fix: use appropriate methods to convert the numbers in XML

io/plugins/eu.esdihumboldt.hale.io.gml.test/src/data/numbers/numbers.xsd

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<schema xmlns="http://www.w3.org/2001/XMLSchema"  xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:hale="eu:esdihumboldt:hale:test" xmlns:gml="http://www.opengis.net/gml/3.2" elementFormDefault="qualified" targetNamespace="eu:esdihumboldt:hale:test">
+
+  <import namespace="http://www.opengis.net/gml/3.2" schemaLocation="http://schemas.opengis.net/gml/3.2.1/gml.xsd"/>
+
+  <element name="PrimitiveTest" substitutionGroup="gml:AbstractFeature" type="hale:PrimitiveTestType" />
+
+  <complexType name="PrimitiveTestType">
+    <complexContent>
+      <extension base="gml:AbstractFeatureType">
+        <sequence>
+			<xs:element name="decimalNumber" type="xs:decimal" minOccurs="0"/>
+			<xs:element name="doubleNumber" type="xs:double" minOccurs="0"/>
+			<xs:element name="integerNumber" type="xs:int" minOccurs="0"/>
+			<xs:element name="longNumber" type="xs:long" minOccurs="0"/>
+			<xs:element name="floatNumber" type="xs:float" minOccurs="0"/>
+			<xs:element name="shortNumber" type="xs:short" minOccurs="0"/>
+
+			<element name="doubleSimpleNumber" type="double" minOccurs="0"/>
+        </sequence>
+      </extension>
+    </complexContent>
+  </complexType>
+
+
+</schema>

io/plugins/eu.esdihumboldt.hale.io.gml.test/src/data/shiporder/shiporder.xml

@@ -14,11 +14,16 @@ xsi:schemaLocation="http://www.example.com shiporder.xsd">
     <title>Empire Burlesque</title>
     <note>Special Edition</note>
     <quantity>1</quantity>
-    <price>10.90</price>
+    <price>0E-11</price>
   </item>
   <item>
     <title>Hide your heart</title>
     <quantity>1</quantity>
     <price>9.90</price>
+    <priceInteger>123</priceInteger>
+    <priceDouble>12.3</priceDouble>
+    <priceFloat>123.456</priceFloat>
+    <priceLong>1234567890123456789</priceLong>
+    <priceShort>12345</priceShort>
   </item>
 </shiporder>

io/plugins/eu.esdihumboldt.hale.io.gml.test/src/data/shiporder/shiporder.xsd

@@ -22,6 +22,11 @@
             <xs:element name="note" type="xs:string" minOccurs="0"/>
             <xs:element name="quantity" type="xs:positiveInteger"/>
             <xs:element name="price" type="xs:decimal"/>
+            <xs:element name="priceInteger" type="xs:int"/>
+            <xs:element name="priceDouble" type="xs:double"/>
+            <xs:element name="priceFloat" type="xs:float"/>
+            <xs:element name="priceLong" type="xs:long"/>
+            <xs:element name="priceShort" type="xs:short"/>
           </xs:sequence>
         </xs:complexType>
       </xs:element>

io/plugins/eu.esdihumboldt.hale.io.gml.test/src/eu/esdihumboldt/hale/io/gml/reader/internal/GmlInstanceCollectionTest.java

@@ -22,6 +22,7 @@
 import static org.junit.Assert.assertTrue;
 
 import java.io.IOException;
+import java.math.BigDecimal;
 import java.net.URI;
 import java.util.Collection;
 
@@ -160,10 +161,12 @@ public void testLoadShiporder() throws Exception {
 			Instance instance = it.next();
 			assertNotNull(instance);
 
-			Object[] orderid = instance.getProperty(new QName("orderid")); // attribute
-																			// form
-																			// not
-																			// qualified
+			Object[] orderid = instance.getProperty(new QName("orderid"));
+			// attribute
+			// form
+			// not
+			// qualified
+
 			assertNotNull(orderid);
 			assertEquals(1, orderid.length);
 			assertEquals("889923", orderid[0]);
@@ -213,6 +216,11 @@ public void testLoadShiporder() throws Exception {
 			assertEquals(1, title1.length);
 			assertEquals("Empire Burlesque", title1[0]);
 
+			Object[] price1 = ((Instance) item1).getProperty(new QName(ns, "price"));
+			assertNotNull(price1);
+			BigDecimal bigDecimal = new BigDecimal("0.00000000000");
+			assertEquals(bigDecimal, price1[0]);
+
 			// item 2
 			Object item2 = items[1];
 			assertTrue(item2 instanceof Instance);
@@ -222,6 +230,35 @@ public void testLoadShiporder() throws Exception {
 			assertEquals(1, title2.length);
 			assertEquals("Hide your heart", title2[0]);
 
+			Object[] price2 = ((Instance) item2).getProperty(new QName(ns, "price"));
+			assertNotNull(price2);
+			bigDecimal = new BigDecimal("9.90");
+			assertEquals(bigDecimal, price2[0]);
+
+			Object[] priceInteger = ((Instance) item2).getProperty(new QName(ns, "priceInteger"));
+			int intNumber = 123;
+			assertEquals(intNumber, priceInteger[0]);
+
+			// Double
+			Object[] priceDouble = ((Instance) item2).getProperty(new QName(ns, "priceDouble"));
+			double doubleNumber = 12.3;
+			assertEquals(doubleNumber, priceDouble[0]);
+
+			// Float
+			Object[] priceFloat = ((Instance) item2).getProperty(new QName(ns, "priceFloat"));
+			float floatNumber = 123.456F;
+			assertEquals(floatNumber, priceFloat[0]);
+
+			// Long
+			Object[] priceLong = ((Instance) item2).getProperty(new QName(ns, "priceLong"));
+			long longNumber = 1234567890123456789L;
+			assertEquals(longNumber, priceLong[0]);
+
+			// short
+			Object[] priceShort = ((Instance) item2).getProperty(new QName(ns, "priceShort"));
+			short shortNumber = 12345;
+			assertEquals(shortNumber, priceShort[0]);
+
 			// only one object
 			assertFalse(it.hasNext());
 		} finally {

io/plugins/eu.esdihumboldt.hale.io.gml.test/src/eu/esdihumboldt/hale/io/gml/writer/internal/StreamGmlWriter2Test.groovy

@@ -381,4 +381,151 @@ class StreamGmlWriter2Test {
 
 		result
 	}
+
+	@Test
+	void testNumbers() throws Exception {
+		/**test DOUBLE numbers*/
+		testNumber("doubleNumber", 12345.123456789, null)
+		testNumber("doubleNumber", 12345.123456789, "12345.123456789")
+		double doubleNumber = 123456789.123456789
+		double expected = java.lang.Double.parseDouble(doubleNumber.toString())
+		testNumber("doubleSimpleNumber", doubleNumber, expected)
+		testNumber("doubleSimpleNumber", doubleNumber, expected.toString())
+		testFloatingPointNumber(doubleNumber, "doubleNumber")
+
+		/**test INT, SHORT numbers*/
+		testNumber("integerNumber", 12345, null)
+		testNumber("integerNumber", 12345, "12345")
+		testNumber("shortNumber", 12345 as short, null)
+		testNumber("shortNumber", 12345 as short, "12345")
+
+		float smallDecimal = 0.12345F
+		float largeDecimal = 12345.6789F
+		float verySmall = 0.0000001F
+		float veryLarge = 12345678.9F
+		float negative = -98765.4321F
+		float scientific = 1.23E4F
+		float maxFloat = Float.MAX_VALUE
+		float minFloat = Float.MIN_VALUE
+
+		// for Float and Double we are expecting to use using scientific notation
+		testFloatingPointNumber(smallDecimal, "floatNumber")
+		testNumber("floatNumber", smallDecimal, "0.12345")
+		testFloatingPointNumber(largeDecimal, "floatNumber")
+		testNumber("floatNumber", largeDecimal, "12345.679")
+		testFloatingPointNumber(verySmall, "floatNumber")
+		testNumber("floatNumber", verySmall, "1.0E-7")
+		testFloatingPointNumber(veryLarge, "floatNumber")
+		testNumber("floatNumber", veryLarge, "1.2345679E7")
+		testFloatingPointNumber(negative, "floatNumber")
+		testFloatingPointNumber(scientific, "floatNumber")
+		testFloatingPointNumber(maxFloat, "floatNumber")
+		testFloatingPointNumber(minFloat, "floatNumber")
+
+		/**test LONG numbers*/
+		long smallPositive = 12345L
+		long largePositive = 1234567890123456789L
+		long smallNegative = -12345L
+		long largeNegative = -1234567890123456789L
+		long maxLong = Long.MAX_VALUE
+		long minLong = Long.MIN_VALUE
+		long zero = 0L
+		long powerOfTwo = 1024L
+		long negativePowerOfTwo = -1024L
+		long nearMaxLong = 9223372036854775806L
+		long nearMinLong = -9223372036854775807L
+
+		testNumber("longNumber", smallPositive, "12345")
+		testNumber("longNumber", largePositive, "1234567890123456789")
+		testNumber("longNumber", smallNegative, null)
+		testNumber("longNumber", largeNegative, null)
+		testNumber("longNumber", maxLong, null)
+		testNumber("longNumber", minLong, null)
+		testNumber("longNumber", zero, null)
+		testNumber("longNumber", powerOfTwo, null)
+		testNumber("longNumber", negativePowerOfTwo, null)
+		testNumber("longNumber", nearMaxLong, null)
+		testNumber("longNumber", nearMinLong, null)
+
+		/**test DECIMAL numbers*/
+		testNumber("decimalNumber", new BigDecimal("1234567890.123456789"), null)
+		testNumber("decimalNumber", new BigDecimal(doubleNumber), null)
+
+		doubleNumber = 1.23456789123456789E8
+		testNumber("decimalNumber", new BigDecimal(doubleNumber), null)
+
+		String numberAsString = "1.23456789123456789E8"
+		testNumber("decimalNumber", new BigDecimal(numberAsString), null)
+		testNumber("decimalNumber", new BigDecimal(numberAsString), "123456789.123456789")
+	}
+
+	void testNumber(String elementName, number, expected) throws Exception {
+		def schema = loadSchema(getClass().getResource("/data/numbers/numbers.xsd").toURI())
+
+		def instance = new InstanceBuilder(types: schema).PrimitiveTestType {
+			"$elementName"(number)
+		}
+
+		def writer = new GmlInstanceWriter()
+		File outFile = writeFile(instance, schema, writer)
+		def xmlFile = outFile.getAbsolutePath()
+		def xml = new XmlSlurper().parse(xmlFile)
+
+		String actualText = xml.featureMember.PrimitiveTest."$elementName".text()
+		if (expected != null) {
+			if (expected instanceof String) {
+				assertEquals(expected.toString(), xml.featureMember.PrimitiveTest."$elementName".text())
+			} else {
+				compareValues(expected, actualText)
+			}
+		} else {
+			compareValues(number, actualText)
+		}
+
+
+		if (DEL_TEMP_FILES) {
+			outFile.delete()
+		}
+	}
+
+	@CompileStatic
+	private File writeFile(Instance instance, Schema schema, InstanceWriter writer) {
+		writer.setParameter(GmlInstanceWriter.PARAM_PRETTY_PRINT, Value.of((Boolean)true))
+		writer.setParameter(GeoInstanceWriter.PARAM_UNIFY_WINDING_ORDER, Value.simple('noChanges'))
+		writer.setInstances(new DefaultInstanceCollection([instance]))
+		DefaultSchemaSpace schemaSpace = new DefaultSchemaSpace()
+		schemaSpace.addSchema(schema)
+		writer.setTargetSchema(schemaSpace)
+		File outFile = File.createTempFile('gml-writer', '.gml')
+		writer.setTarget(new FileIOSupplier(outFile))
+
+		IOReport report = writer.execute(null);
+		List<? extends Locatable> validationSchemas = writer.getValidationSchemas()
+
+		return outFile;
+	}
+
+	void testFloatingPointNumber(floatNumber, type) {
+		def expected = java.lang.Double.parseDouble(floatNumber.toString())
+		println expected
+		testNumber(type, floatNumber, expected)
+	}
+
+	void compareValues(expected, actualText) {
+		if (expected instanceof BigDecimal) {
+			assertEquals(((BigDecimal) expected), new BigDecimal(actualText))
+		} else if (expected instanceof Double || expected instanceof Float) {
+			assertEquals(expected.doubleValue(), new Double(actualText).doubleValue(), 0.0000001)
+		} else if (expected instanceof Long) {
+			assertEquals(expected.longValue(), new Long(actualText).longValue())
+		} else if (expected instanceof Integer) {
+			assertEquals(expected.intValue(), (new Integer(actualText)).intValue())
+		} else if (expected instanceof BigInteger) {
+			assertEquals(expected, new BigInteger(actualText))
+		} else if (expected instanceof Short) {
+			assertEquals(expected.shortValue(), (new Short(actualText)).shortValue())
+		} else {
+			assertEquals(expected, actual)
+		}
+	}
 }

io/plugins/eu.esdihumboldt.hale.io.gml/plugin.xml

@@ -1533,6 +1533,42 @@
       <converter
             class="eu.esdihumboldt.hale.io.gml.internal.simpletype.converters.XmlTimeToTimestamp">
       </converter>
+      <converter
+            class="eu.esdihumboldt.hale.io.gml.internal.simpletype.converters.XmlIntegerToInteger">
+      </converter>
+      <converter
+            class="eu.esdihumboldt.hale.io.gml.internal.simpletype.converters.IntegerToXmlInteger">
+      </converter>
+      <converter
+            class="eu.esdihumboldt.hale.io.gml.internal.simpletype.converters.FloatToXmlFloat">
+      </converter>
+      <converter
+            class="eu.esdihumboldt.hale.io.gml.internal.simpletype.converters.XmlFloatToFloat">
+      </converter>
+      <converter
+            class="eu.esdihumboldt.hale.io.gml.internal.simpletype.converters.LongToXmlLong">
+      </converter>
+      <converter
+            class="eu.esdihumboldt.hale.io.gml.internal.simpletype.converters.XmlLongToLong">
+      </converter>
+      <converter
+            class="eu.esdihumboldt.hale.io.gml.internal.simpletype.converters.DoubleToXmlDouble">
+      </converter>
+      <converter
+            class="eu.esdihumboldt.hale.io.gml.internal.simpletype.converters.XmlDoubleToDouble">
+      </converter>
+      <converter
+            class="eu.esdihumboldt.hale.io.gml.internal.simpletype.converters.BigDecimalToXmlDecimal">
+      </converter>
+      <converter
+            class="eu.esdihumboldt.hale.io.gml.internal.simpletype.converters.XmlDecimalToBigDecimal">
+      </converter>
+      <converter
+            class="eu.esdihumboldt.hale.io.gml.internal.simpletype.converters.BigIntegerToXmlInteger">
+      </converter>
+      <converter
+            class="eu.esdihumboldt.hale.io.gml.internal.simpletype.converters.XmlIntegerToBigInteger">
+      </converter>
    </extension>
    <extension
          point="eu.esdihumboldt.util.groovy.sandbox">

io/plugins/eu.esdihumboldt.hale.io.gml/src/eu/esdihumboldt/hale/io/gml/internal/simpletype/SimpleTypeUtil.java

@@ -29,6 +29,13 @@
 import org.apache.xmlbeans.XmlAnySimpleType;
 import org.apache.xmlbeans.XmlDate;
 import org.apache.xmlbeans.XmlDateTime;
+import org.apache.xmlbeans.XmlDecimal;
+import org.apache.xmlbeans.XmlDouble;
+import org.apache.xmlbeans.XmlFloat;
+import org.apache.xmlbeans.XmlInt;
+import org.apache.xmlbeans.XmlInteger;
+import org.apache.xmlbeans.XmlLong;
+import org.apache.xmlbeans.XmlShort;
 import org.apache.xmlbeans.XmlTime;
 import org.springframework.core.convert.ConversionException;
 import org.springframework.core.convert.ConversionService;
@@ -62,6 +69,14 @@ public class SimpleTypeUtil {
 		TYPE_MAP.put("dateTime", XmlDateTime.class); //$NON-NLS-1$
 		TYPE_MAP.put("date", XmlDate.class); //$NON-NLS-1$
 		TYPE_MAP.put("time", XmlTime.class); //$NON-NLS-1$
+
+		TYPE_MAP.put("decimal", XmlDecimal.class); //$NON-NLS-1$
+		TYPE_MAP.put("double", XmlDouble.class); //$NON-NLS-1$
+		TYPE_MAP.put("float", XmlFloat.class); //$NON-NLS-1$
+		TYPE_MAP.put("int", XmlInt.class); //$NON-NLS-1$
+		TYPE_MAP.put("integer", XmlInteger.class); //$NON-NLS-1$
+		TYPE_MAP.put("long", XmlLong.class); //$NON-NLS-1$
+		TYPE_MAP.put("short", XmlShort.class); //$NON-NLS-1$
 	}
 
 	/**
@@ -110,8 +125,8 @@ else if (simpleTypeValue instanceof XmlDateTime) {
 
 					xmlDateTime.setGDateValue(gdate);
 				}
-
-				if (simpleTypeValue != null) {
+				else if (simpleTypeValue != null && simpleTypeValue instanceof XmlAnySimpleType) {
+					// Numbers should be handled here
 					return simpleTypeValue.getStringValue();
 				}
 			} catch (ConversionException e) {