support list of possible values

src/main/java/ninja/javafx/smartcsv/validation/Validator.java

@@ -36,6 +36,7 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
+import static java.util.stream.Collectors.joining;
 import static org.apache.commons.validator.GenericValidator.*;
 
 /**
@@ -94,6 +95,7 @@ public class Validator {
                         checkMinLength(columnConfig, value, error);
                         checkInteger(columnConfig, value, error);
                         checkGroovy(column, columnConfig, value, error);
+                        checkValueOf(columnConfig, value, error);
                     }
 
                     if (!error.isEmpty()) {
@@ -146,6 +148,16 @@ public class Validator {
         return groovyResult.equals(true) || groovyResult.toString().trim().toLowerCase().equals("true");
     }
 
+    private void checkValueOf(Config columnConfig, String value, ValidationError error) {
+        List<String> stringList = getStringList(columnConfig, "value of");
+        if (stringList != null) {
+            if (!stringList.contains(value)) {
+                String commaSeparated = stringList.stream().collect(joining(", "));
+                error.add("validation.message.value.of", value, commaSeparated);
+            }
+        }
+    }
+
     private void checkBlankOrNull(Config columnConfig, String value, ValidationError error) {
         if (getBoolean(columnConfig, "not empty")) {
             if (isBlankOrNull(value)) {
@@ -223,18 +235,20 @@ public class Validator {
         return columnConfig.hasPath(path) ? columnConfig.getInt(path) : null;
     }
 
-
     private boolean getBoolean(Config columnConfig, String path) {
         return columnConfig.hasPath(path) && columnConfig.getBoolean(path);
     }
 
+    private List<String> getStringList(Config columnConfig, String path) {
+        return columnConfig.hasPath(path) ? columnConfig.getStringList(path) : null;
+    }
+
     public ValidationError isHeaderValid(String[] headerNames) {
         ValidationError result = null;
         if (validationConfig != null) {
             if (validationConfig.hasPath("headers")) {
                 Config headerSectionConfig = validationConfig.getConfig("headers");
-                if (headerSectionConfig.hasPath("list")) {
+                List<String> headerConfig = getStringList(headerSectionConfig, "list");
-                    List<String> headerConfig = headerSectionConfig.getStringList("list");
                 if (headerConfig != null) {
                     if (headerNames.length != headerConfig.size()) {
                         result = ValidationError.withoutLineNumber().add("validation.message.header.length",
@@ -260,7 +274,6 @@ public class Validator {
                 }
             }
         }
-        }
         return result;
     }
 }

src/main/resources/ninja/javafx/smartcsv/fx/smartcsv.properties

@@ -22,3 +22,4 @@ validation.message.regexp = does not match {0}
 
 validation.message.header.length = number of headers is not correct! there are {0} but there should be {1}
 validation.message.header.match = header number {0} does not match "{1}" should be "{3}"
+validation.message.value.of = Value {0} is not part of this list {1}

src/main/resources/ninja/javafx/smartcsv/fx/smartcsv_de.properties

@@ -30,3 +30,4 @@ validation.message.regexp = entspricht nicht dem regul\u00e4ren Ausdruck {0}
 
 validation.message.header.length = Anzahl der \u00dcberschriften ist nicht korrekt! Es sind {0} aber es sollten {1} sein
 validation.message.header.match = \u00dcberschrift in Spalte {0} stimmt nicht. "{1}" sollte "{3}" sein
+validation.message.value.of = Der Wert {0} ist nicht in der Liste {1} enthalten

src/test/java/ninja/javafx/smartcsv/validation/ConfigMock.java

@@ -2,6 +2,8 @@ package ninja.javafx.smartcsv.validation;
 
 import com.typesafe.config.Config;
 
+import java.util.List;
+
 import static java.util.Arrays.asList;
 import static org.mockito.Mockito.*;
 
@@ -51,6 +53,8 @@ public class ConfigMock {
             when(validatorConfig.getString(validation)).thenReturn((String) value);
         } else if (value instanceof Integer) {
             when(validatorConfig.getInt(validation)).thenReturn((Integer) value);
+        } else if (value instanceof List) {
+            when(validatorConfig.getStringList(validation)).thenReturn((List<String>) value);
         }
 
         return columnSectionConfig;

src/test/java/ninja/javafx/smartcsv/validation/ValidatorTest.java

@@ -101,6 +101,8 @@ public class ValidatorTest {
                 { "column", "regexp", "[a-z]*", "column", "abcA", false, new ValidationMessage("validation.message.regexp", "[a-z]*") },
                 { "column", "groovy", "value.contains('a')? 'true' : 'no a inside'", "column", "abcdef", true, null },
                 { "column", "groovy", "value.contains('a')? 'true' : 'no a inside'", "column", "bcdefg", false, new ValidationMessage("no a inside") },
+                { "column", "value of", asList("a","b","c","d","e"), "column", "c", true, null },
+                { "column", "value of", asList("a","b","c","d","e"), "column", "f", false, new ValidationMessage("validation.message.value.of", "f", "a, b, c, d, e") },
         });
     }