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1
9 package org.jboss.portal.core.theme.deployment.jboss;
10
11 import org.apache.log4j.Logger;
12 import org.apache.xpath.CachedXPathAPI;
13 import org.jboss.deployment.DeploymentException;
14 import org.jboss.portal.common.util.XML;
15 import org.jboss.portal.core.theme.impl.PortalThemeImpl;
16 import org.jboss.portal.core.theme.impl.ThemeLinkImpl;
17 import org.jboss.portal.core.theme.impl.ThemeScriptImpl;
18 import org.jboss.portal.server.ServerManager;
19 import org.jboss.portal.server.ServerRegistrationID;
20 import org.jboss.portal.server.ThemeServer;
21 import org.jboss.portal.server.deployment.PortalWebApp;
22 import org.jboss.portal.server.deployment.jboss.Deployment;
23 import org.jboss.portal.server.metadata.ThemeRegistrationMetaData;
24 import org.jboss.portal.server.theme.PortalTheme;
25 import org.jboss.portal.server.theme.ThemeException;
26 import org.jboss.portal.server.theme.ThemeLink;
27 import org.jboss.portal.server.theme.ThemeScript;
28 import org.w3c.dom.Document  ;
29 import org.w3c.dom.Node ;
30 import org.w3c.dom.NodeList ;
31 import org.xml.sax.SAXException ;
32
33 import javax.servlet.ServletContext ;
34 import javax.xml.parsers.ParserConfigurationException ;
35 import javax.xml.transform.TransformerException ;
36 import java.io.IOException ;
37 import java.io.InputStream ;
38 import java.net.URL ;
39
40
48 public class ThemeDeployment extends Deployment
49 {
50 private static Logger log = Logger.getLogger(ThemeDeployment.class);
51 private final ThemeServer themeServer;
52
53
61 public ThemeDeployment(ServerManager serverManager, URL url, PortalWebApp pwa, String appName)
62 {
63 super(serverManager, url, pwa, appName);
64 themeServer = serverManager.getThemeServer();
65 log.info("new theme deployer for : " + appName);
66 }
67
68
73 public void create() throws DeploymentException
74 {
75 log.info("create new theme(s), found in : " + appName);
76 try
77 {
78 InputStream themeStream = pwa.getServletContext().getResourceAsStream("/WEB-INF/portal-themes.xml");
79 Document themes = XML.createDocument(themeStream);
80 CachedXPathAPI xpath = new CachedXPathAPI();
81 NodeList nl = xpath.selectNodeList(themes, "/themes/theme");
82 for (int i = 0; i < nl.getLength(); i++)
83 {
84 String name = xpath.selectSingleNode(nl.item(i), "./name/text()").getNodeValue();
85 PortalTheme theme = createTheme(pwa.getServletContext(), pwa.getContextPath(), appName, name);
86 addThemeLinks(theme, xpath, nl.item(i));
88 addThemeScripts(theme, xpath, nl.item(i));
89
90 themeServer.addTheme((ThemeRegistrationMetaData)theme);
91 }
92 log.info("done creating new theme(s), found in : " + appName);
93 }
94 catch (IOException e)
95 {
96 throw new DeploymentException(e);
97 }
98 catch (ParserConfigurationException e)
99 {
100 throw new DeploymentException(e);
101 }
102 catch (SAXException e)
103 {
104 throw new DeploymentException(e);
105 }
106 catch (TransformerException e)
107 {
108 throw new DeploymentException(e);
109 }
110 catch (ThemeException e)
111 {
112 throw new DeploymentException(e);
113 }
114 }
115
116
121 public void destroy() throws DeploymentException
122 {
123 log.info("destroying theme(s), found in : " + appName);
124 try
125 {
126 themeServer.removeThemes(appName);
127 log.info("done destroying theme(s), found in : " + appName);
128 }
129 catch (ThemeException e)
130 {
131 throw new DeploymentException(e);
132 }
133 }
134
135
137 private PortalTheme createTheme(ServletContext servletContext, String contextPath, String appName, String name)
138 {
139 log.debug("create theme for context " + servletContext.getServletContextName() + " and name " + name);
140 if (servletContext == null || name == null)
141 {
142 throw new NullPointerException ("ServletContext[" + servletContext + "] name[" + name + "]");
143 }
144 ServerRegistrationID id = ServerRegistrationID.createID(ServerRegistrationID.TYPE_THEME, new String []{appName, name});
145 return new PortalThemeImpl(id, servletContext, contextPath, appName, name);
146 }
147
148 private void addThemeScripts(PortalTheme theme, CachedXPathAPI xpath, Node item) throws TransformerException
149 {
150 NodeList scripts = xpath.selectNodeList(item, "./script");
151 if (scripts.getLength() > 0)
152 {
153 for (int s = 0; s < scripts.getLength(); s++)
154 {
155 String src = getNodeValue(xpath, scripts.item(s), "@src");
156 String type = getNodeValue(xpath, scripts.item(s), "@type");
157 createScript(theme, src, type);
158 }
159 }
160 }
161
162 private void addThemeLinks(PortalTheme theme, CachedXPathAPI xpath, Node item) throws TransformerException
163 {
164 NodeList links = xpath.selectNodeList(item, "./link");
165 if (links.getLength() > 0)
166 {
167 for (int l = 0; l < links.getLength(); l++)
168 {
169 String href = getNodeValue(xpath, links.item(l), "@href");
170 String type = getNodeValue(xpath, links.item(l), "@type");
171 String title = getNodeValue(xpath, links.item(l), "@title");
172 String media = getNodeValue(xpath, links.item(l), "@media");
173 String rel = getNodeValue(xpath, links.item(l), "@rel");
174 createLink(theme, rel, type, href, title, media);
175 }
176 }
177 }
178
179 private static ThemeLink createLink(PortalTheme theme, String rel, String type, String href, String title, String media)
180 {
181 log.debug("create link for theme " + theme.getName());
182 ThemeLink link = new ThemeLinkImpl(theme, rel, type, href, title, media);
183 theme.addLink(link);
184 return link;
185 }
186
187
196 public static ThemeScript createScript(PortalTheme theme, String src, String type)
197 {
198 log.debug("create script for theme " + theme.getName());
199 ThemeScript script = new ThemeScriptImpl(theme, src, type);
200 theme.addScript(script);
201 return script;
202 }
203
204 private static String getNodeValue(CachedXPathAPI xpath, Node item, String exp) throws TransformerException
205 {
206 Node node = xpath.selectSingleNode(item, exp);
207 if (node != null)
208 {
209 return node.getNodeValue();
210 }
211 return null;
212 }
213 }
214 |
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