/*
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.runtime.core.registry;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import org.mule.runtime.api.metadata.DataType;
import org.mule.runtime.core.api.transformer.DiscoverableTransformer;
import org.mule.runtime.core.api.transformer.Transformer;
import org.mule.runtime.core.api.transformer.TransformerException;
import org.mule.runtime.core.transformer.AbstractTransformer;
import org.mule.runtime.core.internal.transformer.simple.ObjectToByteArray;
import org.mule.tck.junit4.AbstractMuleContextTestCase;
import java.io.FilterInputStream;
import java.nio.charset.Charset;
import org.junit.Test;
public class TransformerCachingTestCase extends AbstractMuleContextTestCase {
@Test
public void testCacheUpdate() throws Exception {
DataType sourceType = DataType.fromType(FilterInputStream.class);
Transformer trans = muleContext.getRegistry().lookupTransformer(sourceType, DataType.BYTE_ARRAY);
assertNotNull(trans);
assertTrue(trans instanceof ObjectToByteArray);
Transformer trans2 = new FilterInputStreamToByteArray();
muleContext.getRegistry().registerTransformer(trans2);
trans = muleContext.getRegistry().lookupTransformer(sourceType, DataType.BYTE_ARRAY);
assertNotNull(trans);
assertTrue(trans instanceof FilterInputStreamToByteArray);
trans = muleContext.getRegistry().lookupTransformer(DataType.INPUT_STREAM, DataType.BYTE_ARRAY);
assertNotNull(trans);
assertTrue(trans instanceof ObjectToByteArray);
muleContext.getRegistry().unregisterTransformer(trans2.getName());
trans = muleContext.getRegistry().lookupTransformer(sourceType, DataType.BYTE_ARRAY);
assertNotNull(trans);
assertTrue(trans instanceof ObjectToByteArray);
}
public static class FilterInputStreamToByteArray extends AbstractTransformer implements DiscoverableTransformer {
public FilterInputStreamToByteArray() {
registerSourceType(DataType.fromType(FilterInputStream.class));
setReturnDataType(DataType.BYTE_ARRAY);
}
@Override
protected Object doTransform(Object src, Charset outputEncoding) throws TransformerException {
throw new UnsupportedOperationException("This is a transformer only to be used for testing");
}
@Override
public int getPriorityWeighting() {
return 0;
}
@Override
public void setPriorityWeighting(int weighting) {
// no-op
}
}
}