1 files changed, 39 insertions, 0 deletions
diff --git a/src/main/java/com/google/escapevelocity/ParseException.java b/src/main/java/com/google/escapevelocity/ParseException.java
new file mode 100644
index 0000000..241a192
--- /dev/null
+++ b/src/main/java/com/google/escapevelocity/ParseException.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2015 Google, Inc.
+ *
+ * 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.google.escapevelocity;
+
+/**
+ * An exception that occurred while parsing a template.
+ *
+ * @author emcmanus@google.com (Éamonn McManus)
+ */
+public class ParseException extends RuntimeException {
+  private static final long serialVersionUID = 1;
+
+  ParseException(String message, String resourceName, int lineNumber) {
+    super(message + ", " + where(resourceName, lineNumber));
+  }
+
+  ParseException(String message, String resourceName, int lineNumber, String context) {
+    super(message + ", " + where(resourceName, lineNumber) + ", at text starting: " + context);
+  }
+
+  private static String where(String resourceName, int lineNumber) {
+    if (resourceName == null) {
+      return "on line " + lineNumber;
+    } else {
+      return "on line " + lineNumber + " of " + resourceName;
+    }
+  }
+}