switched from config to Gson for better json support as the validation config will be editable in the application directly

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

@@ -0,0 +1,121 @@
+/*
+   The MIT License (MIT)
+   -----------------------------------------------------------------------------
+
+   Copyright (c) 2015 javafx.ninja <info@javafx.ninja>                                              
+                                                                                                                    
+   Permission is hereby granted, free of charge, to any person obtaining a copy
+   of this software and associated documentation files (the "Software"), to deal
+   in the Software without restriction, including without limitation the rights
+   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+   copies of the Software, and to permit persons to whom the Software is
+   furnished to do so, subject to the following conditions:
+
+   The above copyright notice and this permission notice shall be included in
+   all copies or substantial portions of the Software.
+
+   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+   THE SOFTWARE.
+  
+*/
+
+package ninja.javafx.smartcsv.validation;
+
+import com.google.gson.annotations.SerializedName;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import static java.lang.Boolean.FALSE;
+
+/**
+ * validation configuration
+ */
+public class ValidationConfiguration {
+
+    @SerializedName("headers")
+    private HeaderConfiguration headerConfiguration = new HeaderConfiguration();
+
+    @SerializedName("columns")
+    private Map<String, Map<String, Object>> columnConfigurations = new HashMap<>();
+
+    public String[] headerNames() {
+        if (noHeader()) return null;
+        return headerConfiguration.getNames();
+    }
+
+    public Boolean integerRuleFor(String column) {
+        if (noRulesFor(column)) return FALSE;
+        return defaultValue((Boolean)columnConfigurations.get(column).get("integer"), FALSE);
+    }
+
+    public Boolean doubleRuleFor(String column) {
+        if (noRulesFor(column)) return FALSE;
+        return defaultValue((Boolean)columnConfigurations.get(column).get("double"), FALSE);
+    }
+
+    public Boolean notEmptyRuleFor(String column) {
+        if (noRulesFor(column)) return FALSE;
+        return defaultValue((Boolean)columnConfigurations.get(column).get("not empty"), FALSE);
+    }
+
+    public Integer minLengthRuleFor(String column) {
+        if (noRulesFor(column)) return null;
+        return doubleToInteger((Double)columnConfigurations.get(column).get("minlength"));
+    }
+
+    public Integer maxLengthRuleFor(String column) {
+        if (noRulesFor(column)) return null;
+        return doubleToInteger((Double)columnConfigurations.get(column).get("maxlength"));
+    }
+
+    public String dateRuleFor(String column) {
+        if (noRulesFor(column)) return null;
+        return (String)columnConfigurations.get(column).get("date");
+    }
+
+    public Boolean alphanumericRuleFor(String column) {
+        if (noRulesFor(column)) return FALSE;
+        return defaultValue((Boolean)columnConfigurations.get(column).get("alphanumeric"), FALSE);
+    }
+
+    public String regexpRuleFor(String column) {
+        if (noRulesFor(column)) return null;
+        return (String)columnConfigurations.get(column).get("regexp");
+    }
+
+    public List<String> valueOfRuleFor(String column) {
+        if (noRulesFor(column)) return null;
+        return (List<String>)columnConfigurations.get(column).get("value of");
+    }
+
+    public String groovyRuleFor(String column) {
+        if (noRulesFor(column)) return null;
+        return (String)columnConfigurations.get(column).get("groovy");
+    }
+
+    private boolean noHeader() {
+        return headerConfiguration == null;
+    }
+
+    private boolean noRulesFor(String column) {
+        return columnConfigurations == null || columnConfigurations.get(column) == null;
+    }
+
+    private <T> T defaultValue(T value, T defaultValue) {
+        if (value == null) return defaultValue;
+        return value;
+    }
+
+    private Integer doubleToInteger(Double value) {
+        if (value == null) return null;
+        return (int)Math.round(value);
+    }
+
+}