/*
 * Copyright (c) 2015 EMC Corporation
 * All Rights Reserved
 */
package com.emc.cloud.platform.clientlib;

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;

class StringHttpResponseHandler implements ResponseHandler<String> {
    public String handleResponse(HttpResponse response) throws ClientProtocolException, IOException {
        if (response.getStatusLine().getStatusCode() != 200) {
            throw new ClientHttpResponseException(response.getStatusLine().getStatusCode(), response.getStatusLine().getReasonPhrase());
        }
        HttpEntity entity = response.getEntity();
        InputStream ins = null;
        if (entity != null) {
            ins = entity.getContent();
            if (ins == null) {
                return null;
            }
        }
        byte[] bytes = new byte[1024];
        int bytesRead = ins.read(bytes, 0, 1024);
        if (bytesRead < 0) {
            return null;
        }
        String s = new String(bytes);
        s = s.substring(0, bytesRead);
        return s;
    }
}