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java 常用工具类,作为 apache-commons的补充

There is a newer version: 5.3.2302

package com.centit.support.network;

import org.apache.http.Consts;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.StatusLine;
import org.apache.http.client.HttpResponseException;
import org.apache.http.client.ResponseHandler;
import org.apache.http.util.EntityUtils;

import java.io.IOException;

/**
 * copy from {@link org.apache.http.impl.client.BasicResponseHandler}
 * @author Daniel Qian
 *
 */
public class Utf8ResponseHandler implements ResponseHandler {

  public static final ResponseHandler INSTANCE = new Utf8ResponseHandler();

  @Override
  public String handleResponse(final HttpResponse response) throws IOException {
    final StatusLine statusLine = response.getStatusLine();
    final HttpEntity entity = response.getEntity();
    if (statusLine.getStatusCode() >= 300) {
      EntityUtils.consume(entity);
      throw new HttpResponseException(statusLine.getStatusCode(), "Error Code : "+
                  String.valueOf(statusLine.getStatusCode())+", " +statusLine.getReasonPhrase()+"。");
    }
    return entity == null ? null : EntityUtils.toString(entity, Consts.UTF_8);
  }

}