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author | kstranacher <kstranacher@d688527b-c9ab-4aba-bd8d-4036d912da1d> | 2012-02-20 11:21:24 +0000 |
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committer | kstranacher <kstranacher@d688527b-c9ab-4aba-bd8d-4036d912da1d> | 2012-02-20 11:21:24 +0000 |
commit | d3352bc9db1891c8f90f8c542eac65da64a234d3 (patch) | |
tree | f7b7c932e39e201d22ef5232bf90081c2d357885 /common/src/main/java/at/gv/egovernment/moa/util/Messages.java | |
parent | 9b1af165432c82d64f49d3e3730534b224230b53 (diff) | |
parent | b858a62942137068394790a22c10b968e1c41e0f (diff) | |
download | moa-id-spss-tags/1.5.1.tar.gz moa-id-spss-tags/1.5.1.tar.bz2 moa-id-spss-tags/1.5.1.zip |
MOA-IDSPSS Release 1.5.1.tags/1.5.1
git-svn-id: https://joinup.ec.europa.eu/svn/moa-idspss/tags/1.5.1@1271 d688527b-c9ab-4aba-bd8d-4036d912da1d
Diffstat (limited to 'common/src/main/java/at/gv/egovernment/moa/util/Messages.java')
-rw-r--r-- | common/src/main/java/at/gv/egovernment/moa/util/Messages.java | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/common/src/main/java/at/gv/egovernment/moa/util/Messages.java b/common/src/main/java/at/gv/egovernment/moa/util/Messages.java new file mode 100644 index 000000000..94dc3ab47 --- /dev/null +++ b/common/src/main/java/at/gv/egovernment/moa/util/Messages.java @@ -0,0 +1,141 @@ +/* + * Copyright 2003 Federal Chancellery Austria + * MOA-ID has been developed in a cooperation between BRZ, the Federal + * Chancellery Austria - ICT staff unit, and Graz University of Technology. + * + * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by + * the European Commission - subsequent versions of the EUPL (the "Licence"); + * You may not use this work except in compliance with the Licence. + * You may obtain a copy of the Licence at: + * http://www.osor.eu/eupl/ + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the Licence is distributed on an "AS IS" basis, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the Licence for the specific language governing permissions and + * limitations under the Licence. + * + * This product combines work with different licenses. See the "NOTICE" text + * file for details on the various modules and licenses. + * The "NOTICE" text file is part of the distribution. Any derivative works + * that you distribute must include a readable copy of the "NOTICE" text file. + */ + + +package at.gv.egovernment.moa.util; + +import java.text.MessageFormat; +import java.util.Locale; +import java.util.MissingResourceException; +import java.util.PropertyResourceBundle; + +import at.gv.egovernment.moa.logging.Logger; + +/** + * Provides access to the system messages resource used for exception handling + * and logging messages. + * + * Messages must be provided as a resource bundle at the path. + * + * @author Patrick Peck + * @version $Id$ + */ +public class Messages { + /** Error message indicating that no messages are avaiable. */ + private static final String ERROR_MESSAGES_UNAVAILABLE = + "Fehler in der Server-Konfiguration. " + + "Die Fehlertexte konnten nicht geladen werden."; + /** Error message indicating that the message is not available. */ + private static final String ERROR_NO_MESSAGE = + "Keine Fehlermeldung für Fehler-Nr.={0}"; + + /** The names of the resources containing the messages. */ + private String[] resourceNames; + /** The corresponding <code>Locale</code>s of the resources. */ + private Locale[] locales; + /** The <code>ResourceBundle</code>s containing the messages. */ + private ResourceBundleChain messages; + + /** + * Create a new <code>Message</code> object containing the messages + * in the given resources. + * + * @param resourceNames The names of the resources containing the messages. + * @param locales The corresponding locales. + */ + public Messages(String[] resourceNames, Locale[] locales) { + this.resourceNames = resourceNames; + this.locales = locales; + this.messages = null; + } + + /** + * Get the message corresponding to a given message ID. + * + * @param messageId The ID of the message. + * @param parameters The parameters to fill in into the message arguments. + * @return The formatted message. + */ + public String getMessage(String messageId, Object[] parameters) { + // initialize messages + if (messages == null) { + initMessages(); + } + + // create the message + if (messages == null) { + return ERROR_MESSAGES_UNAVAILABLE; + } else { + try { + String rawMessage = messages.getString(messageId); + return MessageFormat.format(rawMessage, parameters); + } catch (MissingResourceException e2) { + // couldn't find any message -> set to default error message + return MessageFormat.format( + ERROR_NO_MESSAGE, + new Object[] { messageId }); + } + } + } + + /** + * Return the names of the resources containing the messages. + * + * @return String[] The names of the resource bundles containing the messages. + */ + private String[] getResourceNames() { + return resourceNames; + } + + /** + * Return the <code>Locale</code>s of the resources containing the messages. + * + * @return Locale[] The <code>Locale</code>s of the resource bundles + * containing the messages. + */ + private Locale[] getLocales() { + return locales; + } + + /** + * Initialize the <code>messages</code> <code>ResourceBundle</code> containing + * the MOA error messages. + */ + private void initMessages() { + messages = new ResourceBundleChain(); + int i; + + // initialize the message resources + for (i = 0; i < resourceNames.length; i++) { + try { + messages.addResourceBundle( + PropertyResourceBundle.getBundle( + getResourceNames()[i], + getLocales()[i])); + } catch (MissingResourceException e) { + Logger.error(ERROR_MESSAGES_UNAVAILABLE, e); + } + } + } + +} |