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Diffstat (limited to 'server/src/main/java/com/vaadin/ui/DeclarativeIconGenerator.java')
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diff --git a/server/src/main/java/com/vaadin/ui/DeclarativeIconGenerator.java b/server/src/main/java/com/vaadin/ui/DeclarativeIconGenerator.java
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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 java.util.HashMap;
+import java.util.Map;
+
+import com.vaadin.server.Resource;
+
+/**
+ * Icon generator class for declarative support.
+ * <p>
+ * Provides a straightforward mapping between an item and its icon.
+ *
+ * @param <T>
+ * item type
+ */
+class DeclarativeIconGenerator<T> implements IconGenerator<T> {
+
+ private Map<T, Resource> captions = new HashMap<>();
+
+ @Override
+ public Resource apply(T item) {
+ return captions.get(item);
+ }
+
+ /**
+ * Sets an {@code icon} for the {@code item}.
+ *
+ * @param item
+ * a data item
+ * @param icon
+ * an icon for the {@code item}
+ */
+ protected void setIcon(T item, Resource icon) {
+ captions.put(item, icon);
+ }
+
+}