package com.alibaba.json.bvt.parser.deser;
import junit.framework.Assert;
import junit.framework.TestCase;
import com.alibaba.fastjson.JSONException;
import com.alibaba.fastjson.annotation.JSONField;
import com.alibaba.fastjson.serializer.JSONSerializer;
import com.alibaba.fastjson.serializer.NameFilter;
import com.alibaba.fastjson.serializer.PropertyFilter;
import com.alibaba.fastjson.serializer.SerializeWriter;
import com.alibaba.fastjson.serializer.SerializerFeature;
import com.alibaba.fastjson.serializer.ValueFilter;
public class FieldSerializerTest3 extends TestCase {
public void test_writeNull() throws Exception {
String text = toJSONString(new Entity());
Assert.assertEquals("{\"v\":\"xxx\"}", text);
}
public static final String toJSONString(Object object, SerializerFeature... features) {
SerializeWriter out = new SerializeWriter();
try {
JSONSerializer serializer = new JSONSerializer(out);
serializer.getPropertyFilters().add(new PropertyFilter() {
public boolean apply(Object source, String name, Object value) {
if ("id".equals(name)) {
return false;
}
return true;
}
});
serializer.getNameFilters().add(new NameFilter() {
public String process(Object source, String name, Object value) {
return name;
}
});
serializer.getValueFilters().add(new ValueFilter() {
public Object process(Object source, String name, Object value) {
if ("v".endsWith(name)) {
return "xxx";
}
return value;
}
});
for (com.alibaba.fastjson.serializer.SerializerFeature feature : features) {
serializer.config(feature, true);
}
serializer.write(object);
return out.toString();
} catch (StackOverflowError e) {
throw new JSONException("maybe circular references", e);
} finally {
out.close();
}
}
private static class Entity {
private int id;
@JSONField(name = "v", serialzeFeatures = { SerializerFeature.WriteMapNullValue })
private String value;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getValue() {
return value;
}
public void setValue(String value) {
this.value = value;
}
}
}