at.spardat.xma.datasource.DomainFmt Maven / Gradle / Ivy

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package at.spardat.xma.datasource;

/*
 * @(#) $Id: $
 *
 * Copyright 2009/2010 by sIT Solutions, A-1110 Wien, Geiselbergstr.21-25. All rights reserved.
 */

import at.spardat.enterprise.fmt.AParseException;
import at.spardat.enterprise.fmt.AStringFmt;
import at.spardat.enterprise.fmt.IFmt;
import at.spardat.enterprise.util.Types;
import at.spardat.xma.session.XMASession;

public class DomainFmt extends IFmt {

    /**
     * Display just the short value of each entry.
     */
    public static final int SHORT = IFmt.LAST_STYLE * 2;

    /**
     * Display the long value of each domain entry.
     */
    public static final int LONG = SHORT * 2;

    /**
     * Display short and long value of each entry, separated by dash.
     */
    public static final int SHORT_LONG = LONG * 2;

    /**
     * Display the key value of each domain entry
     */
    public static final int KEY = SHORT_LONG * 2;

    private Domain domain;

    public DomainFmt(String dataSource, XMASession session, int style) {
        domain = Domain.getInstance(dataSource, session);
        this.style_ = style;
    }

    public String format(String internal) {
        if (internal == null || internal.length()==0) {
            return "";
        }
        String shortValue = domain.getShortValue(internal);
        if (shortValue.length() == 0){
            shortValue = internal;
        }
        String longValue = domain.getLongValue(internal);
        if (longValue.length() == 0) {
            longValue = shortValue;
        }
        if ((style_ & LONG) != 0) {
            return longValue;
        } else if ((style_ & SHORT_LONG) != 0) {
            return shortValue + " - " + longValue;
        } else if ((style_ & SHORT) != 0) {
            return shortValue;
        } else {
            return internal;
        }
    }

    public boolean isLegalExternalChar(char aChar) {
        return true;
    }

    public boolean isLegalInternal(String internal) {
        return domain.isInTable(internal);
    }

    public boolean isOneWay() {
        return true;
    }

    public int maxLenOfExternal() {
        return AStringFmt.MAX_MAX_LEN;
    }

    public boolean mayBeAppliedTo(byte type) {
        return type == Types.T_DOM || type == Types.T_STRING;
    }

    public String parse(String external) throws AParseException {
        IDomRow[] domRows = getDomain().getDomRows();
        for (int i = 0; i < domRows.length; i++) {
            IDomRow domRow = domRows[i];
            if ((style_ & LONG) != 0 && domRow.getLongValue().equals(external) || (style_ & SHORT) != 0 && domRow.getShortValue().equals(external)) {
                return domRow.getKey();
            }
        }
        throw new RuntimeException("Could not find internal value for '"+external+"'");
    }

    public Domain getDomain() {
        return domain;
    }

}