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fix byte[0]在json序列化时被忽略的bug;

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This commit is contained in:
Zjp 2022-11-21 10:31:59 +08:00
parent fa115dffbc
commit e32129740a
2 changed files with 23 additions and 2 deletions
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3
hutool-json/src/main/java/cn/hutool/json/ObjectMapper.java
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@ -145,7 +145,8 @@ public class ObjectMapper {
mapFromTokener(new JSONTokener((InputStream) source, jsonArray.getConfig()), jsonArray, filter); mapFromTokener(new JSONTokener((InputStream) source, jsonArray.getConfig()), jsonArray, filter);
} else if (source instanceof byte[]) { } else if (source instanceof byte[]) {
final byte[] bytesSource = (byte[]) source; final byte[] bytesSource = (byte[]) source;
if('[' == bytesSource[0] && ']' == bytesSource[bytesSource.length - 1]){ // 如果是普通的的byte[], 要避免下标越界
if (bytesSource.length > 1 && '[' == bytesSource[0] && ']' == bytesSource[bytesSource.length - 1]) {
mapFromTokener(new JSONTokener(IoUtil.toStream(bytesSource), jsonArray.getConfig()), jsonArray, filter); mapFromTokener(new JSONTokener(IoUtil.toStream(bytesSource), jsonArray.getConfig()), jsonArray, filter);
}else{ }else{
// https://github.com/dromara/hutool/issues/2369 // https://github.com/dromara/hutool/issues/2369

22
hutool-json/src/test/java/cn/hutool/json/JSONUtilTest.java
View File

@ -9,6 +9,7 @@ import cn.hutool.core.util.NumberUtil;
import cn.hutool.json.test.bean.Price; import cn.hutool.json.test.bean.Price;
import cn.hutool.json.test.bean.UserA; import cn.hutool.json.test.bean.UserA;
import cn.hutool.json.test.bean.UserC; import cn.hutool.json.test.bean.UserC;
import lombok.Data;
import org.junit.Assert; import org.junit.Assert;
import org.junit.Test; import org.junit.Test;
@ -244,10 +245,29 @@ public class JSONUtilTest {
} }
@Test(expected = JSONException.class) @Test(expected = JSONException.class)
public void duplicateKeyTrueTest(){ public void duplicateKeyTrueTest() {
final String str = "{id:123, name:\"张三\", name:\"李四\"}"; final String str = "{id:123, name:\"张三\", name:\"李四\"}";
final JSONObject jsonObject = JSONUtil.parseObj(str, JSONConfig.create().setCheckDuplicate(true)); final JSONObject jsonObject = JSONUtil.parseObj(str, JSONConfig.create().setCheckDuplicate(true));
Assert.assertEquals("{\"id\":123,\"name\":\"李四\"}", jsonObject.toString()); Assert.assertEquals("{\"id\":123,\"name\":\"李四\"}", jsonObject.toString());
} }
/**
* 测试普通数组转JSONArray时是否异常, 尤其是byte[]数组, 可能是普通的byte[]数组, 也可能是二进制流
*/
@Test
public void testArrayEntity() {
final String jsonStr = JSONUtil.toJsonStr(new ArrayEntity());
Assert.assertEquals("{\"a\":[],\"b\":[0],\"c\":[],\"d\":[],\"e\":[]}", jsonStr);
}
@Data
static class ArrayEntity {
private byte[] a = new byte[0];
private byte[] b = new byte[1];
private int[] c = new int[0];
private Byte[] d = new Byte[0];
private Byte[] e = new Byte[1];
}
} }