package de.intevation.gnv.action;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.log4j.Logger;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

/**
 * @author <a href="mailto:tim.englich@intevation.de">Tim Englich</a>
 *
 */
public class ArtifactDatabaseActionBase extends Action {

    protected final static String SUCCSESS_FORWARD_ID = "success";
    protected final static String EXCEPTION_FORWARD_ID = "success";

    /**
     * the logger, used to log exceptions and additonaly information
     */
    private static Logger log = Logger
            .getLogger(ArtifactDatabaseActionBase.class);

    /**
     * Constructor
     */
    public ArtifactDatabaseActionBase() {
        super();
    }


    @Override
    public ActionForward execute(ActionMapping mapping, ActionForm form,
                                 HttpServletRequest request,
                                 HttpServletResponse response) throws Exception {
        log.debug("ArtifactDatabaseActionBase.execute");

        ActionForward forward = mapping.findForward(SUCCSESS_FORWARD_ID);
        return forward;
    }


    protected ActionForward getExceptionForward(ActionMapping mapping) {
        log.debug("ArtifactDatabaseActionBase.getExceptionForward");
        ActionForward lForward = mapping.findForward(EXCEPTION_FORWARD_ID);
        return lForward;
    }


    protected String encode(String s) {
        log.debug("String to encode: " + s);
        s = s.replaceAll("<", "&lt;");
        s = s.replaceAll(">", "&gt;");
        s = s.replaceAll("\"", "&quot;");
        s = s.replaceAll("&", "&amp;");

        log.debug("Encoded string: " + s);
        return s;
    }


    protected String[] encode(String[] s) {
        if (s == null)
            return null;

        String[] good = new String[s.length];
        for (int i = 0; i < good.length; i++) {
            good[i] = encode(s[i]);
        }

        return good;
    }
}
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