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/*
* SonarQube
* Copyright (C) 2009-2016 SonarSource SA
* mailto:contact AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.api.utils;
import com.google.common.collect.Iterators;
import com.google.common.collect.Lists;
import org.sonar.api.utils.log.Logger;
import org.sonar.api.utils.log.Loggers;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
import java.util.Set;
public class LocalizedMessages extends ResourceBundle {
private static final Logger LOG = Loggers.get(LocalizedMessages.class);
private Locale locale;
private List<ResourceBundle> bundles;
/**
* Constructs a resource bundle from a list of other resource bundles. If
* there are duplicate keys, the key from the resource bundle with the
* smallest index takes precedence.
*/
public LocalizedMessages(Locale locale, String... basenames) {
this.locale = locale;
bundles = new ArrayList<>(basenames.length);
for (String basename : basenames) {
bundles.add(getBundle("sonar.bundles." + basename, locale));
}
}
@Override
public Locale getLocale() {
return locale;
}
public String format(String key, Object... args) {
return format(true, key, args);
}
public String formatQuietly(String key, Object... args) {
return format(false, key, args);
}
private String format(boolean logIfMissing, String key, Object... args) {
try {
String message = getString(key);
return String.format(locale, message, args);
} catch (MissingResourceException e) {
if (logIfMissing) {
LOG.warn("Missing translation: key==" + key + ",locale=" + locale);
}
return key;
}
}
/*
* (non-Javadoc)
*
* @see java.util.ResourceBundle#getKeys()
*/
@Override
public Enumeration<String> getKeys() {
return new KeyEnumeration();
}
/*
* (non-Javadoc)
*
* @see java.util.ResourceBundle#handleGetObject(java.lang.String)
*/
@Override
protected Object handleGetObject(String key) {
for (ResourceBundle b : bundles) {
try {
return b.getObject(key);
} catch (MissingResourceException mre) {
// iterate
}
}
throw new MissingResourceException(null, null, key);
}
private class KeyEnumeration implements Enumeration<String> {
private Set<String> keys = new HashSet<>();
// Set iterator to simulate enumeration
private Iterator<String> i;
// Constructor
{
for (ResourceBundle b : bundles) {
keys.addAll(Lists.newArrayList(Iterators.forEnumeration(b.getKeys())));
}
i = keys.iterator();
}
@Override
public boolean hasMoreElements() {
return i.hasNext();
}
@Override
public String nextElement() {
return i.next();
}
}
}
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