多语包使用的方法看Resource的注释即可，所有的功能都在Resource中定义了。
在XMLResource类中有Main方法，可以直接运行。
在调用之前先执行XMLResource.import方法把文件调入。
软件使到了一个资源文件为XML文件，格式如最后所示。
以下文件编译即可运行
=======================Resource.java =======================
package org.fswan;
import java.util.Locale;
import java.util.Properties;
/**
* @author Swan Fong(方志文)
* e-mail:[email protected]
* 用来读资源文件用的接口，跟不同语言获取不同的字符串
* 如果在获取资源的同传入的地区代码为NULL的话则使用缺省的地区代码
*/
public interface Resource {
/**
* 获取跟名称相对应的资源的内容
* @param name 名称
* @param locale 语言
* @return 资源内容
*/
public String getResource(String name,Locale locale);
/**
* 获取带有参数的资源的内容
* @param name 资源的名称
* @param property 资源的参数值
* @param locale 语言
* @return 资的内容
*/
public String getResource(String name,String[] property,Locale locale);
/**
* 获取一组资源
* 如果目录名为common.title，是把处于common下title下的所有的所有的资源显示出来
* property是参数名,对应category下资源的长度，第二维为长度。如果长度小于category的长度
* 则把最后一个作为这之后的所有的资源的参数，如果为null则所有的资源都没参数。
* @param category 目录名
* @param property 参数
* @param locale 语言
* @return 资源数组
*/
public Properties getResource(String category,String[][] property,Locale locale);
/**
* 获取目录下所有的资源的名
* @param category 目录名
* @param locale 语言
* @return 所有的子项的数组
*/
public String[] getResourceNames(String category,Locale locale);
/**
* 获取目录下所有的资源或子目录
* @param category 目录名
* @param isCategory 返回的是子目录还是资源
* @param locale 语言
* @return 返回的内容
*/
public String[] getResourceNames(String category,boolean isCategory,Locale locale);
}
===============End ================================
==============XMLResource.java======================
package org.fswan;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Hashtable;
import java.util.Locale;
import java.util.Properties;
import java.util.StringTokenizer;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.FactoryConfigurationError;
import javax.xml.parsers.ParserConfigurationException;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;
/**
* @author Swan Fong(方志文)
* E-mail:[email protected]
* 从XML文件获取资源的类
* 资源的定位方式为树形层之间用逗号隔开。
* 如资源文件内容为以下内空
* <resource>
* <form1><title1>Title1</title1><title2>Title2</title2>
* </form1>
* </resource>
* 则获取资源form1.title1的内容为Title1
* 获取资源form1的内容为title1和title2
*
* 也可以使用%1来替换，比如 Title of %1
* 在调用时使用getResource("xxxx","Book")时会变成 Title of Book
*
*/
public class XmlResource implements Resource
{
/**
* 用来存放资源，Hashtable的Key是Locale型,值是Element型的，对应不同的Locale有不同的Document
*/
private static Hashtable resources;
/**
* 缺省的语言
*/
private static Locale defaultLocale = new Locale("zh", "CN");
static {
ArrayList list = ResourceLib.getXmlResource();
for (int i = 0; i < list.size(); i++)
{
importXML(list.get(i).toString());
}
}
public static void importXML(String fileName)
{
try
{
DocumentBuilderFactory builderFac = DocumentBuilderFactory.newInstance();
DocumentBuilder builder = builderFac.newDocumentBuilder();
Document doc = null;
if(new File(fileName).exists())
doc = builder.parse(new File(fileName));
else
doc = builder.parse(XmlResource.class.getResourceAsStream(fileName));
Element root = doc.getDocumentElement();
NodeList nl = root.getElementsByTagName("resource");
resources = new Hashtable();
for (int i = 0; i < nl.getLength(); i++)
{
Element el = (Element) nl.item(i);
Locale locale = new Locale(el.getAttribute("language"), el.getAttribute("country"));
resources.put(locale, el);
}
} catch (FactoryConfigurationError e)
{
e.printStackTrace();
} catch (ParserConfigurationException e)
{
e.printStackTrace();
} catch (SAXException e)
{
e.printStackTrace();
} catch (IOException e)
{
e.printStackTrace();
}
}
/* (non-Javadoc)
* @see org.fswan.db.Resource#getResource(java.lang.String, java.util.Locale)
*/
public String getResource(String name, Locale locale)
{
if (locale == null)
locale = defaultLocale;
Element el = null;
if(resources.get(locale)!=null)
el = (Element) resources.get(locale);
else
el = (Element) resources.get(defaultLocale);
StringTokenizer stk = new StringTokenizer(name, ".");
while (stk.hasMoreTokens())
{
NodeList nl = el.getElementsByTagName(stk.nextToken());
if (nl.getLength() < 1)
return null;
el = (Element) nl.item(0);
}
return el.getChildNodes().item(0).getNodeValue();
}
/* (non-Javadoc)
* @see org.fswan.db.Resource#getResource(java.lang.String, java.lang.String[], java.util.Locale)
*/
public String getResource(String name, String[] property, Locale locale)
{
if (property == null || property.length == 0)
property = new String[] { "" };
String tmpStr = getResource(name, locale);
StringBuffer sb = new StringBuffer(tmpStr);
int i = 1;
int pos = getPosition(sb, i);
while (pos != -1)
{
sb.replace(
pos,
pos + ("%" + i).length(),
property[(i - 1 > property.length) ? property.length - 1 : i - 1]);
i++;
pos = getPosition(sb, i);
}
return sb.toString();
}
/**
* 获取StringBuffer中出现%i的位置，如果前面是\的话则不算，如果找不到则返回-1
* @param str 要查找的字符串
* @param i 要查找的内容
* @return 位置
*/
private int getPosition(StringBuffer str, int i)
{
int pos = str.indexOf("%" + i);
while (pos != -1 && str.charAt(pos - 1) == '\\')
{
pos = str.indexOf("%" + i, pos);
}
return pos;
}
/* (non-Javadoc)
* @see org.fswan.db.Resource#getResource(java.lang.String, java.lang.String[][], java.util.Locale)
*/
public Properties getResource(String category, String[][] property, Locale locale)
{
if (property == null || property.length == 0)
{
property = new String[1][1];
property[0][0] = "";
}
String[] names = getResourceNames(category, false, locale);
String[] values = new String[names.length];
Properties p = new Properties();
for (int i = 0; i < values.length; i++)
{
String[] pro = property[(i > property.length - 1) ? property.length - 1 : i];
values[i] = getResource(category + "." + names[i], pro, locale);
p.setProperty(names[i], values[i]);
}
return p;
}
/* (non-Javadoc)
* @see org.fswan.db.Resource#getResourceNames(java.lang.String, boolean, java.util.Locale)
*/
public String[] getResourceNames(String category, boolean isCategory, Locale locale)
{
if (locale == null)
locale = defaultLocale;
Element el = null;
if(resources.get(locale)!=null)
el = (Element) resources.get(locale);
else
el = (Element) resources.get(defaultLocale);
StringTokenizer stk = new StringTokenizer(category, ".");
while (stk.hasMoreTokens())
{
NodeList nl = el.getElementsByTagName(stk.nextToken());
if (nl.getLength() < 1)
return null;
el = (Element) nl.item(0);
}
NodeList nl = el.getElementsByTagName("*");
if (nl == null || nl.getLength() == 0)
return new String[] {
};
String[] resources = new String[nl.getLength()];
for (int i = 0; i < nl.getLength(); i++)
{
resources[i] = nl.item(i).getNodeName();
}
return resources;
}
/* (non-Javadoc)
* @see org.fswan.db.Resource#getResourceNames(java.lang.String, java.util.Locale)
*/
public String[] getResourceNames(String category, Locale locale)
{
if (locale == null)
locale = defaultLocale;
Element el = null;
if(resources.get(locale)!=null)
el = (Element) resources.get(locale);
else
el = (Element) resources.get(defaultLocale);
StringTokenizer stk = new StringTokenizer(category, ".");
while (stk.hasMoreTokens())
{
NodeList nl = el.getElementsByTagName(stk.nextToken());
if (nl.getLength() < 1)
return null;
el = (Element) nl.item(0);
}
NodeList nl = el.getElementsByTagName("*");
if (nl == null || nl.getLength() == 0)
return new String[] {
};
String[] resources = new String[nl.getLength()];
for (int i = 0; i < nl.getLength(); i++)
{
resources[i] = nl.item(i).getNodeName();
}
return resources;
}
public static void main(String[] args)
{
XmlResource.importXML("com/fswan/application/AddressBook/resource.xml");
Properties first = new XmlResource().getResource("addressbook", (String[][]) null, null);
Object[] s = first.keySet().toArray();
for (int i = 0; i < s.length; i++)
{
System.out.println(s[i] + " " + first.getProperty(s[i].toString()));
}
}
}
==========================END=================================
==========================XML文件的格式=========================
<?xml version="1.0" encoding="UTF-8"?>
<!-- edited with XMLSPY v2004 rel. 3 U (http://www.xmlspy.com) by fswan (fswan) -->
<root>
<resource language="en">
<mainframe>
<title>Human Resource Management System</title>
<menu>
<file>File</file>
<new>New</new>
<save>Save</save>
<load>Load</load>
<saveas>Save as...</saveas>
<edit>Edit</edit>
<copy>Copy</copy>
<parse>Parse</parse>
<delete>Delete</delete>
<nextpage>Next Page</nextpage>
<tool>Tool</tool>
<language>Language</language>
<default>Default</default>
<english>English</english>
<china>Simplified</china>
<tchina>Tradition</tchina>
<employee>Employee Management</employee>
<detail>Detail</detail>
<employeelist>Employee List</employeelist>
<lookandfeel>Look and Feel</lookandfeel>
<javalook>Java Look</javalook>
<motiflook>Motif Look</motiflook>
<windowlook>Window Look</windowlook>
<defaultlook>Default</defaultlook>
<emeraldlook>Emerald</emeraldlook>
<sapphire>Sapphire</sapphire>
</menu>
</mainframe>
</resource>
<resource language="zh" country="CN">
<mainframe>
<title>人力资源管理系统</title>
<menu>
<file>文档</file>
<new>新建</new>
<save>储存</save>
<load>存盘</load>
<saveas>另存为</saveas>
<edit>编辑</edit>
<copy>拷贝</copy>
<parse>粘贴</parse>
<delete>删除</delete>
<nextpage>下页</nextpage>
<tool>工具</tool>
<language>语言</language>
<default>缺省</default>
<china>中文</china>
<tchina>繁体中文</tchina>
<english>英文</english>
<employee>员工管理</employee>
<detail>员工资料</detail>
<employeelist>员工列表</employeelist>
<lookandfeel>外观</lookandfeel>
<javalook>Java 外观</javalook>
<motiflook>Motif 外观</motiflook>
<windowlook>Windows 外观</windowlook>
<defaultlook>默认</defaultlook>
<emeraldlook>祖母绿</emeraldlook>
<sapphire>海蓝宝石</sapphire>
</menu>
</mainframe>
</resource>
</root>
=========================END===================================
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