com.wudaosoft.net.httpclient.ImageResponseHandler Maven / Gradle / Ivy
/**
* Copyright 2009-2018 Wudao Software Studio(wudaosoft.com)
*
* 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.wudaosoft.net.httpclient;
import java.awt.image.BufferedImage;
import java.io.IOException;
import javax.imageio.ImageIO;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.ResponseHandler;
/**
* @author Changsoul.Wu
*/
public class ImageResponseHandler implements ResponseHandler {
@Override
public BufferedImage handleResponse(HttpResponse response) throws ClientProtocolException, IOException {
int status = response.getStatusLine().getStatusCode();
if (status != 200) {
throw new ClientProtocolException("Unexpected response status: " + status);
}
HttpEntity entity = response.getEntity();
if (entity == null || !entity.isStreaming()) {
throw new ClientProtocolException("Response contains no content");
}
BufferedImage buffImg = ImageIO.read(entity.getContent());
return buffImg;
}
}