/**
* 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.osgi.test;
import org.apache.camel.Converter;
import org.apache.camel.Exchange;
import org.apache.camel.FallbackConverter;
import org.apache.camel.TypeConverter;
import org.apache.camel.component.file.GenericFile;
import org.apache.camel.spi.TypeConverterRegistry;
@Converter
public final class MyTypeConverter {
/**
* Utility classes should not have a public constructor.
*/
private MyTypeConverter() {
}
/**
* Converts the given value to a boolean, handling strings or Boolean
* objects; otherwise returning false if the value could not be converted to
* a boolean
*/
@Converter
public static boolean toBool(Object value) {
Boolean answer = null;
if (value instanceof String) {
answer = Boolean.valueOf((String)value);
}
if (value instanceof Boolean) {
answer = (Boolean) value;
}
if (answer != null) {
return answer.booleanValue();
}
return false;
}
@FallbackConverter
public static Object convertTo(Class<?> type, Exchange exchange, Object value, TypeConverterRegistry registry) {
// use a fallback type converter so we can convert the embedded body if the value is GenericFile
if (GenericFile.class.isAssignableFrom(value.getClass())) {
GenericFile file = (GenericFile) value;
Class from = file.getBody().getClass();
// maybe from is already the type we want
if (from.isAssignableFrom(type)) {
return file.getBody();
}
// no then try to lookup a type converter
TypeConverter tc = registry.lookup(type, from);
if (tc != null) {
Object body = file.getBody();
return tc.convertTo(type, exchange, body);
}
}
return null;
}
}