JsonNodeResponseHandler.java

/**
 * Licensed 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.seyren.core.service.checker;

import java.io.IOException;
import java.io.InputStream;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.ResponseHandler;
import org.apache.http.util.EntityUtils;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;

public class JsonNodeResponseHandler implements ResponseHandler<JsonNode> {
    
    private static final ObjectMapper MAPPER = new ObjectMapper();
    
    @Override
    public JsonNode handleResponse(HttpResponse response) throws ClientProtocolException, IOException {
        HttpEntity entity = response.getEntity();
        try {
            InputStream stream = entity.getContent();
            return MAPPER.readTree(stream);
        } finally {
            EntityUtils.consume(entity);
        }
    }
    
}