java常用工具类 XML工具类、数据验证工具类

java常用工具类 XML工具类、数据验证工具类

本文实例为大家分享了java常用工具类的具体代码，供大家参考，具体内容如下

package com.jarvis.base.util;

import java.io.File;

import java.io.FileWriter;

import java.io.IOException;

import java.io.StringReader;

import java.io.StringWriter;

import java.net.URL;

import java.util.Properties;

import javax.xml.transform.OutputKeys;

import javax.xml.transform.Result;

import javax.xml.transform.Source;

import javax.xml.transform.Transformer;

import javax.xml.transform.TransformerFactory;

import javax.xml.transform.stream.StreamResult;

import javax.xml.transform.stream.StreamSource;

import org.dom4j.Document;

import org.dom4j.Element;

import org.dom4j.io.OutputFormat;

import org.dom4j.io.SAXReader;

import org.dom4j.io.XMLWriter;

/**

*

*

* @Title: XMLHelper.java

* @Package com.jarvis.base.util

* @Description:XML工具类

* @version V1.0

*/

public final class XMLHelper {

/**

* 把XML按照给定的XSL进行转换，返回转换后的值

*

* @param xml

* xml

* @param xsl

* xsl

* @return

* @throws Exception

*/

public static String xml2xsl(String xml, URL xsl) throws Exception {

if (StringHelper.isEmpty(xml)) {

throw new Exception("xml string is empty");

}

if (xsl == null) {

throw new Exception("xsl string is empty");

}

StringWriter writer = new StringWriter();

Source xmlSource = null;

Source xslSource = null;

Result result = null;

try {

xmlSource = new StreamSource(new StringReader(xml));

xslSource = new StreamSource(xsl.openStream());

result = new StreamResult(writer);

TransformerFactory transFact = TransformerFactory.newInstance();

Transformer trans = transFact.newTransformer(xslSource);

trans.transform(xmlSource, result);

return writer.toString();

} catch (Exception ex) {

throw new Exception(ex);

} finally {

writer.close();

writer = null;

xmlSource = null;

xslSource = null;

result = null;

}

}

/**

* 把XML按用户定义好的XSL样式进行输出

*

* @param xmlFilePath

* XML文档

* @param xsl

* XSL样式

* @return 样式化后的字段串

*/

public static String xml2xsl(String xmlFilePath, String xsl) throws Exception {

if (StringHelper.isEmpty(xmlFilePath)) {

throw new Exception("xml string is empty");

}

if (StringHelper.isEmpty(xsl)) {

throw new Exception("xsl string is empty");

}

StringWriter writer = new StringWriter();

Source xmlSource = new StreamSource(new File(xmlFilePath));

Source xslSource = new StreamSource(new File(xsl));

Result result = new StreamResult(writer);

try {

TransformerFactory transFact = TransformerFactory.newInstance();

Transformer trans = transFact.newTransformer(xslSource);

Properties properties = trans.getOutputProperties();

properties.setProperty(OutputKeys.ENCODING, "UTF-8");

properties.put(OutputKeys.METHOD, "html");

trans.setOutputProperties(properties);

trans.transform(xmlSource, result);

return writer.toString();

} finally {

writer.close();

writer = null;

xmlSource = null;

xslSource = null;

result = null;

}

}

/**

* 读取XML文档，返回Document对象.

*

* @param xmlFile

* XML文件路径

* @return Document 对象

*/

public static Document getDocument(String xmlFile) throws Exception {

if (StringHelper.isEmpty(xmlFile)) {

return null;

}

File file = null;

SAXReader saxReader = new SAXReader();

file = new File(xmlFile);

return saxReader.read(file);

}

/**

* 读取XML文档，返回Document对象.

*

* @param xmlFile

* file对象

* @return Document 对象

*/

public static Document getDocument(File xmlFile) {

try {

SAXReader saxReader = new SAXReader();

return saxReader.read(xmlFile);

} catch (Exception ex) {

ex.printStackTrace();

System.err.println("读取xml文件出错，返回null");

return null;

}

}

/**

* 读取XML字串，返回Document对象

*

* @param xmlString

* XML文件路径

* @return Document 对象

*/

public static Document getDocumentFromString(String xmlString) {

if (StringHelper.isEmpty(xmlString)) {

return null;

}

try {

SAXReader saxReader = new SAXReader();

return saxReader.read(new StringReader(xmlString));

} catch (Exception ex) {

ex.printStackTrace();

System.err.println("读取xml文件出错，返回null");

return null;

}

}

/**

*

* @param xmlDoc

* xmlDoc

* @param xslFile

* xslFile

* @param encoding

* 编码

* @return

* @throws Exception

*/

public static String xml2html(String xmlDoc, String xslFile, String encoding) throws Exception {

if (StringHelper.isEmpty(xmlDoc)) {

throw new Exception("xml string is empty");

}

if (StringHelper.isEmpty(xslFile)) {

throw new Exception("xslt file is empty");

}

StringWriter writer = new StringWriter();

Source xmlSource = null;

Source xslSource = null;

Result result = null;

String html = null;

try {

xmlSource = new StreamSource(new StringReader(xmlDoc));

xslSource = new StreamSource(new File(xslFile));

result = new StreamResult(writer);

TransformerFactory transFact = TransformerFactory.newInstance();

Transformer trans = transFact.newTransformer(xslSource);

Properties properties = trans.getOutputProperties();

properties.put(OutputKeys.METHOD, "html");

properties.setProperty(OutputKeys.ENCODING, encoding);

trans.setOutputProperties(properties);

trans.transform(xmlSource, result);

html = writer.toString();

writer.close();

return html;

} catch (Exception ex) {

throw new Exception(ex);

} finally {

writer = null;

xmlSource = null;

xslSource = null;

result = null;

}

}

/**

* 描述：把xml输出成为html

*

* @param xmlFile

* xmlFile

* @param xslFile

* xslFile

* @param encoding

* 编码

* @return

* @throws Exception

*/

public static String xmlFile2html(String xmlFile, String xslFile, String encoding) throws Exception {

if (StringHelper.isEmpty(xmlFile)) {

throw new Exception("xml string is empty");

}

if (StringHelper.isEmpty(xslFile)) {

throw new Exception("xslt file is empty");

}

StringWriter writer = new StringWriter();

Source xmlSource = null;

Source xslSource = null;

Result result = null;

String html = null;

try {

xmlSource = new StreamSource(new File(xmlFile));

xslSource = new StreamSource(new File(xslFile));

result = new StreamResult(writer);

TransformerFactory transFact = TransformerFactory.newInstance();

Transformer trans = transFact.newTransformer(xslSource);

Properties properties = trans.getOutputProperties();

properties.put(OutputKeys.METHOD, "html");

properties.setProperty(OutputKeys.ENCODING, encoding);

trans.setOutputProperties(properties);

trans.transform(xmlSource, result);

html = writer.toString();

writer.close();

return html;

} catch (Exception ex) {

throw new Exception(ex);

} finally {

writer = null;

xmlSource = null;

xslSource = null;

result = null;

}

}

/**

* 描述：

*

* @param name

* 名

* @param element

* 元素

* @return

*/

public static String getString(String name, Element element) {

return (element.valueOf(name) == null) ? "" : element.valueOf(name);

}

/**

* 将一个XML文档保存至文件中.

*

* @param doc

* 要保存的XML文档对象.

* @param filePath

* 要保存到的文档路径.

* @param format

* 要保存的输出格式

* @return true代表保存成功，否则代表不成功.

*/

public static boolean savaToFile(Document doc, String filePathName, OutputFormat format) {

XMLWriter writer;

try {

String filePath = FileHelper.getFullPath(filePathName);

// 若目录不存在，则建立目录

if (!FileHelper.exists(filePath)) {

if (!FileHelper.createDirectory(filePath)) {

return false;

}

}

writer = new XMLWriter(new FileWriter(new File(filePathName)), format);

writer.write(doc);

writer.close();

return true;

} catch (IOException ex) {

ex.printStackTrace();

System.err.println("写文件出错");

}

return false;

}

/**

* 将一个XML文档保存至文件中.

*

* @param filePath

* 要保存到的文档路径.

* @param doc

* 要保存的XML文档对象.

* @return true代表保存成功，否则代表不成功.

*/

public static boolean writeToXml(String filePathName, Document doc) {

OutputFormat format = OutputFormat.createCompactFormat();

format.setEncoding("UTF-8");

return savaToFile(doc, filePathName, format);

}

}

数据验证工具类

package com.jarvis.base.util;

import java.text.ParseException;

import java.text.SimpleDateFormat;

import java.util.Calendar;

import java.util.Date;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

/**

* 说明: 常用的数据验证工具类。

*

*/

public class ValidateUtil {

public static final Pattern CODE_PATTERN = Pattern.compile("^0\\d{2,4}$");

public static final Pattern POSTCODE_PATTERN = Pattern.compile("^\\d{6}$");

public static final Pattern BANK_CARD_PATTERN = Pattern.compile("^\\d{16,30}$");

/**

* 匹配图象

*

*

* 格式: /相对路径/文件名.后缀 (后缀为gif,dmp,png)

*

* 匹配 : /forum/head_icon/admini2005111_ff.gif 或 admini2005111.dmp

*

*

* 不匹配: c:/admins4512.gif

*

*/

public static final String ICON_REGEXP = "^(/{0,1}//w){1,}//.(gif|dmp|png|jpg)$|^//w{1,}//.(gif|dmp|png|jpg)$";

/**

* 匹配email地址

*

*

* 格式: XXX@XXX.XXX.XX

*

* 匹配 : foo@bar.com 或 foobar@foobar.com.au

*

* 不匹配: foo@bar 或 $$$@bar.com

*

*/

public static final String EMAIL_REGEXP = "(?://w[-._//w]*//w@//w[-._//w]*//w//.//w{2,3}$)";

/**

* 匹配并提取url

*

*

* 格式: XXXX://XXX.XXX.XXX.XX/XXX.XXX?XXX=XXX

*

* 匹配 : http://suncer.com 或news://www

*

* 不匹配: c:/window

*

*/

public static final String URL_REGEXP = "(//w+)://([^/:]+)(://d*)?([^#//s]*)";

/**

* 匹配并提取http

*

* 格式: http://XXX.XXX.XXX.XX/XXX.XXX?XXX=XXX 或 ftp://XXX.XXX.XXX 或

* https://XXX

*

* 匹配 : http://suncer.com:8080/index.html?login=true

*

* 不匹配: news://www

*

*/

public static final String HTTP_REGEXP = "(http|https|ftp)://([^/:]+)(://d*)?([^#//s]*)";

/**

* 匹配日期

*

*

* 格式(首位不为0): XXXX-XX-XX或 XXXX-X-X

*

*

* 范围:1900--2099

*

*

* 匹配 : 2005-04-04

*

*

* 不匹配: 01-01-01

*

*/

public static final String DATE_BARS_REGEXP = "^((((19){1}|(20){1})\\d{2})|\\d{2})-[0,1]?\\d{1}-[0-3]?\\d{1}$";

/**

* 匹配日期

*

*

* 格式: XXXX/XX/XX

*

*

* 范围:

*

*

* 匹配 : 2005/04/04

*

*

* 不匹配: 01/01/01

*

*/

public static final String DATE_SLASH_REGEXP = "^[0-9]{4}/(((0[13578]|(10|12))/(0[1-9]|[1-2][0-9]|3[0-1]))|(02-(0[1-9]|[1-2][0-9]))|((0[469]|11)/(0[1-9]|[1-2][0-9]|30)))$";

/**

* 匹配电话

*

*

* 格式为: 0XXX-XXXXXX(10-13位首位必须为0) 或0XXX XXXXXXX(10-13位首位必须为0) 或

*

* (0XXX)XXXXXXXX(11-14位首位必须为0) 或 XXXXXXXX(6-8位首位不为0) 或

* XXXXXXXXXXX(11位首位不为0)

*

*

* 匹配 : 0371-123456 或 (0371)1234567 或 (0371)12345678 或 010-123456 或

* 010-12345678 或 12345678912

*

*

* 不匹配: 1111-134355 或 0123456789

*

*/

public static final String PHONE_REGEXP = "^(?:0[0-9]{2,3}[-//s]{1}|//(0[0-9]{2,4}//))[0-9]{6,8}$|^[1-9]{1}[0-9]{5,7}$|^[1-9]{1}[0-9]{10}$";

/**

* 匹配身份证

*

* 格式为: XXXXXXXXXX(10位) 或 XXXXXXXXXXXXX(13位) 或 XXXXXXXXXXXXXXX(15位) 或

* XXXXXXXXXXXXXXXXXX(18位)

*

* 匹配 : 0123456789123

*

* 不匹配: 0123456

*

*/

public static final String ID_CARD_REGEXP = "^//d{10}|//d{13}|//d{15}|//d{18}$";

/**

* 匹配邮编代码

*

* 格式为: XXXXXX(6位)

*

* 匹配 : 012345

*

* 不匹配: 0123456

*

*/

public static final String ZIP_REGEXP = "^[0-9]{6}$";// 匹配邮编代码

/**

* 不包括特殊字符的匹配 (字符串中不包括符号 数学次方号^ 单引号' 双引号" 分号; 逗号, 帽号: 数学减号- 右尖括号> 左尖括号< 反斜杠/

* 即空格,制表符,回车符等 )

*

* 格式为: x 或 一个一上的字符

*

* 匹配 : 012345

*

* 不匹配: 0123456 // ;,:-<>//s].+$";//

*/

public static final String NON_SPECIAL_CHAR_REGEXP = "^[^'/";

// 匹配邮编代码

/**

* 匹配非负整数（正整数 + 0)

*/

public static final String NON_NEGATIVE_INTEGERS_REGEXP = "^//d+$";

/**

* 匹配不包括零的非负整数（正整数 > 0)

*/

public static final String NON_ZERO_NEGATIVE_INTEGERS_REGEXP = "^[1-9]+//d*$";

/**

*

* 匹配正整数

*

*/

public static final String POSITIVE_INTEGER_REGEXP = "^[0-9]*[1-9][0-9]*$";

/**

*

* 匹配非正整数（负整数 + 0）

*

*/

public static final String NON_POSITIVE_INTEGERS_REGEXP = "^((-//d+)|(0+))$";

/**

*

* 匹配负整数

*

*/

public static final String NEGATIVE_INTEGERS_REGEXP = "^-[0-9]*[1-9][0-9]*$";

/**

*

* 匹配整数

*

*/

public static final String INTEGER_REGEXP = "^-?//d+$";

/**

*

* 匹配非负浮点数（正浮点数 + 0）

*

*/

public static final String NON_NEGATIVE_RATIONAL_NUMBERS_REGEXP = "^//d+(//.//d+)?$";

/**

*

* 匹配正浮点数

*

*/

public static final String POSITIVE_RATIONAL_NUMBERS_REGEXP = "^(([0-9]+//.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*//.[0-9]+)|([0-9]*[1-9][0-9]*))$";

/**

*

* 匹配非正浮点数（负浮点数 + 0）

*

*/

public static final String NON_POSITIVE_RATIONAL_NUMBERS_REGEXP = "^((-//d+(//.//d+)?)|(0+(//.0+)?))$";

/**

*

* 匹配负浮点数

*

*/

public static final String NEGATIVE_RATIONAL_NUMBERS_REGEXP = "^(-(([0-9]+//.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*//.[0-9]+)|([0-9]*[1-9][0-9]*)))$";

/**

*

* 匹配浮点数

*

*/

public static final String RATIONAL_NUMBERS_REGEXP = "^(-?//d+)(//.//d+)?$";

/**

*

* 匹配由26个英文字母组成的字符串

*

*/

public static final String LETTER_REGEXP = "^[A-Za-z]+$";

/**

*

* 匹配由26个英文字母的大写组成的字符串

*

*/

public static final String UPWARD_LETTER_REGEXP = "^[A-Z]+$";

/**

*

* 匹配由26个英文字母的小写组成的字符串

*

*/

public static final String LOWER_LETTER_REGEXP = "^[a-z]+$";

/**

*

* 匹配由数字和26个英文字母组成的字符串

*

*/

public static final String LETTER_NUMBER_REGEXP = "^[A-Za-z0-9]+$";

/**

*

* 匹配由数字、26个英文字母或者下划线组成的字符串

*

*/

public static final String LETTER_NUMBER_UNDERLINE_REGEXP = "^//w+$";

public static boolean validateEmail(String str) {

if (str == null || str.trim().length() == 0) {

return false;

}

Pattern pattern = Pattern.compile(

"^([\\w-\\.]+)@((\\[[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.)|(([\\w-]+\\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)$");

// Pattern pattern =

// Pattern.compile("^([a-zA-Z0-9_-])+@(([a-zA-z0-9]-*){1,}\\.){1,3}[a-zA-z\\-]{1,}");

Matcher matcher = pattern.matcher(str);

return matcher.matches();

}

public static boolean validateMoblie(String str) {

if (str == null || str.trim().length() == 0) {

return false;

}

Pattern pattern = Pattern.compile("^(13|14|15|17|18)[0-9]{9}$");

Matcher matcher = pattern.matcher(str);

return matcher.matches();

}

/**

* 验证区号是否有效.

*

* @param code 要验证的区号

* @return 是否正确身份证

*/

public static boolean validateCode(String code) {

if (StringHelper.isEmpty(code)) {

return false;

}

Matcher m = CODE_PATTERN.matcher(code);

return m.matches();

}

/**

* 验证邮政编kFGcaJU码是否有效.

*

* @param postcode 要验证的邮政编码

* @return 是否正确邮政编码

*/

public static boolean validatePostcode(String postcode) {

if (StringHelper.isEmpty(postcode)) {

return false;

}

Matcher m = POSTCODE_PATTERN.matcher(postcode);

return m.matches();

}

/**

* 验证银行卡是否有效.

*

* @param bankCardNumber 要验证的银行卡号

* @return 是否正确银行卡号

*/

public static boolean validateBankCardNumber(String bankCardNumber) {

if (StringHelper.isEmpty(bankCardNumber)) {

return false;

}

Matcher m = BANK_CARD_PATTERN.matcher(bankCardNumber);

return m.matches();

}

/**

* 通过身份证获取生日

*

* @param idNumber 身份证号

* @return 返回生日, 格式为 yyyy-MM-dd 的字符串

*/

public static String getBirthdayByIdNumber(String idNumber) {

String birthday = "";

if (idNumber.length() == 15) {

birthday = "19" + idNumber.substring(6, 8) + "-" + idNumber.substring(8, 10) + "-" + idNumber.substring(10, 12);

} else if (idNumber.length() == 18) {

birthday = idNumber.substring(6, 10) + "-" + idNumber.substring(10, 12) + "-" + idNumber.substring(12, 14);

}

return birthday;

}

/**

* 通过身份证获取性别

*

* @param idNumber 身份证号

* @return 返回性别, 0 保密 , 1 男 2 女

*/

public static Integer getGenderByIdNumber(String idNumber) {

int gender = 0;

if (idNumber.length() == 15) {

gender = Integer.parseInt(String.valueOf(idNumber.charAt(14))) % 2 == 0 ? 2 : 1;

} else if (idNumber.length() == 18) {

gender = Integer.parseInt(String.valueOf(idNumber.charAt(16))) % 2 == 0 ? 2 : 1;

}

return gender;

}

/**

* 通过身份证获取年龄

*

* @param idNumber 身份证号

* @param isNominalAge 是否按元旦算年龄，过了1月1日加一岁 true : 是 false : 否

* @return 返回年龄

*/

public static Integer getAgeByIdNumber(String idNumber, boolean isNominalAge) {

String birthString = getBirthdayByIdNumber(idNumber);

if (StringHelper.isEmpty(birthString)) {

return 0;

}

return getAgeByBirthString(birthString, isNominalAge);

}

/**

* 通过生日日期获取年龄

*

* @param birthDate 生日日期

* @return 返回年龄

*/

public static Integer getAgeByBirthDate(Date birthDate) {

return getAgeByBirthString(new SimpleDateFormat("yyyy-MM-dd").format(birthDate));

}

/**

* 通过生日字符串获取年龄

*

* @param birthString 生日字符串

* @return 返回年龄

*/

public static Integer getAgeByBirthString(String birthString) {

return getAgeByBirthString(birthString, "yyyy-MM-dd");

}

/**

* 通过生日字符串获取年龄

*

* @param birthString 生日字符串

* @param isNominalAge 是否按元旦算年龄，过了1月1日加一岁 true : 是 false : 否

* @return 返回年龄

*/

public static Integer getAgeByBirthString(String birthString, boolean isNominalAge) {

return getAgeByBirthString(birthString, "yyyy-MM-dd", isNominalAge);

}

/**

* 通过生日字符串获取年龄

*

* @param birthString 生日字符串

* @param format 日期字符串格式,为空则默认"yyyy-MM-dd"

* @return 返回年龄

*/

public static Integer getAgeByBirthString(String birthString, String format) {

return getAgeByBirthString(birthString, "yyyy-MM-dd", false);

}

/**

* 通过生日字符串获取年龄

*

* @param birthString 生日字符串

* @param format 日期字符串格式,为空则默认"yyyy-MM-dd"

* @param isNominalAge 是否按元旦算年龄，过了1月1日加一岁 true : 是 false : 否

* http://@return 返回年龄

*/

public static Integer getAgeByBirthString(String birthString, String format, boolean isNominalAge) {

int age = 0;

if (StringHelper.isEmpty(birthString)) {

return age;

}

if (StringHelper.isEmpty(format)) {

format = "yyyy-MM-dd";

}

try {

Calendar birthday = Calendar.getInstance();

Calendar today = Calendar.getInstance();

SimpleDateFormat sdf = new SimpleDateFormat(format);

birthday.setTime(sdf.parse(birthString));

age = today.get(Calendar.YEAR) - birthday.get(Calendar.YEAR);

if (!isNominalAge) {

if (today.get(Calendar.MONTH) < birthday.get(Calendar.MONTH) ||

(today.get(Calendar.MONTH) == birthday.get(Calendar.MONTH) &&

today.get(Calendar.DAY_OF_MONTH) < birthday.get(Calendar.DAY_OF_MONTH))) {

age = age - 1;

}

}

} catch (ParseException e) {

e.printStackTrace();

}

return age;

}

/**

* 大小写敏感的正规表达式批配

*

* @param source

* 批配的源字符串

* @param regexp

* 批配的正规表达式

* @return 如果源字符串符合要求返回真,否则返回假

*/

public static boolean isHardRegexpValidate(String str, String regexp) {

if (str == null || str.trim().length() == 0) {

return false;

}

Pattern pattern = Pattern.compile(regexp);

Matcher matcher = pattern.matcher(str);

return matcher.matches();

}

}

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