclipse.ditto.model.policies.Label;
import org.eclipse.ditto.model.policies.PoliciesModelFactory;
import org.eclipse.ditto.model.policies.Resource;
import org.eclipse.ditto.model.policies.ResourceKey;
import org.eclipse.ditto.signals.commands.base.AbstractCommandResponse;
import org.eclipse.ditto.signals.commands.base.CommandResponseJsonDeserializer;
/**
* Response to a {@link ModifyResource} command.
*/
@Immutable
@JsonParsableCommandResponse(type = ModifyResourceResponse.TYPE)
public final class ModifyResourceResponse extends AbstractCommandResponse<ModifyResourceResponse> implements
PolicyModifyCommandResponse<ModifyResourceResponse> {
/**
* Type of this response.
*/
public static final String TYPE = TYPE_PREFIX + ModifyResource.NAME;
static final JsonFieldDefinition<String> JSON_LABEL =
JsonFactory.newStringFieldDefinition("label", FieldType.REGULAR, JsonSchemaVersion.V_2);
static final JsonFieldDefinition<String> JSON_RESOURCE_KEY =
JsonFactory.newStringFieldDefinition("resourceKey", FieldType.REGULAR, JsonSchemaVersion.V_2);
static final JsonFieldDefinition<JsonValue> JSON_RESOURCE =
JsonFactory.newJsonValueFieldDefinition("resource", FieldType.REGULAR, JsonSchemaVersion.V_2);
private final String policyId;
private final Label label;
@Nullable private final Resource resourceCreated;
private ModifyResourceResponse(final String policyId,
final Label label,
@Nullable final Resource resourceCreated,
final HttpStatusCode statusCode,
final DittoHeaders dittoHeaders) {
super(TYPE, statusCode, dittoHeaders);
this.policyId = checkNotNull(policyId, "Policy ID");
this.label = checkNotNull(label, "Label");
this.resourceCreated = resourceCreated;
}
/**
* Creates a response to a {@code ModifyResource} command.
*
* @param policyId the Policy ID of the created resource.
* @param label the Label of the PolicyEntry.
* @param resourceCreated the Resource created.
* @param dittoHeaders the headers of the preceding command.
* @return the response.
* @throws NullPointerException if {@code statusCode} or {@code dittoHeaders} is {@code null}.
*/
public static ModifyResourceResponse created(final String policyId,
final Label label,
final Resource resourceCreated,
final DittoHeaders dittoHeaders) {
return new ModifyResourceResponse(policyId, label, resourceCreated, HttpStatusCode.CREATED, dittoHeaders);
}
/**
* Creates a response to a {@code ModifyResource} command.
*
* @param policyId the Policy ID of the modified resource.
* @param label the Label of the PolicyEntry.
* @param dittoHeaders the headers of the preceding command.
* @return the response.
* @throws NullPointerException if any argument is {@code null}.
*/
public static ModifyResourceResponse modified(final String policyId, final Label label,
final DittoHeaders dittoHeaders) {
return new ModifyResourceResponse(policyId, label, null, HttpStatusCode.NO_CONTENT, dittoHeaders);
}
/**
* Creates a response to a {@code ModifyResource} command from a JSON string.
*
* @param jsonString the JSON string of which the response is to be created.
* @param dittoHeaders the headers of the preceding command.
* @return the response.
* @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 ModifyResourceResponse fromJson(final String jsonString, final DittoHeaders dittoHeaders) {
return fromJson(JsonFactory.newObject(jsonString), dittoHeaders);
}
/**
* Creates a response to a {@code ModifyResource} command from a JSON object.
*
* @param jsonObject the JSON object of which the response is to be created.
* @param dittoHeaders the headers of the preceding command.
* @return the response.
* @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 ModifyResourceResponse fromJson(final JsonObject jsonObject, final DittoHeaders dittoHeaders) {
return new CommandResponseJsonDeserializer<ModifyResourceResponse>(TYPE, jsonObject)
.deserialize((statusCode) -> {
final String policyId =
jsonObject.getValueOrThrow(PolicyModifyCommandResponse.JsonFields.JSON_POLICY_ID);
final String stringLabel = jsonObject.getValueOrThrow(JSON_LABEL);
final Label label = PoliciesModelFactory.newLabel(stringLabel);
final Optional<ResourceKey> extractedResourceKey = jsonObject.getValue(JSON_RESOURCE_KEY)
.map(ResourceKey::newInstance);
final Resource extractedResourceCreated = jsonObject.getValue(JSON_RESOURCE)
.map(JsonValue::asObject)
.map(obj -> extractedResourceKey.map(
resourceKey -> PoliciesModelFactory.newResource(resourceKey, obj)).orElse(null))
.orElse(null);
return new ModifyResourceResponse(policyId, label, extractedResourceCreated, statusCode,
dittoHeaders);
});
}
@Override
public String getId() {
return policyId;
}
/**
* Returns the {@code Label} of the {@code PolicyEntry} whose {@code Resource} was modified.
*
* @return the label.
*/
public Label getLabel() {
return label;
}
/**
* Returns the created {@code Resource}.
*
* @return the created Resource.
*/
public Optional<Resource> getResourceCreated() {
return Optional.ofNullable(resourceCreated);
}
@Override
public Optional<JsonValue> getEntity(final JsonSchemaVersion schemaVersion) {
return Optional.ofNullable(resourceCreated).map(obj -> obj.toJson(schemaVersion, FieldType.notHidden()));
}
@Override
public JsonPointer getResourcePath() {
final String path = "/entries/" + label + "/resources/" + resourceCreated.getResourceKey();
return JsonPointer.of(path);
}
@Override
protected void appendPayload(final JsonObjectBuilder jsonObjectBuilder, final JsonSchemaVersion schemaVersion,
final Predicate<JsonField> thePredicate) {
final Predicate<JsonField> predicate = schemaVersion.and(thePredicate);
jsonObjectBuilder.set(PolicyModifyCommandResponse.JsonFields.JSON_POLICY_ID, policyId, predicate);
jsonObjectBuilder.set(JSON_LABEL, label.toString(), predicate);
if (null != resourceCreated) {
jsonObjectBuilder.set(JSON_RESOURCE_KEY, resourceCreated.getFullQualifiedPath(), predicate);
jsonObjectBuilder.set(JSON_RESOURCE, resourceCreated.toJson(schemaVersion, thePredicate), predicate);
}
}
@Override
public ModifyResourceResponse setDittoHeaders(final DittoHeaders dittoHeaders) {
return (null != resourceCreated) ? created(policyId, label, resourceCreated, dittoHeaders) :
modified(policyId, label, dittoHeaders);
}
@Override
protected boolean canEqual(@Nullable final Object other) {
return other instanceof ModifyResourceResponse;
}
@Override
public boolean equals(@Nullable final Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
final ModifyResourceResponse that = (ModifyResourceResponse) o;
return that.canEqual(this) && Objects.equals(policyId, that.policyId) && Objects.equals(label, that.label)
&& Objects.equals(resourceCreated, that.resourceCreated) && super.equals(o);
}
@Override
public int hashCode() {
return Objects.hash(super.hashCode(), policyId, label, resourceCreated);
}
@Override
public String toString() {
return getClass().getSimpleName() + " [" + super.toString() + ", policyId=" + policyId + ", label=" + label +
", resourceCreated=" + resourceCreated + "]";
}
}