Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/themes/ThemeFactory.java @ 342:f72c63713099
Removed debug code that has been commited by accident.
flys-artifacts/trunk@1741 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Thu, 21 Apr 2011 08:49:58 +0000 |
parents | b36fd8f21e6a |
children | 88a669785863 |
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package de.intevation.flys.themes; import javax.xml.xpath.XPathConstants; import org.apache.log4j.Logger; import org.w3c.dom.Document; import org.w3c.dom.NamedNodeMap; import org.w3c.dom.Node; import org.w3c.dom.NodeList; import de.intevation.artifacts.common.utils.XMLUtils; /** * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public class ThemeFactory { private static Logger logger = Logger.getLogger(ThemeFactory.class); private ThemeFactory() { } /** * Creates a new theme from <i>config</i>. * * @param themeCfg The theme config document that is used to fetch parent * themes. * @param config The theme config node. * * @return a new theme. */ public static Theme createTheme(Document themeCfg, Node config) { String name = getName(config); String desc = getDescription(config); logger.debug("Create new theme: " + name); Theme theme = new DefaultTheme(name, desc); parseInherits(themeCfg, config, theme); parseFields(config, theme); parseAttrs(config, theme); return theme; } protected static String getName(Node config) { return (String) XMLUtils.xpath(config, "@name", XPathConstants.STRING); } protected static String getDescription(Node config) { return (String) XMLUtils.xpath(config, "@desc", XPathConstants.STRING); } protected static void parseInherits(Document themeCfg, Node cfg, Theme t) { logger.debug("ThemeFactory.parseInherits"); NodeList inherits = (NodeList) XMLUtils.xpath( cfg, "inherits/inherit", XPathConstants.NODESET); int num = inherits != null ? inherits.getLength() : 0; if (num == 0) { logger.debug("Theme does not inherit from other themes."); return; } logger.debug("Theme inherits from " + num + " other themes."); for (int i = 0; i < num; i++) { Node inherit = inherits.item(i); String from = (String) XMLUtils.xpath( inherit, "@from", XPathConstants.STRING); Node tmp = getThemeNode(themeCfg, from); parseInherits(themeCfg, tmp, t); parseFields(tmp, t); } } protected static Node getThemeNode(Document themeCfg, String name) { if (name == null) { logger.warn("Cannot search theme config without name!"); return null; } logger.debug("Search for theme: " + name); String xpath = "/themes/theme[@name='" + name + "']"; return (Node) XMLUtils.xpath(themeCfg, xpath, XPathConstants.NODE); } protected static void parseFields(Node config, Theme theme) { if (config == null || theme == null) { logger.warn("Parsing fields without node or theme is senseless!"); return; } NodeList fields = (NodeList) XMLUtils.xpath( config, "fields/field", XPathConstants.NODESET); int num = fields != null ? fields.getLength() : 0; logger.debug("Found " + num + " own fields in this theme."); if (num == 0) { logger.debug("Theme has no own fields."); return; } for (int i = 0; i < num; i++) { Node field = fields.item(i); addField(theme, field); } } protected static void addField(Theme theme, Node field) { String name = (String) XMLUtils.xpath( field, "@name", XPathConstants.STRING); logger.debug("Add field: " + name); NamedNodeMap attrs = field.getAttributes(); int num = attrs != null ? attrs.getLength() : 0; if (num == 0) { logger.warn("This field has no attributes."); return; } ThemeField theField = new DefaultThemeField(name); for (int i = 0; i < num; i++) { Node attr = attrs.item(i); String key = attr.getNodeName(); String value = attr.getNodeValue(); theField.setAttribute(key, value); } theme.addField(name, theField); } protected static void parseAttrs(Node config, Theme theme) { NamedNodeMap attrs = config.getAttributes(); int num = attrs != null ? attrs.getLength() : 0; if (num == 0) { logger.debug("Theme has no attributes set."); return; } for (int i = 0; i < num; i++) { Node attr = attrs.item(i); String name = attr.getNodeName(); String value = attr.getNodeValue(); theme.addAttribute(name, value); } } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :