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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2016-2018 Ericsson. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.policy.apex.service.engine.event.impl.jsonprotocolplugin;
import org.onap.policy.apex.service.parameters.eventprotocol.EventProtocolTextCharDelimitedParameters;
// @formatter:off
/**
* Event protocol parameters for JSON as an event protocol.
*
* <p>The parameters for this plugin are:
* <ol>
* <li>nameAlias: The field in a JSON event to use as an alias for the event name. This parameter is
* optional.
* <li>versionAlias: The field in a JSON event to use as an alias for the event version. This
* parameter is optional.
* <li>nameSpaceAlias: The field in a JSON event to use as an alias for the event name space. This
* parameter is optional.
* <li>sourceAlias: The field in a JSON event to use as an alias for the event source. This
* parameter is optional.
* <li>targetAlias: The field in a JSON event to use as an alias for the event target. This
* parameter is optional.
* <li>pojoField: The event is received and sent as a single POJO using the event field
* definition in this field name in the schema, there must be one and only one field in the
* event definition, the event has a single parameter whose type is the Pojo. This parameter is optional.
* </ol>
*
* @author Liam Fallon (liam.fallon@ericsson.com)
*/
//@formatter:on
public class JsonEventProtocolParameters extends EventProtocolTextCharDelimitedParameters {
/** The label of this event protocol. */
public static final String JSON_EVENT_PROTOCOL_LABEL = "JSON";
// Constants for text block delimiters
private static final char JSON_TEXT_BLOCK_START_DELIMITER = '{';
private static final char JSON_TEXT_BLOCK_END_DELIMITER = '}';
// Aliases for Apex event header fields
// @formatter:off
private String nameAlias = null;
private String versionAlias = null;
private String nameSpaceAlias = null;
private String sourceAlias = null;
private String targetAlias = null;
// @formatter:on
// Flag indicating POJO decoding and encoding and parameter indicating the name of the Pojo field
private String pojoField = null;
/**
* Constructor to create a JSON event protocol parameter instance and register the instance with the parameter
* service.
*/
public JsonEventProtocolParameters() {
this(JSON_EVENT_PROTOCOL_LABEL);
}
/**
* Constructor to create an event protocol parameters instance with the name of a sub class of this class.
* @param eventProtocolLabel the name of the event protocol for this plugin
*/
public JsonEventProtocolParameters(final String eventProtocolLabel) {
super();
// Set the event protocol properties for the JSON event protocol
this.setLabel(eventProtocolLabel);
// Set the starting and ending delimiters for text blocks of JSON events
this.setStartChar(JSON_TEXT_BLOCK_START_DELIMITER);
this.setEndChar(JSON_TEXT_BLOCK_END_DELIMITER);
// Set the event protocol plugin class
this.setEventProtocolPluginClass(Apex2JsonEventConverter.class.getName());
}
/*
* (non-Javadoc)
*
* @see org.onap.policy.common.parameters.ParameterGroup#getName()
*/
@Override
public String getName() {
return this.getLabel();
}
/**
* Gets the name alias.
*
* @return the name alias
*/
public String getNameAlias() {
return nameAlias;
}
/**
* Gets the version alias.
*
* @return the version alias
*/
public String getVersionAlias() {
return versionAlias;
}
/**
* Gets the name space alias.
*
* @return the name space alias
*/
public String getNameSpaceAlias() {
return nameSpaceAlias;
}
/**
* Gets the source alias.
*
* @return the source alias
*/
public String getSourceAlias() {
return sourceAlias;
}
/**
* Gets the target alias.
*
* @return the target alias
*/
public String getTargetAlias() {
return targetAlias;
}
/**
* Return the name of the POJO field to use for POJO decoding and encoding.
*
* @return the name of the POJO field
*/
public String getPojoField() {
return pojoField;
}
/**
* Sets the name alias.
*
* @param nameAlias the new name alias
*/
public void setNameAlias(String nameAlias) {
this.nameAlias = nameAlias;
}
/**
* Sets the version alias.
*
* @param versionAlias the new version alias
*/
public void setVersionAlias(String versionAlias) {
this.versionAlias = versionAlias;
}
/**
* Sets the name space alias.
*
* @param nameSpaceAlias the new name space alias
*/
public void setNameSpaceAlias(String nameSpaceAlias) {
this.nameSpaceAlias = nameSpaceAlias;
}
/**
* Sets the source alias.
*
* @param sourceAlias the new source alias
*/
public void setSourceAlias(String sourceAlias) {
this.sourceAlias = sourceAlias;
}
/**
* Sets the target alias.
*
* @param targetAlias the new target alias
*/
public void setTargetAlias(String targetAlias) {
this.targetAlias = targetAlias;
}
/**
* Sets the POJO field that name for POJO decoding and encoding.
*
* @param pojoField The name of the POJO field to use on the event
*/
public void setPojoField(final String pojoField) {
this.pojoField = pojoField;
}
}
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