add java.nio.file.Path support

src/main/java/com/alibaba/fastjson/parser/ParserConfig.java

@@ -81,6 +81,7 @@
 import com.alibaba.fastjson.parser.deserializer.NumberDeserializer;
 import com.alibaba.fastjson.parser.deserializer.ObjectDeserializer;
 import com.alibaba.fastjson.parser.deserializer.OptionalCodec;
+import com.alibaba.fastjson.parser.deserializer.PathDeserializer;
 import com.alibaba.fastjson.parser.deserializer.SqlDateDeserializer;
 import com.alibaba.fastjson.parser.deserializer.StackTraceElementDeserializer;
 import com.alibaba.fastjson.parser.deserializer.ThrowableDeserializer;
@@ -134,6 +135,7 @@ public static ParserConfig getGlobalInstance() {
     protected ASMDeserializerFactory                        asmFactory;
 
     private static boolean                                  awtError    = false;
+    private static boolean                                  jdk7Error   = false;
     private static boolean                                  jdk8Error   = false;
 
     private String[]                                        denyList    = new String[] { "java.lang.Thread" };
@@ -262,6 +264,15 @@ private ParserConfig(ASMDeserializerFactory asmFactory, ClassLoader parentClassL
             }
         }
 
+        if (!jdk7Error) {
+            try {
+                derializers.put(Class.forName("java.nio.file.Path"), new PathDeserializer());
+            } catch (Throwable e) {
+                // skip
+                jdk7Error = true;
+            }
+        }
+
         if (!jdk8Error) {
             try {
                 derializers.put(Class.forName("java.time.LocalDateTime"), Jdk8DateCodec.instance);

src/main/java/com/alibaba/fastjson/parser/deserializer/PathDeserializer.java

@@ -0,0 +1,32 @@
+package com.alibaba.fastjson.parser.deserializer;
+
+import java.lang.reflect.Type;
+import java.nio.file.Paths;
+
+import com.alibaba.fastjson.parser.DefaultJSONParser;
+import com.alibaba.fastjson.parser.JSONLexer;
+import com.alibaba.fastjson.parser.JSONToken;
+
+public class PathDeserializer implements ObjectDeserializer {
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public <T> T deserialze(DefaultJSONParser parser, Type type, Object fieldName) {
+        JSONLexer lexer = parser.lexer;
+        if (lexer.token() == JSONToken.NULL) {
+            lexer.nextToken();
+            return null;
+        }
+
+        String path = lexer.stringVal();
+        lexer.nextToken(JSONToken.COMMA);
+
+        return (T) Paths.get(path);
+    }
+
+    @Override
+    public int getFastMatchToken() {
+        return JSONToken.LITERAL_STRING;
+    }
+
+}

src/main/java/com/alibaba/fastjson/serializer/MiscCodec.java

@@ -59,7 +59,7 @@ public void write(JSONSerializer serializer, Object object, Object fieldName, Ty
             return;
         }
 
-        Object objClass = object.getClass();
+        Class<?> objClass = object.getClass();
 
         String strVal;
         if (objClass == SimpleDateFormat.class) {
@@ -115,7 +115,7 @@ public void write(JSONSerializer serializer, Object object, Object fieldName, Ty
             writeIterator(serializer, out, it);
             return;
         } else {
-            strVal = object.toString();
+            throw new JSONException("not support class : " + objClass);
         }
 
         out.writeString(strVal);

src/main/java/com/alibaba/fastjson/serializer/SerializeConfig.java

@@ -74,6 +74,7 @@ public class SerializeConfig {
     public final static SerializeConfig globalInstance  = new SerializeConfig();
 
 	private static boolean awtError = false;
+	private static boolean jdk7Error = false;
 	private static boolean jdk8Error = false;
 	private static boolean oracleJdbcError = false;
 
@@ -204,22 +205,22 @@ public SerializeConfig(int tableSize) {
 		put(Class.class, MiscCodec.instance);
 
 		put(SimpleDateFormat.class, MiscCodec.instance);
-		put(Locale.class, MiscCodec.instance);
 		put(Currency.class, CurrencyCodec.instance);
 		put(TimeZone.class, MiscCodec.instance);
-		put(UUID.class, MiscCodec.instance);
 		put(InetAddress.class, MiscCodec.instance);
 		put(Inet4Address.class, MiscCodec.instance);
 		put(Inet6Address.class, MiscCodec.instance);
 		put(InetSocketAddress.class, MiscCodec.instance);
 		put(File.class, MiscCodec.instance);
-		put(URI.class, MiscCodec.instance);
-		put(URL.class, MiscCodec.instance);
 		put(Appendable.class, AppendableSerializer.instance);
 		put(StringBuffer.class, AppendableSerializer.instance);
 		put(StringBuilder.class, AppendableSerializer.instance);
-		put(Pattern.class, MiscCodec.instance);
 		put(Charset.class, CharsetCodec.instance);
+		put(Pattern.class, ToStringSerializer.instance);
+		put(Locale.class, ToStringSerializer.instance);
+		put(URI.class, ToStringSerializer.instance);
+		put(URL.class, ToStringSerializer.instance);
+		put(UUID.class, ToStringSerializer.instance);
 
 		// atomic
 		put(AtomicBoolean.class, AtomicCodec.instance);
@@ -245,6 +246,17 @@ public SerializeConfig(int tableSize) {
     		}
 		}
 
+		if (!jdk7Error) {
+		    try {
+                put(Class.forName("java.nio.file.Path"), ToStringSerializer.instance);
+                put(Class.forName("sun.nio.fs.UnixPath"), ToStringSerializer.instance);
+                put(Class.forName("com.sun.nio.zipfs.ZipPath"), ToStringSerializer.instance);
+		    } catch (Throwable e) {
+                // skip
+                jdk7Error = true;
+            }
+		}
+
 		// jdk8
 		if (!jdk8Error) {
     		try {

src/main/java/com/alibaba/fastjson/serializer/ToStringSerializer.java

@@ -0,0 +1,24 @@
+package com.alibaba.fastjson.serializer;
+
+import java.io.IOException;
+import java.lang.reflect.Type;
+
+public class ToStringSerializer implements ObjectSerializer {
+
+    public static final ToStringSerializer instance = new ToStringSerializer();
+
+    @Override
+    public void write(JSONSerializer serializer, Object object, Object fieldName, Type fieldType,
+                      int features) throws IOException {
+        SerializeWriter out = serializer.out;
+
+        if (object == null) {
+            out.writeNull();
+            return;
+        }
+
+        String strVal = object.toString();
+        out.writeString(strVal);
+    }
+
+}

src/test/java/com/alibaba/json/bvt/jdk7/PathTest.java

@@ -0,0 +1,28 @@
+package com.alibaba.json.bvt.jdk7;
+
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+import org.junit.Assert;
+
+import com.alibaba.fastjson.JSON;
+
+import junit.framework.TestCase;
+
+public class PathTest extends TestCase {
+    public void test_for_path() throws Exception {
+        Model model = new Model();
+        model.path = Paths.get("/root/fastjson");
+
+        String text = JSON.toJSONString(model);
+
+        Assert.assertEquals("{\"path\":\"/root/fastjson\"}", text);
+
+        Model model2 = JSON.parseObject(text, Model.class);
+        Assert.assertEquals(model.path.toString(), model2.path.toString());
+    }
+
+    public static class Model {
+        public Path path;
+    }
+}