com.google.gwt.core.ext.linker.PropertyProviderGenerator Maven / Gradle / Ivy
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Vaadin is a web application framework for Rich Internet Applications (RIA).
Vaadin enables easy development and maintenance of fast and
secure rich web
applications with a stunning look and feel and a wide browser support.
It features a server-side architecture with the majority of the logic
running
on the server. Ajax technology is used at the browser-side to ensure a
rich
and interactive user experience.
/*
* Copyright 2010 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.gwt.core.ext.linker;
import com.google.gwt.core.ext.TreeLogger;
import com.google.gwt.core.ext.UnableToCompleteException;
import java.util.SortedSet;
/**
* An interface for generating a property provider JS implementation, rather
* than having it defined in a module file.
*
* Use it like this:
*
* <property-provider name="foo" generator="org.example.FooGenerator"/>
*
* A default implementation in JS can be included inside the property-provider
* tag as usual, and will be used if the generator returns {@code null}.
*/
public interface PropertyProviderGenerator {
/**
* Generate a property provider.
*
* @param logger TreeLogger
* @param possibleValues the possible values of this property
* @param fallback the fallback value for this property, or null
* @param configProperties the configuration properties for this module
* @return the JS source of the property provider (the complete body of a JS
* function taking no arguments, including open/close braces), or null to
* use the default implementation in the property-provider tag
* @throws UnableToCompleteException after logging the message if processing
* is unable to continue
*/
String generate(TreeLogger logger, SortedSet possibleValues,
String fallback, SortedSet configProperties)
throws UnableToCompleteException;
}