/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* 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.keycloak.client.admin.cli.util;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
import java.io.IOException;
import java.util.Iterator;
import static org.keycloak.client.admin.cli.util.OutputUtil.MAPPER;
import static org.keycloak.client.admin.cli.util.OutputUtil.convertToJsonNode;
/**
* @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
*/
public class FilterUtil {
public static JsonNode copyFilteredObject(Object object, ReturnFields returnFields) throws IOException {
JsonNode node = convertToJsonNode(object);
JsonNode r = node;
if (node.isArray()) {
ArrayNode ar = MAPPER.createArrayNode();
for (JsonNode item: node) {
ar.add(copyFilteredObject(item, returnFields));
}
r = ar;
} else if (node.isObject()){
r = MAPPER.createObjectNode();
Iterator<String> fieldNames = node.fieldNames();
while (fieldNames.hasNext()) {
String name = fieldNames.next();
if (returnFields.included(name)) {
JsonNode value = copyFilteredObject(node.get(name), returnFields.child(name));
((ObjectNode) r).set(name, value);
}
}
}
return r;
}
}