org.hiylo.components.commons.utils

Class CommonUtils

java.lang.Object

org.hiylo.components.commons.utils.CommonUtils

public class CommonUtils
extends Object

Author:

hiylo

Constructor Summary

Constructors

Constructor and Description
CommonUtils()

Method Summary

Modifier and Type	Method and Description
static int	buildRandom(int length)
static List<Integer>	convertStringToList(String str) 将数组的字符串格式转换回为数组
static String	createSignParam(Map<String,Object> paramMap) 对代签名参数进行排序并组装(空值字段不参与排序)
static String	createToken()
static String	firstChatToUpcase(String word)
static Map<String,Object>	getChildElements(List<org.dom4j.Element> childElements) 将元素集合转化为map格式
static String	getFileByFile(File file) Created on 2010-7-1
static String	getFileHexString(byte[] b) Created on 2010-7-1
static String	getFileTypeByStream(byte[] b) Created on 2010-7-1
static Map<String,String>	getFileTypeMap()
static String	getImageFileType(File f) Created on 2010-7-1
static String	getNonceStr()
static boolean	isImage(byte[] is)
static boolean	isImage(File file) Created on 2010-7-2
static String	jsonToXml(net.sf.json.JSONObject jsonObject) 将Json对象转化为XML格式字符串
static String	mapToUriVariables(Map<String,String> map) map转成url请求字符串
static String	mapToXml(Map map) map转xml字符串(包含)
static String	removeLatestCharacter(String character) 去掉字符串最后一位字符
static String	sign(Map<String,Object> paramMap, String signType, String key)
static String	signWithMd5(Map<String,Object> paramMap, String md5Key) 对map参数按照首字母排序进行MD5加密
static String	signWithMd5(Map<String,Object> paramMap, String md5Key, Boolean upperCase) 对map参数按照首字母排序进行MD5加密
static String	stringFilter(String str)
static Map<String,Map<String,Object>>	xml2Map(String xmlStr, String baseNodeName) xml转化为map

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CommonUtils

public CommonUtils()

Method Detail

getFileTypeMap

public static Map<String,String> getFileTypeMap()

createToken

public static String createToken()

stringFilter

public static String stringFilter(String str)
                           throws PatternSyntaxException

Throws:

PatternSyntaxException

isImage

public static boolean isImage(byte[] is)

getImageFileType

public static String getImageFileType(File f)

Created on 2010-7-1

Discription:[getImageFileType,获取图片文件实际类型,若不是图片则返回null]

Parameters:

f -

Returns:

fileType

getFileByFile

public static String getFileByFile(File file)

Created on 2010-7-1

Discription:[getFileByFile,获取文件类型,包括图片,若格式不是已配置的,则返回null]

Parameters:

file -

Returns:

fileType

getFileTypeByStream

public static String getFileTypeByStream(byte[] b)

Created on 2010-7-1

Discription:[getFileTypeByStream]

Parameters:

b -

Returns:

fileType

isImage

public static boolean isImage(File file)

Created on 2010-7-2

Discription:[isImage,判断文件是否为图片]

Parameters:

file -

Returns:

true 是 | false 否

getFileHexString

public static String getFileHexString(byte[] b)

Created on 2010-7-1

Discription:[getFileHexString]

Parameters:

b -

Returns:

fileTypeHex

firstChatToUpcase

public static String firstChatToUpcase(String word)

convertStringToList

public static List<Integer> convertStringToList(String str)

将数组的字符串格式转换回为数组

Parameters:

str - 格式为"[]"

Returns:

jsonToXml

public static String jsonToXml(net.sf.json.JSONObject jsonObject)

将Json对象转化为XML格式字符串

Parameters:

jsonObject - json对象

Returns:

被转化后的xml字符串

mapToXml

public static String mapToXml(Map map)

map转xml字符串(包含)

Parameters:

map - 被转化对象

Returns:

被转化后的xml字符串

xml2Map

public static Map<String,Map<String,Object>> xml2Map(String xmlStr,
                                                     String baseNodeName)
                                              throws org.dom4j.DocumentException,
                                                     SAXException

xml转化为map

Parameters:

xmlStr - xml字符串

baseNodeName - 根节点

Returns:

被转化成map格式的对象

Throws:

Exception

org.dom4j.DocumentException

SAXException

getChildElements

public static Map<String,Object> getChildElements(List<org.dom4j.Element> childElements)

将元素集合转化为map格式

Parameters:

childElements - 元素集合

Returns:

被转化后的map对象

signWithMd5

public static String signWithMd5(Map<String,Object> paramMap,
                                 String md5Key,
                                 Boolean upperCase)
                          throws UnsupportedEncodingException

对map参数按照首字母排序进行MD5加密

Parameters:

paramMap - 请求参数Map

md5Key - 加密密钥

upperCase - 结果时候转大写

Returns:

加密字符串结果

Throws:

UnsupportedEncodingException

signWithMd5

public static String signWithMd5(Map<String,Object> paramMap,
                                 String md5Key)
                          throws UnsupportedEncodingException

对map参数按照首字母排序进行MD5加密

Parameters:

paramMap - 请求参数Map

md5Key - 加密密钥

Returns:

加密字符串结果

Throws:

UnsupportedEncodingException

sign

public static String sign(Map<String,Object> paramMap,
                          String signType,
                          String key)
                   throws UnsupportedEncodingException

Throws:

UnsupportedEncodingException

createSignParam

public static String createSignParam(Map<String,Object> paramMap)
                              throws UnsupportedEncodingException

对代签名参数进行排序并组装(空值字段不参与排序)

Parameters:

paramMap - 签名参数map格式

Returns:

组装好的签名字符串

Throws:

UnsupportedEncodingException

removeLatestCharacter

public static String removeLatestCharacter(String character)

去掉字符串最后一位字符

Parameters:

character - 需要操作的字符串

Returns:

操作之后的字符串

mapToUriVariables

public static String mapToUriVariables(Map<String,String> map)

map转成url请求字符串

Parameters:

map - 请求参数

Returns:

转换完成的string

getNonceStr

public static String getNonceStr()

buildRandom

public static int buildRandom(int length)