Clean up of Ion module (#408)

Author: thetric

avro/pom.xml

@@ -54,7 +54,7 @@ abstractions.
     <dependency>
       <groupId>ch.qos.logback</groupId>
       <artifactId>logback-classic</artifactId>
-      <version>1.2.11</version>
+      <version>1.2.12</version>
       <scope>test</scope>
     </dependency>
     <!-- For validating more complex comparisons -->

ion/README.md

@@ -34,9 +34,9 @@ SomeType otherValue = mapper.readValue(data, SomeType.class);
 
 ### java.time JSR 310
 
-With version 2.12 (to be released in September 2020), there will be optional support for
+Version 2.12 (released on November 28, 2020) added support for
 (de)serializing some `java.time` classes directly from/to Ion timestamp values.
-To enable it, you need to registed module `IonJavaTimeModule` like so:
+To enable it, you need to register module `IonJavaTimeModule` like so:
 
 ```java
 IonObjectMapper mapper = IonObjectMapper.builder()

ion/pom.xml

@@ -5,7 +5,7 @@
   <!-- is to indicate to Gradle or any Gradle module metadata file consumer  -->
   <!-- that they should prefer consuming it instead. -->
   <!-- do_not_remove: published-with-gradle-metadata -->
-  <modelVersion>4.0.0</modelVersion> 
+  <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>com.fasterxml.jackson.dataformat</groupId>
     <artifactId>jackson-dataformats-binary</artifactId>
@@ -85,8 +85,8 @@ tree model)
             will have to use `moduleInfoFile` as anything else requires JDK 9+
         -->
       <plugin>
-	<groupId>org.moditect</groupId>
-	<artifactId>moditect-maven-plugin</artifactId>
+        <groupId>org.moditect</groupId>
+        <artifactId>moditect-maven-plugin</artifactId>
       </plugin>
     </plugins>
   </build>

ion/src/main/java/com/fasterxml/jackson/dataformat/ion/IonGenerator.java

@@ -19,6 +19,7 @@
 import java.io.IOException;
 import java.math.BigDecimal;
 import java.math.BigInteger;
+import java.nio.charset.StandardCharsets;
 import java.util.Calendar;
 
 import com.fasterxml.jackson.core.Base64Variant;
@@ -220,7 +221,7 @@ public JacksonFeatureSet<StreamWriteCapability> getWriteCapabilities() {
     @Override
     public void writeNumber(int value) throws IOException {
         _verifyValueWrite("write numeric value");
-        _writer.writeInt((long)value);
+        _writer.writeInt(value);
     }
 
     @Override
@@ -248,7 +249,7 @@ public void writeNumber(double value) throws IOException {
     @Override
     public void writeNumber(float value) throws IOException {
         _verifyValueWrite("write numeric value");
-        _writer.writeFloat((double) value);
+        _writer.writeFloat(value);
     }
 
     @Override
@@ -314,7 +315,7 @@ public void writeString(char[] buffer, int offset, int length) throws IOExceptio
     @Override
     public void writeUTF8String(byte[] buffer, int offset, int length) throws IOException {
         // Ion doesn't have matching optimized method, so:
-        writeString(new String(buffer, offset, length, "UTF-8"));
+        writeString(new String(buffer, offset, length, StandardCharsets.UTF_8));
     }
 
     /*

ion/src/main/java/com/fasterxml/jackson/dataformat/ion/jsr310/IonTimestampInstantDeserializer.java

@@ -95,7 +95,7 @@ public JsonDeserializer<T> createContextual(DeserializationContext ctxt, BeanPro
 
         final JsonFormat.Value format = findFormatOverrides(ctxt, property, handledType());
         if (format != null) {
-            return new IonTimestampInstantDeserializer<T>(this,
+            return new IonTimestampInstantDeserializer<>(this,
                     format.getFeature(Feature.ADJUST_DATES_TO_CONTEXT_TIME_ZONE));
         }
         return this;

ion/src/test/java/com/fasterxml/jackson/dataformat/ion/DataBindRoundtripTest.java

@@ -130,8 +130,7 @@ public void testNullFields() throws IOException
         doTests(new Bean(), new IonObjectMapper());
     }
 
-    private void doTests(Bean bean, IonObjectMapper mapper) throws IOException
-    {
+    private void doTests(Bean bean, IonObjectMapper mapper) {
         for (RoundTrippers rt : RoundTrippers.values()) {
             try
             {
@@ -156,9 +155,9 @@ public void testIonRoot() throws IOException {
         Bean bean = m.readValue(root, Bean.class);
         assertNotNull(bean);
         assertEquals(bean.a, "test");
-        assertTrue(bean.b == 0.25);
+        assertEquals(0.25, bean.b, 0.0);
         assertArrayEquals(new byte[0], bean.data);
-        assertEquals(bean.state, true);
+        assertTrue(bean.state);
         assertNotNull(bean.sub);
         assertEquals("yellow", bean.sub.getValue());
         assertEquals("testSymbol", bean.symbol);
@@ -211,7 +210,7 @@ private void _testRoundTrip(Bean bean, RoundTrippers rt, IonObjectMapper m) thro
 
         assertNotNull(result);
         assertEquals(bean.a, result.a);
-        assertTrue(bean.b == result.b);
+        assertEquals(bean.b, result.b, 0.0);
         assertArrayEquals(bean.data, result.data);
         assertEquals(bean.state, result.state);
         if (bean.sub == null)
@@ -227,6 +226,6 @@ private void _testRoundTrip(Bean bean, RoundTrippers rt, IonObjectMapper m) thro
         assertEquals(bean.enumVal, result.enumVal);
         assertEquals(bean.bigDec, result.bigDec);
         assertEquals(bean.bigInt, result.bigInt);
-        assertTrue(bean.f == result.f);
+        assertEquals(bean.f, result.f, 0.0);
     }
 }

ion/src/test/java/com/fasterxml/jackson/dataformat/ion/IonGeneratorTest.java

@@ -44,7 +44,7 @@ public class IonGeneratorTest {
         "}";
 
     static {
-        final Map<String, String> map = new HashMap<String, String>();
+        final Map<String, String> map = new HashMap<>();
         map.put("a", "A");
         map.put("b", "B");
         map.put("c", "C");
@@ -78,7 +78,7 @@ public void setUp() throws Exception {
     @Test
     public void testSimpleWrite() throws Exception {
         joiGenerator.writeBoolean(true);
-        assertThat(output.get(0), is((IonValue)ionSystem.newBool(true)));
+        assertThat(output.get(0), is(ionSystem.newBool(true)));
     }
 
     @Test

ion/src/test/java/com/fasterxml/jackson/dataformat/ion/IonParserTest.java

@@ -64,7 +64,7 @@ public void testGetNumberTypeAndValue() throws Exception {
         IonParser decimalParser = new IonFactory().createParser(ionDecimal);
         Assert.assertEquals(JsonToken.VALUE_NUMBER_FLOAT, decimalParser.nextToken());
         Assert.assertEquals(JsonParser.NumberType.BIG_DECIMAL, decimalParser.getNumberType());
-        Assert.assertTrue(new BigDecimal("" + decimalValue).compareTo((BigDecimal)decimalParser.getNumberValue()) == 0);
+        Assert.assertEquals(0, new BigDecimal("" + decimalValue).compareTo((BigDecimal) decimalParser.getNumberValue()));
 
         Double floatValue = Double.MAX_VALUE;
         IonValue ionFloat = ion.newFloat(floatValue);
@@ -78,7 +78,7 @@ public void testGetNumberTypeAndValue() throws Exception {
         IonParser bigDecimalParser = new IonFactory().createParser(ionBigDecimal);
         Assert.assertEquals(JsonToken.VALUE_NUMBER_FLOAT, bigDecimalParser.nextToken());
         Assert.assertEquals(JsonParser.NumberType.BIG_DECIMAL, bigDecimalParser.getNumberType());
-        Assert.assertTrue(bigDecimalValue.compareTo((BigDecimal)bigDecimalParser.getNumberValue()) == 0);
+        Assert.assertEquals(0, bigDecimalValue.compareTo((BigDecimal) bigDecimalParser.getNumberValue()));
     }
 
     @Test

ion/src/test/java/com/fasterxml/jackson/dataformat/ion/PolymorphicRoundtripTest.java

@@ -124,14 +124,14 @@ public void testSelectivePolymorphism() throws IOException {
         // to be chosen (and we expect that first id to be the most narrow type, ChildBeanSub).
         Bean deserialized = mapper.readValue(serialized, Bean.class);
 
-        assertTrue(deserialized.child.getClass().equals(ChildBeanSub.class));
+        assertEquals(deserialized.child.getClass(), ChildBeanSub.class);
         assertEquals(((ChildBeanSub) original.child).extraField, ((ChildBeanSub) deserialized.child).extraField);
 
         // second, try deserializing with the wider type (ChildBean). We're losing data (extraField)
         preferredTypeId = getClass().getCanonicalName() + "$ChildBean";
         deserialized = mapper.readValue(serialized, Bean.class);
 
-        assertTrue(deserialized.child.getClass().equals(ChildBean.class));
+        assertEquals(deserialized.child.getClass(), ChildBean.class);
         assertEquals(original.child.someField, deserialized.child.someField);
 
         // third, try deserializing into an Object. The child node should deserialize, but immediately fail mapping.
@@ -319,7 +319,7 @@ class MultipleClassNameIdResolver extends ClassNameIdResolver implements Multipl
 
         @Override
         public String[] idsFromValue(Object value) {
-            List<String> ids = new ArrayList<String>();
+            List<String> ids = new ArrayList<>();
             Class<?> cls = value.getClass();
             while (null != cls) {
                 ids.add(super.idFromValueAndType(value, cls));

ion/src/test/java/com/fasterxml/jackson/dataformat/ion/SimpleIonWriteTest.java

@@ -83,7 +83,7 @@ private void _writeSimple(JsonGenerator gen) throws IOException
         gen.writeStartObject();
         gen.writeStringField("a", "value");
         gen.writeNumberField("b", 42);
-        ((IonGenerator)gen).writeFieldName("c");
+        gen.writeFieldName("c");
         ((IonGenerator)gen).writeNull(IonType.INT);
         gen.writeEndObject();
         gen.close();