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- /*
- * Copyright 2000-2016 Vaadin Ltd.
- *
- * 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.vaadin.ui;
-
- import com.vaadin.server.Resource;
- import com.vaadin.server.SerializableFunction;
-
- /**
- * A callback interface for generating icons for an item.
- *
- * @param <T>
- * item type for which the icon is generated
- * @since 8.0
- */
- @FunctionalInterface
- public interface IconGenerator<T> extends SerializableFunction<T, Resource> {
-
- /**
- * Gets an icon resource for the {@code item}.
- *
- * @param item
- * the item for which to generate an icon for
- * @return the generated icon resource
- */
- @Override
- public Resource apply(T item);
- }
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