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Code Block
Java
Java
package org.tupeloproject.kernel;

import java.io.FileInputStream;
import java.io.FileNotFoundException;

public class ExampleContext extends Context {
    public void doPerform(BlobFetcher bf) throws OperatorException {
        String pathname = bf.getUri().toString().replaceFirst("http://foo.bar.baz/quux", "/usr/share/data/fbbq");
        try {
            bf.setInputStream(new FileInputStream(pathname));
        } catch (FileNotFoundException e) {
            throw new NotFoundException("no file found for URI "+bf.getUri(), e);
        }
    }
}

And here's how it would be used to read a file:

Code Block
Java
Java

ExampleContext ec = new ExampleContext();
BlobFetcher bf = new BlobFetcher();
bf.setUri(URI.create("http://foo.bar.baz/quux/some/file.txt"));
ec.perform(bf);
InputStream is = bf.getInputStream();
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