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完善JSONFeild的SerializeFeature支持

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git-svn-id: http://code.alibabatech.com/svn/fastjson/trunk/fastjson@1287 fb902949-7fc4-4485-a80f-4d6ff335c879
This commit is contained in:
wenshao
2011-08-09 04:16:50 +00:00
parent 6df37c39e7
commit 970f08052d
3 changed files with 57 additions and 2 deletions
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src/main/java/com/alibaba/fastjson/serializer/ASMSerializerFactory.java
+11 -2
View File
@@ -1053,6 +1053,7 @@ public class ASMSerializerFactory implements Opcodes {
boolean writeNull = false;
boolean writeNullNumberAsZero = false;
boolean writeNullStringAsEmpty = false;
boolean writeNullBooleanAsFalse = false;
JSONField annotation = fieldInfo.getAnnotation(JSONField.class);
if (annotation != null) {
for (SerializerFeature feature : annotation.serialzeFeatures()) {
@@ -1062,6 +1063,8 @@ public class ASMSerializerFactory implements Opcodes {
writeNullNumberAsZero = true;
} else if (feature == SerializerFeature.WriteNullStringAsEmpty) {
writeNullStringAsEmpty = true;
} else if (feature == SerializerFeature.WriteNullBooleanAsFalse) {
writeNullBooleanAsFalse = true;
}
}
}
@@ -1100,8 +1103,14 @@ public class ASMSerializerFactory implements Opcodes {
"(CLjava/lang/String;)V");
}
} else if (propertyClass == Boolean.class) {
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "writeFieldNullBoolean",
"(CLjava/lang/String;)V");
if (writeNullBooleanAsFalse) {
mw.visitInsn(ICONST_0);
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "writeFieldValue",
"(CLjava/lang/String;Z)V");
} else {
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "writeFieldNullBoolean",
"(CLjava/lang/String;)V");
}
} else if (Collection.class.isAssignableFrom(propertyClass) || propertyClass.isArray()) {
mw.visitMethodInsn(INVOKEVIRTUAL, getType(SerializeWriter.class), "writeFieldNullList",
"(CLjava/lang/String;)V");
src/main/java/com/alibaba/fastjson/serializer/ObjectFieldSerializer.java
+6
View File
@@ -28,6 +28,7 @@ public class ObjectFieldSerializer extends FieldSerializer {
private String format;
private boolean writeNumberAsZero = false;
boolean writeNullStringAsEmpty = false;
boolean writeNullBooleanAsFalse = false;
public ObjectFieldSerializer(FieldInfo fieldInfo) {
super(fieldInfo);
@@ -46,6 +47,8 @@ public class ObjectFieldSerializer extends FieldSerializer {
writeNumberAsZero = true;
} else if (feature == SerializerFeature.WriteNullStringAsEmpty) {
writeNullStringAsEmpty = true;
} else if (feature == SerializerFeature.WriteNullBooleanAsFalse) {
writeNullBooleanAsFalse = true;
}
}
}
@@ -79,6 +82,9 @@ public class ObjectFieldSerializer extends FieldSerializer {
} else if (writeNullStringAsEmpty && String.class == runtimeFieldClass) {
serializer.getWriter().write("\"\"");
return;
} else if (writeNullBooleanAsFalse && Boolean.class == runtimeFieldClass) {
serializer.getWriter().write("false");
return;
}
fieldSerializer.write(serializer, null);
src/test/java/com/alibaba/json/test/bvt/FeaturesTest5.java
+40
View File
@@ -0,0 +1,40 @@
package com.alibaba.json.test.bvt;
import junit.framework.Assert;
import junit.framework.TestCase;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.annotation.JSONField;
import com.alibaba.fastjson.serializer.SerializeConfig;
import com.alibaba.fastjson.serializer.SerializerFeature;
public class FeaturesTest5 extends TestCase {
public void test_0() throws Exception {
SerializeConfig config = new SerializeConfig();
config.setAsmEnable(false);
String text = JSON.toJSONString(new Entity(), config);
Assert.assertEquals("{\"value\":false}", text);
}
public void test_1() throws Exception {
SerializeConfig config = new SerializeConfig();
config.setAsmEnable(true);
String text = JSON.toJSONString(new Entity(), config);
Assert.assertEquals("{\"value\":false}", text);
}
public static class Entity {
private Boolean value;
@JSONField(serialzeFeatures = { SerializerFeature.WriteMapNullValue, SerializerFeature.WriteNullBooleanAsFalse })
public Boolean getValue() {
return value;
}
}
}