add redirect tag support

[org.ibex.xt-crawshaw.git] / src / java / org / ibex / xt / Template.java

diff --git a/src/java/org/ibex/xt/Template.java b/src/java/org/ibex/xt/Template.java
index 8456f61..ac29e8f 100644 (file)
--- a/src/java/org/ibex/xt/Template.java
+++ b/src/java/org/ibex/xt/Template.java
@@ -8,13 +8,14 @@ import java.io.StringReader;
 import java.io.StringWriter;
 import java.io.Writer;
 import java.io.IOException;
+import java.io.FileNotFoundException;
 
 import java.util.*;
 import org.ibex.util.*;
 import org.ibex.js.*;
 
 public class Template extends JSElement {
-    public static Template parse(String path, Template.Scope s) throws IOException {
+    public static Template parse(String path, Template.Scope s) throws FileNotFoundException, IOException {
         Reader xmlreader = new BufferedReader(new InputStreamReader(new FileInputStream(path)));
         XML.Document doc = new XML.Document();
         doc.parse(xmlreader);
@@ -29,6 +30,7 @@ public class Template extends JSElement {
             case "js":          e = new Template.JSTag(e); break;
             case "foreach":     e = new Template.ForEach(e); break;
             case "children":    e = new Template.Children(e); break;
+            case "redirect":    e = new Template.Redirect(e); break;
             case "transaction": e = new Template.Transaction(e, s); break;
             //#end
 
@@ -166,6 +168,22 @@ public class Template extends JSElement {
         public Children(XML.Element e) { super(e); }
     }
 
+    public static final class Redirect extends JSElement {
+        public Redirect(XML.Element e) { super(e); }
+
+        public void out(Writer w) throws IOException {
+            loadAttr();
+
+            try {
+                Object p = get("page"); if (p != null) undeclare("page");
+                if (p == null || !(p instanceof String) || ((String)p).trim().equals(""))
+                    throw new JSElement.Exn("<"+getPrefix()+":redirect> requires 'page' "+
+                                            "attribute to be a valid template path");
+                throw new RedirectSignal((String)p);
+            } catch (JSExn e) { throw new JSElement.Exn(e); }
+        }
+    }
+
     // TODO: finish
     public static final class Transaction extends JSElement {
         private final Template.Scope scope; // FIXME: HACK. unstatisise all tags, or do this to all