add some java common utils

Author: 顾汉杰

Base64.java

@@ -0,0 +1,59 @@
+package com.gootrip.util;
+
+/*
+ * Base64 decoding exception.
+ * Copyright (C) 2002 Stephen Ostermiller
+ * http://ostermiller.org/contact.pl?regarding=Java+Utilities
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * See COPYING.TXT for details.
+ */
+
+import java.io.*;
+
+/**
+ * Exception that is thrown when an unexpected character is encountered
+ * during Base64 decoding.  One could catch this exception and use
+ * the unexpected character for some other purpose such as including it
+ * with data that comes at the end of a Base64 encoded section of an email
+ * message.
+ *
+ * @author Stephen Ostermiller http://ostermiller.org/contact.pl?regarding=Java+Utilities
+ * @since ostermillerutils 1.00.00
+ */
+public class Base64DecodingException extends IOException {
+	private char c;
+
+	/**
+	 * Construct an new exception.
+	 *
+	 * @param message message later to be returned by a getMessage() call.
+	 * @param c character that caused this error.
+	 *
+	 * @since ostermillerutils 1.00.00
+	 */
+	public Base64DecodingException(String message, char c){
+		super(message);
+		this.c = c;
+	}
+
+	/**
+	 * Get the character that caused this error.
+	 *
+	 * @return the character that caused this error.
+	 *
+	 * @since ostermillerutils 1.00.00
+	 */
+	public char getChar(){
+		return c;
+	}
+}

Base64DecodingException.java

@@ -0,0 +1,54 @@
+package com.gootrip.util;
+
+public class CConst {
+
+   /**
+   * 网站图片目录
+   */
+   public final static String PIC_ROOT = "/pic/";
+
+   /**
+    * 网站软件目录
+    */
+
+   public final static String SOFT_ROOT = "/soft/";
+
+   /**
+    * 附件文件存放的绝对路径
+    */
+
+   public final static String ATTACH_ROOT = "/attach/";
+
+   /**
+    * 动态程序路径
+    */
+
+   public final static String ProgramPath = "/programs/";
+
+
+   /**
+    * 上传图片大小限制，单位byte
+    */
+   public final static  long MAX_UPLOAD_PIC_SIZE = 1000 * 1024 * 4;
+   /**
+    * 上传文件大小限制，单位byte
+    */
+   public final static  long MAX_UPLOAD_FILE_SIZE = 10 * 1024 * 1024 * 8;
+
+   /**
+    * 上传软件大小限制，单位byte
+    */
+   public final static  long MAX_UPLOAD_SOFT_SIZE = 100 * 1024 * 1024 * 8;
+
+   /**
+     * 错误登录次数最多3次
+     */
+   public final static  int MAX_LOGIN_TIMES = 3;
+   /**
+     * 错误登录3次后用户被锁10分钟
+     */
+   public final static int LOCK_TIME = +10;
+
+   public final static String[] ADMIN = {"admin", "longlob"};
+
+}