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Issue2535问题fixed
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mek1986 authored and wenshao committed May 10, 2024
1 parent 4c6e194 commit 3198ef5
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Showing 2 changed files with 129 additions and 26 deletions.
61 changes: 35 additions & 26 deletions core/src/main/java/com/alibaba/fastjson2/JSONReader.java
Original file line number Diff line number Diff line change
Expand Up @@ -397,7 +397,7 @@ public final void handleResolveTasks(Object root) {
}

public final ObjectReader getObjectReader(Type type) {
boolean fieldBased = (context.features & JSONReader.Feature.FieldBased.mask) != 0;
boolean fieldBased = (context.features & Feature.FieldBased.mask) != 0;
return context.provider.getObjectReader(type, fieldBased);
}

Expand Down Expand Up @@ -1913,7 +1913,7 @@ public void read(Map object, ObjectReader itemReader, long features) {

Object origin = map.put(name, value);
if (origin != null) {
if ((contextFeatures & JSONReader.Feature.DuplicateKeyValueAsArray.mask) != 0) {
if ((contextFeatures & Feature.DuplicateKeyValueAsArray.mask) != 0) {
if (origin instanceof Collection) {
((Collection) origin).add(value);
map.put(name, origin);
Expand Down Expand Up @@ -2106,7 +2106,7 @@ public void read(Map object, long features) {

Object origin = map.put(name, value);
if (origin != null) {
if ((contextFeatures & JSONReader.Feature.DuplicateKeyValueAsArray.mask) != 0) {
if ((contextFeatures & Feature.DuplicateKeyValueAsArray.mask) != 0) {
if (origin instanceof Collection) {
((Collection) origin).add(value);
map.put(name, origin);
Expand Down Expand Up @@ -2162,7 +2162,7 @@ public final void read(Map object, Type keyType, Type valueType, long features)

Object origin = object.put(name, value);
if (origin != null) {
if ((contextFeatures & JSONReader.Feature.DuplicateKeyValueAsArray.mask) != 0) {
if ((contextFeatures & Feature.DuplicateKeyValueAsArray.mask) != 0) {
if (origin instanceof Collection) {
((Collection) origin).add(value);
object.put(name, origin);
Expand Down Expand Up @@ -2293,7 +2293,7 @@ public Map<String, Object> readObject() {

Object origin = object.put(name, val);
if (origin != null) {
if ((context.features & JSONReader.Feature.DuplicateKeyValueAsArray.mask) != 0) {
if ((context.features & Feature.DuplicateKeyValueAsArray.mask) != 0) {
if (origin instanceof Collection) {
((Collection) origin).add(val);
object.put(name, origin);
Expand Down Expand Up @@ -2339,21 +2339,29 @@ public List readArray(Type itemType) {
return null;
}

if (!nextIfArrayStart()) {
throw new JSONException(info("syntax error : " + ch));
}

boolean fieldBased = (context.features & Feature.FieldBased.mask) != 0;
ObjectReader objectReader = context.provider.getObjectReader(itemType, fieldBased);

List list = new ArrayList();
for (Object item; !nextIfArrayEnd(); list.add(item)) {
int mark = offset;
item = objectReader.readObject(this, null, null, 0);
if (ch == '[') {
if (!nextIfArrayStart()) {
throw new JSONException(info("syntax error : " + ch));
}

if (mark == offset || ch == '}' || ch == EOI) {
throw new JSONException("illegal input : " + ch + ", offset " + getOffset());
boolean fieldBased = (context.features & Feature.FieldBased.mask) != 0;
ObjectReader objectReader = context.provider.getObjectReader(itemType, fieldBased);
for (Object item; !nextIfArrayEnd(); list.add(item)) {
int mark = offset;
item = objectReader.readObject(this, null, null, 0);

if (mark == offset || ch == '}' || ch == EOI) {
throw new JSONException("illegal input : " + ch + ", offset " + getOffset());
}
}
} else if (ch == '"' || ch == '\'' || ch == '{') {
String str = readString();
if (str != null && !str.isEmpty()) {
list.add(str);
}
} else {
throw new JSONException(info("syntax error"));
}

if (comma = (ch == ',')) {
Expand Down Expand Up @@ -3118,7 +3126,7 @@ public static JSONReader of(byte[] utf8Bytes) {
}

@Deprecated
public static JSONReader of(JSONReader.Context context, byte[] utf8Bytes) {
public static JSONReader of(Context context, byte[] utf8Bytes) {
boolean ascii = false;
if (PREDICATE_IS_ASCII != null) {
ascii = PREDICATE_IS_ASCII.test(utf8Bytes);
Expand All @@ -3139,7 +3147,7 @@ public static JSONReader of(JSONReader.Context context, byte[] utf8Bytes) {
}
}

public static JSONReader of(byte[] utf8Bytes, JSONReader.Context context) {
public static JSONReader of(byte[] utf8Bytes, Context context) {
boolean ascii = false;
if (PREDICATE_IS_ASCII != null) {
ascii = PREDICATE_IS_ASCII.test(utf8Bytes);
Expand Down Expand Up @@ -3219,27 +3227,27 @@ public static JSONReader ofJSONB(byte[] jsonbBytes) {
}

@Deprecated
public static JSONReader ofJSONB(JSONReader.Context context, byte[] jsonbBytes) {
public static JSONReader ofJSONB(Context context, byte[] jsonbBytes) {
return new JSONReaderJSONB(
context,
jsonbBytes,
0,
jsonbBytes.length);
}

public static JSONReader ofJSONB(byte[] jsonbBytes, JSONReader.Context context) {
public static JSONReader ofJSONB(byte[] jsonbBytes, Context context) {
return new JSONReaderJSONB(
context,
jsonbBytes,
0,
jsonbBytes.length);
}

public static JSONReader ofJSONB(InputStream in, JSONReader.Context context) {
public static JSONReader ofJSONB(InputStream in, Context context) {
return new JSONReaderJSONB(context, in);
}

public static JSONReader ofJSONB(byte[] jsonbBytes, JSONReader.Feature... features) {
public static JSONReader ofJSONB(byte[] jsonbBytes, Feature... features) {
Context context = JSONFactory.createReadContext();
context.config(features);
return new JSONReaderJSONB(
Expand Down Expand Up @@ -3420,14 +3428,14 @@ public static JSONReader of(InputStream is, Charset charset, Context context) {
return JSONReader.of(new InputStreamReader(is, charset), context);
}

public static JSONReader of(java.io.Reader is) {
public static JSONReader of(Reader is) {
return new JSONReaderUTF16(
JSONFactory.createReadContext(),
is
);
}

public static JSONReader of(java.io.Reader is, Context context) {
public static JSONReader of(Reader is, Context context) {
return new JSONReaderUTF16(
context,
is
Expand Down Expand Up @@ -4464,7 +4472,8 @@ public enum Feature {
ErrorOnUnknownProperties(1 << 26),

/**
* empty string "" convert to null
* empty string "" convert to null
*
* @since 2.0.48
*/
EmptyStringAsNull(1 << 27),
Expand Down
Original file line number Diff line number Diff line change
@@ -0,0 +1,94 @@
package com.alibaba.fastjson2.issues_2500;

import com.alibaba.fastjson2.JSON;
import com.alibaba.fastjson2.JSONException;
import org.junit.jupiter.api.Test;

import java.util.List;

import static org.junit.jupiter.api.Assertions.*;

public class Issue2535 {
@Test
public void test1() {
String json = "{}";
List<String> strings = JSON.parseArray(json, String.class);
assertNotNull(strings);
assertEquals(strings.size(), 1);
assertEquals(strings.get(0), "{}");
}

@Test
public void test2() {
String json = "\"11111\"";
List<String> strings = JSON.parseArray(json, String.class);
assertNotNull(strings);
assertEquals(strings.size(), 1);
assertEquals(strings.get(0), "11111");
}

@Test
public void test3() {
String json = "'22222'";
List<String> strings = JSON.parseArray(json, String.class);
assertNotNull(strings);
assertEquals(strings.size(), 1);
assertEquals(strings.get(0), "22222");
}

@Test
public void test4() {
String json = "[]";
List<String> strings = JSON.parseArray(json, String.class);
assertNotNull(strings);
assertEquals(strings.size(), 0);
}

@Test
public void test5() {
String json = "11\"11111\"";
assertThrows(JSONException.class, () -> {
JSON.parseArray(json, String.class);
});
}

@Test
public void test6() {
String json = "22'22222'";
assertThrows(JSONException.class, () -> {
JSON.parseArray(json, String.class);
});
}

@Test
public void test7() {
String json = "1{}";
assertThrows(JSONException.class, () -> {
JSON.parseArray(json, String.class);
});
}

@Test
public void test8() {
String json = "a{}";
assertThrows(JSONException.class, () -> {
JSON.parseArray(json, String.class);
});
}

@Test
public void test9() {
String json = "a'333'";
assertThrows(JSONException.class, () -> {
JSON.parseArray(json, String.class);
});
}

@Test
public void test10() {
String json = "a\"444\"";
assertThrows(JSONException.class, () -> {
JSON.parseArray(json, String.class);
});
}
}

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