对HttpKit做了些扩展，增加了PUT、DELETE方法，可传入自定义SSLSocketFactory，代码如下：
public class HttpKit {
private HttpKit() {
}
/**
* https 域名校验
*/
private class TrustAnyHostnameVerifier implements HostnameVerifier {
public boolean verify(String hostname, SSLSession session) {
return true;
}
}
/**
* https 证书管理
*/
private class TrustAnyTrustManager implements X509TrustManager {
public X509Certificate[] getAcceptedIssuers() {
return null;
}
public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {
}
public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {
}
}
private static final String GET = "GET";
private static final String POST = "POST";
private static final String PUT = "PUT";
private static final String DELETE = "DELETE";
private static final String CHARSET = "UTF-8";
private static final TrustAnyHostnameVerifier trustAnyHostnameVerifier = new HttpKit().new TrustAnyHostnameVerifier();
private static SSLSocketFactory initSSLSocketFactory() {
try {
TrustManager[] tm = {new HttpKit().new TrustAnyTrustManager()};
SSLContext sslContext = SSLContext.getInstance("TLS", "SunJSSE");
sslContext.init(null, tm, new java.security.SecureRandom());
return sslContext.getSocketFactory();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
private static HttpURLConnection getHttpConnection(String url, SSLSocketFactory sslSocketFactory, String method, Map<String, String> headers) throws IOException, NoSuchAlgorithmException, NoSuchProviderException, KeyManagementException {
URL _url = new URL(url);
HttpURLConnection conn = (HttpURLConnection) _url.openConnection();
if (conn instanceof HttpsURLConnection) {
if (sslSocketFactory != null) {
((HttpsURLConnection) conn).setSSLSocketFactory(sslSocketFactory);
} else {
((HttpsURLConnection) conn).setSSLSocketFactory(initSSLSocketFactory());
}
((HttpsURLConnection) conn).setHostnameVerifier(trustAnyHostnameVerifier);
}
conn.setRequestMethod(method);
conn.setDoOutput(true);
conn.setDoInput(true);
conn.setConnectTimeout(19000);
conn.setReadTimeout(19000);
conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
conn.setRequestProperty("User-Agent", "Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.146 Safari/537.36");
if (headers != null && !headers.isEmpty())
for (Entry<String, String> entry : headers.entrySet())
conn.setRequestProperty(entry.getKey(), entry.getValue());
return conn;
}
private static String read(String url, SSLSocketFactory sslSocketFactory, String method, Map<String, String> queryParas, Map<String, String> headers) {
HttpURLConnection conn = null;
try {
conn = getHttpConnection(buildUrlWithQueryString(url, queryParas), sslSocketFactory, method, headers);
conn.connect();
return readResponseString(conn);
} catch (Exception e) {
throw new RuntimeException(e);
} finally {
if (conn != null) {
conn.disconnect();
}
}
}
/**
* Send GET request
*/
public static String get(String url, SSLSocketFactory sslSocketFactory, Map<String, String> queryParas, Map<String, String> headers) {
return read(url, sslSocketFactory, GET, queryParas, headers);
}
public static String get(String url, Map<String, String> queryParas, Map<String, String> headers) {
return get(url, null, queryParas, headers);
}
public static String get(String url, Map<String, String> queryParas) {
return get(url, queryParas, null);
}
public static String get(String url) {
return get(url, null);
}
public static byte[] getBytes(String url, SSLSocketFactory sslSocketFactory, Map<String, String> queryParas, Map<String, String> headers) {
HttpURLConnection conn = null;
try {
conn = getHttpConnection(buildUrlWithQueryString(url, queryParas), sslSocketFactory, GET, headers);
conn.connect();
return readResponseByte(conn);
} catch (Exception e) {
throw new RuntimeException(e);
} finally {
if (conn != null) {
conn.disconnect();
}
}
}
public static byte[] getBytes(String url, Map<String, String> queryParas) {
return getBytes(url, null, queryParas, null);
}
public static byte[] getBytes(String url) {
return getBytes(url, null);
}
/**
* Send DELETE request
*/
public static String delete(String url, SSLSocketFactory sslSocketFactory, Map<String, String> queryParas, Map<String, String> headers) {
return read(url, sslSocketFactory, DELETE, queryParas, headers);
}
public static String delete(String url, Map<String, String> queryParas) {
return delete(url, null, queryParas, null);
}
public static String delete(String url) {
return delete(url, null, null, null);
}
private static String write(String url, SSLSocketFactory sslSocketFactory, String method, Map<String, String> queryParas, String data, Map<String, String> headers) {
HttpURLConnection conn = null;
try {
conn = getHttpConnection(buildUrlWithQueryString(url, queryParas), sslSocketFactory, method, headers);
conn.connect();
OutputStream out = conn.getOutputStream();
out.write(data.getBytes(CHARSET));
out.flush();
out.close();
return readResponseString(conn);
} catch (Exception e) {
throw new RuntimeException(e);
} finally {
if (conn != null) {
conn.disconnect();
}
}
}
/**
* Send POST request
*/
public static String post(String url, SSLSocketFactory sslSocketFactory, Map<String, String> queryParas, String data, Map<String, String> headers) {
return write(url, sslSocketFactory, POST, queryParas, data, headers);
}
public static String post(String url, Map<String, String> queryParas, String data, Map<String, String> headers) {
return post(url, null, queryParas, data, headers);
}
public static String post(String url, Map<String, String> queryParas, String data) {
return post(url, queryParas, data, null);
}
public static String post(String url, String data, Map<String, String> headers) {
return post(url, null, data, headers);
}
public static String post(String url, String data) {
return post(url, null, data, null);
}
/**
* Send PUT request
*/
public static String put(String url, SSLSocketFactory sslSocketFactory, Map<String, String> queryParas, String data, Map<String, String> headers) {
return write(url, sslSocketFactory, PUT, queryParas, data, headers);
}
public static String put(String url, Map<String, String> queryParas, String data, Map<String, String> headers) {
return put(url, null, queryParas, data, headers);
}
public static String put(String url, Map<String, String> queryParas, String data) {
return put(url, queryParas, data, null);
}
public static String put(String url, String data, Map<String, String> headers) {
return put(url, null, data, headers);
}
public static String put(String url, String data) {
return put(url, null, data, null);
}
private static String readResponseString(HttpURLConnection conn) {
StringBuilder sb = new StringBuilder();
InputStream inputStream = null;
try {
inputStream = conn.getInputStream();
BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream, CHARSET));
String line = null;
while ((line = reader.readLine()) != null) {
sb.append(line).append("\n");
}
return sb.toString();
} catch (Exception e) {
throw new RuntimeException(e);
} finally {
if (inputStream != null) {
try {
inputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
private static byte[] readResponseByte(HttpURLConnection conn) {
InputStream inputStream = null;
ByteArrayOutputStream outStream = null;
try {
inputStream = conn.getInputStream();
outStream = new ByteArrayOutputStream();
byte[] buffer = new byte[1024];
int len = 0;
while ((len = inputStream.read(buffer)) != -1) {
outStream.write(buffer, 0, len);
outStream.flush();
}
return outStream.toByteArray();
} catch (Exception e) {
throw new RuntimeException(e);
} finally {
if (inputStream != null) {
try {
inputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if (outStream != null) {
try {
outStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
/**
* Build queryString of the url
*/
private static String buildUrlWithQueryString(String url, Map<String, String> queryParas) {
if (queryParas == null || queryParas.isEmpty())
return url;
StringBuilder sb = new StringBuilder(url);
boolean isFirst;
if (url.indexOf("?") == -1) {
isFirst = true;
sb.append("?");
} else {
isFirst = false;
}
for (Entry<String, String> entry : queryParas.entrySet()) {
if (isFirst)
isFirst = false;
else
sb.append("&");
String key = entry.getKey();
String value = entry.getValue();
if (StrKit.notBlank(value))
try {
value = URLEncoder.encode(value, CHARSET);
} catch (UnsupportedEncodingException e) {
throw new RuntimeException(e);
}
sb.append(key).append("=").append(value);
}
return sb.toString();
}
public static String readIncommingRequestData(HttpServletRequest request) {
BufferedReader br = null;
try {
StringBuilder result = new StringBuilder();
br = request.getReader();
for (String line = null; (line = br.readLine()) != null;) {
result.append(line).append("\n");
}
return result.toString();
} catch (IOException e) {
throw new RuntimeException(e);
} finally {
if (br != null)
try {
br.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}