12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091 |
- /*
- * Copyright 2000-2018 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.server;
-
- import com.vaadin.shared.ui.ErrorLevel;
-
- /**
- * <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.SYSTEM);
- setMode(ContentMode.HTML);
- 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(VaadinServlet.safeEscapeForHtml(getMessage()));
- sb.append("</h2>");
- }
- return sb.toString();
- }
-
- }
|