root / tags / v1_1_Build_1015 / extensions / extGeoProcessing / src / com / iver / cit / gvsig / geoprocess / core / fmap / XTypes.java @ 13679
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/*
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* Created on 07-feb-2006
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*
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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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/* CVS MESSAGES:
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*
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* $Id: XTypes.java 13679 2007-09-13 14:33:59Z $
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* $Log$
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* Revision 1.1.4.1 2007-07-12 16:54:35 azabala
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* bug solved when try to do a one to many spatial join with layers without numeric fields
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*
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* Revision 1.1 2006/05/24 21:12:16 azabala
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* primera version en cvs despues de refactoring orientado a crear un framework extensible de geoprocessing
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*
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* Revision 1.4 2006/02/19 20:56:07 azabala
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* *** empty log message ***
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*
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* Revision 1.3 2006/02/17 16:34:00 azabala
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* *** empty log message ***
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*
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* Revision 1.2 2006/02/13 18:37:41 azabala
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* *** empty log message ***
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*
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* Revision 1.1 2006/02/09 15:59:48 azabala
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* First version in CVS
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*
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*
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*/
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package com.iver.cit.gvsig.geoprocess.core.fmap; |
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import java.sql.Types; |
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import java.util.ArrayList; |
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import java.util.Date; |
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import com.hardcode.gdbms.engine.values.BooleanValue; |
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import com.hardcode.gdbms.engine.values.DateValue; |
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import com.hardcode.gdbms.engine.values.DoubleValue; |
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import com.hardcode.gdbms.engine.values.FloatValue; |
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import com.hardcode.gdbms.engine.values.IntValue; |
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import com.hardcode.gdbms.engine.values.LongValue; |
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import com.hardcode.gdbms.engine.values.StringValue; |
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import com.hardcode.gdbms.engine.values.Value; |
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import com.hardcode.gdbms.engine.values.ValueFactory; |
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import com.iver.cit.gvsig.fmap.DriverException; |
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import com.iver.cit.gvsig.fmap.layers.FLyrVect; |
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import com.iver.cit.gvsig.fmap.layers.SelectableDataSource; |
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/**
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* This is a similar try to com.iver.cit.gvsig.jdbc_spatial.XTypes to do a Types
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* management in GvSig
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*
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* @author azabala
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*
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*/
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public abstract class XTypes { |
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// Geometry types
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public final static int SHAPE_NULL = 0; |
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public final static int POINT = 1; |
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public final static int LINE = 2; |
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public final static int POLYGON = 4; |
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public final static int TEXT = 8; |
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public final static int MULTI = 16; |
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public final static int MULTIPOINT = 32; |
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public final static int CIRCLE = 64; |
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public final static int ARC = 128; |
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public final static int ELLIPSE = 256; |
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public final static int Z = 512; |
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public static final int BIT = Types.BIT; |
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public static final int TINYINT = Types.TINYINT; |
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public static final int SMALLINT = Types.SMALLINT; |
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public static final int INTEGER = Types.INTEGER; |
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public static final int BIGINT = Types.BIGINT; |
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public static final int FLOAT = Types.FLOAT; |
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public static final int REAL = Types.REAL; |
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public static final int DOUBLE = Types.DOUBLE; |
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public static final int NUMERIC = Types.NUMERIC; |
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public static final int DECIMAL = Types.DECIMAL; |
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public static final int CHAR = Types.CHAR; |
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public static final int VARCHAR = Types.VARCHAR; |
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public static final int LONGVARCHAR = Types.LONGVARCHAR; |
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public static final int DATE = Types.DATE; |
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public static final int TIME = Types.TIME; |
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public static final int TIMESTAMP = Types.TIMESTAMP; |
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public static final int BINARY = Types.BINARY; |
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public static final int VARBINARY = Types.VARBINARY; |
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public static final int LONGVARBINARY = Types.LONGVARBINARY; |
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public static final int NULL = Types.NULL; |
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public static final int OTHER = Types.OTHER; |
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public static final int JAVA_OBJECT = Types.JAVA_OBJECT; |
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public static final int DISTINCT = Types.DISTINCT; |
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public static final int STRUCT = Types.STRUCT; |
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public static final int ARRAY = Types.ARRAY; |
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public static final int BLOB = Types.BLOB; |
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public static final int CLOB = Types.CLOB; |
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public static final int REF = Types.REF; |
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public static final int DATALINK = Types.DATALINK; |
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public static final int BOOLEAN = Types.BOOLEAN; |
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public static boolean isNumeric(int fieldType) { |
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switch (fieldType) {
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case DOUBLE:
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case FLOAT:
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case INTEGER:
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case SMALLINT:
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case BIGINT:
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case NUMERIC:
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case REAL:
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case TINYINT:
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case DECIMAL:
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return true; |
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} |
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return false; |
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} |
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/**
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* Convert an int data type in a text sql type. Is abstract because it will
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* be strongly dependant of sql rdbms.
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*
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* @param fieldType
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* @return
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*/
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public abstract String fieldTypeToString(int fieldType); |
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public static Object getObject(Value value, int fieldType){ |
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Object solution = null; |
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switch (fieldType) {
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case Types.VARCHAR: |
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StringValue str = (StringValue) value; |
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solution = str.getValue(); |
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break;
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case Types.FLOAT: |
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FloatValue fval = (FloatValue) value; |
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solution = new Float(fval.floatValue()); |
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break;
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case Types.DOUBLE: |
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DoubleValue dval = (DoubleValue)value; |
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solution = new Double(dval.doubleValue()); |
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break;
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case Types.INTEGER: |
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IntValue intval = (IntValue)value; |
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solution = new Integer(intval.intValue()); |
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break;
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case Types.BIGINT: |
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LongValue lval = (LongValue) value; |
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solution = new Long(lval.longValue()); |
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break;
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case Types.BIT: |
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BooleanValue bval = (BooleanValue) value; |
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solution = new Boolean(bval.getValue()); |
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break;
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case Types.DATE: |
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DateValue dtval = (DateValue) value; |
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solution = dtval.getValue(); |
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break;
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} |
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return solution;
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} |
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/**
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* Returns a Value from its data type (fieldType) and an Object with its
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* value
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*
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* TODO Move to ValueFactory
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*
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* @param plainObject
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* @param fieldType
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* @return
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*/
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public static Value getValue(Object object, int fieldType) { |
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if(object == null) |
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return ValueFactory.createNullValue();
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Value solution = null;
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switch (fieldType) {
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case Types.VARCHAR: |
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String str = (String) object; |
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solution = ValueFactory.createValue(str); |
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break;
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case Types.FLOAT: |
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float fval = ((Float) object).floatValue(); |
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solution = ValueFactory.createValue(fval); |
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break;
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case Types.DOUBLE: |
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double dval = ((Double) object).doubleValue(); |
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solution = ValueFactory.createValue(dval); |
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break;
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case Types.INTEGER: |
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int ival = ((Integer) object).intValue(); |
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solution = ValueFactory.createValue(ival); |
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break;
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case Types.BIGINT: |
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long lval = ((Long) object).longValue(); |
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solution = ValueFactory.createValue(lval); |
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break;
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case Types.BIT: |
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boolean bval = ((Boolean) object).booleanValue(); |
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solution = ValueFactory.createValue(bval); |
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break;
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case Types.DATE: |
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Date dtval = (Date) object; |
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solution = ValueFactory.createValue(dtval); |
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break;
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default:
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solution = ValueFactory.createNullValue(); |
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} |
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return solution;
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} |
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public static String[] getNumericFieldsNames(FLyrVect layer) { |
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String[] solution = null; |
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if(layer == null) |
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return null; |
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ArrayList list = new ArrayList(); |
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try {
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SelectableDataSource recordset = layer.getRecordset(); |
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int numFields = recordset.getFieldCount();
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for (int i = 0; i < numFields; i++) { |
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if (XTypes.isNumeric(recordset.getFieldType(i))) {
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list.add(recordset.getFieldName(i)); |
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} |
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}// for
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} catch (com.hardcode.gdbms.engine.data.driver.DriverException e) {
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return null; |
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} catch (DriverException e) {
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return null; |
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} |
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solution = new String[list.size()]; |
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list.toArray(solution); |
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return solution;
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} |
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} |