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package org.apache.camel.impl.converter; |
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import org.apache.camel.TypeConverter; |
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import java.lang.reflect.Array; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.Collection; |
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import java.util.List; |
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public class ArrayTypeConverter implements TypeConverter { |
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public <T> T convertTo(Class<T> type, Object value) { |
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if (type.isArray()) { |
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if (value instanceof Collection) { |
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Collection collection = (Collection) value; |
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Object array = Array.newInstance(type.getComponentType(), collection.size()); |
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if (array instanceof Object[]) { |
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collection.toArray((Object[]) array); |
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} |
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else { |
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int index = 0; |
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for (Object element : collection) { |
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Array.set(array, index++, element); |
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} |
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} |
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return (T) array; |
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} |
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else if (value != null && value.getClass().isArray()) { |
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int size = Array.getLength(value); |
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Object answer = Array.newInstance(type.getComponentType(), size); |
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for (int i = 0; i < size; i++) { |
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Array.set(answer, i, Array.get(value, i)); |
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} |
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return (T) answer; |
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} |
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} |
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else if (Collection.class.isAssignableFrom(type)) { |
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if (value != null) { |
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if (value instanceof Object[]) { |
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return (T) Arrays.asList((Object[]) value); |
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} |
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else if (value.getClass().isArray()) { |
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int size = Array.getLength(value); |
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List answer = new ArrayList(size); |
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for (int i = 0; i < size; i++) { |
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answer.add(Array.get(value, i)); |
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} |
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return (T) answer; |
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} |
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} |
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} |
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return null; |
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} |
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} |