X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Fweb%2Fpage%2FTemplatePage.java;h=db011df1fa746cb2d39e471061e5efc000d5bf88;hb=1127a71127c6488152e5cbe3b8c6d941eaf14e83;hp=73a3057fb734df2708dca28a75ae7f52865c7322;hpb=e3cd6bfb5d34bbd5f5f54672793ddf04732f279d;p=Sone.git
diff --git a/src/main/java/net/pterodactylus/sone/web/page/TemplatePage.java b/src/main/java/net/pterodactylus/sone/web/page/TemplatePage.java
index 73a3057..db011df 100644
--- a/src/main/java/net/pterodactylus/sone/web/page/TemplatePage.java
+++ b/src/main/java/net/pterodactylus/sone/web/page/TemplatePage.java
@@ -30,7 +30,7 @@ import freenet.l10n.BaseL10n;
/**
* Base class for all {@link Page}s that are rendered with {@link Template}s.
- *
+ *
* @author David âBombeâ Roden
*/
public class TemplatePage implements Page, LinkEnabledCallback {
@@ -49,7 +49,7 @@ public class TemplatePage implements Page, LinkEnabledCallback {
/**
* Creates a new template page.
- *
+ *
* @param path
* The path of the page
* @param template
@@ -91,7 +91,12 @@ public class TemplatePage implements Page, LinkEnabledCallback {
pageNode.addCustomStyleSheet(styleSheet);
}
- processTemplate(request, template);
+ try {
+ processTemplate(request, template);
+ } catch (RedirectException re1) {
+ return new RedirectResponse(re1.getTarget());
+ }
+
StringWriter stringWriter = new StringWriter();
template.render(stringWriter);
pageNode.content.addChild("%", stringWriter.toString());
@@ -102,7 +107,7 @@ public class TemplatePage implements Page, LinkEnabledCallback {
/**
* Can be overridden to return a custom set of style sheets that are to be
* included in the pageâs header.
- *
+ *
* @return Additional style sheets to load
*/
protected Collection getStyleSheets() {
@@ -112,20 +117,22 @@ public class TemplatePage implements Page, LinkEnabledCallback {
/**
* Can be overridden when extending classes need to set variables in the
* template before it is rendered.
- *
+ *
* @param request
* The request that is rendered
* @param template
* The template to set variables in
+ * @throws RedirectException
+ * if the processing page wants to redirect after processing
*/
- protected void processTemplate(Request request, Template template) {
+ protected void processTemplate(Request request, Template template) throws RedirectException {
/* do nothing. */
}
/**
* Can be overridden to redirect the user to a different page, in case a log
* in is required, or something else is wrong.
- *
+ *
* @param request
* The request that is processed
* @return The URL to redirect to, or {@code null} to not redirect
@@ -146,4 +153,38 @@ public class TemplatePage implements Page, LinkEnabledCallback {
return true;
}
+ /**
+ * Exception that can be thrown to signal that a subclassed {@link Page}
+ * wants to redirect the user during the
+ * {@link TemplatePage#processTemplate(net.pterodactylus.sone.web.page.Page.Request, Template)}
+ * method call.
+ *
+ * @author David âBombeâ Roden
+ */
+ public class RedirectException extends Exception {
+
+ /** The target to redirect to. */
+ private final String target;
+
+ /**
+ * Creates a new redirect exception.
+ *
+ * @param target
+ * The target of the redirect
+ */
+ public RedirectException(String target) {
+ this.target = target;
+ }
+
+ /**
+ * Returns the target to redirect to.
+ *
+ * @return The target to redirect to
+ */
+ public String getTarget() {
+ return target;
+ }
+
+ }
+
}