X-Git-Url: https://code.wpia.club/?a=blobdiff_plain;f=src%2Forg%2Fcacert%2Fgigi%2Fpages%2FPage.java;h=5332fd9e2c0342902314c897f52e51e924581385;hb=d0d2f3e785adb16514e532da67e0534ab484cc43;hp=9a5c178a8d0a576422305094b7fe4383b5361e09;hpb=872e9a7ac8a8a143fe63e178e349663fb524d9d7;p=gigi.git

diff --git a/src/org/cacert/gigi/pages/Page.java b/src/org/cacert/gigi/pages/Page.java
index 9a5c178a..5332fd9e 100644
--- a/src/org/cacert/gigi/pages/Page.java
+++ b/src/org/cacert/gigi/pages/Page.java
@@ -2,110 +2,140 @@ package org.cacert.gigi.pages;
 
 import java.io.IOException;
 import java.net.URL;
+import java.util.Enumeration;
+import java.util.Locale;
 
 import javax.servlet.ServletRequest;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
 
-import org.cacert.gigi.Language;
+import org.cacert.gigi.PermissionCheckable;
+import org.cacert.gigi.dbObjects.User;
+import org.cacert.gigi.localisation.Language;
 import org.cacert.gigi.output.template.Template;
 
 /**
  * This class encapsulates a sub page of Gigi. A template residing nearby this
  * class with name <className>.templ will be loaded automatically.
  */
-public abstract class Page {
-	private String title;
-	private Template defaultTemplate;
-
-	public Page(String title) {
-		this.title = title;
-		URL resource = getClass().getResource(getClass().getSimpleName() + ".templ");
-		if (resource != null) {
-			defaultTemplate = new Template(resource);
-		}
-	}
-
-	/**
-	 * Retrieves the default template (<className>.templ) which has
-	 * already been loaded.
-	 * 
-	 * @return the default template.
-	 */
-	public Template getDefaultTemplate() {
-		return defaultTemplate;
-	}
-
-	/**
-	 * This method can be overridden to execute code and do stuff before the
-	 * default template is applied.
-	 * 
-	 * @param req
-	 *            the request to handle.
-	 * @param resp
-	 *            the response to write to
-	 * @return true, if the request is consumed and the default template should
-	 *         not be applied.
-	 * @throws IOException
-	 *             if output goes wrong.
-	 */
-	public boolean beforeTemplate(HttpServletRequest req, HttpServletResponse resp) throws IOException {
-		return false;
-	}
-
-	/**
-	 * This method is called to generate the content inside the default
-	 * template.
-	 * 
-	 * @param req
-	 *            the request to handle.
-	 * @param resp
-	 *            the response to write to
-	 * @throws IOException
-	 *             if output goes wrong.
-	 */
-	public abstract void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException;
-
-	/**
-	 * Same as {@link #doGet(HttpServletRequest, HttpServletResponse)} but for
-	 * POST requests. By default they are redirected to
-	 * {@link #doGet(HttpServletRequest, HttpServletResponse)};
-	 * 
-	 * @param req
-	 *            the request to handle.
-	 * @param resp
-	 *            the response to write to
-	 * @throws IOException
-	 *             if output goes wrong.
-	 */
-	public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {
-		doGet(req, resp);
-	}
-
-	/**
-	 * Returns true, if this page requires login. Default is <code>true</code>
-	 * 
-	 * @return if the page needs login.
-	 */
-	public boolean needsLogin() {
-		return true;
-	}
-
-	public String getTitle() {
-		return title;
-	}
-
-	public void setTitle(String title) {
-		this.title = title;
-	}
-
-	public static Language getLanguage(ServletRequest req) {
-		return Language.getInstance("de");
-	}
-
-	public static String translate(ServletRequest req, String string) {
-		Language l = getLanguage(req);
-		return l.getTranslation(string);
-	}
+public abstract class Page implements PermissionCheckable {
+
+    private String title;
+
+    private Template defaultTemplate;
+
+    public Page(String title) {
+        this.title = title;
+        URL resource = getClass().getResource(getClass().getSimpleName() + ".templ");
+        if (resource != null) {
+            defaultTemplate = new Template(resource);
+        }
+    }
+
+    /**
+     * Retrieves the default template (&lt;className&gt;.templ) which has
+     * already been loaded.
+     * 
+     * @return the default template.
+     */
+    public Template getDefaultTemplate() {
+        return defaultTemplate;
+    }
+
+    /**
+     * This method can be overridden to execute code and do stuff before the
+     * default template is applied.
+     * 
+     * @param req
+     *            the request to handle.
+     * @param resp
+     *            the response to write to
+     * @return true, if the request is consumed and the default template should
+     *         not be applied.
+     * @throws IOException
+     *             if output goes wrong.
+     */
+    public boolean beforeTemplate(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+        return false;
+    }
+
+    /**
+     * This method is called to generate the content inside the default
+     * template.
+     * 
+     * @param req
+     *            the request to handle.
+     * @param resp
+     *            the response to write to
+     * @throws IOException
+     *             if output goes wrong.
+     */
+    public abstract void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException;
+
+    /**
+     * Same as {@link #doGet(HttpServletRequest, HttpServletResponse)} but for
+     * POST requests. By default they are redirected to
+     * {@link #doGet(HttpServletRequest, HttpServletResponse)};
+     * 
+     * @param req
+     *            the request to handle.
+     * @param resp
+     *            the response to write to
+     * @throws IOException
+     *             if output goes wrong.
+     */
+    public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+        doGet(req, resp);
+    }
+
+    /**
+     * Returns true, if this page requires login. Default is <code>true</code>
+     * 
+     * @return if the page needs login.
+     */
+    public boolean needsLogin() {
+        return true;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public static Language getLanguage(ServletRequest req) {
+        HttpSession session = ((HttpServletRequest) req).getSession();
+        Locale sessval = (Locale) session.getAttribute(Language.SESSION_ATTRIB_NAME);
+        if (sessval != null) {
+            Language l = Language.getInstance(sessval);
+            if (l != null) {
+                return l;
+            }
+        }
+        Enumeration<Locale> langs = req.getLocales();
+        while (langs.hasMoreElements()) {
+            Locale c = langs.nextElement();
+            Language l = Language.getInstance(c);
+            if (l != null) {
+                session.setAttribute(Language.SESSION_ATTRIB_NAME, l.getLocale());
+                return l;
+            }
+        }
+        session.setAttribute(Language.SESSION_ATTRIB_NAME, Locale.ENGLISH);
+        return Language.getInstance(Locale.ENGLISH);
+    }
+
+    public static String translate(ServletRequest req, String string) {
+        Language l = getLanguage(req);
+        return l.getTranslation(string);
+    }
+
+    public static User getUser(HttpServletRequest req) {
+        return LoginPage.getUser(req);
+    }
+
+    @Override
+    public boolean isPermitted(User u) {
+        return !needsLogin() || u != null;
+    }
 
 }