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Pair serialize & deserialize compatible with fastjson 1.x, fix issue #…
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269 changes: 249 additions & 20 deletions
269
core/src/main/java/com/alibaba/fastjson2/util/ApacheLang3Support.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,39 +1,268 @@ | ||
| package com.alibaba.fastjson2.util; | ||
|
|
||
| import com.alibaba.fastjson2.JSONB; | ||
| import com.alibaba.fastjson2.JSONException; | ||
| import com.alibaba.fastjson2.JSONReader; | ||
| import com.alibaba.fastjson2.JSONWriter; | ||
| import com.alibaba.fastjson2.annotation.JSONCreator; | ||
| import com.alibaba.fastjson2.annotation.JSONField; | ||
| import com.alibaba.fastjson2.annotation.JSONType; | ||
| import com.alibaba.fastjson2.reader.ObjectReader; | ||
| import com.alibaba.fastjson2.writer.ObjectWriter; | ||
|
|
||
| import java.lang.reflect.Method; | ||
| import java.lang.reflect.Type; | ||
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| import static com.alibaba.fastjson2.JSONB.Constants.BC_TYPED_ANY; | ||
|
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| public interface ApacheLang3Support { | ||
| @JSONType(typeName = "org.apache.commons.lang3.tuple.Pair") | ||
| interface PairMixIn<L, R> { | ||
| interface TripleMixIn<L, M, R> { | ||
| @JSONCreator | ||
| static <L, R> Object of(L left, R right) { | ||
| static <L, M, R> Object of(L left, M middle, R right) { | ||
| return null; | ||
| } | ||
|
|
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| @JSONField(deserialize = false) | ||
| Object setValue(Object value); | ||
| } | ||
|
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| interface MutablePairMixIn<L, R> { | ||
| @JSONCreator | ||
| static <L, R> Object of(L left, R right) { | ||
| return null; | ||
| class PairReader | ||
| implements ObjectReader { | ||
| static final long LEFT = Fnv.hashCode64("left"); | ||
| static final long RIGHT = Fnv.hashCode64("right"); | ||
|
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| static final long PAIR = Fnv.hashCode64("org.apache.commons.lang3.tuple.Pair"); | ||
| static final long MUTABLE_PAIR = Fnv.hashCode64("org.apache.commons.lang3.tuple.MutablePair"); | ||
| static final long IMMUTABLE_PAIR = Fnv.hashCode64("org.apache.commons.lang3.tuple.ImmutablePair"); | ||
|
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| final Class objectClass; | ||
| final Type leftType; | ||
| final Type rightType; | ||
|
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| final Method of; | ||
|
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| public PairReader(Class objectClass, Type leftType, Type rightType) { | ||
| this.objectClass = objectClass; | ||
| this.leftType = leftType; | ||
| this.rightType = rightType; | ||
|
|
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| try { | ||
| of = objectClass.getMethod("of", Object.class, Object.class); | ||
| } catch (NoSuchMethodException e) { | ||
| throw new JSONException("Pair.of method not found", e); | ||
| } | ||
| } | ||
|
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| @Override | ||
| public Object readJSONBObject(JSONReader jsonReader, Type fieldType, Object fieldName, long features) { | ||
| if (jsonReader.nextIfNull()) { | ||
| return null; | ||
| } | ||
|
|
||
| if (jsonReader.nextIfMatch(BC_TYPED_ANY)) { | ||
| long typeHash = jsonReader.readTypeHashCode(); | ||
| if (typeHash != PAIR && typeHash != IMMUTABLE_PAIR && typeHash != MUTABLE_PAIR) { | ||
| throw new JSONException("not support inputType : " + jsonReader.getString()); | ||
| } | ||
| } | ||
|
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| Object left = null, right = null; | ||
| if (jsonReader.nextIfObjectStart()) { | ||
| for (int i = 0; i < 100; i++) { | ||
| if (jsonReader.nextIfObjectEnd()) { | ||
| break; | ||
| } | ||
| if (jsonReader.isString()) { | ||
| long hashCode = jsonReader.readFieldNameHashCode(); | ||
| if (hashCode == LEFT) { | ||
| left = jsonReader.read(leftType); | ||
| } else if (hashCode == RIGHT) { | ||
| right = jsonReader.read(rightType); | ||
| } else if (i == 0) { | ||
| left = jsonReader.getFieldName(); | ||
| right = jsonReader.read(rightType); | ||
| } else { | ||
| jsonReader.skipValue(); | ||
| } | ||
| } else if (i == 0) { | ||
| left = jsonReader.read(leftType); | ||
| right = jsonReader.read(rightType); | ||
| } else { | ||
| throw new JSONException(jsonReader.info("not support input")); | ||
| } | ||
| } | ||
| } else if (jsonReader.isArray()) { | ||
| int len = jsonReader.startArray(); | ||
| if (len != 2) { | ||
| throw new JSONException(jsonReader.info("not support input")); | ||
| } | ||
| left = jsonReader.read(leftType); | ||
| right = jsonReader.read(rightType); | ||
| } else { | ||
| throw new JSONException(jsonReader.info("not support input")); | ||
| } | ||
|
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| try { | ||
| return of.invoke(null, left, right); | ||
| } catch (Exception e) { | ||
| throw new JSONException("create pair error", e); | ||
| } | ||
| } | ||
|
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| Object getLeft(); | ||
| @Override | ||
| public Object readObject(JSONReader jsonReader, Type fieldType, Object fieldName, long features) { | ||
| if (jsonReader.nextIfNull()) { | ||
| return null; | ||
| } | ||
|
|
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| Object getRight(); | ||
| Object left = null, right = null; | ||
| if (jsonReader.nextIfObjectStart()) { | ||
| for (int i = 0; i < 100; i++) { | ||
| if (jsonReader.nextIfObjectEnd()) { | ||
| break; | ||
| } | ||
| if (jsonReader.isString()) { | ||
| long hashCode = jsonReader.readFieldNameHashCode(); | ||
| if (hashCode == LEFT) { | ||
| left = jsonReader.read(leftType); | ||
| } else if (hashCode == RIGHT) { | ||
| right = jsonReader.read(rightType); | ||
| } else if (i == 0) { | ||
| left = jsonReader.getFieldName(); | ||
| jsonReader.nextIfMatch(':'); | ||
| right = jsonReader.read(rightType); | ||
| } else { | ||
| jsonReader.skipValue(); | ||
| } | ||
| } else if (i == 0) { | ||
| left = jsonReader.read(leftType); | ||
| jsonReader.nextIfMatch(':'); | ||
| right = jsonReader.read(rightType); | ||
| } else { | ||
| throw new JSONException(jsonReader.info("not support input")); | ||
| } | ||
| } | ||
| } else if (jsonReader.nextIfMatch('[')) { | ||
| left = jsonReader.read(leftType); | ||
| right = jsonReader.read(rightType); | ||
| if (!jsonReader.nextIfMatch(']')) { | ||
| throw new JSONException(jsonReader.info("not support input")); | ||
| } | ||
| } else { | ||
| throw new JSONException(jsonReader.info("not support input")); | ||
| } | ||
|
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| @JSONField(deserialize = false) | ||
| Object setValue(Object value); | ||
| try { | ||
| return of.invoke(null, left, right); | ||
| } catch (Exception e) { | ||
| throw new JSONException("create pair error", e); | ||
| } | ||
| } | ||
| } | ||
|
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| interface TripleMixIn<L, M, R> { | ||
| @JSONCreator | ||
| static <L, M, R> Object of(L left, M middle, R right) { | ||
| return null; | ||
| class PairWriter | ||
| implements ObjectWriter { | ||
| final Class objectClass; | ||
| final String typeName; | ||
| final long typeNameHash; | ||
| Method leftMethod; | ||
| Method rightMethod; | ||
|
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| byte[] nameWithColonUTF8; | ||
| char[] nameWithColonUTF16; | ||
| byte[] typeNameJSONB; | ||
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| static byte[] leftName = JSONB.toBytes("left"); | ||
| static byte[] rightName = JSONB.toBytes("right"); | ||
|
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| public PairWriter(Class objectClass) { | ||
| this.objectClass = objectClass; | ||
| this.typeName = objectClass.getName(); | ||
| this.typeNameHash = Fnv.hashCode64(typeName); | ||
| } | ||
|
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| @Override | ||
| public void writeJSONB(JSONWriter jsonWriter, Object object, Object fieldName, Type fieldType, long features) { | ||
| if (object == null) { | ||
| jsonWriter.writeNull(); | ||
| return; | ||
| } | ||
|
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| if ((jsonWriter.getFeatures(features) & JSONWriter.Feature.WriteClassName.mask) != 0) { | ||
| if (typeNameJSONB == null) { | ||
| typeNameJSONB = JSONB.toBytes(typeName); | ||
| } | ||
| jsonWriter.writeTypeName(typeNameJSONB, typeNameHash); | ||
| } | ||
|
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| jsonWriter.startObject(); | ||
|
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| Object left = getLeft(object); | ||
| Object right = getRight(object); | ||
|
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| jsonWriter.writeNameRaw(leftName, PairReader.LEFT); | ||
| jsonWriter.writeAny(left); | ||
|
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| jsonWriter.writeNameRaw(rightName, PairReader.RIGHT); | ||
| jsonWriter.writeAny(right); | ||
| jsonWriter.endObject(); | ||
| } | ||
|
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| @Override | ||
| public void write(JSONWriter jsonWriter, Object object, Object fieldName, Type fieldType, long features) { | ||
| if (object == null) { | ||
| jsonWriter.writeNull(); | ||
| return; | ||
| } | ||
|
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| Object left = getLeft(object); | ||
| Object right = getRight(object); | ||
|
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| jsonWriter.startObject(); | ||
| if ((jsonWriter.getFeatures(features) & JSONWriter.Feature.WritePairAsJavaBean.mask) != 0) { | ||
| jsonWriter.writeName("left"); | ||
| jsonWriter.writeColon(); | ||
| jsonWriter.writeAny(left); | ||
|
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| jsonWriter.writeName("right"); | ||
| jsonWriter.writeColon(); | ||
| jsonWriter.writeAny(right); | ||
| } else { | ||
| jsonWriter.writeNameAny(left); | ||
| jsonWriter.writeColon(); | ||
| jsonWriter.writeAny(right); | ||
| } | ||
|
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| jsonWriter.endObject(); | ||
| } | ||
|
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| Object getLeft(Object object) { | ||
| Class<?> objectClass = object.getClass(); | ||
| if (leftMethod == null) { | ||
| try { | ||
| leftMethod = objectClass.getMethod("getLeft"); | ||
| } catch (NoSuchMethodException e) { | ||
| throw new JSONException("getLeft method not found", e); | ||
| } | ||
| } | ||
|
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| try { | ||
| return leftMethod.invoke(object); | ||
| } catch (Exception e) { | ||
| throw new JSONException("invoke getLeft method error", e); | ||
| } | ||
| } | ||
|
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| Object getRight(Object object) { | ||
| Class<?> objectClass = object.getClass(); | ||
| if (rightMethod == null) { | ||
| try { | ||
| rightMethod = objectClass.getMethod("getRight"); | ||
| } catch (NoSuchMethodException e) { | ||
| throw new JSONException("getRight method not found", e); | ||
| } | ||
| } | ||
|
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| try { | ||
| return rightMethod.invoke(object); | ||
| } catch (Exception e) { | ||
| throw new JSONException("invoke getRight method error", e); | ||
| } | ||
| } | ||
| } | ||
| } |
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