svn-gvsig-desktop / tags / v1_0_2_Build_892 / applications / appgvSIG / src / com / iver / cit / gvsig / gui / filter / TestFilterExpressionFromWhereIsEmpty_Method.java @ 10278
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package com.iver.cit.gvsig.gui.filter; |
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import junit.framework.TestCase; |
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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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 2
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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/**
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* @author Pablo Piqueras Bartolom? (p_queras@hotmail.com)
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*/
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public class TestFilterExpressionFromWhereIsEmpty_Method extends TestCase { |
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/*
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* (non-Javadoc)
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* @see junit.framework.TestCase#setUp()
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*/
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protected void setUp() throws Exception { |
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super.setUp();
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} |
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/*
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* (non-Javadoc)
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* @see junit.framework.TestCase#tearDown()
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*/
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protected void tearDown() throws Exception { |
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super.tearDown();
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} |
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/**
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* Test 1 (valid)
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*/
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public void test1() { |
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String expression = new String("select * from 'gdbms144426c_10fc90fa1aa__7c18' where ;"); |
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System.out.println("? Es vac?o el filtro en: " + expression + " ? "); |
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if (this.filterExpressionFromWhereIsEmpty(expression)) |
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System.out.println("Si."); |
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else
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System.out.println("No."); |
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} |
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/**
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* Test 2 (invalid)
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*/
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public void test2() { |
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String expression = new String("select * from 'gdbms158fd70_10fc92ee61e__7c18' where layer < '61';"); |
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System.out.println("? Es vac?o el filtro en: " + expression + " ? "); |
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if (this.filterExpressionFromWhereIsEmpty(expression)) |
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System.out.println("Si."); |
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else
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System.out.println("No."); |
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} |
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/**
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* Returns true if the WHERE subconsultation of the filterExpression is empty ("")
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*
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* @param expression An string
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* @return A boolean value
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*/
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private boolean filterExpressionFromWhereIsEmpty(String expression) { |
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String subExpression = expression.trim();
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int pos;
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// Remove last ';' if exists
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if (subExpression.charAt(subExpression.length() -1) == ';') |
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subExpression = subExpression.substring(0, subExpression.length() -1).trim(); |
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// If there is no 'where' clause
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if ((pos = subExpression.indexOf("where")) == -1) |
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return false; |
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// If there is no subexpression in the WHERE clause -> true
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subExpression = subExpression.substring(pos + 5, subExpression.length()).trim(); // + 5 is the length of 'where' |
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if ( subExpression.length() == 0 ) |
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return true; |
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else
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return false; |
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} |
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} |