fix: deprecate JacksonFactory in favor of GsonFactory to align with security team advice (#1216)

Author: elharo

google-http-client-jackson2/src/main/java/com/google/api/client/json/jackson2/JacksonFactory.java

@@ -17,7 +17,6 @@
 import com.google.api.client.json.JsonFactory;
 import com.google.api.client.json.JsonGenerator;
 import com.google.api.client.json.JsonParser;
-import com.google.api.client.json.JsonToken;
 import com.google.api.client.util.Preconditions;
 import java.io.IOException;
 import java.io.InputStream;
@@ -34,7 +33,9 @@
  *
  * @since 1.11
  * @author Yaniv Inbar
+ * @deprecated use com.google.api.client.json.GsonFactory instead
  */
+@Deprecated
 public final class JacksonFactory extends JsonFactory {
 
   /** JSON factory. */
@@ -96,36 +97,4 @@ public JsonParser createJsonParser(String value) throws IOException {
     Preconditions.checkNotNull(value);
     return new JacksonParser(this, factory.createJsonParser(value));
   }
-
-  static JsonToken convert(com.fasterxml.jackson.core.JsonToken token) {
-    if (token == null) {
-      return null;
-    }
-    switch (token) {
-      case END_ARRAY:
-        return JsonToken.END_ARRAY;
-      case START_ARRAY:
-        return JsonToken.START_ARRAY;
-      case END_OBJECT:
-        return JsonToken.END_OBJECT;
-      case START_OBJECT:
-        return JsonToken.START_OBJECT;
-      case VALUE_FALSE:
-        return JsonToken.VALUE_FALSE;
-      case VALUE_TRUE:
-        return JsonToken.VALUE_TRUE;
-      case VALUE_NULL:
-        return JsonToken.VALUE_NULL;
-      case VALUE_STRING:
-        return JsonToken.VALUE_STRING;
-      case VALUE_NUMBER_FLOAT:
-        return JsonToken.VALUE_NUMBER_FLOAT;
-      case VALUE_NUMBER_INT:
-        return JsonToken.VALUE_NUMBER_INT;
-      case FIELD_NAME:
-        return JsonToken.FIELD_NAME;
-      default:
-        return JsonToken.NOT_AVAILABLE;
-    }
-  }
 }

google-http-client-jackson2/src/main/java/com/google/api/client/json/jackson2/JacksonGenerator.java

@@ -14,6 +14,7 @@
 
 package com.google.api.client.json.jackson2;
 
+import com.google.api.client.json.JsonFactory;
 import com.google.api.client.json.JsonGenerator;
 import java.io.IOException;
 import java.math.BigDecimal;
@@ -28,14 +29,14 @@
  */
 final class JacksonGenerator extends JsonGenerator {
   private final com.fasterxml.jackson.core.JsonGenerator generator;
-  private final JacksonFactory factory;
+  private final JsonFactory factory;
 
   @Override
-  public JacksonFactory getFactory() {
+  public JsonFactory getFactory() {
     return factory;
   }
 
-  JacksonGenerator(JacksonFactory factory, com.fasterxml.jackson.core.JsonGenerator generator) {
+  JacksonGenerator(JsonFactory factory, com.fasterxml.jackson.core.JsonGenerator generator) {
     this.factory = factory;
     this.generator = generator;
   }

google-http-client-jackson2/src/main/java/com/google/api/client/json/jackson2/JacksonParser.java

@@ -14,6 +14,7 @@
 
 package com.google.api.client.json.jackson2;
 
+import com.google.api.client.json.JsonFactory;
 import com.google.api.client.json.JsonParser;
 import com.google.api.client.json.JsonToken;
 import java.io.IOException;
@@ -30,14 +31,14 @@
 final class JacksonParser extends JsonParser {
 
   private final com.fasterxml.jackson.core.JsonParser parser;
-  private final JacksonFactory factory;
+  private final JsonFactory factory;
 
   @Override
-  public JacksonFactory getFactory() {
+  public JsonFactory getFactory() {
     return factory;
   }
 
-  JacksonParser(JacksonFactory factory, com.fasterxml.jackson.core.JsonParser parser) {
+  JacksonParser(JsonFactory factory, com.fasterxml.jackson.core.JsonParser parser) {
     this.factory = factory;
     this.parser = parser;
   }
@@ -49,7 +50,7 @@ public void close() throws IOException {
 
   @Override
   public JsonToken nextToken() throws IOException {
-    return JacksonFactory.convert(parser.nextToken());
+    return convert(parser.nextToken());
   }
 
   @Override
@@ -59,7 +60,7 @@ public String getCurrentName() throws IOException {
 
   @Override
   public JsonToken getCurrentToken() {
-    return JacksonFactory.convert(parser.getCurrentToken());
+    return convert(parser.getCurrentToken());
   }
 
   @Override
@@ -112,4 +113,36 @@ public double getDoubleValue() throws IOException {
   public long getLongValue() throws IOException {
     return parser.getLongValue();
   }
+
+  private static JsonToken convert(com.fasterxml.jackson.core.JsonToken token) {
+    if (token == null) {
+      return null;
+    }
+    switch (token) {
+      case END_ARRAY:
+        return JsonToken.END_ARRAY;
+      case START_ARRAY:
+        return JsonToken.START_ARRAY;
+      case END_OBJECT:
+        return JsonToken.END_OBJECT;
+      case START_OBJECT:
+        return JsonToken.START_OBJECT;
+      case VALUE_FALSE:
+        return JsonToken.VALUE_FALSE;
+      case VALUE_TRUE:
+        return JsonToken.VALUE_TRUE;
+      case VALUE_NULL:
+        return JsonToken.VALUE_NULL;
+      case VALUE_STRING:
+        return JsonToken.VALUE_STRING;
+      case VALUE_NUMBER_FLOAT:
+        return JsonToken.VALUE_NUMBER_FLOAT;
+      case VALUE_NUMBER_INT:
+        return JsonToken.VALUE_NUMBER_INT;
+      case FIELD_NAME:
+        return JsonToken.FIELD_NAME;
+      default:
+        return JsonToken.NOT_AVAILABLE;
+    }
+  }
 }