1 files changed, 92 insertions, 0 deletions
diff --git a/server/src/com/vaadin/terminal/SystemError.java b/server/src/com/vaadin/terminal/SystemError.java
new file mode 100644
index 0000000000..c4cb7eef0c
--- /dev/null
+++ b/server/src/com/vaadin/terminal/SystemError.java
@@ -0,0 +1,92 @@
+/* 
+ * Copyright 2011 Vaadin Ltd.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.vaadin.terminal;
+
+import com.vaadin.terminal.gwt.server.AbstractApplicationServlet;
+
+/**
+ * <code>SystemError</code> is an error message for a problem caused by error in
+ * system, not the user application code. The system error can contain technical
+ * information such as stack trace and exception.
+ * 
+ * SystemError does not support HTML in error messages or stack traces. If HTML
+ * messages are required, use {@link UserError} or a custom implementation of
+ * {@link ErrorMessage}.
+ * 
+ * @author Vaadin Ltd.
+ * @since 3.0
+ */
+@SuppressWarnings("serial")
+public class SystemError extends AbstractErrorMessage {
+
+    /**
+     * Constructor for SystemError with error message specified.
+     * 
+     * @param message
+     *            the Textual error description.
+     */
+    public SystemError(String message) {
+        super(message);
+        setErrorLevel(ErrorLevel.SYSTEMERROR);
+        setMode(ContentMode.XHTML);
+        setMessage(getHtmlMessage());
+    }
+
+    /**
+     * Constructor for SystemError with causing exception and error message.
+     * 
+     * @param message
+     *            the Textual error description.
+     * @param cause
+     *            the throwable causing the system error.
+     */
+    public SystemError(String message, Throwable cause) {
+        this(message);
+        addCause(AbstractErrorMessage.getErrorMessageForException(cause));
+    }
+
+    /**
+     * Constructor for SystemError with cause.
+     * 
+     * @param cause
+     *            the throwable causing the system error.
+     */
+    public SystemError(Throwable cause) {
+        this(null, cause);
+    }
+
+    /**
+     * Returns the message of the error in HTML.
+     * 
+     * Note that this API may change in future versions.
+     */
+    protected String getHtmlMessage() {
+        // TODO wrapping div with namespace? See the old code:
+        // target.addXMLSection("div", message,
+        // "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd");
+
+        StringBuilder sb = new StringBuilder();
+        if (getMessage() != null) {
+            sb.append("<h2>");
+            sb.append(AbstractApplicationServlet
+                    .safeEscapeForHtml(getMessage()));
+            sb.append("</h2>");
+        }
+        return sb.toString();
+    }
+
+}