svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.db / org.gvsig.fmap.dal.db.mdb / src / main / java / org / gvsig / fmap / dal / store / mdb / expressionbuilderformatter / Constant.java @ 44951
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package org.gvsig.fmap.dal.store.mdb.expressionbuilderformatter; |
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import java.text.MessageFormat; |
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import org.gvsig.expressionevaluator.ExpressionBuilder; |
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import org.gvsig.expressionevaluator.ExpressionBuilder.Value; |
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import org.gvsig.expressionevaluator.Formatter; |
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import org.gvsig.expressionevaluator.GeometryExpressionBuilder; |
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import static org.gvsig.expressionevaluator.GeometryExpressionBuilderHelper.GeometrySupportType.EWKB; |
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import static org.gvsig.expressionevaluator.GeometryExpressionBuilderHelper.GeometrySupportType.WKB; |
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import static org.gvsig.expressionevaluator.GeometryExpressionBuilderHelper.GeometrySupportType.WKT; |
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import org.gvsig.fmap.dal.SQLBuilder; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryUtils; |
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/**
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*
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* @author jjdelcerro
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*/
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public class Constant implements Formatter<Value> { |
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private final SQLBuilder sqlbuilder; |
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private final Formatter<Value> formatter; |
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public Constant(SQLBuilder sqlbuilder, Formatter<Value> formatter) { |
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this.sqlbuilder = sqlbuilder;
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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.Constant) { |
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Object x = ((ExpressionBuilder.Constant)value).value();
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if( x instanceof byte[] ) { |
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return true; |
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} |
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if( x instanceof Geometry ) { |
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return true; |
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} |
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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 constant) { |
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Object x = ((ExpressionBuilder.Constant)constant).value();
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GeometryExpressionBuilder builder = this.sqlbuilder.expression();
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if( x instanceof byte[] ) { |
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return builder.bytearray_0x((byte[]) x); |
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} |
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if( x instanceof Geometry ) { |
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Geometry geometry = (Geometry) x; |
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switch (builder.geometry_support_type()) {
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case EWKB:
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return builder.bytearray_x(GeometryUtils.toEWKB(geometry));
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case WKB:
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return builder.bytearray_x(GeometryUtils.toWKB(geometry));
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case WKT:
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default:
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return builder.string(GeometryUtils.toWKT(geometry));
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} |
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} |
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return null; |
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} |
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} |