diff -r 000000000000 -r fb9019fb1bf7 src/net/fortuna/ical4j/data/ParserException.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/net/fortuna/ical4j/data/ParserException.java	Tue Feb 10 18:12:00 2015 +0100
@@ -0,0 +1,88 @@
+/**
+ * Copyright (c) 2012, Ben Fortuna
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *  o Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ *  o Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ *  o Neither the name of Ben Fortuna nor the names of any other contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package net.fortuna.ical4j.data;
+
+import java.text.MessageFormat;
+
+/**
+ * <pre>
+ * $Id$ [Apr 5, 2004]
+ * </pre>
+ *
+ * An exception thrown when an error occurs in parsing iCalendar data.
+ * @author Ben Fortuna
+ */
+public class ParserException extends Exception {
+
+    private static final long serialVersionUID = 6116644246112002214L;
+
+    private static final String ERROR_MESSAGE_PATTERN = "Error at line {0}:";
+
+    private int lineNo;
+
+    /**
+     * @param lineNo line number where parsing error ocurred
+     */
+    public ParserException(final int lineNo) {
+        this.lineNo = lineNo;
+    }
+
+    /**
+     * Constructor with message.
+     * @param message a descriptive message for the exception
+     * @param lineNo line number where parsing error ocurred
+     */
+    public ParserException(final String message, final int lineNo) {
+        super(MessageFormat.format(ERROR_MESSAGE_PATTERN, new Object[] { new Integer(lineNo)}) + message);
+        this.lineNo = lineNo;
+    }
+
+    /**
+     * Constructor with message and cause.
+     * @param message a descriptive message for the exception
+     * @param lineNo line number where parsing error ocurred
+     * @param cause a throwable that is the cause of this exception
+     */
+    public ParserException(final String message, final int lineNo,
+            final Throwable cause) {
+
+        super(MessageFormat.format(ERROR_MESSAGE_PATTERN, new Object[] { new Integer(lineNo)}) + message, cause);
+        this.lineNo = lineNo;
+    }
+
+    /**
+     * @return the lineNo
+     */
+    public final int getLineNo() {
+        return lineNo;
+    }
+}