org.jclouds.ohai.servlet.suppliers.ServletContextInfoSupplier Maven / Gradle / Ivy

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/**
 * Licensed to jclouds, Inc. (jclouds) under one or more
 * contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  jclouds 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)));
	}
}