root / org.gvsig.expressionfield / trunk / org.gvsig.expressionfield / src / main / java / org / gvsig / expressionfield / project / documents / table / operators / Length.java @ 24
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/*******************************************************************************
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*
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2013 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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*******************************************************************************/
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package org.gvsig.expressionfield.project.documents.table.operators; |
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import org.apache.bsf.BSFException; |
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import org.apache.bsf.BSFManager; |
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import org.gvsig.andami.PluginServices; |
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import org.gvsig.expressionfield.ExpressionFieldExtension; |
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import org.gvsig.expressionfield.project.documents.table.AbstractOperator; |
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import org.gvsig.expressionfield.project.documents.table.IOperator; |
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/**
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* @author Vicente Caballero Navarro
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*/
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public class Length extends AbstractOperator{ |
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public String addText(String s) { |
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return toString()+"("+s+")"; |
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} |
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public String toString() { |
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return "length"; |
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} |
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public void eval(BSFManager interpreter) throws BSFException { |
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// interpreter.eval(ExpressionFieldExtension.BEANSHELL,null,-1,-1,"int length(String value){return value.length();};");
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interpreter.exec(ExpressionFieldExtension.JYTHON,null,-1,-1,"def length(value):\n" + |
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" return len(value)");
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} |
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public boolean isEnable() { |
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return (getType()==IOperator.STRING);
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} |
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public String getDescription() { |
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return PluginServices.getText(this, "parameter") + ": " + |
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PluginServices.getText(this, "string_value") + "\n" + |
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PluginServices.getText(this, "returns") + ": " + |
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PluginServices.getText(this, "numeric_value") + "\n" + |
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PluginServices.getText(this, "description") + ": " + |
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"Returns the length of string parameter.";
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} |
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} |