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A general programming library in Java/Android. It's easy to learn and simple to use with concise and powerful APIs.
/*
* Copyright (C) 2016 HaiYang Li
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package com.landawn.abacus.parser;
import java.io.File;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.Reader;
import java.io.Writer;
import java.lang.reflect.Type;
import java.util.Locale;
import java.util.TimeZone;
import com.alibaba.fastjson.TypeReference;
import com.alibaba.fastjson.parser.Feature;
import com.alibaba.fastjson.parser.ParserConfig;
import com.alibaba.fastjson.parser.deserializer.FieldDeserializer;
import com.alibaba.fastjson.parser.deserializer.ObjectDeserializer;
import com.alibaba.fastjson.parser.deserializer.ParseProcess;
import com.alibaba.fastjson.serializer.JSONSerializer;
import com.alibaba.fastjson.serializer.SerializeFilter;
import com.alibaba.fastjson.serializer.SerializeWriter;
import com.alibaba.fastjson.serializer.SerializerFeature;
import com.alibaba.fastjson.util.FieldInfo;
import com.alibaba.fastjson.util.JavaBeanInfo;
import com.landawn.abacus.util.IOUtil;
import com.landawn.abacus.util.N;
/**
* It's a wrapper for fastJson because of it's performance.
*
* @author Haiyang Li
* @since 0.8
*/
public final class Fj {
public static final TimeZone DEFAULT_TIME_ZONE = com.alibaba.fastjson.JSON.defaultTimeZone;
public static final Locale DFAULT_LOCAL = com.alibaba.fastjson.JSON.defaultLocale;
public static final String DEFAULT_TYPE_KEY = com.alibaba.fastjson.JSON.DEFAULT_TYPE_KEY;
public static final String DEFFAULT_DATE_FORMAT = com.alibaba.fastjson.JSON.DEFFAULT_DATE_FORMAT;
public static final int DEFAULT_SERIALIZE_FEATURE;
static {
int features = 0;
features |= SerializerFeature.QuoteFieldNames.getMask();
features |= SerializerFeature.SkipTransientField.getMask();
features |= SerializerFeature.WriteEnumUsingName.getMask();
// features |= SerializerFeature.SortField.getMask();
DEFAULT_SERIALIZE_FEATURE = features;
}
public static final int DEFAULT_DESERIALIZE_FEATURE;
static {
int features = 0;
features |= Feature.AutoCloseSource.getMask();
features |= Feature.InternFieldNames.getMask();
features |= Feature.UseBigDecimal.getMask();
features |= Feature.AllowUnQuotedFieldNames.getMask();
features |= Feature.AllowSingleQuotes.getMask();
features |= Feature.AllowArbitraryCommas.getMask();
features |= Feature.SortFeidFastMatch.getMask();
features |= Feature.IgnoreNotMatch.getMask();
DEFAULT_DESERIALIZE_FEATURE = features;
}
static final SerializeFilter[] emptyFilters = new SerializeFilter[0];
static final SerializerFeature[] emptySerializerFeatures = new SerializerFeature[0];
static final Feature[] emptyFeatures = new Feature[0];
private Fj() {
// singleton
}
/**
*
* @param srcObject
* @return
*/
public static String toJSON(Object srcObject) {
return com.alibaba.fastjson.JSON.toJSONString(srcObject, DEFAULT_SERIALIZE_FEATURE);
}
/**
*
* @param srcObject
* @param config
* @return
*/
public static String toJSON(Object srcObject, SerializeConfig config) {
com.alibaba.fastjson.serializer.SerializeConfig seriConfig = SerializeConfig.globalInstance;
SerializeFilter[] filters = emptyFilters;
String dateFormat = Fj.DEFFAULT_DATE_FORMAT;
int defaultFeatures = Fj.DEFAULT_SERIALIZE_FEATURE;
SerializerFeature[] features = emptySerializerFeatures;
if (config != null) {
seriConfig = config.seriConfig;
filters = config.getFilters();
dateFormat = config.getDateformat();
defaultFeatures = config.getDefaultFeatures();
features = config.getFeatures();
}
if (seriConfig == null) {
seriConfig = SerializeConfig.globalInstance;
}
if (filters == null) {
filters = emptyFilters;
}
if (features == null) {
features = emptySerializerFeatures;
}
return com.alibaba.fastjson.JSON.toJSONString(srcObject, seriConfig, filters, dateFormat, defaultFeatures, features);
}
/**
*
* @param output
* @param srcObject
*/
public static void toJSON(File output, Object srcObject) {
toJSON(output, srcObject, null);
}
/**
*
* @param output
* @param srcObject
* @param config
*/
public static void toJSON(File output, Object srcObject, SerializeConfig config) {
IOUtil.createIfNotExists(output);
final Writer writer = IOUtil.newBufferedWriter(output);
try {
toJSON(writer, srcObject, config);
} finally {
IOUtil.closeQuietly(writer);
}
}
/**
*
* @param output
* @param srcObject
*/
public static void toJSON(OutputStream output, Object srcObject) {
toJSON(output, srcObject, null);
}
/**
*
* @param output
* @param srcObject
* @param config
*/
public static void toJSON(OutputStream output, Object srcObject, SerializeConfig config) {
final Writer writer = IOUtil.newBufferedWriter(output);
try {
toJSON(writer, srcObject, config);
} finally {
// IOUtil.closeQuietly(writer);
}
}
/**
*
* @param output
* @param srcObject
*/
public static void toJSON(Writer output, Object srcObject) {
toJSON(output, srcObject, null);
}
/**
*
* @param output
* @param srcObject
* @param config
*/
public static void toJSON(Writer output, Object srcObject, SerializeConfig config) {
com.alibaba.fastjson.serializer.SerializeConfig seriConfig = SerializeConfig.globalInstance;
SerializeFilter[] filters = emptyFilters;
String dateFormat = Fj.DEFFAULT_DATE_FORMAT;
int defaultFeatures = Fj.DEFAULT_SERIALIZE_FEATURE;
SerializerFeature[] features = emptySerializerFeatures;
if (config != null) {
seriConfig = config.seriConfig;
filters = config.getFilters();
dateFormat = config.getDateformat();
defaultFeatures = config.getDefaultFeatures();
features = config.getFeatures();
}
if (seriConfig == null) {
seriConfig = SerializeConfig.globalInstance;
}
if (filters == null) {
filters = emptyFilters;
}
if (features == null) {
features = emptySerializerFeatures;
}
final SerializeWriter writer = new SerializeWriter(output, defaultFeatures, features);
try {
final JSONSerializer serializer = new JSONSerializer(writer, seriConfig);
if (N.notNullOrEmpty(dateFormat)) {
serializer.setDateFormat(dateFormat);
serializer.config(SerializerFeature.WriteDateUseDateFormat, true);
}
if (N.notNullOrEmpty(filters)) {
for (SerializeFilter filter : filters) {
serializer.addFilter(filter);
}
}
serializer.write(srcObject);
} finally {
writer.close();
}
}
/**
*
* @param
* @param targetType
* @param json
* @return
*/
public static T fromJSON(Class targetType, String json) {
return fromJSON(targetType, json, null);
}
/**
*
* @param
* @param targetType
* @param json
* @param config
* @return
*/
public static T fromJSON(Class targetType, String json, DeserializeConfig config) {
ParserConfig parseConfig = DeserializeConfig.globalInstance;
ParseProcess processor = null;
int featureValues = Fj.DEFAULT_DESERIALIZE_FEATURE;
Feature[] features = emptyFeatures;
if (config != null) {
parseConfig = config.parserConfig;
processor = config.getParseProcess();
featureValues = config.getFeatureValues();
features = config.getFeatures();
}
if (parseConfig == null) {
parseConfig = DeserializeConfig.globalInstance;
}
if (features == null) {
features = emptyFeatures;
}
return com.alibaba.fastjson.JSON.parseObject(json, targetType, parseConfig, processor, featureValues, features);
}
/**
*
* @param
* @param targetType
* @param json
* @return
*/
public static T fromJSON(Class targetType, File json) {
return fromJSON(targetType, json, null);
}
/**
*
* @param
* @param targetType
* @param json
* @param config
* @return
*/
public static T fromJSON(Class targetType, File json, DeserializeConfig config) {
final Reader reader = IOUtil.newBufferedReader(json);
try {
return fromJSON(targetType, reader, config);
} finally {
IOUtil.closeQuietly(reader);
}
}
/**
*
* @param
* @param targetType
* @param json
* @return
*/
public static T fromJSON(Class targetType, InputStream json) {
return fromJSON(targetType, json, null);
}
/**
*
* @param
* @param targetType
* @param json
* @param config
* @return
*/
public static T fromJSON(Class targetType, InputStream json, DeserializeConfig config) {
final Reader reader = IOUtil.newBufferedReader(json);
try {
return fromJSON(targetType, reader, config);
} finally {
// IOUtil.closeQuietly(reader);
}
}
/**
*
* @param
* @param targetType
* @param json
* @return
*/
public static T fromJSON(Class targetType, Reader json) {
return fromJSON(targetType, json, null);
}
/**
*
* @param
* @param targetType
* @param json
* @param config
* @return
*/
public static T fromJSON(Class targetType, Reader json, DeserializeConfig config) {
return fromJSON(targetType, IOUtil.readString(json), config);
}
/**
*
* @param
* @param targetType
* @param json
* @return
*/
public static T fromJSON(TypeReference targetType, String json) {
return fromJSON(targetType, json, null);
}
/**
*
* @param
* @param targetType
* @param json
* @param config
* @return
*/
public static T fromJSON(TypeReference targetType, String json, DeserializeConfig config) {
ParserConfig parseConfig = DeserializeConfig.globalInstance;
ParseProcess processor = null;
int featureValues = Fj.DEFAULT_DESERIALIZE_FEATURE;
Feature[] features = emptyFeatures;
if (config != null) {
parseConfig = config.parserConfig;
processor = config.getParseProcess();
featureValues = config.getFeatureValues();
features = config.getFeatures();
}
if (parseConfig == null) {
parseConfig = DeserializeConfig.globalInstance;
}
if (features == null) {
features = emptyFeatures;
}
return com.alibaba.fastjson.JSON.parseObject(json, targetType.getType(), parseConfig, processor, featureValues, features);
}
/**
*
* @param
* @param targetType
* @param json
* @return
*/
public static T fromJSON(TypeReference targetType, File json) {
return fromJSON(targetType, json, null);
}
/**
*
* @param
* @param targetType
* @param json
* @param config
* @return
*/
public static T fromJSON(TypeReference targetType, File json, DeserializeConfig config) {
final Reader reader = IOUtil.newBufferedReader(json);
try {
return fromJSON(targetType, reader, config);
} finally {
IOUtil.closeQuietly(reader);
}
}
/**
*
* @param
* @param targetType
* @param json
* @return
*/
public static T fromJSON(TypeReference targetType, InputStream json) {
return fromJSON(targetType, json, null);
}
/**
*
* @param
* @param targetType
* @param json
* @param config
* @return
*/
public static T fromJSON(TypeReference targetType, InputStream json, DeserializeConfig config) {
final Reader reader = IOUtil.newBufferedReader(json);
try {
return fromJSON(targetType, reader, config);
} finally {
// IOUtil.closeQuietly(reader);
}
}
/**
*
* @param
* @param targetType
* @param json
* @return
*/
public static T fromJSON(TypeReference targetType, Reader json) {
return fromJSON(targetType, json, null);
}
/**
*
* @param
* @param targetType
* @param json
* @param config
* @return
*/
public static T fromJSON(TypeReference targetType, Reader json, DeserializeConfig config) {
return fromJSON(targetType, IOUtil.readString(json), config);
}
/**
* The Class SerializeConfig.
*/
public static class SerializeConfig {
/** The Constant globalInstance. */
static final com.alibaba.fastjson.serializer.SerializeConfig globalInstance = com.alibaba.fastjson.serializer.SerializeConfig.getGlobalInstance();
/** The seri config. */
private com.alibaba.fastjson.serializer.SerializeConfig seriConfig = null;
/** The filters. */
private SerializeFilter[] filters = Fj.emptyFilters;
/** The date format. */
private String dateFormat = Fj.DEFFAULT_DATE_FORMAT;
/** The default features. */
private int defaultFeatures = Fj.DEFAULT_SERIALIZE_FEATURE;
/** The features. */
private SerializerFeature[] features = Fj.emptySerializerFeatures;
/**
* Instantiates a new serialize config.
*/
SerializeConfig() {
}
/**
* Instantiates a new serialize config.
*
* @param seriConfig
*/
SerializeConfig(com.alibaba.fastjson.serializer.SerializeConfig seriConfig) {
this.seriConfig = seriConfig;
}
/**
* Checks if is asm enable.
*
* @return true, if is asm enable
*/
public boolean isAsmEnable() {
return seriConfig == null ? globalInstance.isAsmEnable() : seriConfig.isAsmEnable();
}
/**
* Sets the asm enable.
*
* @param asmEnable
* @return
*/
public SerializeConfig setAsmEnable(boolean asmEnable) {
if (seriConfig == null) {
seriConfig = new com.alibaba.fastjson.serializer.SerializeConfig();
}
seriConfig.setAsmEnable(asmEnable);
return this;
}
/**
* Gets the serialize config.
*
* @return
*/
public com.alibaba.fastjson.serializer.SerializeConfig getSerializeConfig() {
if (seriConfig == null) {
seriConfig = new com.alibaba.fastjson.serializer.SerializeConfig();
}
return seriConfig;
}
/**
* Sets the serialize config.
*
* @param seriConfig
* @return
*/
public SerializeConfig setSerializeConfig(com.alibaba.fastjson.serializer.SerializeConfig seriConfig) {
this.seriConfig = seriConfig;
return this;
}
/**
* Gets the filters.
*
* @return
*/
public SerializeFilter[] getFilters() {
return this.filters;
}
/**
* Sets the filters.
*
* @param filters
* @return
*/
@SafeVarargs
public final SerializeConfig setFilters(SerializeFilter... filters) {
this.filters = filters;
return this;
}
/**
* Gets the features.
*
* @return
*/
public SerializerFeature[] getFeatures() {
return this.features;
}
/**
* Sets the features.
*
* @param features
* @return
*/
@SafeVarargs
public final SerializeConfig setFeatures(SerializerFeature... features) {
this.features = features;
return this;
}
/**
* Gets the default features.
*
* @return
*/
public int getDefaultFeatures() {
return this.defaultFeatures;
}
/**
* Sets the default features.
*
* @param defaultFeatures
* @return
*/
public SerializeConfig setDefaultFeatures(int defaultFeatures) {
this.defaultFeatures = defaultFeatures;
return this;
}
/**
* Gets the dateformat.
*
* @return
*/
public String getDateformat() {
return this.dateFormat;
}
/**
* Sets the dateformat.
*
* @param dateFormat
* @return
*/
public SerializeConfig setDateformat(String dateFormat) {
this.dateFormat = dateFormat;
return this;
}
/**
* The Class FSC.
*/
public static final class FSC {
/**
*
* @return
*/
public static SerializeConfig create() {
return new SerializeConfig();
}
/**
*
* @param seriConfig
* @return
*/
public static SerializeConfig create(com.alibaba.fastjson.serializer.SerializeConfig seriConfig) {
return new SerializeConfig(seriConfig);
}
/**
*
* @param filters
* @return
*/
@SafeVarargs
public static SerializeConfig of(SerializeFilter... filters) {
return new SerializeConfig().setFilters(filters);
}
/**
*
* @param features
* @return
*/
@SafeVarargs
public static SerializeConfig of(SerializerFeature... features) {
return new SerializeConfig().setFeatures(features);
}
}
}
/**
* The Class DeserializeConfig.
*/
public static class DeserializeConfig {
/** The Constant globalInstance. */
static final ParserConfig globalInstance = ParserConfig.getGlobalInstance();
/** The parser config. */
private ParserConfig parserConfig = null;
/** The processor. */
private ParseProcess processor;
/** The feature values. */
private int featureValues = Fj.DEFAULT_DESERIALIZE_FEATURE;
/** The features. */
private Feature[] features = Fj.emptyFeatures;
/**
* Instantiates a new deserialize config.
*/
DeserializeConfig() {
}
/**
* Instantiates a new deserialize config.
*
* @param parserConfig
*/
DeserializeConfig(ParserConfig parserConfig) {
this.parserConfig = parserConfig;
}
/**
* Creates the java bean deserializer.
*
* @param clazz
* @param type
* @return
*/
public ObjectDeserializer createJavaBeanDeserializer(Class clazz, Type type) {
return parserConfig == null ? globalInstance.createJavaBeanDeserializer(clazz, type) : parserConfig.createJavaBeanDeserializer(clazz, type);
}
/**
* Creates the field deserializer.
*
* @param mapping
* @param beanInfo
* @param fieldInfo
* @return
*/
public FieldDeserializer createFieldDeserializer(ParserConfig mapping, //
JavaBeanInfo beanInfo, //
FieldInfo fieldInfo) {
return parserConfig == null ? globalInstance.createFieldDeserializer(mapping, beanInfo, fieldInfo)
: parserConfig.createFieldDeserializer(mapping, beanInfo, fieldInfo);
}
/**
* Checks if is asm enable.
*
* @return true, if is asm enable
*/
public boolean isAsmEnable() {
return parserConfig == null ? globalInstance.isAsmEnable() : parserConfig.isAsmEnable();
}
/**
* Sets the asm enable.
*
* @param asmEnable
* @return
*/
public DeserializeConfig setAsmEnable(boolean asmEnable) {
if (parserConfig == null) {
parserConfig = new ParserConfig();
}
parserConfig.setAsmEnable(asmEnable);
return this;
}
/**
* Gets the parser config.
*
* @return
*/
public ParserConfig getParserConfig() {
if (parserConfig == null) {
parserConfig = new ParserConfig();
}
return parserConfig;
}
/**
* Sets the parser config.
*
* @param parserConfig
* @return
*/
public DeserializeConfig setParserConfig(ParserConfig parserConfig) {
this.parserConfig = parserConfig;
return this;
}
/**
* Gets the parses the process.
*
* @return
*/
public ParseProcess getParseProcess() {
return processor;
}
/**
* Sets the parse process.
*
* @param processor
* @return
*/
public DeserializeConfig setParseProcess(ParseProcess processor) {
this.processor = processor;
return this;
}
/**
* Gets the features.
*
* @return
*/
public Feature[] getFeatures() {
return this.features;
}
/**
* Sets the features.
*
* @param features
* @return
*/
@SafeVarargs
public final DeserializeConfig setFeatures(Feature... features) {
this.features = features;
return this;
}
/**
* Gets the feature values.
*
* @return
*/
public int getFeatureValues() {
return this.featureValues;
}
/**
* Sets the feature values.
*
* @param featureValues
* @return
*/
public DeserializeConfig setFeatureValues(int featureValues) {
this.featureValues = featureValues;
return this;
}
/**
* The Class FDC.
*/
public static final class FDC extends DeserializeConfig {
/**
*
* @return
*/
public static DeserializeConfig create() {
return new DeserializeConfig();
}
/**
*
* @param parserConfig
* @return
*/
public static DeserializeConfig create(ParserConfig parserConfig) {
return new DeserializeConfig(parserConfig);
}
/**
*
* @param features
* @return
*/
@SafeVarargs
public static DeserializeConfig of(Feature... features) {
return new DeserializeConfig().setFeatures(features);
}
}
}
}
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