| /* ==================================================================== |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You 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 org.apache.poi.ss.formula.eval; |
| |
| import org.apache.poi.ss.formula.ptg.Ptg; |
| import org.apache.poi.ss.formula.ptg.StringPtg; |
| |
| /** |
| * @author Amol S. Deshmukh < amolweb at ya hoo dot com > |
| */ |
| public final class StringEval implements StringValueEval { |
| |
| public static final StringEval EMPTY_INSTANCE = new StringEval(""); |
| |
| private final String _value; |
| |
| public StringEval(Ptg ptg) { |
| this(((StringPtg) ptg).getValue()); |
| } |
| |
| public StringEval(String value) { |
| if (value == null) { |
| throw new IllegalArgumentException("value must not be null"); |
| } |
| _value = value; |
| } |
| |
| public String getStringValue() { |
| return _value; |
| } |
| |
| public String toString() { |
| StringBuilder sb = new StringBuilder(64); |
| sb.append(getClass().getName()).append(" ["); |
| sb.append(_value); |
| sb.append("]"); |
| return sb.toString(); |
| } |
| } |