/*
* 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.internal.transformer.simple;
import static org.mule.runtime.api.metadata.DataType.CURSOR_STREAM_PROVIDER;
import static org.mule.runtime.api.metadata.DataType.INPUT_STREAM;
import org.mule.runtime.api.streaming.bytes.CursorStreamProvider;
import org.mule.runtime.core.api.transformer.DiscoverableTransformer;
import org.mule.runtime.core.api.transformer.TransformerException;
import org.mule.runtime.core.transformer.AbstractTransformer;
import java.io.InputStream;
import java.nio.charset.Charset;
/**
* Transforms a {@link CursorStreamProvider} to an {@link InputStream} by getting a cursor from it
*
* @since 4.0
*/
public class CursorStreamProviderToInputStream extends AbstractTransformer implements DiscoverableTransformer {
private int priorityWeighting = DEFAULT_PRIORITY_WEIGHTING;
public CursorStreamProviderToInputStream() {
registerSourceType(CURSOR_STREAM_PROVIDER);
setReturnDataType(INPUT_STREAM);
}
@Override
protected Object doTransform(Object src, Charset enc) throws TransformerException {
return ((CursorStreamProvider) src).openCursor();
}
/**
* {@inheritDoc}
*/
@Override
public int getPriorityWeighting() {
return priorityWeighting;
}
/**
* {@inheritDoc}
*/
@Override
public void setPriorityWeighting(int weighting) {
priorityWeighting = weighting;
}
}