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;


public final class XMLHelper {
 
 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;
 }
 }

 
 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;
 }
 }

 
 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);
 }

 
 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;
 }
 }

 
 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;
 }
 }

 
 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;
 }
 }

 
 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;
 }
 }

 
 public static String getString(String name, Element element) {
 return (element.valueOf(name) == null) ? "" : element.valueOf(name);
 }

 
 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;
 }

 
 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;


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}$");
  
  public static final String ICON_REGEXP = "^(/{0,1}//w){1,}//.(gif|dmp|png|jpg)$|^//w{1,}//.(gif|dmp|png|jpg)$"; 
 
   
  public static final String EMAIL_REGEXP = "(?://w[-._//w]*//w@//w[-._//w]*//w//.//w{2,3}$)"; 
 
   
  public static final String URL_REGEXP = "(//w+)://([^/:]+)(://d*)?([^#//s]*)"; 
 
   
  public static final String HTTP_REGEXP = "(http|https|ftp)://([^/:]+)(://d*)?([^#//s]*)"; 
 
   
  public static final String DATE_BARS_REGEXP = "^((((19){1}|(20){1})\d{2})|\d{2})-[0,1]?\d{1}-[0-3]?\d{1}$"; 
 
   
  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)))$"; 
 
   
  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}$"; 
 
   
  public static final String ID_CARD_REGEXP = "^//d{10}|//d{13}|//d{15}|//d{18}$"; 
 
   
  public static final String ZIP_REGEXP = "^[0-9]{6}$";// 匹配邮编代码 
 
   
  public static final String NON_SPECIAL_CHAR_REGEXP = "^[^'/"; 
  // 匹配邮编代码 
 
   
  public static final String NON_NEGATIVE_INTEGERS_REGEXP = "^//d+$"; 
 
   
  public static final String NON_ZERO_NEGATIVE_INTEGERS_REGEXP = "^[1-9]+//d*$"; 
 
   
  public static final String POSITIVE_INTEGER_REGEXP = "^[0-9]*[1-9][0-9]*$"; 
 
   
  public static final String NON_POSITIVE_INTEGERS_REGEXP = "^((-//d+)|(0+))$"; 
 
   
  public static final String NEGATIVE_INTEGERS_REGEXP = "^-[0-9]*[1-9][0-9]*$"; 
 
   
  public static final String INTEGER_REGEXP = "^-?//d+$"; 
 
   
  public static final String NON_NEGATIVE_RATIONAL_NUMBERS_REGEXP = "^//d+(//.//d+)?$"; 
 
   
  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]*))$"; 
 
   
  public static final String NON_POSITIVE_RATIONAL_NUMBERS_REGEXP = "^((-//d+(//.//d+)?)|(0+(//.0+)?))$"; 
 
   
  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]*)))$"; 
 
   
  public static final String RATIONAL_NUMBERS_REGEXP = "^(-?//d+)(//.//d+)?$"; 
 
   
  public static final String LETTER_REGEXP = "^[A-Za-z]+$"; 
 
   
  public static final String UPWARD_LETTER_REGEXP = "^[A-Z]+$"; 
 
   
  public static final String LOWER_LETTER_REGEXP = "^[a-z]+$"; 
 
   
  public static final String LETTER_NUMBER_REGEXP = "^[A-Za-z0-9]+$"; 
 
   
  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();

 }
 
 
 public static boolean validateCode(String code) {
  if (StringHelper.isEmpty(code)) {
   return false;
  }
  Matcher m = CODE_PATTERN.matcher(code);
  return m.matches();
 }

 
 public static boolean validatePostcode(String postcode) {
  if (StringHelper.isEmpty(postcode)) {
   return false;
  }
  Matcher m = POSTCODE_PATTERN.matcher(postcode);
  return m.matches();
 }
 
 
 public static boolean validateBankCardNumber(String bankCardNumber) {
  if (StringHelper.isEmpty(bankCardNumber)) {
   return false;
  }
  Matcher m = BANK_CARD_PATTERN.matcher(bankCardNumber);
  return m.matches();
 }
 
 
 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;

 }
 
 
 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;

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

  String birthString = getBirthdayByIdNumber(idNumber);
  if (StringHelper.isEmpty(birthString)) {
   return 0;
  }

  return getAgeByBirthString(birthString, isNominalAge);

 }
 
 
 
 public static Integer getAgeByBirthDate(Date birthDate) {

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

 }
 
 
 public static Integer getAgeByBirthString(String birthString) {

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

 }

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

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

 }
 
 
 public static Integer getAgeByBirthString(String birthString, String format) {
  return getAgeByBirthString(birthString, "yyyy-MM-dd", false);
 }
 
 
 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;

 }
 
  
 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();
 } 
 
}

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持考高分网。