| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.camel.impl.converter; |
| |
| import java.lang.reflect.Array; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.List; |
| |
| import org.apache.camel.Exchange; |
| import org.apache.camel.TypeConverter; |
| |
| /** |
| * A type converter which is used to convert to and from array types |
| * particularly for derived types of array component types and dealing with |
| * primitive array types. |
| * |
| * @version |
| */ |
| public class ArrayTypeConverter implements TypeConverter { |
| |
| @SuppressWarnings("unchecked") |
| public <T> T convertTo(Class<T> type, Object value) { |
| if (type.isArray()) { |
| if (value instanceof Collection) { |
| Collection collection = (Collection)value; |
| Object array = Array.newInstance(type.getComponentType(), collection.size()); |
| if (array instanceof Object[]) { |
| collection.toArray((Object[])array); |
| } else { |
| int index = 0; |
| for (Object element : collection) { |
| Array.set(array, index++, element); |
| } |
| } |
| return (T)array; |
| } else if (value != null && value.getClass().isArray()) { |
| int size = Array.getLength(value); |
| Object answer = Array.newInstance(type.getComponentType(), size); |
| for (int i = 0; i < size; i++) { |
| Array.set(answer, i, Array.get(value, i)); |
| } |
| return (T)answer; |
| } |
| } else if (Collection.class.isAssignableFrom(type)) { |
| if (value != null) { |
| if (value instanceof Object[]) { |
| return (T)Arrays.asList((Object[])value); |
| } else if (value.getClass().isArray()) { |
| int size = Array.getLength(value); |
| List answer = new ArrayList(size); |
| for (int i = 0; i < size; i++) { |
| answer.add(Array.get(value, i)); |
| } |
| return (T)answer; |
| } |
| } |
| } |
| return null; |
| } |
| |
| public <T> T convertTo(Class<T> type, Exchange exchange, Object value) { |
| return convertTo(type, value); |
| } |
| |
| public <T> T mandatoryConvertTo(Class<T> type, Object value) { |
| return convertTo(type, value); |
| } |
| |
| public <T> T mandatoryConvertTo(Class<T> type, Exchange exchange, Object value) { |
| return convertTo(type, value); |
| } |
| } |