001: /* ====================================================================
002: * Tea - Copyright (c) 1997-2000 Walt Disney Internet Group
003: * ====================================================================
004: * The Tea Software License, Version 1.1
005: *
006: * Copyright (c) 2000 Walt Disney Internet Group. All rights reserved.
007: *
008: * Redistribution and use in source and binary forms, with or without
009: * modification, are permitted provided that the following conditions
010: * are met:
011: *
012: * 1. Redistributions of source code must retain the above copyright
013: * notice, this list of conditions and the following disclaimer.
014: *
015: * 2. Redistributions in binary form must reproduce the above copyright
016: * notice, this list of conditions and the following disclaimer in
017: * the documentation and/or other materials provided with the
018: * distribution.
019: *
020: * 3. The end-user documentation included with the redistribution,
021: * if any, must include the following acknowledgment:
022: * "This product includes software developed by the
023: * Walt Disney Internet Group (http://opensource.go.com/)."
024: * Alternately, this acknowledgment may appear in the software itself,
025: * if and wherever such third-party acknowledgments normally appear.
026: *
027: * 4. The names "Tea", "TeaServlet", "Kettle", "Trove" and "BeanDoc" must
028: * not be used to endorse or promote products derived from this
029: * software without prior written permission. For written
030: * permission, please contact opensource@dig.com.
031: *
032: * 5. Products derived from this software may not be called "Tea",
033: * "TeaServlet", "Kettle" or "Trove", nor may "Tea", "TeaServlet",
034: * "Kettle", "Trove" or "BeanDoc" appear in their name, without prior
035: * written permission of the Walt Disney Internet Group.
036: *
037: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
038: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
039: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
040: * DISCLAIMED. IN NO EVENT SHALL THE WALT DISNEY INTERNET GROUP OR ITS
041: * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
042: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
043: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
044: * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
045: * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
046: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
047: * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
048: * ====================================================================
049: *
050: * For more information about Tea, please see http://opensource.go.com/.
051: */
052:
053: package com.go.tea.compiler;
054:
055: import java.util.ResourceBundle;
056: import java.util.MissingResourceException;
057: import java.util.Map;
058: import java.util.HashMap;
059: import java.util.WeakHashMap;
060: import java.text.MessageFormat;
061:
062: /******************************************************************************
063: *
064: * @author Brian S O'Neill
065: * @version
066: * <!--$$Revision:--> 12 <!-- $-->, <!--$$JustDate:--> 9/07/00 <!-- $-->
067: */
068: class MessageFormatter {
069: // Maps Classes to MessageFormatters.
070: private static Map cMessageFormatters;
071:
072: static {
073: try {
074: cMessageFormatters = new WeakHashMap(7);
075: } catch (LinkageError e) {
076: cMessageFormatters = new HashMap(7);
077: } catch (Exception e) {
078: // Microsoft VM sometimes throws an undeclared
079: // ClassNotFoundException instead of doing the right thing and
080: // throwing some form of a LinkageError if the class couldn't
081: // be found.
082: cMessageFormatters = new HashMap(7);
083: }
084:
085: }
086:
087: public static MessageFormatter lookup(Object user)
088: throws MissingResourceException {
089: return lookup(user.getClass());
090: }
091:
092: private static MessageFormatter lookup(Class clazz) {
093: MessageFormatter formatter = (MessageFormatter) cMessageFormatters
094: .get(clazz);
095: if (formatter == null) {
096: String className = clazz.getName();
097: String resourcesName;
098: int index = className.lastIndexOf('.');
099: if (index >= 0) {
100: resourcesName = className.substring(0, index + 1)
101: + "resources." + className.substring(index + 1);
102: } else {
103: resourcesName = "resources." + className;
104: }
105: try {
106: formatter = new MessageFormatter(ResourceBundle
107: .getBundle(resourcesName));
108: } catch (MissingResourceException e) {
109: if (clazz.getSuperclass() == null) {
110: throw e;
111: }
112: try {
113: formatter = lookup(clazz.getSuperclass());
114: } catch (MissingResourceException e2) {
115: throw e;
116: }
117: }
118: cMessageFormatters.put(clazz, formatter);
119: }
120: return formatter;
121: }
122:
123: private ResourceBundle mResources;
124:
125: private MessageFormatter(ResourceBundle resources) {
126: mResources = resources;
127: }
128:
129: public String format(String key) {
130: String message = null;
131: try {
132: message = mResources.getString(key);
133: } catch (MissingResourceException e) {
134: }
135:
136: if (message != null) {
137: return message;
138: } else {
139: return key;
140: }
141: }
142:
143: public String format(String key, String arg) {
144: String message = null;
145: try {
146: message = mResources.getString(key);
147: } catch (MissingResourceException e) {
148: }
149:
150: if (message != null) {
151: return MessageFormat.format(message, new String[] { arg });
152: } else {
153: return key + ": " + arg;
154: }
155: }
156:
157: public String format(String key, String arg1, String arg2) {
158: String message = null;
159: try {
160: message = mResources.getString(key);
161: } catch (MissingResourceException e) {
162: }
163:
164: if (message != null) {
165: return MessageFormat.format(message, new String[] { arg1,
166: arg2 });
167: } else {
168: return key + ": " + arg1 + ", " + arg2;
169: }
170: }
171:
172: public String format(String key, String arg1, String arg2,
173: String arg3) {
174: String message = null;
175: try {
176: message = mResources.getString(key);
177: } catch (MissingResourceException e) {
178: }
179:
180: if (message != null) {
181: return MessageFormat.format(message, new String[] { arg1,
182: arg2, arg3 });
183: } else {
184: return key + ": " + arg1 + ", " + arg2 + ", " + arg3;
185: }
186: }
187: }
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