From a4682ceae6774956461edd03b2485bbacea445f4 Mon Sep 17 00:00:00 2001 From: mharmsen Date: Tue, 4 Oct 2011 01:17:41 +0000 Subject: Bugzilla Bug #688225 - (dogtagIPAv2.1) TRACKER: of the Dogtag fixes for freeIPA 2.1 git-svn-id: svn+ssh://svn.fedorahosted.org/svn/pki/tags/IPA_v2_RHEL_6_2_20111003@2252 c9f7a03b-bd48-0410-a16d-cbbf54688b0b --- .../netscape/certsrv/base/MessageFormatter.java | 155 +++++++++++++++++++++ 1 file changed, 155 insertions(+) create mode 100644 pki/base/common/src/com/netscape/certsrv/base/MessageFormatter.java (limited to 'pki/base/common/src/com/netscape/certsrv/base/MessageFormatter.java') diff --git a/pki/base/common/src/com/netscape/certsrv/base/MessageFormatter.java b/pki/base/common/src/com/netscape/certsrv/base/MessageFormatter.java new file mode 100644 index 000000000..796c4255b --- /dev/null +++ b/pki/base/common/src/com/netscape/certsrv/base/MessageFormatter.java @@ -0,0 +1,155 @@ +// --- BEGIN COPYRIGHT BLOCK --- +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; version 2 of the License. +// +// 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 General Public License for more details. +// +// You should have received a copy of the GNU 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. +// +// (C) 2007 Red Hat, Inc. +// All rights reserved. +// --- END COPYRIGHT BLOCK --- +package com.netscape.certsrv.base; + + +import java.io.*; +import java.util.*; +import java.text.*; +import java.lang.reflect.*; + + +/** + * Factors out common function of formatting internatinalized + * messages taking arguments and using java.util.ResourceBundle + * and java.text.MessageFormat mechanism. + *

+ * + * @version $Revision$, $Date$ + * @see java.text.MessageFormat + * @see java.util.ResourceBundle + */ +public class MessageFormatter { + + private static final Class[] toStringSignature = { Locale.class }; + + /** + * Retrieves the localized string. + * + * @param locale end user locale + * @param resourceBundleBaseName resource bundle class name + * @param formatString format string + * @return localized string + */ + public static String getLocalizedString( + Locale locale, String resourceBundleBaseName, + String formatString) { + return getLocalizedString(locale, resourceBundleBaseName, + formatString, null); + } + + /** + * Retrieves the localized string. + * + * @param locale end user locale + * @param resourceBundleBaseName resource bundle class name + * @param formatString format string + * @param params parameters to be substituted + * @return localized string + */ + public static String getLocalizedString( + Locale locale, String resourceBundleBaseName, + String formatString, Object params) { + Object o[] = new Object[1]; + + o[0] = params; + return getLocalizedString(locale, resourceBundleBaseName, + formatString, o); + } + + /** + * Retrieves the localized string. + * + * @param locale end user locale + * @param resourceBundleBaseName resource bundle class name + * @param formatString format string + * @param params parameters to be substituted + * @return localized string + */ + public static String getLocalizedString( + Locale locale, String resourceBundleBaseName, + String formatString, Object[] params) { + + String localizedFormat = null; + + try { + try { + // if you are worried about the efficiency of the + // following line, dont worry. ResourceBundle has + // an internal cache. So resource bundle wont be + // instantiated everytime you call toString(). + + localizedFormat = ResourceBundle.getBundle( + resourceBundleBaseName, locale).getString(formatString); + } catch (MissingResourceException e) { + return formatString; + + } + Object[] localizedParams = params; + Object[] localeArg = null; + + if (params != null) { + for (int i = 0; i < params.length; ++i) { + if (!(params[i] instanceof String) || + !(params[i] instanceof Date) || + !(params[i] instanceof Number)) { + if (localizedParams == params) { + + // only done once + // NB if the following variant of cloning code is used + // localizedParams = (Object [])mParams.clone(); + // it causes ArrayStoreException in + // localizedParams[i] = params[i].toString(); + // below + + localizedParams = new Object[params.length]; + System.arraycopy(params, 0, localizedParams, 0, + params.length); + } + try { + Method toStringMethod = params[i].getClass().getMethod( + "toString", toStringSignature); + + if (localeArg == null) { + // only done once + localeArg = new Object[] { locale }; + } + localizedParams[i] = toStringMethod.invoke( + params[i], localeArg); + } catch (Exception e) { + // no method for localization, fall back + localizedParams[i] = params[i].toString(); + } + } + } + } + try { + // XXX - runtime exception may be raised by the following function + MessageFormat format = new MessageFormat(localizedFormat); + + return format.format(localizedParams); + } catch (IllegalArgumentException e) { + // XXX - for now, we just print the unformatted message + // if the exception is raised + return localizedFormat; + } + } catch (Exception e) { + return localizedFormat; + } + } +} -- cgit