graphql.i18n.I18n Maven / Gradle / Ivy
package graphql.i18n;
import graphql.Internal;
import graphql.VisibleForTesting;
import java.text.MessageFormat;
import java.util.List;
import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
import static graphql.Assert.assertNotNull;
import static graphql.Assert.assertShouldNeverHappen;
@Internal
public class I18n {
/**
* This enum is a type safe way to control what resource bundle to load from
*/
public enum BundleType {
Parsing,
Scalars,
Validation,
Execution,
General;
private final String baseName;
BundleType() {
this.baseName = "i18n." + this.name();
}
}
private final ResourceBundle resourceBundle;
private final Locale locale;
@VisibleForTesting
protected I18n(BundleType bundleType, Locale locale) {
assertNotNull(bundleType);
assertNotNull(locale);
this.locale = locale;
// load the resource bundle with this classes class loader - to help avoid confusion in complicated worlds
// like OSGI
this.resourceBundle = ResourceBundle.getBundle(bundleType.baseName, locale, I18n.class.getClassLoader()); }
public Locale getLocale() {
return locale;
}
public ResourceBundle getResourceBundle() {
return resourceBundle;
}
public static I18n i18n(BundleType bundleType, Locale locale) {
return new I18n(bundleType, locale);
}
/**
* Creates an I18N message using the key and arguments
*
* @param msgKey the key in the underlying message bundle
* @param msgArgs the message arguments
*
* @return the formatted I18N message
*/
public String msg(String msgKey, Object... msgArgs) {
return msgImpl(msgKey, msgArgs);
}
/**
* Creates an I18N message using the key and arguments
*
* @param msgKey the key in the underlying message bundle
* @param msgArgs the message arguments
*
* @return the formatted I18N message
*/
public String msg(String msgKey, List
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