/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) Under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for Additional information regarding copyright ownership.
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The ASF licenses this file to You Under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed Under the License is distributed on an "AS Is" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations Under the License.
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==================================================================== */
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namespace HH.WMS.Utils.NPOI.SS.Formula.Constant
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{
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using System;
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using System.Text;
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using HH.WMS.Utils.NPOI.HSSF.UserModel;
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/// <summary>
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/// Represents a constant error code value as encoded in a constant values array.
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/// This class is a type-safe wrapper for a 16-bit int value performing a similar job to
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/// <c>ErrorEval</c>
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/// </summary>
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///<remarks> @author Josh Micich</remarks>
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public class ErrorConstant {
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private static ErrorConstant NULL = new ErrorConstant(HSSFErrorConstants.ERROR_NULL);
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private static ErrorConstant DIV_0 = new ErrorConstant(HSSFErrorConstants.ERROR_DIV_0);
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private static ErrorConstant VALUE = new ErrorConstant(HSSFErrorConstants.ERROR_VALUE);
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private static ErrorConstant REF = new ErrorConstant(HSSFErrorConstants.ERROR_REF);
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private static ErrorConstant NAME = new ErrorConstant(HSSFErrorConstants.ERROR_NAME);
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private static ErrorConstant NUM = new ErrorConstant(HSSFErrorConstants.ERROR_NUM);
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private static ErrorConstant NA = new ErrorConstant(HSSFErrorConstants.ERROR_NA);
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private int _errorCode;
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/// <summary>
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/// Initializes a new instance of the <see cref="ErrorConstant"/> class.
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/// </summary>
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/// <param name="errorCode">The error code.</param>
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private ErrorConstant(int errorCode) {
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_errorCode = errorCode;
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}
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/// <summary>
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/// Gets the error code.
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/// </summary>
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/// <value>The error code.</value>
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public int ErrorCode {
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get { return _errorCode; }
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}
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/// <summary>
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/// Gets the text.
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/// </summary>
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/// <value>The text.</value>
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public String Text {
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get
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{
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if (HSSFErrorConstants.IsValidCode(_errorCode))
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{
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return HSSFErrorConstants.GetText(_errorCode);
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}
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return "unknown error code (" + _errorCode + ")";
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}
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}
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/// <summary>
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/// Values the of.
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/// </summary>
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/// <param name="errorCode">The error code.</param>
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/// <returns></returns>
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public static ErrorConstant ValueOf(int errorCode) {
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if(errorCode==HSSFErrorConstants.ERROR_NULL)
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{
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return NULL;
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}
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else if (errorCode == HSSFErrorConstants.ERROR_DIV_0)
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{
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return DIV_0;
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}
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else if (errorCode == HSSFErrorConstants.ERROR_VALUE)
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{
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return VALUE;
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}
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else if (errorCode == HSSFErrorConstants.ERROR_REF)
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{
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return REF;
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}
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else if (errorCode == HSSFErrorConstants.ERROR_NAME)
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{
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return NAME;
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}
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else if (errorCode == HSSFErrorConstants.ERROR_NUM)
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{
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return NUM;
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}
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else if (errorCode == HSSFErrorConstants.ERROR_NA)
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{
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return NA;
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}
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Console.Error.WriteLine("Warning - Unexpected error code (" + errorCode + ")");
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return new ErrorConstant(errorCode);
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}
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/// <summary>
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/// Returns a <see cref="T:System.String"/> that represents the current <see cref="T:System.Object"/>.
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/// </summary>
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/// <returns>
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/// A <see cref="T:System.String"/> that represents the current <see cref="T:System.Object"/>.
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/// </returns>
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public override String ToString() {
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StringBuilder sb = new StringBuilder(64);
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sb.Append(GetType().Name).Append(" [");
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sb.Append(Text);
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sb.Append("]");
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return sb.ToString();
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}
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}
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}
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