001/*
002 * #%L
003 * GwtBootstrap3
004 * %%
005 * Copyright (C) 2015 GwtBootstrap3
006 * %%
007 * Licensed under the Apache License, Version 2.0 (the "License");
008 * you may not use this file except in compliance with the License.
009 * You may obtain a copy of the License at
010 * 
011 *      http://www.apache.org/licenses/LICENSE-2.0
012 * 
013 * Unless required by applicable law or agreed to in writing, software
014 * distributed under the License is distributed on an "AS IS" BASIS,
015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016 * See the License for the specific language governing permissions and
017 * limitations under the License.
018 * #L%
019 */
020package gwt.material.design.client.base.validator;
021
022import com.google.gwt.core.client.GWT;
023
024import java.util.MissingResourceException;
025
026/**
027 * Default implementation of the validator message mixin. This can be replaced with your own version by using
028 * a "replace-with" statment in the gwt module file.
029 * <p>
030 * Example:
031 * <p>
032 * <pre>
033 * {@code
034 * <replace-with class="...CustomValidatorMessageMixin">
035 *     <when-type-is class="gwt.material.design.client.base.validator.ValidatorMessageMixin" />
036 * </replace-with>
037 * }
038 * </pre>
039 *
040 * @author Steven Jardine
041 */
042public class DefaultValidatorMessageMixin implements ValidatorMessageMixin {
043
044    protected ValidationMessages messages = GWT.create(ValidationMessages.class);
045
046    public String lookup(String key) {
047        try {
048            // Replace "." with "_" in the key.
049            return key == null ? null : messages.getString(key.replace(".", "_"));
050        } catch (MissingResourceException e) {
051            return null;
052        }
053    }
054
055    @Override
056    public String lookup(String key, Object[] msgValues) {
057        String msg = lookup(key);
058        if (msg != null) {
059            msg = MessageFormat.format(msg, msgValues);
060        }
061        return msg;
062    }
063}