com.dtstack.jlogstash.distributed.http.server.PostHandler.java Source code

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Here is the source code for com.dtstack.jlogstash.distributed.http.server.PostHandler.java

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/**
 * 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 com.dtstack.jlogstash.distributed.http.server;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Map;
import com.google.common.collect.Maps;
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import org.apache.commons.lang3.StringUtils;
import org.codehaus.jackson.map.ObjectMapper;

/**
 * 
 * Reason: TODO ADD REASON(?)
 * Date: 20161230 ?1:16:37
 * Company: www.dtstack.com
 * @author sishu.yss
 *
 */
@SuppressWarnings("restriction")
public abstract class PostHandler implements HttpHandler {

    private static String encoding = "utf-8";

    private static ObjectMapper objectMapper = new ObjectMapper();

    @Override
    public void handle(HttpExchange he) throws IOException {
        // TODO Auto-generated method stub
    }

    protected String getQueryString(HttpExchange exchange) throws IOException {
        String qry;
        InputStream in = exchange.getRequestBody();
        try {
            ByteArrayOutputStream out = new ByteArrayOutputStream();
            byte buf[] = new byte[4096];
            for (int n = in.read(buf); n > 0; n = in.read(buf)) {
                out.write(buf, 0, n);
            }
            qry = new String(out.toByteArray(), encoding);
        } finally {
            in.close();
        }
        return qry;
    }

    protected Map<String, Object> parseQuery(String query) throws IOException {
        Map<String, Object> parameters = Maps.newConcurrentMap();
        if (StringUtils.isNotBlank(query)) {
            parameters.putAll(objectMapper.readValue(query.getBytes(), Map.class));
        }
        return parameters;
    }
}