package com.tenwa.httpclient;



import org.apache.commons.httpclient.params.HttpClientParams;
import org.apache.commons.io.IOUtils;
import org.codehaus.xfire.client.Client;
import org.codehaus.xfire.transport.http.CommonsHttpMessageSender;
import org.w3c.dom.Document;

import javax.net.ssl.HttpsURLConnection;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.Unmarshaller;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.StringReader;
import java.net.URL;
import java.net.URLConnection;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

/**
 * 鹏元工具类
 */
public class PyUtils {

    /**
     * 发起webservice请求
     *
     * @param urlStr
     * @return
     * @throws Exception
     */
    public static String requestApi(String urlStr, String method, Object[] params) throws Exception {
        String result = "";
        try {
            //调用webservice
            URL url = new URL(urlStr);
            Client client = null;
            URLConnection conn = null;
            if (urlStr.startsWith("https")) {
                /**
                 * https 调用示例
                 */
                conn = (HttpsURLConnection) url.openConnection();
                ((HttpsURLConnection) conn).setSSLSocketFactory(PySSLContextUtil.createCustomerSSLContext().getSocketFactory());

            } else {
                /**
                 * http 调用示例
                 */
                conn = url.openConnection();

            }
            // 设置连接超时
            conn.setConnectTimeout(5000);
            // 设置读取超时
            conn.setReadTimeout(5000);
            client = new Client(conn.getInputStream(), null);

            // 设置
            HttpClientParams httpClientParams = new HttpClientParams();
            // 单位毫秒： 这个超时时间是 等待数据返回的时间
            httpClientParams.setSoTimeout(20000);
            // 设置从 HTTP connection manager 获取一个HTTP connection 的超时时间
            httpClientParams.setConnectionManagerTimeout(10000L);
            // xfire client支持  避免 'Expect: 100-continue' handshake
            httpClientParams.setBooleanParameter(HttpClientParams.USE_EXPECT_CONTINUE, Boolean.FALSE);
            client.setProperty(CommonsHttpMessageSender.HTTP_CLIENT_PARAMS, httpClientParams);
            //xfire client支持 取消长连接
            client.setProperty(CommonsHttpMessageSender.DISABLE_KEEP_ALIVE, "true");

            //得到子报告结果
            Object[] results = client.invoke(method, params);

            if (results[0] instanceof Document) {
                Document doc = (Document) results[0];
                result = doc.getFirstChild().getFirstChild().getNodeValue();
            } else {
                result = (String) results[0];
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return result;
    }

    /**
     * 解析报文（仅供参考）
     *
     * @param bodyStr
     * @return
     * @throws Exception
     */
    public static WebServiceResult parseBody(String bodyStr) throws Exception {
        JAXBContext context = JAXBContext.newInstance(WebServiceResult.class);
        Unmarshaller unmarshaller = context.createUnmarshaller();
        WebServiceResult result = (WebServiceResult) unmarshaller.unmarshal(new StringReader(bodyStr));
        return result;
    }

    /**
     * 解压缩
     *
     * @param data
     * @return
     * @throws Exception
     */
    public static void decompress(byte[] data) throws Exception {

        ByteArrayInputStream bais = new ByteArrayInputStream(data);
        ZipInputStream zis = new ZipInputStream(bais);
        ZipEntry ze = null;
        while ((ze = zis.getNextEntry()) != null) {
            System.out.println("文件名:" + ze.getName());
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            IOUtils.copy(zis, baos);
            zis.closeEntry();
            System.out.println("文件内容:" + new String(baos.toByteArray(), "GBK"));
        }
    }

}