org.apache.camel.impl.converter.StaticMethodFallbackTypeConverter Maven / Gradle / Ivy
/**
* 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.Method;
import org.apache.camel.Exchange;
import org.apache.camel.spi.TypeConverterRegistry;
import org.apache.camel.support.TypeConverterSupport;
import org.apache.camel.util.ObjectHelper;
/**
* A {@link org.apache.camel.TypeConverter} implementation which invokes a static method
* as a fallback type converter from a type to another type
*
* @version
*/
public class StaticMethodFallbackTypeConverter extends TypeConverterSupport {
private final Method method;
private final boolean useExchange;
private final TypeConverterRegistry registry;
private final boolean allowNull;
@Deprecated
public StaticMethodFallbackTypeConverter(Method method, TypeConverterRegistry registry) {
this(method, registry, false);
}
public StaticMethodFallbackTypeConverter(Method method, TypeConverterRegistry registry, boolean allowNull) {
this.method = method;
this.useExchange = method.getParameterTypes().length == 4;
this.registry = registry;
this.allowNull = allowNull;
}
@Override
public boolean allowNull() {
return allowNull;
}
@Override
public String toString() {
return "StaticMethodFallbackTypeConverter: " + method;
}
@SuppressWarnings("unchecked")
public T convertTo(Class type, Exchange exchange, Object value) {
return useExchange ? (T)ObjectHelper.invokeMethod(method, null, type, exchange, value, registry)
: (T)ObjectHelper.invokeMethod(method, null, type, value, registry);
}
}