/*
* 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.datatype;
import static org.mule.runtime.api.i18n.I18nMessageFactory.createStaticMessage;
import org.mule.runtime.api.metadata.DataType;
import org.mule.runtime.api.metadata.DataTypeBuilder;
import org.mule.runtime.api.metadata.MediaType;
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.nio.charset.Charset;
/**
* Converts strings to {@link MediaType} instances. See {@link DataTypeBuilder#mediaType(String)}
*/
public class StringToMediaTypeTransformer extends AbstractTransformer implements DiscoverableTransformer {
private int priorityWeighting = DiscoverableTransformer.DEFAULT_PRIORITY_WEIGHTING;
public StringToMediaTypeTransformer() {
this.registerSourceType(DataType.STRING);
this.setReturnDataType(DataType.builder().type(MediaType.class).build());
}
@Override
protected Object doTransform(Object src, Charset enc) throws TransformerException {
try {
return DataType.builder().mediaType((String) src).build().getMediaType();
} catch (Exception e) {
throw new TransformerException(createStaticMessage("Exception transforming to MediaType."), e);
}
}
@Override
public int getPriorityWeighting() {
return priorityWeighting;
}
@Override
public void setPriorityWeighting(int priorityWeighting) {
this.priorityWeighting = priorityWeighting;
}
}