make the context attribute generic (#201)

Author: SentryMan

validator/src/main/java/io/avaje/validation/adapter/ValidationContext.java

@@ -162,7 +162,7 @@ interface AdapterCreateRequest {
     Map<String, Object> attributes();
 
     /** Return the attribute for the given key. */
-    Object attribute(String key);
+   <T> T attribute(String key);
 
     /** Return the message to use */
     Message message();

validator/src/main/java/io/avaje/validation/core/CoreAdapterBuilder.java

@@ -113,12 +113,13 @@ record Request(
 
     @Override
     public String targetType() {
-      return (String)attribute("_type");
+      return attribute("_type");
     }
 
     @Override
-    public Object attribute(String key) {
-      return attributes.get(key);
+    @SuppressWarnings("unchecked")
+    public <T> T attribute(String key) {
+      return (T) attributes.get(key);
     }
 
     @Override

validator/src/main/java/io/avaje/validation/core/adapters/BasicAdapters.java

@@ -40,15 +40,14 @@ static sealed class PatternAdapter extends AbstractConstraintAdapter<CharSequenc
     protected final Predicate<String> pattern;
 
     PatternAdapter(AdapterCreateRequest request) {
-      this(request, (String) request.attribute("regexp"));
+      this(request, request.attribute("regexp"));
     }
 
-    @SuppressWarnings("unchecked")
     PatternAdapter(AdapterCreateRequest request, String regex) {
       super(request);
       int flags = 0;
 
-      final List<RegexFlag> flags1 = (List<RegexFlag>) request.attribute("flags");
+      final List<RegexFlag> flags1 = request.attribute("flags");
       if (flags1 != null) {
         for (final var flag : flags1) {
           flags |= flag.getValue();
@@ -75,8 +74,8 @@ private static final class SizeAdapter implements ValidationAdapter<Object> {
 
     SizeAdapter(AdapterCreateRequest request) {
       this.groups = request.groups();
-      this.min = (int) request.attribute("min");
-      this.max = (int) request.attribute("max");
+      this.min = request.attribute("min");
+      this.max = request.attribute("max");
 
       final Object msgKey = request.attribute("message");
       if (min == 0 && LENGTH.equals(msgKey)) {
@@ -150,7 +149,7 @@ private static final class NotBlankAdapter implements ValidationAdapter<CharSequ
     }
 
     private static int maxLength(AdapterCreateRequest request) {
-      final Integer max = (Integer) request.attribute("max");
+      final Integer max = request.attribute("max");
       return Objects.requireNonNullElse(max, 0);
     }
 

validator/src/main/java/io/avaje/validation/core/adapters/DateRangeAdapter.java

@@ -21,15 +21,15 @@ final class DateRangeAdapter extends AbstractConstraintAdapter<Object> {
     this.referenceClock = referenceClock;
     this.tolerance = tolerance;
     this._type = request.targetType();
-    min = parsePeriod((String) request.attribute("min"), true);
-    max = parsePeriod((String) request.attribute("max"), false);
+    min = parsePeriod(request.attribute("min"), true);
+    max = parsePeriod(request.attribute("max"), false);
   }
 
   private TemporalAmount parsePeriod(String period, boolean negateTolerance) {
     if (period == null || period.isEmpty()) {
       return null;
     }
-    if (period.equals("now")) {
+    if ("now".equals(period)) {
       return nowTolerance(negateTolerance);
     }
     try {

validator/src/main/java/io/avaje/validation/core/adapters/NumberAdapters.java

@@ -125,7 +125,7 @@ private static final class MaxAdapter extends PrimitiveAdapter<Number>
     MaxAdapter(AdapterCreateRequest request) {
       super(request);
       this.targetType = request.targetType();
-      this.max = (long) request.attribute(VALUE);
+      this.max = request.attribute(VALUE);
     }
 
     @Override
@@ -180,7 +180,7 @@ static final class MaxBigDecimal extends AbstractConstraintAdapter<BigDecimal>
 
     MaxBigDecimal(AdapterCreateRequest request) {
       super(request);
-      this.max = new BigDecimal(String.valueOf(request.attribute(VALUE)));
+      this.max = new BigDecimal(String.valueOf(request.<Object>attribute(VALUE)));
     }
 
     @Override
@@ -196,7 +196,7 @@ static final class MaxBigInteger extends AbstractConstraintAdapter<BigInteger>
 
     MaxBigInteger(AdapterCreateRequest request) {
       super(request);
-      this.max = new BigInteger(String.valueOf(request.attribute(VALUE)));
+      this.max = new BigInteger(String.valueOf(request.<Object>attribute(VALUE)));
     }
 
     @Override
@@ -214,7 +214,7 @@ private static final class MinAdapter extends PrimitiveAdapter<Number>
     MinAdapter(AdapterCreateRequest request) {
       super(request);
       this.targetType = request.targetType();
-      this.min = (long) request.attribute(VALUE);
+      this.min = request.attribute(VALUE);
     }
 
     @Override
@@ -268,7 +268,7 @@ static final class MinBigDecimal extends AbstractConstraintAdapter<BigDecimal>
 
     MinBigDecimal(AdapterCreateRequest request) {
       super(request);
-      this.min = new BigDecimal(String.valueOf(request.attribute(VALUE)));
+      this.min = new BigDecimal(String.valueOf(request.<Object>attribute(VALUE)));
     }
 
     @Override
@@ -284,7 +284,7 @@ static final class MinBigInteger extends AbstractConstraintAdapter<BigInteger>
 
     MinBigInteger(AdapterCreateRequest request) {
       super(request);
-      this.min = new BigInteger(String.valueOf(request.attribute(VALUE)));
+      this.min = new BigInteger(String.valueOf(request.<Object>attribute(VALUE)));
     }
 
     @Override
@@ -438,8 +438,8 @@ private static final class RangeAdapter extends PrimitiveAdapter<Number> {
     @SuppressWarnings("unchecked")
     RangeAdapter(AdapterCreateRequest request) {
       super(request);
-      this.min = (long) request.attribute("min");
-      this.max = (long) request.attribute("max");
+      this.min = request.attribute("min");
+      this.max = request.attribute("max");
       this.maxAdapter = (NumberAdapter<Number>) max(request.withValue(max));
       this.minAdapter = (NumberAdapter<Number>) min(request.withValue(min));
     }
@@ -490,8 +490,8 @@ private static final class RangeStringAdapter extends AbstractConstraintAdapter<
 
     RangeStringAdapter(AdapterCreateRequest request) {
       super(request);
-      this.min = BigDecimal.valueOf((long) request.attribute("min"));
-      this.max = BigDecimal.valueOf((long) request.attribute("max"));
+      this.min = BigDecimal.valueOf(request.attribute("min"));
+      this.max = BigDecimal.valueOf(request.attribute("max"));
     }
 
     @Override