/**
* 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;
import java.io.ByteArrayOutputStream;
import java.util.zip.Deflater;
import java.util.zip.Inflater;
import org.apache.camel.ContextTestSupport;
import org.apache.camel.Exchange;
import org.apache.camel.NoTypeConversionAvailableException;
import org.apache.camel.Processor;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.spi.DataFormat;
/**
* Unit test of the zip data format.
*/
public class ZipDataFormatTest extends ContextTestSupport {
private static final String TEXT = "The Cow in Apple Time \n"
+ "by: Robert Frost \n\n"
+ "Something inspires the only cow of late\n"
+ "To make no more of a wall than an open gate,\n"
+ "And think no more of wall-builders than fools.\n"
+ "Her face is flecked with pomace and she drools\n"
+ "A cider syrup. Having tasted fruit,\n"
+ "She scorns a pasture withering to the root.\n"
+ "She runs from tree to tree where lie and sweeten.\n"
+ "The windfalls spiked with stubble and worm-eaten.\n"
+ "She leaves them bitten when she has to fly.\n"
+ "She bellows on a knoll against the sky.\n"
+ "Her udder shrivels and the milk goes dry.";
@Override
public boolean isUseRouteBuilder() {
return false;
}
public void testMarshalMandatoryConversionFailed() throws Exception {
DataFormat dataFormat = new ZipDataFormat();
try {
dataFormat.marshal(new DefaultExchange(new DefaultCamelContext()), new Object(), new ByteArrayOutputStream());
fail("Should have thrown an exception");
} catch (NoTypeConversionAvailableException e) {
// expected
}
}
public void testMarshalTextToZipBestCompression() throws Exception {
context.addRoutes(new RouteBuilder() {
public void configure() {
from("direct:start")
.marshal().zip(Deflater.BEST_COMPRESSION)
.process(new ZippedMessageProcessor());
}
});
context.start();
sendText();
}
public void testMarshalTextToZipBestSpeed() throws Exception {
context.addRoutes(new RouteBuilder() {
public void configure() {
from("direct:start")
.marshal().zip(Deflater.BEST_SPEED)
.process(new ZippedMessageProcessor());
}
});
context.start();
sendText();
}
public void testMarshalTextToZipDefaultCompression() throws Exception {
context.addRoutes(new RouteBuilder() {
public void configure() {
from("direct:start")
.marshal().zip(Deflater.DEFAULT_COMPRESSION)
.process(new ZippedMessageProcessor());
}
});
context.start();
sendText();
}
public void testUnMarshalTextToZip() throws Exception {
context.addRoutes(new RouteBuilder() {
public void configure() {
from("direct:start")
.marshal().zip()
.unmarshal().zip()
.to("mock:result");
}
});
context.start();
MockEndpoint result = context.getEndpoint("mock:result", MockEndpoint.class);
result.expectedBodiesReceived(TEXT);
sendText();
result.assertIsSatisfied();
}
private void sendText() throws Exception {
template.sendBodyAndProperty("direct:start", TEXT, Exchange.CHARSET_NAME, "UTF-8");
}
private static class ZippedMessageProcessor implements Processor {
public void process(Exchange exchange) throws Exception {
byte[] body = exchange.getIn().getBody(byte[].class);
Inflater inflater = new Inflater();
inflater.setInput(body);
// Create an expandable byte array to hold the inflated data
ByteArrayOutputStream bos = new ByteArrayOutputStream(body.length);
// Inflate the compressed data
byte[] buf = new byte[1024];
while (!inflater.finished()) {
int count = inflater.inflate(buf);
bos.write(buf, 0, count);
}
String result = new String(bos.toByteArray(), "UTF-8");
// does the testing
assertEquals(TEXT, result);
}
}
}