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/*
* Copyright 2015 Open Networking Laboratory
*
* 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.
*/
package org.onosproject.cord.gui.model;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
import java.util.HashMap;
import java.util.Map;
import static org.onosproject.cord.gui.model.XosFunctionDescriptor.URL_FILTER;
/**
* Utility factory for operating on XOS functions.
*/
public class XosFunctionFactory extends JsonFactory {
private static final String PARAMS = "params";
private static final String LEVEL = "level";
private static final String LEVELS = "levels";
// no instantiation
private XosFunctionFactory() {}
/**
* Produces the JSON representation of the given XOS function descriptor.
*
* @param xfd function descriptor
* @return JSON encoding
*/
public static ObjectNode toObjectNode(XosFunctionDescriptor xfd) {
ObjectNode root = objectNode()
.put(ID, xfd.id())
.put(NAME, xfd.displayName())
.put(DESC, xfd.description());
root.set(PARAMS, paramsForXfd(xfd));
return root;
}
private static ObjectNode paramsForXfd(XosFunctionDescriptor xfd) {
ParamsFactory psf = PARAM_MAP.get(xfd);
if (psf == null) {
psf = DEF_PARAMS_FACTORY;
}
return psf.params();
}
// ==== handling different parameter structures...
private static final Map<XosFunctionDescriptor, ParamsFactory>
PARAM_MAP = new HashMap<XosFunctionDescriptor, ParamsFactory>();
private static final ParamsFactory DEF_PARAMS_FACTORY = new ParamsFactory();
static {
PARAM_MAP.put(URL_FILTER, new UrlFilterParamsFactory());
}
/**
* Creates an object node representation of the profile for the
* specified user.
*
* @param user the user
* @return object node profile
*/
public static ObjectNode profileForUser(SubscriberUser user) {
ObjectNode root = objectNode();
for (XosFunctionDescriptor xfd: XosFunctionDescriptor.values()) {
XosFunction.Memento mem = user.getMemento(xfd);
if (mem != null) {
root.set(xfd.id(), mem.toObjectNode());
}
}
return root;
}
// ===================================================================
// === factories for creating parameter structures, both default
// and from a memento...
// private parameter structure creator
static class ParamsFactory {
ObjectNode params() {
return objectNode();
}
}
static class UrlFilterParamsFactory extends ParamsFactory {
@Override
ObjectNode params() {
ObjectNode result = objectNode();
result.put(LEVEL, UrlFilterFunction.DEFAULT_LEVEL.name());
ArrayNode levels = arrayNode();
for (UrlFilterFunction.Level lvl: UrlFilterFunction.Level.values()) {
levels.add(lvl.name());
}
result.set(LEVELS, levels);
return result;
}
}
}
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