initial commit

src/main/java/com/commafeed/frontend/utils/WicketUtils.java

@@ -0,0 +1,135 @@
+package com.commafeed.frontend.utils;
+
+import java.security.Principal;
+import java.util.Map;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.wicket.ajax.WicketEventJQueryResourceReference;
+import org.apache.wicket.markup.head.CssHeaderItem;
+import org.apache.wicket.markup.head.IHeaderResponse;
+import org.apache.wicket.markup.head.JavaScriptHeaderItem;
+import org.apache.wicket.markup.head.OnDomReadyHeaderItem;
+import org.apache.wicket.protocol.http.servlet.ServletWebRequest;
+import org.apache.wicket.request.cycle.RequestCycle;
+import org.apache.wicket.request.http.WebResponse;
+import org.apache.wicket.request.resource.CssResourceReference;
+import org.apache.wicket.request.resource.JavaScriptResourceReference;
+import org.apache.wicket.util.io.IOUtils;
+import org.apache.wicket.util.template.PackageTextTemplate;
+
+import de.agilecoders.wicket.webjars.request.resource.WebjarsCssResourceReference;
+import de.agilecoders.wicket.webjars.request.resource.WebjarsJavaScriptResourceReference;
+
+public class WicketUtils {
+
+	public static void loadJQuery(IHeaderResponse response) {
+		response.render(JavaScriptHeaderItem
+				.forReference(WicketEventJQueryResourceReference.get()));
+	}
+
+	public static JavaScriptHeaderItem buildJavaScriptHeaderItem(Class<?> klass) {
+		return JavaScriptHeaderItem
+				.forReference(new JavaScriptResourceReference(klass, klass
+						.getSimpleName() + ".js"));
+	}
+
+	public static JavaScriptHeaderItem buildJavaScriptWebJarHeaderItem(
+			String name) {
+		return JavaScriptHeaderItem
+				.forReference(new WebjarsJavaScriptResourceReference(name));
+	}
+
+	public static void loadJS(IHeaderResponse response, Class<?> klass) {
+		response.render(buildJavaScriptHeaderItem(klass));
+	}
+
+	public static void loadJS(IHeaderResponse response, Class<?> klass,
+			Map<String, ? extends Object> variables) {
+		OnDomReadyHeaderItem result = null;
+		PackageTextTemplate template = null;
+		try {
+			template = new PackageTextTemplate(klass, klass.getSimpleName()
+					+ ".js");
+			String script = template.asString(variables);
+			result = OnDomReadyHeaderItem.forScript(script);
+		} finally {
+			IOUtils.closeQuietly(template);
+		}
+		response.render(result);
+	}
+
+	public static void loadWebJarJS(IHeaderResponse response, String name) {
+		response.render(buildJavaScriptWebJarHeaderItem(name));
+	}
+
+	public static CssHeaderItem buildCssHeaderItem(Class<?> klass) {
+		return CssHeaderItem.forReference(new CssResourceReference(klass, klass
+				.getSimpleName() + ".css"));
+	}
+
+	public static CssHeaderItem buildCssWebJarHeaderItem(String name) {
+		return CssHeaderItem
+				.forReference(new WebjarsCssResourceReference(name));
+	}
+
+	public static void loadCSS(IHeaderResponse response, Class<?> klass) {
+		response.render(buildCssHeaderItem(klass));
+	}
+
+	public static void loadCSS(IHeaderResponse response, Class<?> klass,
+			Map<String, ? extends Object> variables) {
+		CssHeaderItem result = null;
+		PackageTextTemplate template = null;
+		try {
+			template = new PackageTextTemplate(klass, klass.getSimpleName()
+					+ ".js");
+			String css = template.asString(variables);
+			result = CssHeaderItem.forCSS(css, null);
+		} finally {
+			IOUtils.closeQuietly(template);
+		}
+		response.render(result);
+	}
+
+	public static void loadWebJarCSS(IHeaderResponse response, String name) {
+		response.render(buildCssWebJarHeaderItem(name));
+	}
+
+	public static HttpServletRequest getHttpServletRequest() {
+		ServletWebRequest servletWebRequest = (ServletWebRequest) RequestCycle
+				.get().getRequest();
+		return servletWebRequest.getContainerRequest();
+	}
+
+	public static HttpServletResponse getHttpServletResponse() {
+		WebResponse webResponse = (WebResponse) RequestCycle.get()
+				.getResponse();
+		return (HttpServletResponse) webResponse.getContainerResponse();
+	}
+
+	public static Principal getPrincipal() {
+		return getHttpServletRequest().getUserPrincipal();
+	}
+
+	public static String getPrincipalName() {
+		Principal principal = getPrincipal();
+		return principal == null ? null : principal.toString();
+	}
+
+	public static boolean isUserInRole(String role) {
+		return getHttpServletRequest().isUserInRole(role);
+	}
+
+	public static boolean isUserInRoles(String... roles) {
+		boolean inRoles = true;
+		for (String role : roles) {
+			if (!isUserInRole(role)) {
+				inRoles = false;
+				break;
+			}
+		}
+		return inRoles;
+	}
+}