Bump to java 21

Author: bowbahdoe

README.md

@@ -6,7 +6,7 @@
 
 A Java JSON Library intended to be easy to learn and simple to teach.
 
-Requires Java 17+.
+Requires Java 21+.
 
 ## Dependency Information
 
@@ -16,15 +16,15 @@ Requires Java 17+.
 <dependency>
     <groupId>dev.mccue</groupId>
     <artifactId>json</artifactId>
-    <version>0.2.4</version>
+    <version>0.3.0</version>
 </dependency>
 ```
 
 ### Gradle
 
 ```
 dependencies {
-    implementation("dev.mccue:json:0.2.4")
+    implementation("dev.mccue:json:0.3.0")
 }
 ```
 

pom.xml

@@ -6,17 +6,17 @@
 
     <groupId>dev.mccue</groupId>
     <artifactId>json</artifactId>
-    <version>0.2.4</version>
+    <version>0.3.0</version>
     <packaging>jar</packaging>
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>17</maven.compiler.source>
-        <maven.compiler.target>17</maven.compiler.target>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
     </properties>
 
     <name>json</name>
-    <description>Dead simple Java JSON API based on sealed interfaces.</description>
+    <description>A Java JSON Library intended to be easy to learn and simple to teach.</description>
     <url>https://github.com/bowbahdoe/json</url>
 
     <developers>
@@ -63,10 +63,9 @@
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>3.8.1</version>
                 <configuration>
-                    <source>17</source>
-                    <target>17</target>
+                    <source>21</source>
+                    <target>21</target>
                     <compilerArgs>
-                        <arg>-Xlint:all</arg>
                         <arg>-Werror</arg>
                     </compilerArgs>
                 </configuration>

src/main/java/dev/mccue/json/Json.java

@@ -79,7 +79,7 @@ static Json of(@Nullable JsonEncodable value) {
      * @return An instance of {@link Json}.
      */
     static Json of(@Nullable BigDecimal value) {
-        return value == null ? JsonNull.instance() : new BigDecimalImpl(value);
+        return value == null ? JsonNull.instance() : JsonNumber.of(value);
     }
 
     /**
@@ -89,7 +89,7 @@ static Json of(@Nullable BigDecimal value) {
      * @return An instance of {@link Json}.
      */
     static Json of(double value) {
-        return new DoubleImpl(value);
+        return JsonNumber.of(value);
     }
 
     /**
@@ -99,7 +99,7 @@ static Json of(double value) {
      * @return An instance of {@link Json}.
      */
     static Json of(long value) {
-        return new LongImpl(value);
+        return JsonNumber.of(value);
     }
 
     /**
@@ -109,7 +109,7 @@ static Json of(long value) {
      * @return An instance of {@link Json}.
      */
     static Json of(float value) {
-        return new DoubleImpl(value);
+        return JsonNumber.of(value);
     }
 
     /**
@@ -119,7 +119,7 @@ static Json of(float value) {
      * @return An instance of {@link Json}.
      */
     static Json of(int value) {
-        return new LongImpl(value);
+        return JsonNumber.of(value);
     }
 
     /**
@@ -129,7 +129,7 @@ static Json of(int value) {
      * @return An instance of {@link Json}.
      */
     static Json of(@Nullable Double value) {
-        return value == null ? JsonNull.instance() : new DoubleImpl(value);
+        return value == null ? JsonNull.instance() : of((double) value);
     }
 
     /**
@@ -139,7 +139,7 @@ static Json of(@Nullable Double value) {
      * @return An instance of {@link Json}.
      */
     static Json of(@Nullable Long value) {
-        return value == null ? JsonNull.instance() : new LongImpl(value);
+        return value == null ? JsonNull.instance() : of((long) value);
     }
 
     /**
@@ -149,7 +149,7 @@ static Json of(@Nullable Long value) {
      * @return An instance of {@link Json}.
      */
     static Json of(@Nullable Float value) {
-        return value == null ? JsonNull.instance() : new DoubleImpl(value);
+        return value == null ? JsonNull.instance() : of((float) value);
     }
 
     /**
@@ -159,7 +159,7 @@ static Json of(@Nullable Float value) {
      * @return An instance of {@link Json}.
      */
     static Json of(@Nullable Integer value) {
-        return value == null ? JsonNull.instance() : new LongImpl(value);
+        return value == null ? JsonNull.instance() : of((int) value);
     }
 
     /**
@@ -169,7 +169,7 @@ static Json of(@Nullable Integer value) {
      * @return An instance of {@link Json}.
      */
     static Json of(@Nullable BigInteger value) {
-        return value == null ? JsonNull.instance() : new BigIntegerImpl(value);
+        return value == null ? JsonNull.instance() : JsonNumber.of(value);
     }
 
     /**

src/main/java/dev/mccue/json/JsonDecimal.java

@@ -0,0 +1,8 @@
+package dev.mccue.json;
+
+import dev.mccue.json.internal.JsonDecimalImpl;
+
+public sealed abstract class JsonDecimal
+        extends JsonNumber
+        permits JsonDecimalImpl {
+}

src/main/java/dev/mccue/json/JsonInteger.java

@@ -0,0 +1,8 @@
+package dev.mccue.json;
+
+import dev.mccue.json.internal.JsonIntegerImpl;
+
+public sealed abstract class JsonInteger
+        extends JsonNumber
+        permits JsonIntegerImpl {
+}

src/main/java/dev/mccue/json/JsonNumber.java

@@ -1,9 +1,7 @@
 package dev.mccue.json;
 
-import dev.mccue.json.internal.BigDecimalImpl;
-import dev.mccue.json.internal.BigIntegerImpl;
-import dev.mccue.json.internal.DoubleImpl;
-import dev.mccue.json.internal.LongImpl;
+import dev.mccue.json.internal.JsonDecimalImpl;
+import dev.mccue.json.internal.JsonIntegerImpl;
 import dev.mccue.json.stream.JsonGenerator;
 
 import java.io.Serial;
@@ -16,8 +14,7 @@
  */
 public sealed abstract class JsonNumber
         extends Number
-        implements Json
-        permits BigDecimalImpl, DoubleImpl, LongImpl, BigIntegerImpl {
+        implements Json permits JsonDecimal, JsonInteger {
     @Serial
     private static final long serialVersionUID = 1L;
 
@@ -35,28 +32,40 @@ protected JsonNumber() {}
 
     public abstract boolean isIntegral();
 
-    public static JsonNumber of(BigDecimal value) {
-        return new BigDecimalImpl(value);
+    public static JsonDecimal of(BigDecimal value) {
+        return new JsonDecimalImpl(value.toString());
     }
 
-    public static JsonNumber of(double value) {
-        return new DoubleImpl(value);
+    public static JsonDecimal of(double value) {
+        if (Double.isInfinite(value)) {
+            throw new IllegalArgumentException("JSON cannot encode an infinite value");
+        }
+        if (Double.isNaN(value)) {
+            throw new IllegalArgumentException("JSON cannot encode a NaN");
+        }
+        return new JsonDecimalImpl(BigDecimal.valueOf(value).toString());
     }
 
-    public static JsonNumber of(long value) {
-        return new LongImpl(value);
+    public static JsonInteger of(long value) {
+        return new JsonIntegerImpl(BigDecimal.valueOf(value).toString());
     }
 
-    public static JsonNumber of(float value) {
-        return new DoubleImpl(value);
+    public static JsonDecimal of(float value) {
+        if (Float.isInfinite(value)) {
+            throw new IllegalArgumentException("JSON cannot encode an infinite value");
+        }
+        if (Float.isNaN(value)) {
+            throw new IllegalArgumentException("JSON cannot encode a NaN");
+        }
+        return new JsonDecimalImpl(BigDecimal.valueOf(value).toString());
     }
 
-    public static JsonNumber of(int value) {
-        return new LongImpl(value);
+    public static JsonInteger of(int value) {
+        return new JsonIntegerImpl(BigDecimal.valueOf(value).toString());
     }
 
-    public static JsonNumber of(java.math.BigInteger value) {
-        return new BigIntegerImpl(value);
+    public static JsonInteger of(java.math.BigInteger value) {
+        return new JsonIntegerImpl(new BigDecimal(value).toString());
     }
 
     @Override

src/main/java/dev/mccue/json/JsonReadOptions.java

@@ -6,28 +6,22 @@
  * Options for customizing the process of reading Json.
  *
  * @param eofBehavior What to do if an attempted read reaches an EOF without any Json being read.
- * @param useBigDecimals Whether to use BigDecimals when reading decimal numbers.
  *
  * @author <a href="ethan@mccue.dev">Ethan McCue</a>
  */
 public record JsonReadOptions(
-        EOFBehavior eofBehavior,
-        boolean useBigDecimals
+        EOFBehavior eofBehavior
 ) {
     public JsonReadOptions {
         Objects.requireNonNull(eofBehavior, "eofBehavior must not be null");
     }
 
     public JsonReadOptions() {
-        this(EOFBehavior.THROW_EXCEPTION, false);
+        this(EOFBehavior.THROW_EXCEPTION);
     }
 
     public JsonReadOptions withEOFBehavior(EOFBehavior eofBehavior) {
-        return new JsonReadOptions(eofBehavior, useBigDecimals);
-    }
-
-    public JsonReadOptions withUseBigDecimals(boolean useBigDecimals) {
-        return new JsonReadOptions(eofBehavior, useBigDecimals);
+        return new JsonReadOptions(eofBehavior);
     }
 
     /**