Fix json-snapshot#27: Lib can not be used with Jackson 2.10.0 or later

pom.xml

@@ -53,12 +53,12 @@
     <dependency>
       <groupId>com.fasterxml.jackson.core</groupId>
       <artifactId>jackson-core</artifactId>
-      <version>2.9.8</version>
+      <version>2.12.3</version>
     </dependency>
     <dependency>
       <groupId>com.fasterxml.jackson.core</groupId>
       <artifactId>jackson-databind</artifactId>
-      <version>2.9.10.7</version>
+      <version>2.12.3</version>
     </dependency>
     <dependency>
       <groupId>org.projectlombok</groupId>
@@ -236,4 +236,4 @@
       </plugin>
     </plugins>
   </build>
-</project>
+</project>

src/main/java/io/github/jsonSnapshot/CustomDefaultPrettyPrinter.java

@@ -0,0 +1,22 @@
+package io.github.jsonSnapshot;
+
+import com.fasterxml.jackson.core.util.DefaultPrettyPrinter;
+import com.fasterxml.jackson.core.util.Separators;
+
+public class CustomDefaultPrettyPrinter extends DefaultPrettyPrinter {
+    public CustomDefaultPrettyPrinter(String s) {
+        super(s);
+    }
+
+    @Override
+    public DefaultPrettyPrinter withSeparators(Separators separators) {
+        this._separators = separators;
+        this._objectFieldValueSeparatorWithSpaces = separators.getObjectFieldValueSeparator() + " ";
+        return this;
+    }
+
+    @Override
+    public DefaultPrettyPrinter createInstance() {
+        return new DefaultPrettyPrinter(this);
+    }
+}

src/main/java/io/github/jsonSnapshot/SnapshotMatcher.java

@@ -129,15 +129,7 @@ static Function<Object, String> defaultJsonFunction() {
 
   private static PrettyPrinter buildDefaultPrettyPrinter() {
     DefaultPrettyPrinter pp =
-        new DefaultPrettyPrinter("") {
-          @Override
-          public DefaultPrettyPrinter withSeparators(Separators separators) {
-            this._separators = separators;
-            this._objectFieldValueSeparatorWithSpaces =
-                separators.getObjectFieldValueSeparator() + " ";
-            return this;
-          }
-        };
+        new CustomDefaultPrettyPrinter("");
     Indenter lfOnlyIndenter = new DefaultIndenter("  ", "\n");
     pp.indentArraysWith(lfOnlyIndenter);
     pp.indentObjectsWith(lfOnlyIndenter);