com.sun.enterprise.admin.util.cache.ByteArrayDataProvider Maven / Gradle / Ivy
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package com.sun.enterprise.admin.util.cache;
import com.sun.enterprise.util.io.FileUtils;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import org.jvnet.hk2.annotations.Service;
/** DataProvider for byte array. (Super simple)
*
* @author mmares
*/
@Service
public class ByteArrayDataProvider implements DataProvider {
@Override
public boolean accept(Class clazz) {
return byte[].class == clazz;
}
@Override
public void writeToStream(Object o, OutputStream stream) throws IOException {
stream.write((byte[]) o);
}
@Override
public Object toInstance(InputStream stream, Class clazz) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
FileUtils.copy(stream, baos, 0);
return baos.toByteArray();
}
}