初始化

2017-08-23 12:20:15 +08:00
commit 491d430741
471 changed files with 16355 additions and 0 deletions
@@ -0,0 +1,89 @@
+package com.ifish.jpush.utils;
+
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+import java.security.MessageDigest;
+
+
+public class StringUtils {
+	private final static String[] hexDigits = { "0", "1", "2", "3", "4", "5",
+			"6", "7", "8", "9", "A", "B", "C", "D", "E", "F" };
+
+	private static String byteArrayToHexString(byte[] b) {
+		StringBuffer resultSb = new StringBuffer();
+		for (int i = 0; i < b.length; i++) {
+			resultSb.append(byteToHexString(b[i]));
+		}
+		return resultSb.toString();
+	}
+
+	private static String byteToHexString(byte b) {
+		int n = b;
+		if (n < 0)
+			n = 256 + n;
+		int d1 = n / 16;
+		int d2 = n % 16;
+		return hexDigits[d1] + hexDigits[d2];
+	}
+
+	public static String toMD5(String origin) {
+		String resultString = null;
+		try {
+			resultString = new String(origin);
+			MessageDigest md = MessageDigest.getInstance("MD5");
+			resultString = byteArrayToHexString(md.digest(resultString.getBytes()));
+		} catch (Exception ex) {
+			ex.printStackTrace();
+		}
+		return resultString;
+	}
+	
+	public static String encodeParam(String param) {
+		String encodeParam = null;
+		try {
+			encodeParam = URLEncoder.encode(param, "UTF-8");
+		} catch (UnsupportedEncodingException e) {
+			e.printStackTrace();
+		}
+		return encodeParam;
+	}
+	
+    public static String arrayToString(String[] values) {
+        if (null == values) return "";
+        
+        StringBuffer buffer = new StringBuffer(values.length);
+        for (int i = 0; i < values.length; i++) {
+            buffer.append(values[i]).append(",");
+        }
+        if (buffer.length() > 0) {
+            return buffer.toString().substring(0, buffer.length() - 1);
+        }
+        return "";
+    }
+    
+    public static boolean isEmpty(String s) {
+        return s == null || s.length() == 0;
+    }
+
+    public static boolean isTrimedEmpty(String s) {
+        return s == null || s.trim().length() == 0;
+    }
+
+    public static boolean isNotEmpty(String s) {
+        return s != null && s.length() > 0;
+    }
+
+	public static boolean isLineBroken(String s) {
+		if ( null == s ) {
+			return false;
+		}
+		if  (s.contains("\n")) {
+			return true;
+		}
+		if (s.contains("\r\n")) {
+			return true;
+		}
+		return false;
+	}
+
+}