java Http工具类

package xxx;

import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;

import org.apache.commons.lang.StringUtils;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.entity.ByteArrayEntity;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;

public class HttpUtils {　　
//设置编码格式    
String Content-Type= "application/x-www-form-urlencoded; charset=UTF-8";
private static final Logger log = LoggerFactory.getLogger(HttpUtils.class);
    /**
     * get
     * 
     * @param host
     * @param path
     * @param method
     * @param headers
     * @param querys
     * @return
     * @throws Exception
     */
    public static HttpResponse doGet(String host, String path, String method, 
            Map<String, String> headers, 
            Map<String, String> querys)
            throws Exception {        
        HttpClient httpClient = wrapClient(host);

        HttpGet request = new HttpGet(buildUrl(host, path, querys));
        for (Map.Entry<String, String> e : headers.entrySet()) {
            request.addHeader(e.getKey(), e.getValue());
        }
        
        return httpClient.execute(request);
    }
/**
     * 向指定 URL 发送GET方法的请求
     *
     * @param url
     *            发送请求的 URL
     * @param param
     *            请求参数，请求参数应该是 name1=value1&name2=value2 的形式。可为null。
     * @return 所代表远程资源的响应结果
     */
    public static String sendGet(String url, String param) {
        HttpURLConnection conn = null;
        StringBuilder result = new StringBuilder();
        BufferedReader in = null;
        try {
            String urlNameString = url;
            if (param != null && !param.trim().isEmpty()) {
                urlNameString =  urlNameString + "?" + param;
                        
            }
            log.info("发送数据 - {}", urlNameString);
            URL realUrl = new URL(urlNameString);
            conn = (HttpURLConnection) realUrl.openConnection();
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            conn.connect();
            in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "utf-8"));
            String line;
            while ((line = in.readLine()) != null) {
                result.append(line);
            }
            log.info("接收数据 - {}", result);
        } catch (Exception e) {
           throw new ServiceException("发送GET请求异常", e);
        } finally {
            closeQuietly(in);
            closeQuietly(conn);
        }
        return result.toString();
    }
    
    /**
     * post form
     * 
     * @param host
     * @param path
     * @param method
     * @param headers
     * @param querys
     * @param bodys
     * @return
     * @throws Exception
     */
    public static HttpResponse doPost(String host, String path, String method, 
            Map<String, String> headers, 
            Map<String, String> querys, 
            Map<String, String> bodys)
            throws Exception {        
        HttpClient httpClient = wrapClient(host);

        HttpPost request = new HttpPost(buildUrl(host, path, querys));
        for (Map.Entry<String, String> e : headers.entrySet()) {
            request.addHeader(e.getKey(), e.getValue());
        }

        if (bodys != null) {
            List<NameValuePair> nameValuePairList = new ArrayList<NameValuePair>();

            for (String key : bodys.keySet()) {
                nameValuePairList.add(new BasicNameValuePair(key, bodys.get(key)));
            }
            UrlEncodedFormEntity formEntity = new UrlEncodedFormEntity(nameValuePairList, "utf-8");
            formEntity.setContentType("application/x-www-form-urlencoded; charset=UTF-8");
            request.setEntity(formEntity);
        }

        return httpClient.execute(request);
    }    
    /**
     * 向指定 URL 发送POST方法的请求
     *
     * @param url
     *            发送请求的 URL
     * @param param
     *            请求参数，请求参数应该是 name1=value1&name2=value2 的形式。可为null。
     * @return 所代表远程资源的响应结果
     */
    public static String sendPost(String url, String param) {
        HttpURLConnection conn = null;
        PrintWriter out = null;
        BufferedReader in = null;
        StringBuilder result = new StringBuilder();
        try {
            String urlNameString = url;
            log.info("发送Post数据 - {}， param：{}", urlNameString, param);
            URL realUrl = new URL(urlNameString);
            conn = (HttpURLConnection) realUrl.openConnection();
            conn.setRequestMethod("POST");
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            conn.setRequestProperty("Accept-Charset", "utf-8");
            conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
            conn.setDoOutput(true);
            conn.setDoInput(true);
            out = new PrintWriter(new OutputStreamWriter(conn.getOutputStream(), "utf-8"));
            //写入请求参数
            if (param != null && !param.trim().isEmpty()) {
                out.write(param);
                out.flush();
            }
            in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "utf-8"));
            String line;
            while ((line = in.readLine()) != null) {
                result.append(line);
            }
            log.info("接收post数据 - {}", result);
        } catch (Exception e) {
            throw new ServiceException("发送POST请求异常", e);
        } finally {
            closeQuietly(out);
            closeQuietly(in);
            closeQuietly(conn);
        }
        return result.toString();
    }
    /**
     * Post String
     * 
     * @param host
     * @param path
     * @param method
     * @param headers
     * @param querys
     * @param body
     * @return
     * @throws Exception
     */
    public static HttpResponse doPost(String host, String path, String method, 
            Map<String, String> headers, 
            Map<String, String> querys, 
            String body)
            throws Exception {        
        HttpClient httpClient = wrapClient(host);

        HttpPost request = new HttpPost(buildUrl(host, path, querys));
        for (Map.Entry<String, String> e : headers.entrySet()) {
            request.addHeader(e.getKey(), e.getValue());
        }

        if (StringUtils.isNotBlank(body)) {
            request.setEntity(new StringEntity(body, "utf-8"));
        }

        return httpClient.execute(request);
    }
    
    /**
     * Post stream
     * 
     * @param host
     * @param path
     * @param method
     * @param headers
     * @param querys
     * @param body
     * @return
     * @throws Exception
     */
    public static HttpResponse doPost(String host, String path, String method, 
            Map<String, String> headers, 
            Map<String, String> querys, 
            byte[] body)
            throws Exception {        
        HttpClient httpClient = wrapClient(host);

        HttpPost request = new HttpPost(buildUrl(host, path, querys));
        for (Map.Entry<String, String> e : headers.entrySet()) {
            request.addHeader(e.getKey(), e.getValue());
        }

        if (body != null) {
            request.setEntity(new ByteArrayEntity(body));
        }

        return httpClient.execute(request);
    }
    
    /**
     * Put String
     * @param host
     * @param path
     * @param method
     * @param headers
     * @param querys
     * @param body
     * @return
     * @throws Exception
     */
    public static HttpResponse doPut(String host, String path, String method, 
            Map<String, String> headers, 
            Map<String, String> querys, 
            String body)
            throws Exception {        
        HttpClient httpClient = wrapClient(host);

        HttpPut request = new HttpPut(buildUrl(host, path, querys));
        for (Map.Entry<String, String> e : headers.entrySet()) {
            request.addHeader(e.getKey(), e.getValue());
        }

        if (StringUtils.isNotBlank(body)) {
            request.setEntity(new StringEntity(body, "utf-8"));
        }

        return httpClient.execute(request);
    }
    
    /**
     * Put stream
     * @param host
     * @param path
     * @param method
     * @param headers
     * @param querys
     * @param body
     * @return
     * @throws Exception
     */
    public static HttpResponse doPut(String host, String path, String method, 
            Map<String, String> headers, 
            Map<String, String> querys, 
            byte[] body)
            throws Exception {        
        HttpClient httpClient = wrapClient(host);

        HttpPut request = new HttpPut(buildUrl(host, path, querys));
        for (Map.Entry<String, String> e : headers.entrySet()) {
            request.addHeader(e.getKey(), e.getValue());
        }

        if (body != null) {
            request.setEntity(new ByteArrayEntity(body));
        }

        return httpClient.execute(request);
    }

    /**
     * 发送 PUT请求
     * @param url
     * @param param
     * @return
     */
    public static String sendPut(String url, String param) {
        HttpURLConnection conn = null;
        PrintWriter out = null;
        BufferedReader in = null;
        StringBuilder result = new StringBuilder();
        try {
            String urlNameString = url;
            log.info("sendPut - {}， param：{}", urlNameString, param);
            URL realUrl = new URL(urlNameString);
            conn = (HttpURLConnection) realUrl.openConnection();
            conn.setRequestMethod("PUT");
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            conn.setRequestProperty("Accept-Charset", "utf-8");
            conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
            conn.setDoOutput(true);
            conn.setDoInput(true);
            out = new PrintWriter(new OutputStreamWriter(conn.getOutputStream(), "utf-8"));
            //写入请求参数
            if (param != null && !param.trim().isEmpty()) {
                out.write(param);
                out.flush();
            }
            in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "utf-8"));
            String line;
            while ((line = in.readLine()) != null) {
                result.append(line);
            }
            log.info("recv - {}", result);
        } catch (Exception e) {
            throw new ServiceException("发送PUT请求异常", e);
        } finally {
            closeQuietly(out);
            closeQuietly(in);
            closeQuietly(conn);
        }
        return result.toString();
    }
    
    /**
     * Delete
     *  
     * @param host
     * @param path
     * @param method
     * @param headers
     * @param querys
     * @return
     * @throws Exception
     */
    public static HttpResponse doDelete(String host, String path, String method, 
            Map<String, String> headers, 
            Map<String, String> querys)
            throws Exception {        
        HttpClient httpClient = wrapClient(host);

        HttpDelete request = new HttpDelete(buildUrl(host, path, querys));
        for (Map.Entry<String, String> e : headers.entrySet()) {
            request.addHeader(e.getKey(), e.getValue());
        }
        
        return httpClient.execute(request);
    }
    
    private static String buildUrl(String host, String path, Map<String, String> querys) throws UnsupportedEncodingException {
        StringBuilder sbUrl = new StringBuilder();
        sbUrl.append(host);
        if (!StringUtils.isBlank(path)) {
            sbUrl.append(path);
        }
        if (null != querys) {
            StringBuilder sbQuery = new StringBuilder();
            for (Map.Entry<String, String> query : querys.entrySet()) {
                if (0 < sbQuery.length()) {
                    sbQuery.append("&");
                }
                if (StringUtils.isBlank(query.getKey()) && !StringUtils.isBlank(query.getValue())) {
                    sbQuery.append(query.getValue());
                }
                if (!StringUtils.isBlank(query.getKey())) {
                    sbQuery.append(query.getKey());
                    if (!StringUtils.isBlank(query.getValue())) {
                        sbQuery.append("=");
                        sbQuery.append(URLEncoder.encode(query.getValue(), "utf-8"));
                    }                    
                }
            }
            if (0 < sbQuery.length()) {
                sbUrl.append("?").append(sbQuery);
            }
        }
        
        return sbUrl.toString();
    }
    
    private static HttpClient wrapClient(String host) {
        HttpClient httpClient = new DefaultHttpClient();
        if (host.startsWith("https://")) {
            sslClient(httpClient);
        }
        
        return httpClient;
    }
    
    public static String sendFilePost(String url, Map<String, String> params,
            List<FileAttach> files) throws Exception {
        String BOUNDARY = java.util.UUID.randomUUID().toString();
        String PREFIX = "--", LINEND = "\r\n";
        String MULTIPART_FROM_DATA = "multipart/form-data";
        String CHARSET = "UTF-8";
        
        StringBuilder result = new StringBuilder();
        HttpURLConnection conn = null;
        DataOutputStream outStream = null;
        BufferedReader inStream = null;
        try {
            log.info("sendPost - {}", url);
            URL uri = new URL(url);
            conn = (HttpURLConnection) uri.openConnection();
            // 缓存的最长时间
            conn.setReadTimeout(6 * 1000); 
            // 允许输入
            conn.setDoInput(true);
            // 允许输出
            conn.setDoOutput(true);
            // 不允许使用缓存
            conn.setUseCaches(false);
            conn.setRequestMethod("POST");
            conn.setRequestProperty("connection", "keep-alive");
            conn.setRequestProperty("Charsert", CHARSET);
            conn.setRequestProperty("Content-Type", MULTIPART_FROM_DATA + ";boundary=" + BOUNDARY);

            // 首先组拼文本类型的参数
            StringBuilder normalParams = new StringBuilder();
            for (Map.Entry<String, String> entry : params.entrySet()) {
                normalParams.append(PREFIX);
                normalParams.append(BOUNDARY);
                normalParams.append(LINEND);
                normalParams.append("Content-Disposition: form-data; name=\""
                        + entry.getKey() + "\"" + LINEND);
                normalParams.append("Content-Type: text/plain; charset=" + CHARSET + LINEND);
                normalParams.append("Content-Transfer-Encoding: 8bit" + LINEND);
                normalParams.append(LINEND);
                normalParams.append(entry.getValue());
                normalParams.append(LINEND);
            }

            outStream = new DataOutputStream(conn.getOutputStream());
            outStream.write(normalParams.toString().getBytes());
            // 发送文件数据
            if (files != null && !files.isEmpty()) {
                for (FileAttach fileAttach : files) {
                    StringBuilder sb1 = new StringBuilder();
                    sb1.append(PREFIX);
                    sb1.append(BOUNDARY);
                    sb1.append(LINEND);
                    
                    String contDis = String.format("Content-Disposition: form-data; name=\"%s\"; filename=\"%s\"%s",
                            fileAttach.getFieldName(), fileAttach.getFileName(), LINEND);
                    sb1.append(contDis);
                    
                    sb1.append("Content-Type:" + "application/octet-stream;").append(CHARSET).append(LINEND);
                    
                    sb1.append(LINEND);
                    outStream.write(sb1.toString().getBytes());

                    outStream.write(fileAttach.getFileBytes());

                    outStream.write(LINEND.getBytes());
                }

            }
            // 请求结束标志
            byte[] end_data = (PREFIX + BOUNDARY + PREFIX + LINEND).getBytes();
            outStream.write(end_data);
            outStream.flush();
            
            //读取响应信息
            inStream = new BufferedReader(new InputStreamReader(conn.getInputStream(), "utf-8"));
            String line;
            while ((line = inStream.readLine()) != null) {
                result.append(line);
            }
            log.info("recv - {}", result);
        } catch (Exception e) {
            throw new ServiceException("发送带有文件的POST请求异常", e);
        } finally {
            closeQuietly(outStream);
            closeQuietly(inStream);
            closeQuietly(conn);
        }
        return result.toString();
    }


    private static void sslClient(HttpClient httpClient) {
        try {
            SSLContext ctx = SSLContext.getInstance("TLS");
            X509TrustManager tm = new X509TrustManager() {
                public X509Certificate[] getAcceptedIssuers() {
                    return null;
                }
                public void checkClientTrusted(X509Certificate[] xcs, String str) {
                    
                }
                public void checkServerTrusted(X509Certificate[] xcs, String str) {
                    
                }
            };
            ctx.init(null, new TrustManager[] { tm }, null);
            SSLSocketFactory ssf = new SSLSocketFactory(ctx);
            ssf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
            ClientConnectionManager ccm = httpClient.getConnectionManager();
            SchemeRegistry registry = ccm.getSchemeRegistry();
            registry.register(new Scheme("https", ssf, 443));
        } catch (KeyManagementException ex) {
            throw new RuntimeException(ex);
        } catch (NoSuchAlgorithmException ex) {
            throw new RuntimeException(ex);
        }
    }
}

文件类：

 /**
     * 文件附件信息
     */
    public static class FileAttach {
        /**
         * form表单字段名称
         */
        private String fieldName;
        /**
         * 文件名称
         */
        private String fileName;
        /**
         * 文件字节
         */
        private byte[] fileBytes;
        
        /** 构造函数
         * @param fieldName form表单字段名称
         * @param fileName 文件名称
         * @param fileBytes 文件字节
         */
        public FileAttach(String fieldName, String fileName, byte[] fileBytes) {
            this.fieldName = fieldName;
            this.fileName = fileName;
            this.fileBytes = fileBytes;
        }
public FileAttach() {
        }




private static void closeQuietly(Closeable clo) {
        try {
            if (clo != null) {
                clo.close();
            }
        } catch (Exception e) {
            log.error("资源关闭异常", e);
        }
    }

    /**
     * 安静的关闭http连接。如果关闭失败，仅仅打印日志，不抛出异常。
     * 
     */
    private static void closeQuietly(HttpURLConnection conn) {
        try {
            if (conn != null) {
                conn.disconnect();
            }
        } catch (Exception e) {
            log.error("HttpURLConnection关闭异常", e);
        }
    }

    @SuppressWarnings("deprecation")
    public static String sendSSLPost(String url, String param) {
        StringBuilder result = new StringBuilder();
        String urlNameString = url + "?" + param;
        HttpsURLConnection conn = null;
        DataInputStream indata = null;
        try {
            log.info("sendSSLPost - {}", urlNameString);
            SSLContext sc = SSLContext.getInstance("SSL");
            sc.init(null, new TrustManager[] { new TrustAnyTrustManager() }, new java.security.SecureRandom());
            URL console = new URL(urlNameString);
            conn = (HttpsURLConnection) console.openConnection();
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            conn.setRequestProperty("Accept-Charset", "utf-8");
            conn.setRequestProperty("contentType", "utf-8");
            conn.setDoOutput(true);
            conn.setDoInput(true);
            conn.setRequestMethod("POST");

            conn.setSSLSocketFactory(sc.getSocketFactory());
            conn.setHostnameVerifier(new TrustAnyHostnameVerifier());
            conn.connect();
            indata = new DataInputStream(conn.getInputStream());
            String ret = "";
            while (ret != null) {
                ret = indata.readLine();
                if (ret != null && !ret.trim().equals("")) {
                    result.append(new String(ret.getBytes("ISO-8859-1"), "utf-8"));
                }
            }
            log.info("recv - {}", result);
        } catch (Exception e) {
            throw new ServiceException("发送SSL-POST请求异常", e);
        } finally {
            closeQuietly(indata);
            closeQuietly(conn);
        }
        return result.toString();
    }





private static class TrustAnyTrustManager implements X509TrustManager {
        @Override
        public void checkClientTrusted(X509Certificate[] chain, String authType) {
        }

        @Override
        public void checkServerTrusted(X509Certificate[] chain, String authType) {
        }

        @Override
        public X509Certificate[] getAcceptedIssuers() {
            return new X509Certificate[] {};
        }
    }

    private static class TrustAnyHostnameVerifier implements HostnameVerifier {
        @Override
        public boolean verify(String hostname, SSLSession session) {
            return true;
        }
    }