001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.camel.reifier;
018
019import java.nio.charset.Charset;
020import java.nio.charset.UnsupportedCharsetException;
021
022import org.apache.camel.Processor;
023import org.apache.camel.model.ConvertBodyDefinition;
024import org.apache.camel.model.ProcessorDefinition;
025import org.apache.camel.processor.ConvertBodyProcessor;
026import org.apache.camel.spi.RouteContext;
027import org.apache.camel.support.CamelContextHelper;
028
029public class ConvertBodyReifier extends ProcessorReifier<ConvertBodyDefinition> {
030
031    public ConvertBodyReifier(RouteContext routeContext, ProcessorDefinition<?> definition) {
032        super(routeContext, ConvertBodyDefinition.class.cast(definition));
033    }
034
035    @Override
036    public Processor createProcessor() throws Exception {
037        Class<?> typeClass = parse(Class.class, or(definition.getTypeClass(), parseString(definition.getType())));
038        String charset = validateCharset(parseString(definition.getCharset()));
039        return new ConvertBodyProcessor(typeClass, charset);
040    }
041
042    public static String validateCharset(String charset) throws UnsupportedCharsetException {
043        if (charset != null) {
044            if (Charset.isSupported(charset)) {
045                return Charset.forName(charset).name();
046            }
047            throw new UnsupportedCharsetException(charset);
048        }
049        return null;
050    }
051
052}