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package org.glassfish.admingui.handlers;
import com.sun.jsftemplating.annotation.Handler;
import com.sun.jsftemplating.annotation.HandlerInput;
import com.sun.jsftemplating.annotation.HandlerOutput;
import com.sun.jsftemplating.layout.descriptors.handler.HandlerContext;
import com.sun.webui.theme.ThemeContext;
import java.net.URL;
import java.util.Iterator;
import java.util.List;
import java.util.Properties;
import javax.faces.context.FacesContext;
import org.glassfish.admingui.common.handlers.PluginHandlers;
import org.glassfish.admingui.common.plugin.ConsoleClassLoader;
import org.glassfish.admingui.plugin.IntegrationPoint;
import org.glassfish.admingui.theme.AdminguiThemeContext;
/**
*
* @author anilam
*/
public class ThemeHandlers {
/**
* <p> This method initializes the theme using the given
* <code>themeName</code> and <code>themeVersion</code>. If these
* values are not supplied, "suntheme" and "4.2" will be used
* respectively. This method should be invoked before the theme is
* accessed (for example on the initPage or beforeCreate of the login
* page).</p>
*
*/
@Handler(id = "getTheme", input = {
@HandlerInput(name = "themeName", type = String.class),
@HandlerInput(name = "themeVersion", type = String.class)
},
output = {
@HandlerOutput(name = "themeContext", type = ThemeContext.class)
})
public static void getTheme(HandlerContext handlerCtx) {
String themeName = (String) handlerCtx.getInputValue("themeName");
String themeVersion = (String) handlerCtx.getInputValue("themeVersion");
ThemeContext themeContext = AdminguiThemeContext.getInstance(
handlerCtx.getFacesContext(), themeName, themeVersion);
handlerCtx.setOutputValue("themeContext", themeContext);
}
/**
* <p> This method gets the <code>themeName</code> and <code>themeVersion</code>
* via <code>Integration Point</code>. If more than one is provided
* the one with the lowest <code>priority</code> number will be used.
* This method should be invoked before the theme is
* accessed (for example on the initPage or beforeCreate of the login page).</p>
*/
@Handler(id = "getThemeFromIntegrationPoints", output = {
@HandlerOutput(name = "themeContext", type = ThemeContext.class)
})
public static void getThemeFromIntegrationPoints(HandlerContext handlerCtx) {
FacesContext ctx = handlerCtx.getFacesContext();
String type = "org.glassfish.admingui:customtheme";
List<IntegrationPoint> ipList = PluginHandlers.getIntegrationPoints(ctx, type);
if (ipList != null) {
//if more than one integration point is provided then we
//need to find the lowest priority number
int lowest = getLowestPriorityNum(ipList);
for (IntegrationPoint ip : ipList) {
int priority = ip.getPriority();
if (priority == lowest) {
String content = ip.getContent();
if (content == null || content.equals("")) {
throw new IllegalArgumentException("No Properties File Name Provided!");
}
ClassLoader pluginCL = ConsoleClassLoader.findModuleClassLoader(ip.getConsoleConfigId());
URL propertyFileURL = pluginCL.getResource("/" + content);
try {
Properties propertyMap = new Properties();
propertyMap.load(propertyFileURL.openStream());
ThemeContext themeContext =
AdminguiThemeContext.getInstance(ctx, propertyMap);
themeContext.setDefaultClassLoader(pluginCL);
handlerCtx.setOutputValue("themeContext", themeContext);
} catch (Exception ex) {
throw new RuntimeException(
"Unable to access properties file '" + content + "'!", ex);
}
}
}
}
}
private static int getLowestPriorityNum(List ipList) {
Iterator iter = ipList.iterator();
//assuming priority values can only be 1 to 100
int lowest = 101;
while (iter.hasNext()) {
IntegrationPoint iP = (IntegrationPoint) iter.next();
if (iP.getPriority() < lowest) {
lowest = iP.getPriority();
}
}
return lowest;
}
}