Fix UDF parsing from the configuration file.

The end of the description of a UDF was not detected when this UDF was followed
by another UDF definition. This was due to an incorrect double quote escape in
the regular expression of a UDF's definition.

buildTAP.xml

@@ -2,7 +2,7 @@
 <!DOCTYPE project>
 <project name="tap" basedir="." default="buildLib">
 	
-	<property name="version" value="2.2" />
+	<property name="version" value="2.3" />
 
 	<property name="srcDir" value="src" />
 	<property name="testDir" value="test" />

src/tap/config/ConfigurableServiceConnection.java

@@ -129,7 +129,7 @@ import uws.service.log.UWSLog.LogLevel;
  * </p>
  *
  * @author Gr&eacute;gory Mantelet (ARI)
- * @version 2.1 (02/2018)
+ * @version 2.3 (03/2018)
  * @since 2.0
  */
 public final class ConfigurableServiceConnection implements ServiceConnection {
@@ -1124,7 +1124,7 @@ public final class ConfigurableServiceConnection implements ServiceConnection {
 
 	private final String REGEXP_CLASSPATH = "\\{[^{}]*\\}";
 
-	private final String REGEXP_DESCRIPTION = "\"((\\\"|[^\"])*)\"";
+	private final String REGEXP_DESCRIPTION = "\"((\\\\\"|[^\"])*)\"";
 
 	private final String REGEXP_UDF = "\\[\\s*(" + REGEXP_SIGNATURE + ")\\s*(,\\s*(" + REGEXP_CLASSPATH + ")?\\s*(,\\s*(" + REGEXP_DESCRIPTION + ")?\\s*)?)?\\]";
 

test/tap/config/TestConfigurableServiceConnection.java

@@ -308,7 +308,7 @@ public class TestConfigurableServiceConnection {
 		udfsWithClassNameProp.setProperty(KEY_UDFS, "[toto(a string)->VARCHAR, {adql.db.TestDBChecker$UDFToto}]");
 
 		udfsWithClassNameAndDescriptionProp = (Properties)validProp.clone();
-		udfsWithClassNameAndDescriptionProp.setProperty(KEY_UDFS, "[toto(a string)->VARCHAR, {adql.db.TestDBChecker$UDFToto}, \"Bla \"bla\".\"]");
+		udfsWithClassNameAndDescriptionProp.setProperty(KEY_UDFS, "[toto(a string)->VARCHAR, {adql.db.TestDBChecker$UDFToto}, \"Bla \\\"bla\\\".\"], [ titi(b REAL) -> double, {adql.db.TestDBChecker$UDFToto}, \"Function titi.\"]");
 
 		udfsWithEmptyOptParamsProp = (Properties)validProp.clone();
 		udfsWithEmptyOptParamsProp.setProperty(KEY_UDFS, "[toto(a string)->VARCHAR,,  	 ]");
@@ -1060,12 +1060,18 @@ public class TestConfigurableServiceConnection {
 		try{
 			ServiceConnection connection = new ConfigurableServiceConnection(udfsWithClassNameAndDescriptionProp);
 			assertNotNull(connection.getUDFs());
-			assertEquals(1, connection.getUDFs().size());
-			FunctionDef def = connection.getUDFs().iterator().next();
+			assertEquals(2, connection.getUDFs().size());
+			Iterator<FunctionDef> itUdfs = connection.getUDFs().iterator();
+			FunctionDef def = itUdfs.next();
 			assertEquals("toto(a VARCHAR) -> VARCHAR", def.toString());
 			assertEquals(UDFToto.class, def.getUDFClass());
-			assertEquals("Bla \"bla\".", def.description);
+			assertEquals("Bla \\\"bla\\\".", def.description);
+			def = itUdfs.next();
+			assertEquals("titi(b REAL) -> DOUBLE", def.toString());
+			assertEquals(UDFToto.class, def.getUDFClass());
+			assertEquals("Function titi.", def.description);
 		}catch(Exception e){
+			e.printStackTrace();
 			fail("This MUST have succeeded because the given list of UDFs contains valid items! \nCaught exception: " + getPertinentMessage(e));
 		}