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;
027
028public class ConvertBodyReifier extends ProcessorReifier<ConvertBodyDefinition> {
029
030    public ConvertBodyReifier(ProcessorDefinition<?> definition) {
031        super(ConvertBodyDefinition.class.cast(definition));
032    }
033
034    @Override
035    public Processor createProcessor(RouteContext routeContext) throws Exception {
036        if (definition.getTypeClass() == null && definition.getType() != null) {
037            definition.setTypeClass(routeContext.getCamelContext().getClassResolver().resolveMandatoryClass(definition.getType()));
038        }
039
040        // validate charset
041        if (definition.getCharset() != null) {
042            validateCharset(definition.getCharset());
043        }
044
045        return new ConvertBodyProcessor(definition.getTypeClass(), definition.getCharset());
046    }
047
048    public static void validateCharset(String charset) throws UnsupportedCharsetException {
049        if (charset != null) {
050            if (Charset.isSupported(charset)) {
051                Charset.forName(charset);
052                return;
053            }
054        }
055        throw new UnsupportedCharsetException(charset);
056    }
057
058}