/*****************************************************************************
* *
* This file is part of the tna framework distribution. *
* Documentation and updates may be get from biaoping.yin the author of *
* this framework *
* *
* Sun Public License Notice: *
* *
* The contents of this file are subject to the Sun Public License Version *
* 1.0 (the "License"); you may not use this file except in compliance with *
* the License. A copy of the License is available at http://www.sun.com *
* *
* The Original Code is tag. The Initial Developer of the Original *
* Code is biaoping yin. Portions created by biaoping yin are Copyright *
* (C) 2000. All Rights Reserved. *
* *
* GNU Public License Notice: *
* *
* Alternatively, the contents of this file may be used under the terms of *
* the GNU Lesser General Public License (the "LGPL"), in which case the *
* provisions of LGPL are applicable instead of those above. If you wish to *
* allow use of your version of this file only under the terms of the LGPL *
* and not to allow others to use your version of this file under the SPL, *
* indicate your decision by deleting the provisions above and replace *
* them with the notice and other provisions required by the LGPL. If you *
* do not delete the provisions above, a recipient may use your version of *
* this file under either the SPL or the LGPL. *
* *
* biaoping.yin (yin-bp@163.com) *
* Author of Learning Java *
* *
*****************************************************************************/
package com.frameworkset.common.util;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.servlet.http.HttpServletRequest;
import org.frameworkset.util.DataFormatUtil;
/**
* To change for your class or interface
* DAO中VOObject String类型与PO数据类型转换工具类.
* @author wangyixing
* @version 1.0
*/
public class StringUtil {
//逗号常量
public static final String COMMA = ",";
//空串常量
public static final String BLANK = "";
/**
* 将一个字符串根据逗号分拆
* */
public static String[] split(String s) {
return split(s, COMMA);
}
/**
* 将字符串根据给定分隔符分拆
* */
public static String[] split(String s, String delimiter) {
return s.split(delimiter);
// if (s == null || delimiter == null) {
// return new String[0];
// }
//
// s = s.trim();
//
// if (!s.endsWith(delimiter)) {
// s += delimiter;
// }
//
// if (s.equals(delimiter)) {
// return new String[0];
// }
//
// List nodeValues = new ArrayList();
//
// if (delimiter.equals("\n") || delimiter.equals("\r")) {
// try {
// BufferedReader br = new BufferedReader(new StringReader(s));
//
// String line = null;
//
// while ((line = br.readLine()) != null) {
// nodeValues.add(line);
// }
//
// br.close();
// }
// catch (IOException ioe) {
// ioe.printStackTrace();
// }
// }
// else {
// int offset = 0;
// int pos = s.indexOf(delimiter, offset);
//
// while (pos != -1) {
// nodeValues.add(s.substring(offset, pos));
//
// offset = pos + delimiter.length();
// pos = s.indexOf(delimiter, offset);
// }
// }
//
// return (String[])nodeValues.toArray(new String[0]);
}
public static String getRealPath(HttpServletRequest request,String path)
{
String contextPath = request.getContextPath();
if(path == null)
return null;
if(path.startsWith("/") && !path.startsWith(contextPath + "/"))
return contextPath + path;
else
return path;
}
public static boolean containKey(String[] values,String key)
{
if(values == null || key == null)
return false;
boolean contain = false;
for(int i = 0; i < values.length; i ++)
{
// System.out.println("values[" + i + "]:" + values[i]);
// System.out.println("key:" + key);
if(values[i].equals(key))
{
contain = true;
break;
}
}
return contain;
}
public static String getFormatDate(Date date,String formate)
{
SimpleDateFormat dateFormat = DataFormatUtil.getSimpleDateFormat(formate);
if (date == null)
return null;
return dateFormat.format(date);
}
public static Date stringToDate(String date)
{
if(date == null || date.trim().equals(""))
return null;
date = date.replace('-','/');
SimpleDateFormat format = new SimpleDateFormat();
try {
return format.parse(date);
} catch (ParseException e) {
return new Date(date);
}
}
/**
* 获取文件名称
* @param path 文件路经
* @return String
*/
public static String getFileName(String path)
{
int index = path.lastIndexOf('/');
String fileName = "";
if(index == -1)
index = path.lastIndexOf('\\');
fileName = path.substring(index + 1);
return fileName ;
}
public static String getFileName(String prefix, String extension) throws UnsupportedEncodingException {
//prefix = MessageUtility.getValidFileName(prefix);
//UTF8 URL encoding only works in IE, not Mozilla
String fileName = URLEncoder.encode(prefix, "UTF-8");
//Bug of IE (http://support.microsoft.com/?kbid=816868)
//Cannot be more than 150(I don't know the exact number)
int limit = 150 - extension.length();
if (fileName.length() > limit) {
//because the UTF-8 encoding scheme uses 9 bytes to represent a single CJK character
fileName = URLEncoder.encode(prefix.substring(0, Math.min(prefix.length(), limit / 9)), "UTF-8");
}
return fileName + extension;
}
}