package org.korsakow.domain.command;
import java.sql.SQLException;
import java.util.Collection;
import javax.xml.xpath.XPathExpressionException;
import org.dsrg.soenea.domain.MapperException;
import org.dsrg.soenea.domain.command.CommandException;
import org.dsrg.soenea.environment.CreationException;
import org.dsrg.soenea.environment.KeyNotFoundException;
import org.dsrg.soenea.uow.UoW;
import org.korsakow.domain.Text;
import org.korsakow.domain.interf.IResource;
import org.korsakow.domain.mapper.input.MapperHelper;
import org.korsakow.domain.mapper.input.TextInputMapper;
public class DeleteTextCommand extends AbstractCommand{
public DeleteTextCommand(Helper request, Helper response) {
super(request, response);
}
public void execute()
throws CommandException {
try {
Text v = null;
v = TextInputMapper.map(request.getLong(UpdateTextCommand.ID));
Collection<IResource> references = MapperHelper.findResourcesReferencing(v.getId());
if (references.isEmpty()) {
UoW.getCurrent().registerRemoved(v);
response.set("deleted", v);
} else {
response.set("resourceInUse", true);
response.set("references", references);
}
UoW.getCurrent().commit();
UoW.newCurrent();
} catch (MapperException e) {
throw new CommandException(e);
} catch (SQLException e) {
throw new CommandException(e);
} catch (KeyNotFoundException e) {
throw new CommandException(e);
} catch (CreationException e) {
throw new CommandException(e);
} catch (XPathExpressionException e) {
throw new CommandException(e);
}
}
}