package com.ice.utils;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Map;
import org.codehaus.jackson.JsonGenerationException;
import org.codehaus.jackson.JsonParseException;
import org.codehaus.jackson.map.DeserializationConfig.Feature;
import org.codehaus.jackson.map.JsonMappingException;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
import org.codehaus.jackson.type.TypeReference;
/**
* JSON的工具类
*
* <h3>Here is an example:</h3>
*
* <pre>
* // 将json通过类型转换成对象
* {@link JsonUtil JsonUtil}.fromJson("{\"username\":\"username\", \"password\":\"password\"}", User.class);
* </pre>
* <hr />
* <pre>
* // 传入转换的引用类型
* {@link JsonUtil JsonUtil}.fromJson("[{\"username\":\"username\", \"password\":\"password\"}, {\"username\":\"username\", \"password\":\"password\"}]", new TypeReference<List<User>>);
* </pre>
* <hr />
* <pre>
* // 将对象转换成json
* {@link JsonUtil JsonUtil}.toJson(user);
* </pre>
* <hr />
* <pre>
* // 将对象转换成json, 可以设置输出属性
* {@link JsonUtil JsonUtil}.toJson(user, {@link Inclusion Inclusion.ALWAYS});
* </pre>
* <hr />
* <pre>
* // 将对象转换成json, 传入配置对象
* {@link ObjectMapper ObjectMapper} mapper = new ObjectMapper();
* mapper.setSerializationInclusion({@link Inclusion Inclusion.ALWAYS});
* mapper.configure({@link Feature Feature.FAIL_ON_UNKNOWN_PROPERTIES}, false);
* mapper.configure({@link Feature Feature.FAIL_ON_NUMBERS_FOR_ENUMS}, true);
* mapper.setDateFormat(new {@link SimpleDateFormat SimpleDateFormat}("yyyy-MM-dd HH:mm:ss"));
* {@link JsonUtil JsonUtil}.toJson(user, mapper);
* </pre>
* <hr />
* <pre>
* // 获取Mapper对象
* {@link JsonUtil JsonUtil}.mapper();
* </pre>
*
* @see JsonUtil JsonUtil
* @see Feature Feature
* @see ObjectMapper ObjectMapper
* @see Inclusion Inclusion
* @see IOException IOException
* @see SimpleDateFormat SimpleDateFormat
*
*/
@SuppressWarnings("unchecked")
public final class JsonUtils {
private static ObjectMapper MAPPER;
static {
MAPPER = generateMapper(Inclusion.NON_NULL);
}
private JsonUtils() {
}
/**
* 将json通过类型转换成对象
* <pre>
* {@link JsonUtil JsonUtil}.fromJson("{\"username\":\"username\", \"password\":\"password\"}", User.class);
* </pre>
*
* @param json json字符串
* @param clazz 泛型类型
* @return 返回对象
* @throws IOException
*/
public static <T> T fromJson(String json, Class<T> clazz){
try {
return clazz.equals(String.class) ? (T) json : MAPPER.readValue(json, clazz);
} catch (JsonParseException e) {
e.printStackTrace();
} catch (JsonMappingException e) {
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
/**
* 将json通过类型转换成对象
*
* <pre>
* {@link JsonUtil JsonUtil}.fromJson("[{\"username\":\"username\", \"password\":\"password\"}, {\"username\":\"username\", \"password\":\"password\"}]", new TypeReference<List<User>>);
* </pre>
*
* @param json json字符串
* @param typeReference 引用类型
* @return 返回对象
* @throws IOException
*/
public static <T> T fromJson(String json, TypeReference<?> typeReference) {
try {
return (T) (typeReference.getType().equals(String.class) ? json : MAPPER.readValue(json, typeReference));
} catch ( IOException e) {
e.printStackTrace();
}
return null;
}
/**
* 将对象转换成json
*
* <pre>
* {@link JsonUtil JsonUtil}.toJson(user);
* </pre>
*
* @param src 对象
* @return 返回json字符串
* @throws IOException
*/
public static <T> String toJson(T src){
try {
return src instanceof String ? (String) src : MAPPER.writeValueAsString(src);
} catch (JsonGenerationException e) {
e.printStackTrace();
} catch (JsonMappingException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
/**
* 将对象转换成json, 可以设置输出属性
*
* <pre>
* {@link JsonUtil JsonUtil}.toJson(user, {@link Inclusion Inclusion.ALWAYS});
* </pre>
*
* {@link Inclusion Inclusion 对象枚举}
* <ul>
* <li>{@link Inclusion Inclusion.ALWAYS 全部列入}</li>
* <li>{@link Inclusion Inclusion.NON_DEFAULT 字段和对象默认值相同的时候不会列入}</li>
* <li>{@link Inclusion Inclusion.NON_EMPTY 字段为NULL或者""的时候不会列入}</li>
* <li>{@link Inclusion Inclusion.NON_NULL 字段为NULL时候不会列入}</li>
* </ul>
*
* @param src 对象
* @param inclusion 传入一个枚举值, 设置输出属性
* @return 返回json字符串
* @throws IOException
*/
public static <T> String toJson(T src, Inclusion inclusion) throws IOException {
if (src instanceof String) {
return (String) src;
} else {
ObjectMapper customMapper = generateMapper(inclusion);
return customMapper.writeValueAsString(src);
}
}
/**
* 将对象转换成json, 传入配置对象
*
* <pre>
* {@link ObjectMapper ObjectMapper} mapper = new ObjectMapper();
* mapper.setSerializationInclusion({@link Inclusion Inclusion.ALWAYS});
* mapper.configure({@link Feature Feature.FAIL_ON_UNKNOWN_PROPERTIES}, false);
* mapper.configure({@link Feature Feature.FAIL_ON_NUMBERS_FOR_ENUMS}, true);
* mapper.setDateFormat(new {@link SimpleDateFormat SimpleDateFormat}("yyyy-MM-dd HH:mm:ss"));
* {@link JsonUtil JsonUtil}.toJson(user, mapper);
* </pre>
*
* {@link ObjectMapper ObjectMapper}
*
* @see ObjectMapper
*
* @param src 对象
* @param mapper 配置对象
* @return 返回json字符串
* @throws IOException
*/
public static <T> String toJson(T src, ObjectMapper mapper) throws IOException {
if (null != mapper) {
if (src instanceof String) {
return (String) src;
} else {
return mapper.writeValueAsString(src);
}
} else {
return null;
}
}
/**
* 将对象转换成map, 传入配置对象
*
* <pre>
* {@link ObjectMapper ObjectMapper} mapper = new ObjectMapper();
* mapper.setSerializationInclusion({@link Inclusion Inclusion.ALWAYS});
* mapper.configure({@link Feature Feature.FAIL_ON_UNKNOWN_PROPERTIES}, false);
* mapper.configure({@link Feature Feature.FAIL_ON_NUMBERS_FOR_ENUMS}, true);
* mapper.setDateFormat(new {@link SimpleDateFormat SimpleDateFormat}("yyyy-MM-dd HH:mm:ss"));
* {@link JsonUtil JsonUtil}.toJson(user, mapper);
* </pre>
*
* {@link ObjectMapper ObjectMapper}
* @param <T>
*
* @see ObjectMapper
*
* @param src 对象
* @param mapper 配置对象
* @return 返回map
* @throws IOException
*/
public static Map<String, Object> toMap(String src) throws IOException {
Map<String, Object> map = mapper().readValue(src, Map.class);
return map;
}
/**
* 返回{@link ObjectMapper ObjectMapper}对象, 用于定制性的操作
*
* @return {@link ObjectMapper ObjectMapper}对象
*/
public static ObjectMapper mapper() {
icewebservice框架
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2014-09-29
14:13:57
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收藏 192KB ZIP 举报 
icewebservice框架 （157个子文件） 
IceBuilder.class 8KB Dispatcher.class 7KB DispatchRouter.class 6KB IceRequestContext.class 6KB JsonUtils.class 5KB IceContext$1.class 4KB SignUtils.class 4KB RequestUtil.class 3KB IceContext.class 3KB UserWebService.class 3KB ServiceMethodHandler.class 3KB DispatchRouter$ServiceRunnable.class 3KB UserTest.class 2KB IceServlet.class 2KB ParametersError.class 2KB IceSession.class 2KB XmlUitls.class 2KB ServiceMethodValue.class 2KB ResponseUtil.class 2KB InvokeServiceImpl.class 2KB IceErrorResponse.class 2KB ActionError.class 2KB MaxSourcesError.class 1KB TimestampError.class 1KB AppKeyError.class 1KB MehodError.class 1KB SessionError.class 1KB ObsoletedError.class 1KB ExecuteError.class 1KB SignError.class 1KB TimeoutError.class 1KB IceBuilder$2.class 1KB AppKeyServiceImpl.class 1KB HttpAction.class 1KB ObsoletedType.class 1KB SessionType.class 1KB SessionServiceImpl.class 1KB SignType.class 1KB IceContext$2.class 1KB IceResponse.class 1KB IceBuilder$1.class 1KB ServiceMethod.class 1010B AbstracetIceRequest.class 893B LoginRequest.class 880B SystemParameterNames.class 852B SystemValue.class 843B IceException.class 803B ErrorType.class 748B WebService.class 477B Session.class 443B NoSign.class 435B Temporary.class 429B InvokeService.class 396B Router.class 333B BaseRequest.class 319B SessionService.class 267B AppKeyService.class 265B IceRequest.class 260B .classpath 1KB .classpath 1KB .classpath 123B org.eclipse.wst.common.component 897B org.eclipse.wst.common.component 246B org.eclipse.wst.jsdt.ui.superType.container 49B
file.html 586B file.html 586B
ice.jar 55KB JsonUtils.java 9KB IceBuilder.java 8KB Dispatcher.java 7KB DispatchRouter.java 6KB IceContext.java 5KB IceRequestContext.java 5KB RequestUtil.java 2KB SignUtils.java 2KB UserWebService.java 2KB ServiceMethodHandler.java 2KB UserTest.java 2KB ServiceMethodValue.java 2KB IceServlet.java 2KB ServiceMethod.java 1KB ResponseUtil.java 1KB ParametersError.java 1KB XmlUitls.java 1KB IceErrorResponse.java 1KB SystemValue.java 1KB MaxSourcesError.java 1022B ErrorType.java 1001B ActionError.java 996B InvokeServiceImpl.java 996B IceSession.java 933B ExecuteError.java 927B TimeoutError.java 911B TimestampError.java 911B AppKeyError.java 906B SystemParameterNames.java 906B MehodError.java 895B SessionError.java 887B ObsoletedError.java 885B SignError.java 874B共 157 条
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资源评论
liu2010dn2017-01-23资源可用，感谢！！！！- fei02152018-01-23有帮助，非常感谢
