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101 lines
3.2 KiB
Java
101 lines
3.2 KiB
Java
package biweekly;
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import java.text.MessageFormat;
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import java.util.MissingResourceException;
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import java.util.ResourceBundle;
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/*
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Copyright (c) 2013-2023, Michael Angstadt
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* Singleton for accessing the i18n resource bundle.
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* @author Michael Angstadt
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*/
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public enum Messages {
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INSTANCE;
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private final transient ResourceBundle messages;
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Messages() {
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messages = ResourceBundle.getBundle("biweekly.messages");
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}
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/**
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* Gets a validation warning message.
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* @param code the message code
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* @param args the message arguments
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* @return the message
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*/
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public String getValidationWarning(int code, Object... args) {
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return getMessage("validate." + code, args);
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}
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/**
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* Gets a parser warning message.
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* @param code the message code
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* @param args the message arguments
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* @return the message
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*/
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public String getParseMessage(int code, Object... args) {
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return getMessage("parse." + code, args);
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}
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/**
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* Gets an exception message.
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* @param code the message code
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* @param args the message arguments
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* @return the message or null if not found
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*/
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public String getExceptionMessage(int code, Object... args) {
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return getMessage("exception." + code, args);
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}
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/**
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* Builds an {@link IllegalArgumentException} from an exception message.
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* @param code the message code
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* @param args the message arguments
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* @return the exception or null if the message was not found
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*/
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public IllegalArgumentException getIllegalArgumentException(int code, Object... args) {
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String message = getExceptionMessage(code, args);
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return (message == null) ? null : new IllegalArgumentException(message);
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}
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/**
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* Gets a message.
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* @param key the message key
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* @param args the message arguments
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* @return the message or null if not found
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*/
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public String getMessage(String key, Object... args) {
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try {
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String message = messages.getString(key);
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return MessageFormat.format(message, args);
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} catch (MissingResourceException e) {
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return null;
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}
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}
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}
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