Add HttpsUtil

Author: MilkZS

subutil/lib/src/main/java/com/blankj/subutil/util/HttpsUtil

@@ -0,0 +1,127 @@
+package com.blankj.subutil.util;
+
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.util.Scanner;
+
+/**
+ * Create by MilkZS on 2019/1/9 13:36
+ */
+public class HttpsUtil {
+
+    private static final int CONNECT_TIMEOUT_TIME = 15000;
+    private static final int READ_TIMEOUT_TIME = 19000;
+
+    /**
+     * POST + JSON
+     *
+     * @param data send data
+     * @param url target url
+     * @return data receive from server
+     * @author MilkZS
+     */
+    public static String postJson(String data, String url) {
+        return doHttpAction(data, true, true, url);
+    }
+
+    /**
+     * POST + FORM
+     *
+     * @param data send data
+     * @param url target url
+     * @return data receive from serv
+     * @author MilkZS
+     */
+    public static String postForm(String data, String url) {
+        return doHttpAction(data, false, true, url);
+    }
+
+    /**
+     * GET + JSON
+     *
+     * @param data send data
+     * @param url target url
+     * @return data receive from server
+     * @author MilkZS
+     */
+    public static String getJson(String data, String url) {
+        return doHttpAction(data, true, false, url);
+    }
+
+    /**
+     * GET + FORM
+     *
+     * @param data send data
+     * @param url target url
+     * @return data receive from server
+     * @author MilkZS
+     */
+    public static String getForm(String data, String url) {
+        return doHttpAction(data, false, false, url);
+    }
+
+    private static String doHttpAction(String data, boolean json, boolean post, String url) {
+        HttpURLConnection connection = null;
+        DataOutputStream os = null;
+        InputStream is = null;
+        try {
+            URL sUrl = new URL(url);
+            connection = (HttpURLConnection) sUrl.openConnection();
+            connection.setConnectTimeout(CONNECT_TIMEOUT_TIME);
+            connection.setReadTimeout(READ_TIMEOUT_TIME);
+            if (post) {
+                connection.setRequestMethod("POST");
+            } else {
+                connection.setRequestMethod("GET");
+            }
+            //允许输入输出
+            connection.setDoInput(true);
+            connection.setDoOutput(true);
+            // 是否使用缓冲
+            connection.setUseCaches(false);
+            // 本次连接是否处理重定向，设置成true，系统自动处理重定向；
+            // 设置成false，则需要自己从http reply中分析新的url自己重新连接。
+            connection.setInstanceFollowRedirects(true);
+            // 设置请求头里的属性
+            if (json) {
+                connection.setRequestProperty("Content-Type", "application/json");
+            } else {
+                connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
+                connection.setRequestProperty("Content-Length", data.length() + "");
+            }
+            connection.connect();
+
+            os = new DataOutputStream(connection.getOutputStream());
+            os.write(data.getBytes(), 0, data.getBytes().length);
+            os.flush();
+            os.close();
+
+            is = connection.getInputStream();
+            Scanner scan = new Scanner(is);
+            scan.useDelimiter("\\A");
+            if (scan.hasNext()) return scan.next();
+        } catch (Exception e) {
+            e.printStackTrace();
+        } finally {
+            if (connection != null) connection.disconnect();
+            if (os != null) {
+                try {
+                    os.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+            if (is != null) {
+                try {
+                    is.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+        return null;
+    }
+}