view artifacts/src/main/java/org/dive4elements/river/themes/DefaultThemeField.java @ 6931:2c8e5bad8699

Fix NPE in case the artifact does not even have the master attribute Started happening with the new other.wqkms.w attribute condition and official lines in waterlevel calculations
author Andre Heinecke <aheinecke@intevation.de>
date Tue, 27 Aug 2013 18:35:51 +0200
parents af13ceeba52a
children
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/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
 * Software engineering by Intevation GmbH
 *
 * This file is Free Software under the GNU AGPL (>=v3)
 * and comes with ABSOLUTELY NO WARRANTY! Check out the
 * documentation coming with Dive4Elements River for details.
 */

package org.dive4elements.river.themes;

import java.util.HashMap;
import java.util.Map;

import org.w3c.dom.Document;
import org.w3c.dom.Element;

import org.dive4elements.artifacts.common.utils.XMLUtils;
import org.dive4elements.artifacts.common.utils.XMLUtils.ElementCreator;


/**
 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
 */
public class DefaultThemeField implements ThemeField {

    protected String name;

    protected Map<String, Object> attr;


    public DefaultThemeField(String name) {
        this.name = name;
        this.attr = new HashMap<String, Object>();
    }


    public String getName() {
        return name;
    }


    public String getType() {
        return (String) getAttribute("type");
    }


    public Object getValue() {
        return getAttribute("value");
    }


    public void setValue(Object value) {
        setAttribute("value", value);
    }


    public Object getAttribute(String name) {
        return attr.get(name);
    }


    public void setAttribute(String name, Object value) {
        if (name == null || value == null) {
            return;
        }

        attr.put(name, value);
    }


    public Document toXML() {
        Document doc = XMLUtils.newDocument();

        ElementCreator cr = new ElementCreator(doc, null, null);

        Element field = cr.create("field");

        for (Map.Entry<String, Object> entry: attr.entrySet()) {
            cr.addAttr(field, entry.getKey(), (String)entry.getValue());
        }

        doc.appendChild(field);

        return doc;
    }
}
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