| /* |
| * Copyright (c) 2009, Rickard Öberg. All Rights Reserved. |
| * |
| * 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 org.apache.zest.api.type; |
| |
| import java.lang.reflect.Type; |
| import java.util.Map; |
| import org.apache.zest.api.util.Classes; |
| |
| /** |
| * Map ValueType. |
| * <p>This handles instances of Map.</p> |
| */ |
| public final class MapType |
| extends ValueType |
| { |
| |
| private ValueType keyType; |
| private ValueType valueType; |
| private final Serialization.Variant variant; |
| |
| public static boolean isMap( Type type ) |
| { |
| Class<?> cl = Classes.RAW_CLASS.map( type ); |
| return Map.class.isAssignableFrom( cl ); |
| } |
| |
| public static MapType of( Class<?> keyType, Class<?> valueType ) |
| { |
| return new MapType( Map.class, ValueType.of( keyType ), ValueType.of( valueType ) ); |
| } |
| |
| public static MapType of( Class<?> keyType, Class<?> valueType, Serialization.Variant variant ) |
| { |
| return new MapType( Map.class, ValueType.of( keyType ), ValueType.of( valueType ), variant ); |
| } |
| |
| public MapType( Class<?> type, ValueType keyType, ValueType valueType ) |
| { |
| this( type, keyType, valueType, Serialization.Variant.entry ); |
| } |
| |
| public MapType( Class<?> type, ValueType keyType, ValueType valueType, Serialization.Variant variant ) |
| { |
| super( type ); |
| this.keyType = keyType; |
| this.valueType = valueType; |
| this.variant = variant; |
| if( !isMap( type ) ) |
| { |
| throw new IllegalArgumentException( type + " is not a Map." ); |
| } |
| } |
| |
| public ValueType keyType() |
| { |
| return keyType; |
| } |
| |
| public ValueType valueType() |
| { |
| return valueType; |
| } |
| |
| public Serialization.Variant variant() |
| { |
| return variant; |
| } |
| |
| @Override |
| public String toString() |
| { |
| return super.toString() + "<" + keyType + "," + valueType + ">"; |
| } |
| } |