Java JsonWriterSettings类代码示例

import org.bson.json.JsonWriterSettings; //导入依赖的package包/类
/**
 * Testing if List<String> can be decoded into a
 */
@Test
public void testResilience() {

    Codec<EncodingPojo> encodingPojoCodec = codecRegistry.get(EncodingPojo.class);
    Codec<DecodingPojo> decodingPojoCodec = codecRegistry.get(DecodingPojo.class);

    EncodingPojo encodingPojo = new EncodingPojo();
    encodingPojo.someList = new ArrayList<>();
    encodingPojo.someList.add("string1");
    encodingPojo.someList.add("string2");
    encodingPojo.someList.add("string3");


    StringWriter stringWriter = new StringWriter();
    JsonWriter writer = new JsonWriter(stringWriter, new JsonWriterSettings(true));
    encodingPojoCodec.encode(writer, encodingPojo, EncoderContext.builder().build());
    System.out.println(stringWriter.toString());

    DecodingPojo decodingPojo = decodingPojoCodec.decode(new JsonReader(stringWriter.toString()), DecoderContext.builder().build());
    Assert.assertNotNull(decodingPojo.someList);
    assertThat(decodingPojo.someList, instanceOf(ListOfStrings.class));
}
 

import org.bson.json.JsonWriterSettings; //导入依赖的package包/类
@Test
public void reorderingDocumentTest() {
    Document document = new Document();
    document.stringProperty = "a nice string";
    document.datProperty = new Date();

    MongoCollection<Document> documentMongoCollection = mongoClient.getDatabase("test").getCollection("documents").withDocumentClass(Document.class);

    documentMongoCollection.insertOne(document);

    Document readDocument = documentMongoCollection.find(Filters.eq("_id", document.getMeta().getId())).first();

    Assert.assertEquals(document, readDocument);

    Codec<Document> documentCodec = codecRegistry.get(Document.class);
    StringWriter stringWriter = new StringWriter();
    JsonWriter writer = new JsonWriter(stringWriter, new JsonWriterSettings(true));
    documentCodec.encode(writer, document, EncoderContext.builder().build());
    LOGGER.info("The encoded json looks like: {}", stringWriter);

}
 

import org.bson.json.JsonWriterSettings; //导入依赖的package包/类
@Test
public void basicTest() {
    BasePojo basePojo = new BasePojo();
    basePojo.aString = STRING;

    Codec<BasePojo> primitivePojoCodec = codecRegistry.get(BasePojo.class);

    StringWriter stringWriter = new StringWriter();
    JsonWriter writer = new JsonWriter(stringWriter, new JsonWriterSettings(true));
    primitivePojoCodec.encode(writer, basePojo, EncoderContext.builder().build());
    LOGGER.info("The encoded json looks like: {}", stringWriter);

    BasePojo readBasePojo = primitivePojoCodec.decode(new JsonReader(stringWriter.toString()), DecoderContext.builder().build());
    // assert that the modified version was actually written to the database
    Assert.assertEquals(basePojo, readBasePojo);
    Assert.assertEquals(MODIFIED_STRING, readBasePojo.aString);
}
 

import org.bson.json.JsonWriterSettings; //导入依赖的package包/类
@Test
public void testEnums() {
    Codec<Pojo> pojoCodec = codecRegistry.get(Pojo.class);

    LovelyDisplayable lovelyDisplayable = LovelyDisplayable.builder().identityProperty("foo").build();

    Pojo pojo = Pojo.builder()
            .simpleEnumProperty(EnumA.TYPE1)
            .displayable(Arrays.asList(EnumB.TYPE1, EnumA.TYPE1, EnumA.TYPE3, lovelyDisplayable))
            .build();

    StringWriter stringWriter = new StringWriter();
    JsonWriter writer = new JsonWriter(stringWriter, new JsonWriterSettings(true));
    pojoCodec.encode(writer, pojo, EncoderContext.builder().build());
    System.out.println(stringWriter.toString());

    Pojo decodedPojo = pojoCodec.decode(new JsonReader(stringWriter.toString()), DecoderContext.builder().build());

    MatcherAssert.assertThat(decodedPojo.getDisplayable(),
            IsIterableContainingInOrder.contains(EnumB.TYPE1, EnumA.TYPE1, EnumA.TYPE3, lovelyDisplayable));

}
 

import org.bson.json.JsonWriterSettings; //导入依赖的package包/类
@Test
public void testDifferentTypes() {
    Codec<Pojo> pojoCodec = codecRegistry.get(Pojo.class);

    CustomType<String> customTypeString = new CustomType("A custom string type");
    String[] strings = {"a", "nice", "list", "of", "strings"};
    customTypeString.addAll(Arrays.asList(strings));
    customTypeString.setInnerType(new InnerType<>("String value"));


    CustomType<Integer> customTypeInteger = new CustomType("A custom integer type");
    Integer[] integers = {1, 42, 66, 89};
    customTypeInteger.addAll(Arrays.asList(integers));
    customTypeInteger.setInnerType(new InnerType<>(11234567));


    String[] stringsForSet = {"Tee", "Brot", "Butter"};
    Pojo pojo = Pojo.builder()
            .customTypeString(customTypeString)
            .customTypeInteger(customTypeInteger)
            .name("aName")
            .strings(new HashSet<>(Arrays.asList(stringsForSet)))
            .build();

    StringWriter stringWriter = new StringWriter();
    JsonWriter writer = new JsonWriter(stringWriter, new JsonWriterSettings(true));
    pojoCodec.encode(writer, pojo, EncoderContext.builder().build());
    System.out.println(stringWriter.toString());

    Pojo decodedPojo = pojoCodec.decode(new JsonReader(stringWriter.toString()), DecoderContext.builder().build());

    System.out.println(decodedPojo);

    Assert.assertNotNull(decodedPojo);
    MatcherAssert.assertThat(decodedPojo.getCustomTypeString(), CoreMatchers.hasItems(strings));
    MatcherAssert.assertThat(decodedPojo.getCustomTypeInteger(), CoreMatchers.hasItems(integers));
    MatcherAssert.assertThat(decodedPojo.getStrings(), CoreMatchers.hasItems(stringsForSet));
}
 

import org.bson.json.JsonWriterSettings; //导入依赖的package包/类
@Test
public void basicTest() throws JSONException {
    BasePojo basePojo = new BasePojo();

    basePojo.encodeNullsFalseDecodeUndefined_CODEC = null; // encode to undefined
    basePojo.encodeNullsFalseDecodeUndefined_KEEP_POJO_DEFAULT = null; // encode with null value set
    basePojo.encodeNullsShouldDecodeToNull = null; // encode with null value set

    Codec<BasePojo> primitivePojoCodec = codecRegistry.get(BasePojo.class);

    StringWriter stringWriter = new StringWriter();
    JsonWriter writer = new JsonWriter(stringWriter, new JsonWriterSettings(true));
    primitivePojoCodec.encode(writer, basePojo, EncoderContext.builder().build());
    LOGGER.info("The encoded json looks like: {}", stringWriter);

    BasePojo readBasePojo = primitivePojoCodec.decode(new JsonReader(stringWriter.toString()), DecoderContext.builder().build());

    JSONAssert.assertEquals(stringWriter.toString(), "{\n" +
            "  \"encodeNullsTrue\" : null,\n" +
            "  \"encodeNullHandlingStrategy_CODEC\" : [],\n" +
            "  \"encodeNullsShouldDecodeToNull\" : null\n" +
            "}", true);


    Assert.assertNull(readBasePojo.encodeNullsFalse);
    Assert.assertNull(readBasePojo.aString);
    Assert.assertNull(readBasePojo.encodeNullsTrue);

    MatcherAssert.assertThat(readBasePojo.encodeNullHandlingStrategy_CODEC, empty());
    MatcherAssert.assertThat(readBasePojo.encodeNullsFalseDecodeUndefined_CODEC, empty());
    Assert.assertEquals(readBasePojo.encodeNullsFalseDecodeUndefined_KEEP_POJO_DEFAULT, Arrays.asList(new PojoProperty()));
    Assert.assertNull(readBasePojo.encodeNullsShouldDecodeToNull);
}
 

import org.bson.json.JsonWriterSettings; //导入依赖的package包/类
@Test
public void genericTest() {
    IntegerType integerType = new IntegerType();
    integerType.anyType = INTEGER;

    Codec<IntegerType> integerTypeCodec = codecRegistry.get(IntegerType.class);
    StringWriter stringWriter = new StringWriter();
    JsonWriter writer = new JsonWriter(stringWriter, new JsonWriterSettings(true));
    integerTypeCodec.encode(writer, integerType, EncoderContext.builder().build());
    LOGGER.info("The encoded json looks like: {}", stringWriter);
    IntegerType readIntegerType = integerTypeCodec.decode(new JsonReader(stringWriter.toString()), DecoderContext.builder().build());

    Assert.assertEquals(integerType, readIntegerType);

}
 

import org.bson.json.JsonWriterSettings; //导入依赖的package包/类
@Override
public String writeAsJsonStr(Object object) {
    if (object == null) {
        return null;
    }
    StringWriter writer = new StringWriter();
    JsonWriterSettings jsonWriterSettings = bsonMapperConfig.getJsonWriterSettings();
    BsonWriter bsonWriter = new JsonWriter(writer, jsonWriterSettings == null ? new JsonWriterSettings() : jsonWriterSettings);
    BsonValueConverterRepertory.getBsonDocumentConverter().encode(bsonWriter, object);
    return writer.toString();
}
 

import org.bson.json.JsonWriterSettings; //导入依赖的package包/类
@Override
public Object execute() throws Exception {

    MongoDatabase adminDatabase = mongoService.getMongoClient().getDatabase(database);
    //MongoCollection mongoCollection = adminDatabase.getCollection(collection);
    Document document = adminDatabase.runCommand(new Document("collStats", collection));
    System.out.println(document.toJson(new JsonWriterSettings(true)));

    return null;
}
 

import org.bson.json.JsonWriterSettings; //导入依赖的package包/类
@Override
public Object execute() throws Exception {

    MongoDatabase adminDatabase = mongoService.getMongoClient().getDatabase(database);
    Document document = adminDatabase.runCommand(new Document("dbStats", 1));
    System.out.println(document.toJson(new JsonWriterSettings(true)));

    return null;
}
 

import org.bson.json.JsonWriterSettings; //导入依赖的package包/类
@Override
public Object execute() throws Exception {

    MongoDatabase adminDatabase = mongoService.getMongoClient().getDatabase("admin");
    Document document = adminDatabase.runCommand(new Document("serverStatus", 1));
    System.out.println(document.toJson(new JsonWriterSettings(true)));

    return null;
}
 

import org.bson.json.JsonWriterSettings; //导入依赖的package包/类
public Document loadDocument(Long documentId, boolean forUpdate)
        throws SQLException {
    String query = "select CREATE_DT, MODIFY_DT, DOCUMENT_TYPE, OWNER_TYPE, OWNER_ID " +
        "from DOCUMENT where DOCUMENT_ID = ?" + (forUpdate ? " for update" : "");
    ResultSet rs = db.runSelect(query, documentId);
    if (rs.next()) {
        Document vo = new Document();
        vo.setDocumentId(documentId);
        vo.setCreateDate(rs.getTimestamp("CREATE_DT"));
        vo.setModifyDate(rs.getTimestamp("MODIFY_DT"));
        vo.setDocumentType(rs.getString("DOCUMENT_TYPE"));
        vo.setOwnerType(rs.getString("OWNER_TYPE"));
        vo.setOwnerId(rs.getLong("OWNER_ID"));
        boolean foundInMongo = false;
        if (DatabaseAccess.getMongoDb() != null) {
            CodeTimer timer = new CodeTimer("Load mongodb doc", true);
            MongoCollection<org.bson.Document> mongoCollection = DatabaseAccess.getMongoDb().getCollection(vo.getOwnerType());
            org.bson.Document mongoQuery = new org.bson.Document("document_id", vo.getDocumentId());
            org.bson.Document c = mongoCollection.find(mongoQuery).limit(1).projection(fields(include("CONTENT","isJSON"), excludeId())).first();
            if (c != null) {
                if (c.getBoolean("isJSON", false))
                    vo.setContent(DatabaseAccess.decodeMongoDoc(c.get("CONTENT", org.bson.Document.class)).toJson(new JsonWriterSettings(true)));
                else
                    vo.setContent(c.getString("CONTENT"));
                foundInMongo = true;
            }
            timer.stopAndLogTiming(null);
        }
        if (!foundInMongo) {
            query = "select CONTENT from DOCUMENT_CONTENT where DOCUMENT_ID = ?";
            rs = db.runSelect(query, documentId);
            if (rs.next())
                vo.setContent(rs.getString("CONTENT"));
        }
        return vo;
    }
    else {
        throw new SQLException("Document with ID " + documentId + " does not exist");
    }
}
 

import org.bson.json.JsonWriterSettings; //导入依赖的package包/类
@Test
void encode() throws IOException {
    assertEquals(Sets.newHashSet(TestEntityChild.TestEnum.class), builder.enumCodecFields.keySet());

    StringWriter writer = new StringWriter();
    TestEntity entity = new TestEntity();
    entity.id = new ObjectId("5627b47d54b92d03adb9e9cf");
    entity.booleanField = true;
    entity.longField = 325L;
    entity.stringField = "string";
    entity.zonedDateTimeField = ZonedDateTime.of(LocalDateTime.of(2016, 9, 1, 11, 0, 0), ZoneId.of("America/New_York"));
    entity.child = new TestEntityChild();
    entity.child.enumField = TestEntityChild.TestEnum.ITEM1;
    entity.child.enumListField = Lists.newArrayList(TestEntityChild.TestEnum.ITEM2);
    entity.listField = Lists.newArrayList("V1", "V2");
    entity.mapField = Maps.newHashMap();
    entity.mapField.put("K1", "V1");
    entity.mapField.put("K2", "V2");

    encoder.encode(new JsonWriter(writer, JsonWriterSettings.builder().indent(true).build()), entity);

    ObjectMapper mapper = new ObjectMapper();
    JsonNode expectedEntityNode = mapper.readTree(ClasspathResources.text("mongo-test/entity.json"));
    JsonNode entityNode = mapper.readTree(writer.toString());

    assertEquals(expectedEntityNode, entityNode);
}
 

import org.bson.json.JsonWriterSettings; //导入依赖的package包/类
public JsonWriter(final Writer writer, final JsonWriterSettings settings) {
	super(writer, settings);
	this.settings = settings;
	if (settings.getOutputMode().equals(JsonMode.SHELL))
		throw new IllegalArgumentException("JsonMode must not be SHELL");
	setContext(new Context(null, BsonContextType.TOP_LEVEL, ""));
}
 

import org.bson.json.JsonWriterSettings; //导入依赖的package包/类
@Override
public String generateResponse(MetricRegistry registry) throws IOException {
    BsonDocument document = MetricsJsonGenerator.generateMetricsBson(registry, TimeUnit.SECONDS, TimeUnit.MILLISECONDS);
    return document.toJson(
            JsonWriterSettings.builder().outputMode(JsonMode.RELAXED).indent(true).build()
    );
}