svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.expressionevaluator / org.gvsig.expressionevaluator.geometry / org.gvsig.expressionevaluator.geometry.lib / org.gvsig.expressionevaluator.geometry.lib.impl / src / test / java / org / gvsig / expresionevaluator / impl / TestCodeFormatter.java @ 44644
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package org.gvsig.expresionevaluator.impl; |
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import java.text.MessageFormat; |
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import junit.framework.TestCase; |
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import org.apache.commons.lang3.StringUtils; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.expressionevaluator.Code; |
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import org.gvsig.expressionevaluator.Code.Caller; |
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import org.gvsig.expressionevaluator.Code.Constant; |
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import org.gvsig.expressionevaluator.Codes; |
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import org.gvsig.expressionevaluator.ExpressionEvaluatorLocator; |
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import org.gvsig.expressionevaluator.ExpressionEvaluatorManager; |
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import org.gvsig.expressionevaluator.Formatter; |
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import org.gvsig.expressionevaluator.GeometryExpressionBuilder; |
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import org.gvsig.expressionevaluator.GeometryExpressionUtils; |
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import org.gvsig.expressionevaluator.LexicalAnalyzer; |
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import org.gvsig.fmap.crs.CRSFactory; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryUtils; |
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import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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import org.gvsig.fmap.geom.primitive.Point; |
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import org.gvsig.tools.library.impl.DefaultLibrariesInitializer; |
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public class TestCodeFormatter extends TestCase { |
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private static class MyFormatter implements Formatter<Code> { |
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private class Formatter_constant_bytearray implements Formatter<Code> { |
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@Override
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public boolean canApply(Code code) { |
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if( code instanceof Constant ) { |
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return ((Constant)code).value() instanceof byte[]; |
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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(Code code) { |
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return builder.bytearray_x((byte[]) ((Constant)code).value()); |
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} |
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} |
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private class Formatter_constant_geometry implements Formatter<Code> { |
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@Override
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public boolean canApply(Code code) { |
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if( code instanceof Constant ) { |
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return ((Constant)code).value() instanceof Geometry; |
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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(Code code) { |
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Geometry geometry = (Geometry) ((Constant)code).value(); |
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return MessageFormat.format( |
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"ST_GeomFromWKB(({0}), ({1}))",
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builder.bytearray_x(GeometryUtils.toWKB(geometry)), |
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String.valueOf(builder.srs_id(geometry.getProjection()))
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); |
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} |
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} |
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private class Formatter_ST_intersects_H2Spatial implements Formatter<Code> { |
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// Need for H2Spatial
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@Override
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public boolean canApply(Code code) { |
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if( code instanceof Caller ) { |
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return StringUtils.equalsIgnoreCase("ST_intersects",((Caller)code).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(Code code) { |
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Codes parameters = ((Caller)code).parameters(); |
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String p1 = parameters.get(0).toString(MyFormatter.this); |
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String p2 = parameters.get(1).toString(MyFormatter.this); |
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String r = MessageFormat.format( |
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"( (({0}) && ({1})) AND ST_Intersects(({0}),({1}) ))",
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p1, |
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p2 |
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); |
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return r;
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} |
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} |
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private class Formatter_ST_intersects_SpatiaLite implements Formatter<Code> { |
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// Need for SpatiaLite
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private final String table; |
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private final String geomcolumn; |
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public Formatter_ST_intersects_SpatiaLite(String table, String geomcolumn) { |
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this.table = table;
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this.geomcolumn = geomcolumn;
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} |
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@Override
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public boolean canApply(Code code) { |
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if( code instanceof Caller ) { |
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return StringUtils.equalsIgnoreCase("ST_intersects2",((Caller)code).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(Code code) { |
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Codes parameters = ((Caller)code).parameters(); |
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String p1 = parameters.get(0).toString(MyFormatter.this); |
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String p2 = parameters.get(1).toString(MyFormatter.this); |
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String r = MessageFormat.format( |
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"(ST_Intersects({0},{1}) AND ROWID IN ( SELECT ROWID FROM SpatialIndex WHERE f_table_name = ''{2}'' AND f_geometry_column = ''{3}'' AND search_frame = \"{2}\".\"{3}\"))",
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p1, |
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p2, |
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table, |
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geomcolumn |
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); |
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return r;
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} |
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} |
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private class Formatter_DECODE implements Formatter<Code> { |
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// Need for SpatiaLite
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@Override
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public boolean canApply(Code code) { |
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if( code instanceof Caller ) { |
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if( StringUtils.equalsIgnoreCase("DECODE",((Caller)code).name()) ) { |
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Codes parameters = ((Caller)code).parameters(); |
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Code code_p1 = parameters.get(0);
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Code code_p2 = parameters.get(1);
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if( code_p1 instanceof Constant && code_p2 instanceof Constant ) { |
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Object p1 = ((Constant)code_p1).value();
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Object p2 = ((Constant)code_p2).value();
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if( p1 instanceof String && p1 instanceof String && |
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StringUtils.equalsIgnoreCase((CharSequence) p2,"hex") ) { |
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return true; |
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} |
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} |
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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(Code code) { |
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Codes parameters = ((Caller)code).parameters(); |
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Object p1 = ((Constant)parameters.get(0)).value(); |
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return "x'"+ (String)p1 + "'"; |
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} |
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} |
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private class Formatter_IFNULL implements Formatter<Code> { |
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// Need for H2Spatial
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@Override
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public boolean canApply(Code code) { |
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if( code instanceof Caller ) { |
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return StringUtils.equalsIgnoreCase("IFNULL",((Caller)code).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(Code code) { |
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Codes parameters = ((Caller)code).parameters(); |
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String p1 = parameters.get(0).toString(MyFormatter.this); |
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String p2 = parameters.get(1).toString(MyFormatter.this); |
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String p3 = parameters.get(2).toString(MyFormatter.this); |
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String r = MessageFormat.format( |
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"NVL2({0}, {1}, {2})",
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p1, |
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p3, |
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p2 |
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); |
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return r;
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} |
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} |
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private class Formatter_ILIKE implements Formatter<Code> { |
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// Need for SpatiaLite
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@Override
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public boolean canApply(Code code) { |
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if( code instanceof Caller ) { |
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return StringUtils.equalsIgnoreCase("ILIKE",((Caller)code).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(Code code) { |
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Codes parameters = ((Caller)code).parameters(); |
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String p1 = parameters.get(0).toString(MyFormatter.this); |
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String p2 = parameters.get(1).toString(MyFormatter.this); |
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String r = MessageFormat.format( |
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"LOWER({0}) LIKE LOWER({1})",
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p1, |
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p2 |
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); |
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return r;
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} |
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} |
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private class Formatter_NOT_IS_NULL implements Formatter<Code> { |
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// Need for H2Spatial
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@Override
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public boolean canApply(Code code) { |
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if( code instanceof Caller ) { |
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return StringUtils.equalsIgnoreCase("NOT_IS_NULL",((Caller)code).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(Code code) { |
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Codes parameters = ((Caller)code).parameters(); |
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String p1 = parameters.get(0).toString(MyFormatter.this); |
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String r = MessageFormat.format( |
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"( ({0}) IS NOT NULL )",
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p1 |
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); |
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return r;
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} |
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} |
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private final Formatter<Code>[] formatters; |
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private final GeometryExpressionBuilder builder; |
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public MyFormatter() {
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this.builder = GeometryExpressionUtils.createExpressionBuilder();
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this.formatters = new Formatter[] { |
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// new Formatter_constant_bytearray(),
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// new Formatter_constant_geometry(),
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new Formatter_IFNULL(),
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new Formatter_NOT_IS_NULL(),
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new Formatter_ST_intersects_H2Spatial(),
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new Formatter_ST_intersects_SpatiaLite("mytable", "the_geom"), |
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new Formatter_ILIKE(),
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new Formatter_DECODE(),
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}; |
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} |
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@Override
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public boolean canApply(Code code) { |
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for (Formatter<Code> formatter : formatters) { |
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if( formatter.canApply(code) ) {
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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(Code code) { |
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for (Formatter<Code> formatter : formatters) { |
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if( formatter.canApply(code) ) {
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return formatter.format(code);
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} |
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} |
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return code.toString(this); |
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} |
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} |
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public TestCodeFormatter(String testName) { |
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super(testName);
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} |
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@Override
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protected void setUp() throws Exception { |
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super.setUp();
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new DefaultLibrariesInitializer().fullInitialize();
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} |
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@Override
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protected void tearDown() throws Exception { |
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super.tearDown();
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} |
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// TODO add test methods here. The name must begin with 'test'. For example:
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// public void testHello() {}
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protected LexicalAnalyzer createLexicalAnalyzer() {
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ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager(); |
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LexicalAnalyzer lexer = manager.createLexicalAnalyzer(); |
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return lexer;
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} |
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protected org.gvsig.expressionevaluator.Compiler createCompiler() {
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ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager(); |
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org.gvsig.expressionevaluator.Compiler compiler = manager.createCompiler(); |
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compiler.setLexicalAnalyzer(createLexicalAnalyzer()); |
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return compiler;
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} |
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private Formatter<Code> formatter() { |
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return new MyFormatter(); |
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} |
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public Code compileExpression(String source) { |
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org.gvsig.expressionevaluator.Compiler compiler = createCompiler(); |
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Code code = compiler.compileExpression(source); |
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return code;
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} |
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public void test3() throws CreateGeometryException { |
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GeometryExpressionBuilder builder = GeometryExpressionUtils.createExpressionBuilder(); |
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IProjection proj = CRSFactory.getCRS("EPSG:4326");
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Point point = GeometryUtils.createPoint(10, 20); |
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builder.set( |
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builder.ST_Intersects( |
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builder.geometry(point,proj), |
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builder.variable("the_geom")
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) |
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); |
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Code code = compileExpression(builder.toString()); |
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assertEquals( |
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"ST_Intersects(ST_GeomFromWKB(DECODE('000000000140240000000000004034000000000000', 'hex'), 4326), \"the_geom\")",
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code.toString() |
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); |
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assertEquals( |
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"( ((ST_GeomFromWKB(x'000000000140240000000000004034000000000000', 4326)) && (\"the_geom\")) AND ST_Intersects((ST_GeomFromWKB(x'000000000140240000000000004034000000000000', 4326)),(\"the_geom\") ))",
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code.toString(formatter()) |
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); |
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} |
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public void test4() throws CreateGeometryException { |
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GeometryExpressionBuilder builder = GeometryExpressionUtils.createExpressionBuilder(); |
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IProjection proj = CRSFactory.getCRS("EPSG:4326");
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Point point = GeometryUtils.createPoint(10, 20); |
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builder.set( |
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builder.function("ST_Intersects2",
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builder.geometry(point,proj), |
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builder.variable("the_geom")
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) |
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); |
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Code code = compileExpression(builder.toString()); |
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assertEquals( |
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"ST_Intersects2(ST_GeomFromWKB(DECODE('000000000140240000000000004034000000000000', 'hex'), 4326), \"the_geom\")",
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code.toString() |
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); |
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assertEquals( |
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"(ST_Intersects(ST_GeomFromWKB(x'000000000140240000000000004034000000000000', 4326),\"the_geom\") AND ROWID IN ( SELECT ROWID FROM SpatialIndex WHERE f_table_name = 'mytable' AND f_geometry_column = 'the_geom' AND search_frame = \"mytable\".\"the_geom\"))",
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code.toString(formatter()) |
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); |
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} |
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|
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} |