package org.drools.compiler;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import org.drools.RuntimeDroolsException;
import org.drools.agent.FileLoader;
import org.drools.rule.Package;
/**
* This is used by the agent when a source file is encountered.
*/
public class SourcePackageProvider implements FileLoader {
public Package loadPackage(File drl) throws IOException {
FileInputStream fin = new FileInputStream(drl);
PackageBuilder b = new PackageBuilder();
try {
b.addPackageFromDrl(new InputStreamReader(fin));
fin.close();
if (b.hasErrors()) {
throw new RuntimeDroolsException(
"Error building rules from source: " + b.getErrors());
} else {
return b.getPackage();
}
} catch (DroolsParserException e) {
throw new RuntimeException(e);
}
}
}