/**
* 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.component.quickfix.converter;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import org.apache.camel.Converter;
import org.apache.camel.Exchange;
import org.apache.camel.converter.IOConverter;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import quickfix.InvalidMessage;
import quickfix.Message;
/**
* The <a href="http://camel.apache.org/type-converter.html">Type Converters</a>
* for QuickFix related types' converting .
*
*/
@Converter
public final class QuickFixConverter {
public static final int BUFFER_SIZE = 8192;
private static final Log LOG = LogFactory.getLog(QuickFixConverter.class);
private QuickFixConverter() {
// helper class
}
@Converter
public static Message convert(InputStream in, Exchange exchange) throws IOException, InvalidMessage {
byte buffer[] = new byte[BUFFER_SIZE];
ByteArrayOutputStream baos = new ByteArrayOutputStream();
int count;
count = in.read(buffer);
while (count != -1) {
baos.write(buffer, 0, count);
count = in.read(buffer);
}
String str = null;
String charsetName = exchange.getProperty(Exchange.CHARSET_NAME, String.class);
if (charsetName != null) {
try {
str = baos.toString(charsetName);
} catch (UnsupportedEncodingException e) {
LOG.warn("Cannot convert the byte[] into String with the charset: " + charsetName, e);
str = baos.toString();
}
} else {
// using the default encoding
str = baos.toString();
}
in.close();
return new Message(str);
}
@Converter
public static InputStream toInputStream(Message message) throws Exception {
return IOConverter.toInputStream(toString(message).getBytes());
}
@Converter
public static String toString(Message message) throws IOException {
return message.toString();
}
@Converter
public static Message toMessage(String message) throws IOException, InvalidMessage {
return new Message(message);
}
}