servlet/src/main/java/org/jclouds/ohai/servlet/suppliers/ServletContextInfoSupplier.java

/*
 * 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.jclouds.ohai.servlet.suppliers;

import javax.inject.Inject;
import javax.inject.Singleton;
import javax.servlet.ServletContext;

import org.jclouds.chef.servlet.functions.InitParamsToProperties;
import org.jclouds.json.Json;

/**
 * 
 * @author Adrian Cole
 */
@Singleton
public class ServletContextInfoSupplier extends ServletContextSupplier {
	private final InitParamsToProperties converter;
	private final Json json;

	@Inject
	public ServletContextInfoSupplier(ServletContext servletContext,
			InitParamsToProperties converter, Json json) {
		super(servletContext);
		this.converter = converter;
		this.json = json;
	}

	@Override
	protected String provideJson(ServletContext servletContext) {
		return String.format("{\"server_info\":\"%s\",\"init_params\":%s}",
				servletContext.getServerInfo(),
				json.toJson(converter.apply(servletContext)));
	}
}