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diff --git a/srcjar_unused/org/json/simple/parser/ParseException.java b/srcjar_unused/org/json/simple/parser/ParseException.java
new file mode 100644
index 0000000..09b1fd4
--- /dev/null
+++ b/srcjar_unused/org/json/simple/parser/ParseException.java
@@ -0,0 +1,90 @@
+package org.json.simple.parser;
+
+/**
+ * ParseException explains why and where the error occurs in source JSON text.
+ * 
+ * @author FangYidong<fangyidong@yahoo.com.cn>
+ *
+ */
+public class ParseException extends Exception {
+	private static final long serialVersionUID = -7880698968187728547L;
+	
+	public static final int ERROR_UNEXPECTED_CHAR = 0;
+	public static final int ERROR_UNEXPECTED_TOKEN = 1;
+	public static final int ERROR_UNEXPECTED_EXCEPTION = 2;
+
+	private int errorType;
+	private Object unexpectedObject;
+	private int position;
+	
+	public ParseException(int errorType){
+		this(-1, errorType, null);
+	}
+	
+	public ParseException(int errorType, Object unexpectedObject){
+		this(-1, errorType, unexpectedObject);
+	}
+	
+	public ParseException(int position, int errorType, Object unexpectedObject){
+		this.position = position;
+		this.errorType = errorType;
+		this.unexpectedObject = unexpectedObject;
+	}
+	
+	public int getErrorType() {
+		return errorType;
+	}
+	
+	public void setErrorType(int errorType) {
+		this.errorType = errorType;
+	}
+	
+	/**
+	 * @see org.json.simple.parser.JSONParser#getPosition()
+	 * 
+	 * @return The character position (starting with 0) of the input where the error occurs.
+	 */
+	public int getPosition() {
+		return position;
+	}
+	
+	public void setPosition(int position) {
+		this.position = position;
+	}
+	
+	/**
+	 * @see org.json.simple.parser.Yytoken
+	 * 
+	 * @return One of the following base on the value of errorType:
+	 * 		   	ERROR_UNEXPECTED_CHAR		java.lang.Character
+	 * 			ERROR_UNEXPECTED_TOKEN		org.json.simple.parser.Yytoken
+	 * 			ERROR_UNEXPECTED_EXCEPTION	java.lang.Exception
+	 */
+	public Object getUnexpectedObject() {
+		return unexpectedObject;
+	}
+	
+	public void setUnexpectedObject(Object unexpectedObject) {
+		this.unexpectedObject = unexpectedObject;
+	}
+	
+	public String getMessage() {
+		StringBuffer sb = new StringBuffer();
+		
+		switch(errorType){
+		case ERROR_UNEXPECTED_CHAR:
+			sb.append("Unexpected character (").append(unexpectedObject).append(") at position ").append(position).append(".");
+			break;
+		case ERROR_UNEXPECTED_TOKEN:
+			sb.append("Unexpected token ").append(unexpectedObject).append(" at position ").append(position).append(".");
+			break;
+		case ERROR_UNEXPECTED_EXCEPTION:
+			sb.append("Unexpected exception at position ").append(position).append(": ").append(unexpectedObject);
+			break;
+		default:
+			sb.append("Unkown error at position ").append(position).append(".");
+			break;
+		}
+		return sb.toString();
+	}
+}