Admin: 1 версия

2010-06-01T06:12:08Z

1 версия

в 18:01, 31 мая 2010

2010-05-31T18:01:43Z

Новая страница

== Customizing Resource Bundle Loading ==



<source lang="java">

import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import java.util.Collections;
import java.util.Enumeration;
import java.util.List;
import java.util.Locale;
import java.util.Properties;
import java.util.ResourceBundle;
import java.util.Set;
public class XMLResourceBundleControl extends ResourceBundle.Control {
private static String XML = "xml";
public List<String> getFormats(String baseName) {
return Collections.singletonList(XML);
}
public ResourceBundle newBundle(String baseName, Locale locale, String format,
ClassLoader loader, boolean reload) throws IllegalAccessException, InstantiationException,
IOException {
if ((baseName == null) || (locale == null) || (format == null) || (loader == null)) {
throw new NullPointerException();
}
ResourceBundle bundle = null;
if (!format.equals(XML)) {
return null;
}
String bundleName = toBundleName(baseName, locale);
String resourceName = toResourceName(bundleName, format);
URL url = loader.getResource(resourceName);
if (url == null) {
return null;
}
URLConnection connection = url.openConnection();
if (connection == null) {
return null;
}
if (reload) {
connection.setUseCaches(false);
}
InputStream stream = connection.getInputStream();
if (stream == null) {
return null;
}
BufferedInputStream bis = new BufferedInputStream(stream);
bundle = new XMLResourceBundle(bis);
bis.close();
return bundle;
}
public static void main(String args[]) {
ResourceBundle bundle = ResourceBundle.getBundle("Strings", new XMLResourceBundleControl());
String string = bundle.getString("Key");
System.out.println("Key: " + string);
}
}
class XMLResourceBundle extends ResourceBundle {
private Properties props;
XMLResourceBundle(InputStream stream) throws IOException {
props = new Properties();
props.loadFromXML(stream);
}
protected Object handleGetObject(String key) {
return props.getProperty(key);
}
public Enumeration<String> getKeys() {
Set<String> handleKeys = props.stringPropertyNames();
return Collections.enumeration(handleKeys);
}
}

The Strings.xml Resource Bundle
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE properties SYSTEM "http://java.sun.ru/dtd/properties.dtd</codeTitle><cnTitle></cnTitle><codeKeywords></codeKeywords><codeComments></codeComments>
<properties>
<entry key="Key</codeTitle><cnTitle></cnTitle><codeKeywords></codeKeywords><codeComments></codeComments>Value</entry>
</properties>
</source>



== Using the JDK 6 ResourceBundle class ==



<source lang="java">

import java.util.Locale;
import java.util.ResourceBundle;
import java.util.Set;
public class RBPropDemo {
public static void main(String[] args) {
ResourceBundle.clearCache();
String bundleName = "myproj.MyResources";
ResourceBundle myResources = ResourceBundle.getBundle(bundleName, Locale.GERMAN);
System.out.println("Key"s values:");
System.out.println(myResources.getString("okKey"));
System.out.println(myResources.getString("cancelKey"));
System.out.println(myResources.getString("submitKey"));
System.out.println("\nChecking okKey in resource bundle:");
if (myResources.containsKey("okKey")) {
System.out.println("okKey exists! " + " Value = " + myResources.getString("okKey"));
} else {
System.out.println("The key Doesn"t Exist");
}
System.out.println("\nGet a set of keys:");
Set<String> keySet = myResources.keySet();
Object[] keys = keySet.toArray();
for (int i = 0; i < keys.length; i++) {
System.out.println("Key " + (i + 1) + " = " + keys[i]);
}
}
}
/*
MyResources.properties file
okKey = OK
cancelKey = Cancel
submitKey = Submit

The MyResources_de.properties file
cancelKey = Abbrechen
*/
</source>



== XML resource bundle ==



<source lang="java">

import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import java.util.Collections;
import java.util.Enumeration;
import java.util.List;
import java.util.Locale;
import java.util.Properties;
import java.util.ResourceBundle;
import java.util.Set;
public class XMLResourceBundleControl extends ResourceBundle.Control {
private static String XML = "xml";
public List<String> getFormats(String baseName) {
return Collections.singletonList(XML);
}
public ResourceBundle newBundle(String baseName, Locale locale, String format,
ClassLoader loader, boolean reload) throws IllegalAccessException, InstantiationException,
IOException {
if ((baseName == null) || (locale == null) || (format == null) || (loader == null)) {
throw new NullPointerException();
}
ResourceBundle bundle = null;
if (!format.equals(XML)) {
return null;
}
String bundleName = toBundleName(baseName, locale);
String resourceName = toResourceName(bundleName, format);
URL url = loader.getResource(resourceName);
if (url == null) {
return null;
}
URLConnection connection = url.openConnection();
if (connection == null) {
return null;
}
if (reload) {
connection.setUseCaches(false);
}
InputStream stream = connection.getInputStream();
if (stream == null) {
return null;
}
BufferedInputStream bis = new BufferedInputStream(stream);
bundle = new XMLResourceBundle(bis);
bis.close();
return bundle;
}
public static void main(String args[]) {
ResourceBundle bundle = ResourceBundle.getBundle("Strings", new XMLResourceBundleControl());
String string = bundle.getString("Key");
System.out.println("Key: " + string);
}
}
class XMLResourceBundle extends ResourceBundle {
private Properties props;
XMLResourceBundle(InputStream stream) throws IOException {
props = new Properties();
props.loadFromXML(stream);
}
protected Object handleGetObject(String key) {
return props.getProperty(key);
}
public Enumeration<String> getKeys() {
Set<String> handleKeys = props.stringPropertyNames();
return Collections.enumeration(handleKeys);
}
}

The Strings.xml Resource Bundle
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE properties SYSTEM "http://java.sun.ru/dtd/properties.dtd</codeTitle><cnTitle></cnTitle><codeKeywords></codeKeywords><codeComments></codeComments>
<properties>
<entry key="Key</codeTitle><cnTitle></cnTitle><codeKeywords></codeKeywords><codeComments></codeComments>Value</entry>
</properties>
</source>

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Admin: 1 версия

в 18:01, 31 мая 2010