Start work on writer-side of custom handlers

Author: cowtowncoder

jr-objects/src/main/java/com/fasterxml/jackson/jr/ob/api/ValueReader.java

@@ -8,7 +8,7 @@
 
 /**
  * API and base class for all "deserializer" implementations used to actually read
- * values of Java types from (json) input.
+ * values of Java types from (JSON) input.
  */
 public abstract class ValueReader
 {

jr-objects/src/main/java/com/fasterxml/jackson/jr/ob/api/ValueWriter.java

@@ -0,0 +1,15 @@
+package com.fasterxml.jackson.jr.ob.api;
+
+import java.io.IOException;
+
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.jr.ob.impl.JSONWriter;
+
+/**
+ *
+ * @since 2.10
+ */
+public interface ValueWriter {
+    public void writeValue(JSONWriter context, JsonGenerator g, Object value)
+        throws IOException;
+}

jr-objects/src/main/java/com/fasterxml/jackson/jr/ob/impl/BeanWriter.java

@@ -0,0 +1,24 @@
+package com.fasterxml.jackson.jr.ob.impl;
+
+import java.io.IOException;
+
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.jr.ob.api.ValueWriter;
+
+public class BeanWriter
+    implements ValueWriter
+{
+    protected final BeanPropertyWriter[] _properties;
+
+    public BeanWriter(BeanPropertyWriter[] props) {
+        _properties = props;
+    }
+    
+    @Override
+    public void writeValue(JSONWriter context, JsonGenerator g, Object value)
+        throws IOException
+    {
+        context.writeBeanValue(_properties, value);
+    }
+
+}

jr-objects/src/main/java/com/fasterxml/jackson/jr/ob/impl/JSONWriter.java

@@ -163,18 +163,6 @@ public void writeValue(Object value) throws IOException
         _writeValue(value, _writerLocator.findSerializationType(value.getClass()));
     }
 
-    @Deprecated // since 2.8
-    public void writeField(String fieldName, Object value) throws IOException
-    {
-        if (value == null) {
-            if (_writeNullValues) {
-                writeNullField(fieldName);
-            }
-            return;
-        }
-        writeField(fieldName, value, _writerLocator.findSerializationType(value.getClass()));
-    }
-
     public void writeField(String fieldName, Object value, int type) throws IOException
     {
         switch (type) {
@@ -693,7 +681,7 @@ protected void writeEnumField(String fieldName, Enum<?> v) throws IOException {
         }
     }
 
-    protected void writeBeanValue(BeanPropertyWriter[] props, Object bean) throws IOException
+    public void writeBeanValue(BeanPropertyWriter[] props, Object bean) throws IOException
     {
         _generator.writeStartObject();
         for (int i = 0, end = props.length; i < end; ++i) {

jr-objects/src/main/java/com/fasterxml/jackson/jr/ob/impl/ValueWriterLocator.java

@@ -120,7 +120,7 @@ public ValueWriterLocator perOperationInstance(JSONWriter w, int features) {
     /* Public API: writer lookup
     /**********************************************************************
      */
-    
+
     public BeanPropertyWriter[] getPropertyWriters(int index) {
         // for simplicity, let's allow caller to pass negative id as is
         if (index < 0) {