org.bimserver.shared.json.JsonSocketReflector Maven / Gradle / Ivy

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Shared libraries, common parent for both BIMserver and BimServerClientLib
There is a newer version: 2.0.0
package org.bimserver.shared.json;

/******************************************************************************
 * Copyright (C) 2009-2016  BIMserver.org
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see {@literal}.
 *****************************************************************************/

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.io.InputStreamReader;

import org.apache.commons.io.IOUtils;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.protocol.BasicHttpContext;
import org.apache.http.protocol.HttpContext;
import org.bimserver.shared.TokenHolder;
import org.bimserver.shared.meta.SServicesMap;
import org.bimserver.shared.reflector.ReflectorException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.google.common.base.Charsets;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;

public class JsonSocketReflector extends JsonReflector {

	private static final Logger LOGGER = LoggerFactory.getLogger(JsonSocketReflector.class);
	private final String remoteAddress;
	private final HttpClient httpclient;
	private final HttpContext context;
	private TokenHolder tokenHolder;

	public JsonSocketReflector(HttpClient httpclient, SServicesMap servicesMap, String remoteAddress, TokenHolder tokenHolder) {
		super(servicesMap);
		this.httpclient = httpclient;
		this.remoteAddress = remoteAddress;
		this.tokenHolder = tokenHolder;
		this.context = new BasicHttpContext();
	}
	
	public JsonObject call(JsonObject request) throws ReflectorException {
		try {
			if (tokenHolder.getToken() != null) {
				request.addProperty("token", tokenHolder.getToken());
			}
			HttpPost httppost = new HttpPost(remoteAddress);
			httppost.setEntity(new StringEntity(request.toString(), Charsets.UTF_8));

			if (LOGGER.isDebugEnabled()) {
				LOGGER.debug(request.toString());
			}
			
			HttpResponse response = httpclient.execute(httppost, context);
			try {
				if (response.getStatusLine().getStatusCode() == 200) {
					HttpEntity resultEntity = response.getEntity();
					
					JsonParser parser = new JsonParser();
					if (LOGGER.isDebugEnabled()) {
						InputStream inputStream = resultEntity.getContent();
						ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
						IOUtils.copy(inputStream, byteArrayOutputStream);
						LOGGER.debug(new String(byteArrayOutputStream.toByteArray(), Charsets.UTF_8));
						JsonObject resultObject = (JsonObject) parser.parse(new InputStreamReader(new ByteArrayInputStream(byteArrayOutputStream.toByteArray()), Charsets.UTF_8));
						return resultObject;
					} else {
						return (JsonObject) parser.parse(new InputStreamReader(resultEntity.getContent(), Charsets.UTF_8));
					}
				} else {
					throw new ReflectorException("Call unsuccessful, status code: " + response.getStatusLine().getStatusCode() + " (" + response.getStatusLine().getReasonPhrase() + ")");
				}
			} finally {
				httppost.releaseConnection();
			}
		} catch (Exception e) {
			throw new ReflectorException(e);
		}
	}
}