org.apache.oltu.commons.json.CustomizableEntityWriter Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.oltu.commons.json;
import java.util.Map.Entry;
import org.json.JSONStringer;
public abstract class CustomizableEntityWriter {
private final JSONStringer jsonWriter = new JSONStringer();
public final String write(CE customizableEntity) {
jsonWriter.object();
handleProperties(customizableEntity);
for (Entry customFields : customizableEntity.getCustomFields()) {
set(customFields.getKey(), customFields.getValue());
}
jsonWriter.endObject();
return jsonWriter.toString();
}
protected abstract void handleProperties(CE customizableEntity);
protected final void set(String key, T value) {
if (value != null) {
jsonWriter.key(key).value(value);
}
}
protected final void set(String key, T[] value) {
if (value == null) {
return;
}
jsonWriter.key(key).array();
for (T item : value) {
if (item != null) {
jsonWriter.value(item);
}
}
jsonWriter.endArray();
}
}