package org.drools.template;
import java.io.InputStream;
import java.util.Collection;
import org.drools.template.parser.DefaultTemplateContainer;
import org.drools.template.parser.TemplateContainer;
import org.drools.template.parser.TemplateDataListener;
import org.drools.template.objects.ObjectDataProvider;
/**
* This class provides additional methods for invoking the template
* compiler, taking the actual parameters from maps or objects.
*/
public class ObjectDataCompiler extends DataProviderCompiler {
/**
* Compile templates, substituting from a collection of maps or objects
* into the given template.
* @param objs the collection of maps or objects
* @param template the template resource pathname
* @return the expanded rules as a string
*/
public String compile(final Collection<?> objs, final String template) {
final InputStream templateStream = this.getClass().getResourceAsStream( template );
return compile( objs, templateStream );
}
/**
* Compile templates, substituting from a collection of maps or objects
* into the given template.
* @param objs objs the collection of maps or objects
* @param templateStream the template as a stream
* @return the expanded rules as a string
*/
public String compile(final Collection<?> objs,
final InputStream templateStream) {
TemplateContainer tc = new DefaultTemplateContainer( templateStream );
closeStream( templateStream );
return compile( new ObjectDataProvider( tc, objs ),
new TemplateDataListener( tc ) );
}
}