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+// --- 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.cmscore.util;
+
+
+import com.netscape.certsrv.base.MessageFormatter;
+import java.util.Locale;
+
+
+/**
+ * This object is used to easily create I18N messages for utility
+ * classes and standalone programs.
+ *
+ * @author mikep
+ * @version $Revision$, $Date$
+ * @see com.netscape.certsrv.base.MessageFormatter
+ * @see com.netscape.cmscore.util.UtilResources
+ */
+public class UtilMessage {
+
+ protected Object mParams[] = null;
+
+ private String mMessage = null;
+
+ /**
+ * The bundle name for this event.
+ */
+ static String mBundleName = UtilResources.class.getName();
+
+ /**
+ * Constructs a message event
+ * <P>
+ *
+ * @param msgFormat the message string
+ */
+ public UtilMessage(String msgFormat) {
+ mMessage = msgFormat;
+ mParams = null;
+ }
+
+ /**
+ * Constructs a message with a parameter. For example,
+ * <PRE>
+ * new UtilMessage("failed to load {0}", fileName);
+ * </PRE>
+ * <P>
+ *
+ * @param msgFormat details in message string format
+ * @param param message string parameter
+ */
+ public UtilMessage(String msgFormat, String param) {
+ this(msgFormat);
+ mParams = new String[1];
+ mParams[0] = param;
+ }
+
+ /**
+ * Constructs a message from an exception. It can be used to carry
+ * a system exception that may contain information about
+ * the context. For example,
+ * <PRE>
+ * try {
+ * ...
+ * } catch (IOExeption e) {
+ * out.println(new UtilMessage("Encountered System Error {0}", e);
+ * }
+ * </PRE>
+ * <P>
+ *
+ * @param msgFormat exception details in message string format
+ * @param exception system exception
+ */
+ public UtilMessage(String msgFormat, Exception exception) {
+ this(msgFormat);
+ mParams = new Exception[1];
+ mParams[0] = exception;
+ }
+
+ /**
+ * Constructs a message from a base exception. This will use the msgFormat
+ * from the exception itself.
+ * <PRE>
+ * try {
+ * ...
+ * } catch (Exception e) {
+ * System.out.println(new UtilMessage(e));
+ * }
+ * </PRE>
+ * <P>
+ *
+ * @param exception CMS exception
+ */
+ public UtilMessage(Exception e) {
+ this(e.getMessage());
+ mParams = new Exception[1];
+ mParams[0] = e;
+ }
+
+ /**
+ * Constructs a message event with a list of parameters
+ * that will be substituted into the message format.
+ * <P>
+ *
+ * @param msgFormat message string format
+ * @param params list of message format parameters
+ */
+ public UtilMessage(String msgFormat, Object params[]) {
+ this(msgFormat);
+ mParams = params;
+ }
+
+ /**
+ * Returns the current message format string.
+ * <P>
+ *
+ * @return details message
+ */
+ public String getMessage() {
+ return mMessage;
+ }
+
+ /**
+ * Returns a list of parameters.
+ * <P>
+ *
+ * @return list of message format parameters
+ */
+ public Object[] getParameters() {
+ return mParams;
+ }
+
+ /**
+ * Returns localized message string. This method should
+ * only be called if a localized string is necessary.
+ * <P>
+ *
+ * @return details message
+ */
+ public String toString() {
+ return toString(Locale.getDefault());
+ }
+
+ /**
+ * Returns the string based on the given locale.
+ * <P>
+ *
+ * @param locale locale
+ * @return details message
+ */
+ public String toString(Locale locale) {
+ return MessageFormatter.getLocalizedString(locale, getBundleName(),
+ getMessage(),
+ getParameters());
+ }
+
+ /**
+ * Gets the resource bundle name for this class instance. This should
+ * be overridden by subclasses who have their own resource bundles.
+ */
+ protected String getBundleName() {
+ return mBundleName;
+ }
+
+}