svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.plugin / org.gvsig.sqlite / org.gvsig.sqlite.provider / src / main / java / org / gvsig / sqlite / dal / expressionbuilderformatter / Exists.java @ 47580
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2020 gvSIG Association.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.sqlite.dal.expressionbuilderformatter; |
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import org.apache.commons.lang3.StringUtils; |
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import org.gvsig.expressionevaluator.ExpressionBuilder; |
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import org.gvsig.expressionevaluator.ExpressionBuilder.Function; |
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import org.gvsig.expressionevaluator.ExpressionBuilder.Value; |
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import org.gvsig.expressionevaluator.Formatter; |
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import static org.gvsig.fmap.dal.DataManager.FUNCTION_EXISTS; |
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/**
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*
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* @author jjdelcerro
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*/
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public class Exists implements Formatter<Value> { |
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private final Formatter<Value> formatter; |
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public Exists(Formatter<Value> formatter) { |
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this.formatter = formatter;
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} |
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@Override
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public boolean canApply(ExpressionBuilder.Value value) { |
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if (value instanceof ExpressionBuilder.Function) { |
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return StringUtils.equalsIgnoreCase(FUNCTION_EXISTS, ((Function) value).name());
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} |
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return false; |
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} |
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@Override
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public String format(Value function0) { |
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Function function = (Function) function0; |
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Value exp = function.parameters().get(0);
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return "EXISTS"+exp.toString(formatter); |
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} |
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} |