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org.primefaces.util.MessageFactory Maven / Gradle / Ivy
/*
* The MIT License
*
* Copyright (c) 2009-2023 PrimeTek Informatics
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.primefaces.util;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.lang.reflect.InvocationTargetException;
import java.net.URL;
import java.net.URLConnection;
import java.nio.charset.StandardCharsets;
import java.security.AccessController;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
import java.text.MessageFormat;
import java.util.Locale;
import java.util.MissingResourceException;
import java.util.PropertyResourceBundle;
import java.util.ResourceBundle;
import javax.faces.application.Application;
import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.FacesContextWrapper;
public class MessageFactory {
private static final String DEFAULT_BUNDLE_BASENAME = "javax.faces.Messages";
private static final String PRIMEFACES_BUNDLE_BASENAME = "org.primefaces.Messages";
private static final String DEFAULT_DETAIL_SUFFIX = "_detail";
private MessageFactory() {
// NOOP
}
public static FacesMessage getFacesMessage(String messageId, FacesMessage.Severity severity, Object... params) {
FacesMessage facesMessage = getFacesMessage(LocaleUtils.getCurrentLocale(), messageId, params);
facesMessage.setSeverity(severity);
return facesMessage;
}
public static FacesMessage getFacesMessage(Locale locale, String messageId, Object... params) {
String summary = null;
String detail = null;
FacesContext facesContext = FacesContext.getCurrentInstance();
Application application = facesContext.getApplication();
String userBundleName = application.getMessageBundle();
ResourceBundle bundle = null;
ClassLoader currentClassLoader = LangUtils.getCurrentClassLoader(application.getClass());
// try user defined bundle first
if (userBundleName != null) {
try {
bundle = getBundle(userBundleName, locale, currentClassLoader, facesContext);
if (bundle.containsKey(messageId)) {
summary = bundle.getString(messageId);
}
}
catch (MissingResourceException e) {
// No Op
}
}
// try primefaces bundle
if (summary == null) {
try {
bundle = getBundle(PRIMEFACES_BUNDLE_BASENAME, locale, currentClassLoader, facesContext);
if (bundle == null) {
throw new NullPointerException();
}
if (bundle.containsKey(messageId)) {
summary = bundle.getString(messageId);
}
}
catch (MissingResourceException e) {
// No Op
}
}
// fallback to default jsf bundle
if (summary == null) {
try {
bundle = getBundle(DEFAULT_BUNDLE_BASENAME, locale, currentClassLoader, facesContext);
if (bundle == null) {
throw new NullPointerException();
}
if (bundle.containsKey(messageId)) {
summary = bundle.getString(messageId);
}
}
catch (MissingResourceException e) {
// No Op
}
}
summary = getFormattedText(locale, summary, params);
if (bundle != null) {
try {
String detailMessageId = messageId + DEFAULT_DETAIL_SUFFIX;
if (bundle.containsKey(detailMessageId)) {
detail = getFormattedText(locale, bundle.getString(detailMessageId), params);
}
}
catch (MissingResourceException e) {
// NoOp
}
}
return new FacesMessage(summary, detail);
}
public static String getMessage(String messageId, Object... params) {
return getMessage(LocaleUtils.getCurrentLocale(), messageId, params);
}
public static String getMessage(Locale locale, String messageId, Object... params) {
String summary = null;
FacesContext facesContext = FacesContext.getCurrentInstance();
Application application = facesContext.getApplication();
String userBundleName = application.getMessageBundle();
ResourceBundle bundle = null;
ClassLoader currentClassLoader = LangUtils.getCurrentClassLoader(application.getClass());
// try user defined bundle first
if (userBundleName != null) {
try {
bundle = getBundle(userBundleName, locale, currentClassLoader, facesContext);
if (bundle.containsKey(messageId)) {
summary = bundle.getString(messageId);
}
}
catch (MissingResourceException e) {
// No Op
}
}
// try primefaces bundle
if (summary == null) {
try {
bundle = getBundle(PRIMEFACES_BUNDLE_BASENAME, locale, currentClassLoader, facesContext);
if (bundle == null) {
throw new NullPointerException();
}
if (bundle.containsKey(messageId)) {
summary = bundle.getString(messageId);
}
}
catch (MissingResourceException e) {
// No Op
}
}
// fallback to default jsf bundle
if (summary == null) {
try {
bundle = getBundle(DEFAULT_BUNDLE_BASENAME, locale, currentClassLoader, facesContext);
if (bundle == null) {
throw new NullPointerException();
}
if (bundle.containsKey(messageId)) {
summary = bundle.getString(messageId);
}
}
catch (MissingResourceException e) {
// No Op
}
}
summary = getFormattedText(locale, summary, params);
return summary;
}
public static String getFormattedText(Locale locale, String message, Object... params) {
if ((params == null || params.length == 0) || LangUtils.isBlank(message)) {
return message;
}
MessageFormat messageFormat = null;
if (locale != null) {
messageFormat = new MessageFormat(message, locale);
}
else {
messageFormat = new MessageFormat(message);
}
return messageFormat.format(params);
}
public static Object getLabel(FacesContext facesContext, UIComponent component) {
String label = (String) component.getAttributes().get("label");
if (label == null) {
label = component.getClientId(facesContext);
}
return label;
}
private static ResourceBundle getBundle(String baseName, Locale locale, ClassLoader classLoader,
FacesContext facesContext) {
ClassLoader primeFacesClassLoader = MessageFactory.class.getClassLoader();
if (PRIMEFACES_BUNDLE_BASENAME.equals(baseName)) {
if (!primeFacesClassLoader.equals(classLoader)) {
return ResourceBundle.getBundle(baseName, locale, classLoader, new PrimeFacesControl(primeFacesClassLoader));
}
}
else if (DEFAULT_BUNDLE_BASENAME.equals(baseName)) {
ClassLoader jsfImplClassLoader = getJSFImplClassLoader(facesContext);
if (!jsfImplClassLoader.equals(classLoader)) {
return ResourceBundle.getBundle(baseName, locale, classLoader, new PrimeFacesControl(jsfImplClassLoader));
}
}
return ResourceBundle.getBundle(baseName, locale, classLoader, new PrimeFacesControl(primeFacesClassLoader));
}
private static ClassLoader getJSFImplClassLoader(FacesContext facesContext) {
facesContext = unwrapFacesContext(facesContext);
Class facesContextImplClass = FacesContext.class;
if (facesContext != null) {
facesContextImplClass = facesContext.getClass();
}
return facesContextImplClass.getClassLoader();
}
private static FacesContext unwrapFacesContext(FacesContext facesContext) {
if (!(facesContext instanceof FacesContextWrapper)) {
return facesContext;
}
FacesContextWrapper wrapper = (FacesContextWrapper) facesContext;
FacesContext unwrapped = wrapper.getWrapped();
if (unwrapped == null || FacesContext.class.equals(unwrapped.getClass())) {
return facesContext;
}
return unwrapFacesContext(unwrapped);
}
/**
* Custom ResourceBundle.Control to handle loading resources as UTF-8 in Java8 and OSGI classloader issues.
*
*/
private static final class PrimeFacesControl extends ResourceBundle.Control {
private final ClassLoader osgiBundleClassLoader;
public PrimeFacesControl(ClassLoader osgiBundleClassLoader) {
this.osgiBundleClassLoader = osgiBundleClassLoader;
}
@Override
public ResourceBundle newBundle(String baseName, Locale locale, String format, ClassLoader classLoader,
boolean reload) throws IllegalAccessException, InstantiationException, IOException {
ResourceBundle resourceBundle = createUnicodeBundle(baseName, locale, format, classLoader, reload);
// If the ResourceBundle cannot be found with the default class loader (usually the thread context class
// loader or TCCL), try to find it with the OSGi bundle's class loader. Since default i18n files are
// included inside of the jar/bundle that provides them, default i18n files are not visible to the TCCL in
// an OSGi environment. Instead, i18n files are only visible to the class loader of the OSGi bundle that
// they are included in.
if (resourceBundle == null && !osgiBundleClassLoader.equals(classLoader)) {
resourceBundle = createUnicodeBundle(baseName, locale, format, osgiBundleClassLoader, reload);
}
return resourceBundle;
}
/**
* For Java 8 we need to create bundle using UTF-8. This is standard in JDK9+.
*/
private ResourceBundle createUnicodeBundle(String baseName, Locale locale, String format, final ClassLoader loader,
final boolean reload) throws IllegalAccessException, InstantiationException, IOException {
// The below is a copy of the default implementation.
String bundleName = toBundleName(baseName, locale);
ResourceBundle bundle = null;
if ("java.class".equals(format)) {
try {
@SuppressWarnings("unchecked")
Class bundleClass = (Class) loader.loadClass(bundleName);
// If the class isn't a ResourceBundle subclass, throw a ClassCastException.
if (!ResourceBundle.class.isAssignableFrom(bundleClass)) {
throw new ClassCastException(bundleClass.getName() + " cannot be cast to ResourceBundle");
}
bundle = bundleClass.getConstructor().newInstance();
}
catch (IllegalArgumentException | InvocationTargetException | SecurityException
| NoSuchMethodException | ClassNotFoundException e) {
// ignore for now
}
}
else if ("java.properties".equals(format)) {
String resourceName = toResourceName(bundleName, "properties");
if (resourceName == null) {
return null;
}
try {
InputStream stream = null;
if (System.getSecurityManager() != null) {
stream = AccessController.doPrivileged((PrivilegedExceptionAction) () -> {
InputStream is = null;
if (reload) {
URL url = loader.getResource(resourceName);
if (url != null) {
URLConnection connection = url.openConnection();
if (connection != null) {
connection.setUseCaches(false);
is = connection.getInputStream();
}
}
}
else {
is = loader.getResourceAsStream(resourceName);
}
return is;
});
}
else {
if (reload) {
URL url = loader.getResource(resourceName);
if (url != null) {
URLConnection connection = url.openConnection();
if (connection != null) {
connection.setUseCaches(false);
stream = connection.getInputStream();
}
}
}
else {
stream = loader.getResourceAsStream(resourceName);
}
}
if (stream != null) {
try {
// Only this line is changed to make it to read properties files as UTF-8.
bundle = new PropertyResourceBundle(new InputStreamReader(stream, StandardCharsets.UTF_8));
}
finally {
stream.close();
}
}
}
catch (PrivilegedActionException e) {
throw (IOException) e.getException();
}
}
else {
throw new IllegalArgumentException("unknown format: " + format);
}
return bundle;
}
}
}
