JSONObject.get*** null的话回报JSONException，大家注意下，附以下源码，正常try catch处理即可！！
package net.sf.json;
import java.beans.PropertyDescriptor;
import java.io.IOException;
import java.io.Writer;
import java.lang.annotation.Annotation;
import java.lang.reflect.AnnotatedElement;
import java.lang.reflect.Array;
import java.lang.reflect.Field;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import net.sf.ezmorph.Morpher;
import net.sf.ezmorph.MorpherRegistry;
import net.sf.ezmorph.array.ObjectArrayMorpher;
import net.sf.ezmorph.bean.BeanMorpher;
import net.sf.ezmorph.object.IdentityObjectMorpher;
import net.sf.json.processors.DefaultValueProcessor;
import net.sf.json.processors.JsonBeanProcessor;
import net.sf.json.processors.JsonValueProcessor;
import net.sf.json.processors.JsonVerifier;
import net.sf.json.processors.PropertyNameProcessor;
import net.sf.json.regexp.RegexpMatcher;
import net.sf.json.regexp.RegexpUtils;
import net.sf.json.util.CycleDetectionStrategy;
import net.sf.json.util.EnumMorpher;
import net.sf.json.util.JSONTokener;
import net.sf.json.util.JSONUtils;
import net.sf.json.util.NewBeanInstanceStrategy;
import net.sf.json.util.PropertyFilter;
import net.sf.json.util.PropertySetStrategy;
import org.apache.commons.beanutils.DynaBean;
import org.apache.commons.beanutils.DynaClass;
import org.apache.commons.beanutils.DynaProperty;
import org.apache.commons.beanutils.PropertyUtils;
import org.apache.commons.collections.map.ListOrderedMap;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
public final class JSONObject extends AbstractJSON
implements JSON,Map,Comparable
{
private static final Log log = LogFactory.getLog(JSONObject.class);
private boolean nullObject;
private Map properties;
public static JSONObject fromObject(Object object)
{
return fromObject(object,new JsonConfig());
}
public static JSONObject fromObject(Object object,JsonConfig jsonConfig)
{
if ((object == null) || (JSONUtils.isNull(object)))
return new JSONObject(true);
if ((object instanceof Enum))
throw new JSONException("'object' is an Enum. Use JSONArray instead");
if (((object instanceof Annotation)) || ((object != null) && (object.getClass().isAnnotation())))
{
throw new JSONException("'object' is an Annotation.");
}if ((object instanceof JSONObject))
return _fromJSONObject((JSONObject)object,jsonConfig);
if ((object instanceof DynaBean))
return _fromDynaBean((DynaBean)object,jsonConfig);
if ((object instanceof JSONTokener))
return _fromJSONTokener((JSONTokener)object,jsonConfig);
if ((object instanceof JSONString))
return _fromJSONString((JSONString)object,jsonConfig);
if ((object instanceof Map))
return _fromMap((Map)object,jsonConfig);
if ((object instanceof String))
return _fromString((String)object,jsonConfig);
if ((JSONUtils.isNumber(object)) || (JSONUtils.isBoolean(object)) || (JSONUtils.isString(object)))
{
return new JSONObject();
}if (JSONUtils.isArray(object)) {
throw new JSONException("'object' is an array. Use JSONArray instead");
}
return _fromBean(object,jsonConfig);
}
public static Object toBean(JSONObject jsonObject)
{
if ((jsonObject == null) || (jsonObject.isNullObject())) {
return null;
}
DynaBean dynaBean = null;
JsonConfig jsonConfig = new JsonConfig();
Map props = JSONUtils.getProperties(jsonObject);
dynaBean = JSONUtils.newDynaBean(jsonObject,jsonConfig);
Iterator entries = jsonObject.names(jsonConfig).iterator();
while (entries.hasNext()) {
String name = (String)entries.next();
String key = JSONUtils.convertToJavaIdentifier(name,jsonConfig);
Class type = (Class)props.get(name);
Object value = jsonObject.get(name);
try {
if (!JSONUtils.isNull(value)) {
if ((value instanceof JSONArray))
dynaBean.set(key,JSONArray.toCollection((JSONArray)value));
else if ((String.class.isAssignableFrom(type)) || (Boolean.class.isAssignableFrom(type)) || (JSONUtils.isNumber(type)) || (Character.class.isAssignableFrom(type)) || (JSONFunction.class.isAssignableFrom(type)))
{
dynaBean.set(key,value);
}
else dynaBean.set(key,toBean((JSONObject)value));
}
else if (type.isPrimitive())
{
log.warn("Tried to assign null value to " + key + ":" + type.getName());
dynaBean.set(key,JSONUtils.getMorpherRegistry().morph(type,null));
}
else {
dynaBean.set(key,null);
}
}
catch (JSONException jsone) {
throw jsone;
} catch (Exception e) {
throw new JSONException("Error while setting property=" + name + " type" + type,e);
}
}
return dynaBean;
}
public static Object toBean(JSONObject jsonObject,Class beanClass)
{
JsonConfig jsonConfig = new JsonConfig();
jsonConfig.setRootClass(beanClass);
return toBean(jsonObject,jsonConfig);
}
public static Object toBean(JSONObject jsonObject,Class beanClass,Map classMap)
{
JsonConfig jsonConfig = new JsonConfig();
jsonConfig.setRootClass(beanClass);
jsonConfig.setClassMap(classMap);
return toBean(jsonObject,JsonConfig jsonConfig)
{
if ((jsonObject == null) || (jsonObject.isNullObject())) {
return null;
}
Class beanClass = jsonConfig.getRootClass();
Map classMap = jsonConfig.getClassMap();
if (beanClass == null) {
return toBean(jsonObject);
}
if (classMap == null) {
classMap = Collections.EMPTY_MAP;
}
Object bean = null;
try {
if (beanClass.isInterface()) {
if (!Map.class.isAssignableFrom(beanClass)) {
throw new JSONException("beanClass is an interface. " + beanClass);
}
bean = new HashMap();
}
else {
bean = jsonConfig.getNewBeanInstanceStrategy().newInstance(beanClass,jsonObject);
}
}
catch (JSONException jsone) {
throw jsone;
} catch (Exception e) {
throw new JSONException(e);
}
Map props = JSONUtils.getProperties(jsonObject);
PropertyFilter javaPropertyFilter = jsonConfig.getJavaPropertyFilter();
Iterator entries = jsonObject.names(jsonConfig).iterator();
while (entries.hasNext()) {
String name = (String)entries.next();
Class type = (Class)props.get(name);
Object value = jsonObject.get(name);
if ((javaPropertyFilter != null) && (javaPropertyFilter.apply(bean,name,value))) {
continue;
}
String key = (Map.class.isAssignableFrom(beanClass)) && (jsonConfig.isSkipJavaIdentifierTransformationInMapKeys()) ? name : JSONUtils.convertToJavaIdentifier(name,jsonConfig);
PropertyNameProcessor propertyNameProcessor = jsonConfig.findJavaPropertyNameProcessor(beanClass);
if (propertyNameProcessor != null)
key = propertyNameProcessor.processPropertyName(beanClass,key);
try
{
if (Map.class.isAssignableFrom(beanClass))
{
if (JSONUtils.isNull(value)) {
setProperty(bean,key,value,jsonConfig);
} else if ((value instanceof JSONArray)) {
setProperty(bean,convertPropertyValueToCollection(key,jsonConfig,classMap,List.class),jsonConfig);
}
else if ((String.class.isAssignableFrom(type)) || (JSONUtils.isBoolean(type)) || (JSONUtils.isNumber(type)) || (JSONUtils.isString(type)) || (JSONFunction.class.isAssignableFrom(type)))
{
if ((jsonConfig.isHandleJettisonEmptyElement()) && ("".equals(value)))
setProperty(bean,null,jsonConfig);
else
setProperty(bean,jsonConfig);
}
else {
Class targetClass = findTargetClass(key,classMap);
targetClass = targetClass == null ? findTargetClass(name,classMap) : targetClass;
JsonConfig jsc = jsonConfig.copy();
jsc.setRootClass(targetClass);
jsc.setClassMap(classMap);
if (targetClass != null)
setProperty(bean,toBean((JSONObject)value,jsc),toBean((JSONObject)value),jsonConfig);
}
}
else {
PropertyDescriptor pd = PropertyUtils.getPropertyDescriptor(bean,key);
if ((pd != null) && (pd.getWriteMethod() == null)) {
log.info("Property '" + key + "' of " + bean.getClass() + " has no write method. SKIPPED.");
continue;
}
if (pd != null) {
Class targetType = pd.getPropertyType();
if (!JSONUtils.isNull(value)) {
if ((value instanceof JSONArray)) {
if (List.class.isAssignableFrom(pd.getPropertyType())) {
setProperty(bean,pd.getPropertyType()),jsonConfig);
}
else if (Set.class.isAssignableFrom(pd.getPropertyType())) {
setProperty(bean,jsonConfig);
}
else {
setProperty(bean,convertPropertyValueToArray(key,targetType,classMap),jsonConfig);
}
}
else if ((String.class.isAssignableFrom(type)) || (JSONUtils.isBoolean(type)) || (JSONUtils.isNumber(type)) || (JSONUtils.isString(type)) || (JSONFunction.class.isAssignableFrom(type)))
{
if (pd != null) {
if ((jsonConfig.isHandleJettisonEmptyElement()) && ("".equals(value)))
setProperty(bean,jsonConfig);
else if (!targetType.isInstance(value)) {
setProperty(bean,morPHPropertyValue(key,type,targetType),jsonConfig);
}
else
setProperty(bean,jsonConfig);
}
else if ((beanClass == null) || ((bean instanceof Map)))
setProperty(bean,jsonConfig);
else {
log.warn("Tried to assign property " + key + ":" + type.getName() + " to bean of class " + bean.getClass().getName());
}
}
else if (jsonConfig.isHandleJettisonSingleElementArray()) {
JSONArray array = new JSONArray().element(value,jsonConfig);
Class newTargetClass = findTargetClass(key,classMap);
newTargetClass = newTargetClass == null ? findTargetClass(name,classMap) : newTargetClass;
JsonConfig jsc = jsonConfig.copy();
jsc.setRootClass(newTargetClass);
jsc.setClassMap(classMap);
if (targetType.isArray()) {
setProperty(bean,JSONArray.toArray(array,jsonConfig);
} else if (JSONArray.class.isAssignableFrom(targetType)) {
setProperty(bean,array,jsonConfig);
} else if ((List.class.isAssignableFrom(targetType)) || (Set.class.isAssignableFrom(targetType)))
{
jsc.setCollectionType(targetType);
setProperty(bean,JSONArray.toCollection(array,jsonConfig);
}
} else {
if ((targetType == Object.class) || (targetType.isInterface())) {
Class targetTypeCopy = targetType;
targetType = findTargetClass(key,classMap);
targetType = targetType == null ? findTargetClass(name,classMap) : targetType;
targetType = (targetType == null) && (targetTypeCopy.isInterface()) ? targetTypeCopy : targetType;
}
JsonConfig jsc = jsonConfig.copy();
jsc.setRootClass(targetType);
jsc.setClassMap(classMap);
setProperty(bean,jsonConfig);
}
}
else if (type.isPrimitive())
{
log.warn("Tried to assign null value to " + key + ":" + type.getName());
setProperty(bean,null),jsonConfig);
}
else {
setProperty(bean,jsonConfig);
}
}
else if (!JSONUtils.isNull(value)) {
if ((value instanceof JSONArray)) {
setProperty(bean,jsonConfig);
}
else if ((String.class.isAssignableFrom(type)) || (JSONUtils.isBoolean(type)) || (JSONUtils.isNumber(type)) || (JSONUtils.isString(type)) || (JSONFunction.class.isAssignableFrom(type)))
{
if ((beanClass == null) || ((bean instanceof Map)) || (jsonConfig.getPropertySetStrategy() != null) || (!jsonConfig.isIgnorePublicFields()))
{
setProperty(bean,jsonConfig);
}
else log.warn("Tried to assign property " + key + ":" + type.getName() + " to bean of class " + bean.getClass().getName());
}
else if (jsonConfig.isHandleJettisonSingleElementArray()) {
Class newTargetClass = findTargetClass(key,classMap);
newTargetClass = newTargetClass == null ? findTargetClass(name,classMap) : newTargetClass;
JsonConfig jsc = jsonConfig.copy();
jsc.setRootClass(newTargetClass);
jsc.setClassMap(classMap);
setProperty(bean,jsonConfig);
} else {
setProperty(bean,jsonConfig);
}
}
else if (type.isPrimitive())
{
log.warn("Tried to assign null value to " + key + ":" + type.getName());
setProperty(bean,jsonConfig);
}
else {
setProperty(bean,jsonConfig);
}
}
}
catch (JSONException jsone)
{
throw jsone;
} catch (Exception e) {
throw new JSONException("Error while setting property=" + name + " type " + type,e);
}
}
return bean;
}
public static Object toBean(JSONObject jsonObject,Object root,JsonConfig jsonConfig)
{
if ((jsonObject == null) || (jsonObject.isNullObject()) || (root == null)) {
return root;
}
Class rootClass = root.getClass();
if (rootClass.isInterface()) {
throw new JSONException("Root bean is an interface. " + rootClass);
}
Map classMap = jsonConfig.getClassMap();
if (classMap == null) {
classMap = Collections.EMPTY_MAP;
}
Map props = JSONUtils.getProperties(jsonObject);
PropertyFilter javaPropertyFilter = jsonConfig.getJavaPropertyFilter();
Iterator entries = jsonObject.names(jsonConfig).iterator();
while (entries.hasNext()) {
String name = (String)entries.next();
Class type = (Class)props.get(name);
Object value = jsonObject.get(name);
if ((javaPropertyFilter != null) && (javaPropertyFilter.apply(root,value))) {
continue;
}
String key = JSONUtils.convertToJavaIdentifier(name,jsonConfig);
try {
PropertyDescriptor pd = PropertyUtils.getPropertyDescriptor(root,key);
if ((pd != null) && (pd.getWriteMethod() == null)) {
log.info("Property '" + key + "' of " + root.getClass() + " has no write method. SKIPPED.");
continue;
}
if (!JSONUtils.isNull(value)) {
if ((value instanceof JSONArray)) {
if ((pd == null) || (List.class.isAssignableFrom(pd.getPropertyType()))) {
Class targetClass = findTargetClass(key,classMap);
targetClass = targetClass == null ? findTargetClass(name,classMap) : targetClass;
Object newRoot = jsonConfig.getNewBeanInstanceStrategy().newInstance(targetClass,null);
List list = JSONArray.toList((JSONArray)value,newRoot,jsonConfig);
setProperty(root,list,jsonConfig);
} else {
Class innerType = JSONUtils.getInnerComponentType(pd.getPropertyType());
Class targetInnerType = findTargetClass(key,classMap);
if ((innerType.equals(Object.class)) && (targetInnerType != null) && (!targetInnerType.equals(Object.class)))
{
innerType = targetInnerType;
}
Object newRoot = jsonConfig.getNewBeanInstanceStrategy().newInstance(innerType,null);
Object array = JSONArray.toArray((JSONArray)value,jsonConfig);
if ((innerType.isPrimitive()) || (JSONUtils.isNumber(innerType)) || (Boolean.class.isAssignableFrom(innerType)) || (JSONUtils.isString(innerType)))
{
array = JSONUtils.getMorpherRegistry().morph(Array.newInstance(innerType,0).getClass(),array);
}
else if (!array.getClass().equals(pd.getPropertyType()))
{
if (!pd.getPropertyType().equals(Object.class))
{
Morpher morpher = JSONUtils.getMorpherRegistry().getMorpherFor(Array.newInstance(innerType,0).getClass());
if (IdentityObjectMorpher.getInstance().equals(morpher))
{
ObjectArrayMorpher beanMorpher = new ObjectArrayMorpher(new BeanMorpher(innerType,JSONUtils.getMorpherRegistry()));
JSONUtils.getMorpherRegistry().registerMorpher(beanMorpher);
}
array = JSONUtils.getMorpherRegistry().morph(Array.newInstance(innerType,array);
}
}
setProperty(root,jsonConfig);
}
} else if ((String.class.isAssignableFrom(type)) || (JSONUtils.isBoolean(type)) || (JSONUtils.isNumber(type)) || (JSONUtils.isString(type)) || (JSONFunction.class.isAssignableFrom(type)))
{
if (pd != null) {
if ((jsonConfig.isHandleJettisonEmptyElement()) && ("".equals(value))) {
setProperty(root,jsonConfig);
} else if (!pd.getPropertyType().isInstance(value))
{
Morpher morpher = JSONUtils.getMorpherRegistry().getMorpherFor(pd.getPropertyType());
if (IdentityObjectMorpher.getInstance().equals(morpher))
{
log.warn("Can't transform property '" + key + "' from " + type.getName() + " into " + pd.getPropertyType().getName() + ". Will register a default BeanMorpher");
JSONUtils.getMorpherRegistry().registerMorpher(new BeanMorpher(pd.getPropertyType(),JSONUtils.getMorpherRegistry()));
}
setProperty(root,JSONUtils.getMorpherRegistry().morph(pd.getPropertyType(),value),jsonConfig);
}
else {
setProperty(root,jsonConfig);
}
} else if ((root instanceof Map))
setProperty(root,jsonConfig);
else {
log.warn("Tried to assign property " + key + ":" + type.getName() + " to bean of class " + root.getClass().getName());
}
}
else if (pd != null) {
Class targetClass = pd.getPropertyType();
if (jsonConfig.isHandleJettisonSingleElementArray()) {
JSONArray array = new JSONArray().element(value,jsonConfig);
Class newTargetClass = findTargetClass(key,classMap) : newTargetClass;
Object newRoot = jsonConfig.getNewBeanInstanceStrategy().newInstance(newTargetClass,null);
if (targetClass.isArray()) {
setProperty(root,jsonConfig),jsonConfig);
}
else if (Collection.class.isAssignableFrom(targetClass)) {
setProperty(root,JSONArray.toList(array,jsonConfig);
}
else if (JSONArray.class.isAssignableFrom(targetClass))
setProperty(root,jsonConfig);
else
setProperty(root,jsonConfig);
}
else
{
if (targetClass == Object.class) {
targetClass = findTargetClass(key,classMap);
targetClass = targetClass == null ? findTargetClass(name,classMap) : targetClass;
}
Object newRoot = jsonConfig.getNewBeanInstanceStrategy().newInstance(targetClass,null);
setProperty(root,jsonConfig);
}
}
else if ((root instanceof Map)) {
Class targetClass = findTargetClass(key,classMap) : targetClass;
Object newRoot = jsonConfig.getNewBeanInstanceStrategy().newInstance(targetClass,null);
setProperty(root,jsonConfig);
}
else {
log.warn("Tried to assign property " + key + ":" + type.getName() + " to bean of class " + rootClass.getName());
}
}
else if (type.isPrimitive())
{
log.warn("Tried to assign null value to " + key + ":" + type.getName());
setProperty(root,jsonConfig);
}
else {
setProperty(root,jsonConfig);
}
}
catch (JSONException jsone) {
throw jsone;
} catch (Exception e) {
throw new JSONException("Error while setting property=" + name + " type " + type,e);
}
}
return root;
}
private static JSONObject _fromBean(Object bean,JsonConfig jsonConfig)
{
if (!addInstance(bean)) {
try {
return jsonConfig.getCycleDetectionStrategy().handleRepeatedReferenceAsObject(bean);
}
catch (JSONException jsone) {
removeInstance(bean);
fireErrorEvent(jsone,jsonConfig);
throw jsone;
} catch (RuntimeException e) {
removeInstance(bean);
JSONException jsone = new JSONException(e);
fireErrorEvent(jsone,jsonConfig);
throw jsone;
}
}
fireObjectStartEvent(jsonConfig);
JsonBeanProcessor processor = jsonConfig.findJsonBeanProcessor(bean.getClass());
if (processor != null) {
JSONObject json = null;
try {
json = processor.processBean(bean,jsonConfig);
if (json == null) {
json = (JSONObject)jsonConfig.findDefaultValueProcessor(bean.getClass()).getDefaultValue(bean.getClass());
if (json == null) {
json = new JSONObject(true);
}
}
removeInstance(bean);
fireObjectEndEvent(jsonConfig);
} catch (JSONException jsone) {
removeInstance(bean);
fireErrorEvent(jsone,jsonConfig);
throw jsone;
}
return json;
}
Class beanClass = bean.getClass();
PropertyNameProcessor propertyNameProcessor = jsonConfig.findJsonPropertyNameProcessor(beanClass);
Collection exclusions = jsonConfig.getMergedExcludes(beanClass);
JSONObject jsonObject = new JSONObject();
try {
PropertyDescriptor[] pds = PropertyUtils.getPropertyDescriptors(bean);
PropertyFilter jsonPropertyFilter = jsonConfig.getJsonPropertyFilter();
for (int i = 0; i < pds.length; i++) {
boolean bypass = false;
String key = pds[i].getName();
if (exclusions.contains(key))
{
continue;
}
if ((jsonConfig.isIgnoreTransientFields()) && (isTransientField(key,beanClass,jsonConfig)))
{
continue;
}
Class type = pds[i].getPropertyType();
try { pds[i].getReadMethod();
} catch (Exception e)
{
String warning = "Property '" + key + "' of " + beanClass + " has no read method. SKIPPED";
fireWarnEvent(warning,jsonConfig);
log.info(warning);
continue;
}
if (pds[i].getReadMethod() != null)
{
if (isTransient(pds[i].getReadMethod(),jsonConfig))
continue;
Object value = PropertyUtils.getProperty(bean,key);
if ((jsonPropertyFilter != null) && (jsonPropertyFilter.apply(bean,value))) {
continue;
}
JsonValueProcessor jsonValueProcessor = jsonConfig.findJsonValueProcessor(beanClass,key);
if (jsonValueProcessor != null) {
value = jsonValueProcessor.processObjectValue(key,jsonConfig);
bypass = true;
if (!JsonVerifier.isValidJsonValue(value)) {
throw new JSONException("Value is not a valid JSON value. " + value);
}
}
if (propertyNameProcessor != null) {
key = propertyNameProcessor.processPropertyName(beanClass,key);
}
setValue(jsonObject,bypass);
} else {
String warning = "Property '" + key + "' of " + beanClass + " has no read method. SKIPPED";
fireWarnEvent(warning,jsonConfig);
log.info(warning);
}
}
try
{
if (!jsonConfig.isIgnorePublicFields()) {
Field[] fields = beanClass.getFields();
for (int i = 0; i < fields.length; i++) {
boolean bypass = false;
Field field = fields[i];
String key = field.getName();
if (exclusions.contains(key))
{
continue;
}
if ((jsonConfig.isIgnoreTransientFields()) && (isTransient(field,jsonConfig)))
{
continue;
}
Class type = field.getType();
Object value = field.get(bean);
if ((jsonPropertyFilter != null) && (jsonPropertyFilter.apply(bean,value))) {
continue;
}
JsonValueProcessor jsonValueProcessor = jsonConfig.findJsonValueProcessor(beanClass,key);
if (jsonValueProcessor != null) {
value = jsonValueProcessor.processObjectValue(key,jsonConfig);
bypass = true;
if (!JsonVerifier.isValidJsonValue(value)) {
throw new JSONException("Value is not a valid JSON value. " + value);
}
}
if (propertyNameProcessor != null) {
key = propertyNameProcessor.processPropertyName(beanClass,key);
}
setValue(jsonObject,bypass);
}
}
}
catch (Exception e) {
log.trace("Couldn't read public fields.",e);
}
} catch (JSONException jsone) {
removeInstance(bean);
fireErrorEvent(jsone,jsonConfig);
throw jsone;
} catch (Exception e) {
removeInstance(bean);
JSONException jsone = new JSONException(e);
fireErrorEvent(jsone,jsonConfig);
throw jsone;
}
removeInstance(bean);
fireObjectEndEvent(jsonConfig);
return jsonObject;
}
private static JSONObject _fromDynaBean(DynaBean bean,JsonConfig jsonConfig) {
if (bean == null) {
fireObjectStartEvent(jsonConfig);
fireObjectEndEvent(jsonConfig);
return new JSONObject(true);
}
if (!addInstance(bean)) {
try {
return jsonConfig.getCycleDetectionStrategy().handleRepeatedReferenceAsObject(bean);
}
catch (JSONException jsone) {
removeInstance(bean);
fireErrorEvent(jsone,jsonConfig);
throw jsone;
}
}
fireObjectStartEvent(jsonConfig);
JSONObject jsonObject = new JSONObject();
try {
DynaProperty[] props = bean.getDynaClass().getDynaProperties();
Collection exclusions = jsonConfig.getMergedExcludes();
PropertyFilter jsonPropertyFilter = jsonConfig.getJsonPropertyFilter();
for (int i = 0; i < props.length; i++) {
boolean bypass = false;
DynaProperty dynaProperty = props[i];
String key = dynaProperty.getName();
if (exclusions.contains(key)) {
continue;
}
Class type = dynaProperty.getType();
Object value = bean.get(dynaProperty.getName());
if ((jsonPropertyFilter != null) && (jsonPropertyFilter.apply(bean,value))) {
continue;
}
JsonValueProcessor jsonValueProcessor = jsonConfig.findJsonValueProcessor(type,key);
if (jsonValueProcessor != null) {
value = jsonValueProcessor.processObjectValue(key,jsonConfig);
bypass = true;
if (!JsonVerifier.isValidJsonValue(value)) {
throw new JSONException("Value is not a valid JSON value. " + value);
}
}
setValue(jsonObject,bypass);
}
} catch (JSONException jsone) {
removeInstance(bean);
fireErrorEvent(jsone,jsonConfig);
throw jsone;
} catch (RuntimeException e) {
removeInstance(bean);
JSONException jsone = new JSONException(e);
fireErrorEvent(jsone,jsonConfig);
throw jsone;
}
removeInstance(bean);
fireObjectEndEvent(jsonConfig);
return jsonObject;
}
private static JSONObject _fromJSONObject(JSONObject object,JsonConfig jsonConfig) {
if ((object == null) || (object.isNullObject())) {
fireObjectStartEvent(jsonConfig);
fireObjectEndEvent(jsonConfig);
return new JSONObject(true);
}
if (!addInstance(object)) {
try {
return jsonConfig.getCycleDetectionStrategy().handleRepeatedReferenceAsObject(object);
}
catch (JSONException jsone) {
removeInstance(object);
fireErrorEvent(jsone,jsonConfig);
throw jsone;
} catch (RuntimeException e) {
removeInstance(object);
JSONException jsone = new JSONException(e);
fireErrorEvent(jsone,jsonConfig);
throw jsone;
}
}
fireObjectStartEvent(jsonConfig);
JSONArray sa = object.names(jsonConfig);
Collection exclusions = jsonConfig.getMergedExcludes();
JSONObject jsonObject = new JSONObject();
PropertyFilter jsonPropertyFilter = jsonConfig.getJsonPropertyFilter();
for (Iterator i = sa.iterator(); i.hasNext(); ) {
Object k = i.next();
if (k == null) {
throw new JSONException("JSON keys cannot be null.");
}
if ((!(k instanceof String)) && (!jsonConfig.isAllowNonStringKeys())) {
throw new ClassCastException("JSON keys must be strings.");
}
String key = String.valueOf(k);
if ("null".equals(key)) {
throw new NullPointerException("JSON keys must not be null nor the 'null' string.");
}
if (exclusions.contains(key)) {
continue;
}
Object value = object.opt(key);
if ((jsonPropertyFilter != null) && (jsonPropertyFilter.apply(object,value))) {
continue;
}
if (jsonObject.properties.containsKey(key)) {
jsonObject.accumulate(key,jsonConfig);
firePropertySetEvent(key,true,jsonConfig);
} else {
jsonObject.setInternal(key,false,jsonConfig);
}
}
removeInstance(object);
fireObjectEndEvent(jsonConfig);
return jsonObject;
}
private static JSONObject _fromJSONString(JSONString string,JsonConfig jsonConfig) {
return _fromJSONTokener(new JSONTokener(string.toJSONString()),jsonConfig);
}
private static JSONObject _fromJSONTokener(JSONTokener tokener,JsonConfig jsonConfig)
{
try
{
if (tokener.matches("null.*")) {
fireObjectStartEvent(jsonConfig);
fireObjectEndEvent(jsonConfig);
return new JSONObject(true);
}
if (tokener.nextClean() != '{') {
throw tokener.SyntaxError("A JSONObject text must begin with '{'");
}
fireObjectStartEvent(jsonConfig);
Collection exclusions = jsonConfig.getMergedExcludes();
PropertyFilter jsonPropertyFilter = jsonConfig.getJsonPropertyFilter();
JSONObject jsonObject = new JSONObject();
while (true) {
char c = tokener.nextClean();
switch (c) {
case '\000':
throw tokener.SyntaxError("A JSONObject text must end with '}'");
case '}':
fireObjectEndEvent(jsonConfig);
return jsonObject;
}
tokener.back();
String key = tokener.nextValue(jsonConfig).toString();
c = tokener.nextClean();
if (c == '=') {
if (tokener.next() != '>')
tokener.back();
}
else if (c != ':') {
throw tokener.SyntaxError("Expected a ':' after a key");
}
char peek = tokener.peek();
boolean quoted = (peek == '"') || (peek == '\'');
Object v = tokener.nextValue(jsonConfig);
if ((quoted) || (!JSONUtils.isFunctionHeader(v))) {
if (exclusions.contains(key)) {
switch (tokener.nextClean()) {
case ',':
case ';':
if (tokener.nextClean() == '}') {
fireObjectEndEvent(jsonConfig);
return jsonObject;
}
tokener.back();
break;
case '}':
fireObjectEndEvent(jsonConfig);
return jsonObject;
default:
throw tokener.SyntaxError("Expected a ',' or '}'");
}
}
if ((jsonPropertyFilter == null) || (!jsonPropertyFilter.apply(tokener,v))) {
if ((quoted) && ((v instanceof String)) && ((JSONUtils.mayBeJSON((String)v)) || (JSONUtils.isFunction(v)))) {
v = "\"" + v + "\"";
}
if (jsonObject.properties.containsKey(key)) {
jsonObject.accumulate(key,v,jsonConfig);
firePropertySetEvent(key,jsonConfig);
} else {
jsonObject.element(key,jsonConfig);
}
}
}
else {
String params = JSONUtils.getFunctionParams((String)v);
int i = 0;
StringBuffer sb = new StringBuffer();
while (true) {
char ch = tokener.next();
if (ch == 0) {
break;
}
if (ch == '{') {
i++;
}
if (ch == '}') {
i--;
}
sb.append(ch);
if (i == 0) {
break;
}
}
if (i != 0) {
throw tokener.SyntaxError("Unbalanced '{' or '}' on prop: " + v);
}
String text = sb.toString();
text = text.substring(1,text.length() - 1).trim();
Object value = new JSONFunction(params != null ? StringUtils.split(params,",") : null,text);
if ((jsonPropertyFilter == null) || (!jsonPropertyFilter.apply(tokener,value))) {
if (jsonObject.properties.containsKey(key)) {
jsonObject.accumulate(key,jsonConfig);
}
}
}
switch (tokener.nextClean()) {
case ',':
case ';':
if (tokener.nextClean() == '}') {
fireObjectEndEvent(jsonConfig);
return jsonObject;
}
tokener.back();
break;
case '}':
fireObjectEndEvent(jsonConfig);
return jsonObject;
default:
throw tokener.SyntaxError("Expected a ',' or '}'");
}
}
} catch (JSONException jsone) {
fireErrorEvent(jsone,jsonConfig);
}throw jsone;
}
private static JSONObject _fromMap(Map map,JsonConfig jsonConfig)
{
if (map == null) {
fireObjectStartEvent(jsonConfig);
fireObjectEndEvent(jsonConfig);
return new JSONObject(true);
}
if (!addInstance(map)) {
try {
return jsonConfig.getCycleDetectionStrategy().handleRepeatedReferenceAsObject(map);
}
catch (JSONException jsone) {
removeInstance(map);
fireErrorEvent(jsone,jsonConfig);
throw jsone;
} catch (RuntimeException e) {
removeInstance(map);
JSONException jsone = new JSONException(e);
fireErrorEvent(jsone,jsonConfig);
throw jsone;
}
}
fireObjectStartEvent(jsonConfig);
Collection exclusions = jsonConfig.getMergedExcludes();
JSONObject jsonObject = new JSONObject();
PropertyFilter jsonPropertyFilter = jsonConfig.getJsonPropertyFilter();
try {
Iterator entries = map.entrySet().iterator();
while (entries.hasNext()) {
boolean bypass = false;
Map.Entry entry = (Map.Entry)entries.next();
Object k = entry.getKey();
if (k == null) {
throw new JSONException("JSON keys cannot be null.");
}
if ((!(k instanceof String)) && (!jsonConfig.isAllowNonStringKeys())) {
throw new ClassCastException("JSON keys must be strings.");
}
String key = String.valueOf(k);
if ("null".equals(key)) {
throw new NullPointerException("JSON keys must not be null nor the 'null' string.");
}
if (exclusions.contains(key)) {
continue;
}
Object value = entry.getValue();
if ((jsonPropertyFilter != null) && (jsonPropertyFilter.apply(map,value))) {
continue;
}
if (value != null) {
JsonValueProcessor jsonValueProcessor = jsonConfig.findJsonValueProcessor(value.getClass(),jsonConfig);
bypass = true;
if (!JsonVerifier.isValidJsonValue(value)) {
throw new JSONException("Value is not a valid JSON value. " + value);
}
}
setValue(jsonObject,value.getClass(),bypass);
}
else if (jsonObject.properties.containsKey(key)) {
jsonObject.accumulate(key,JSONNull.getInstance());
firePropertySetEvent(key,JSONNull.getInstance(),jsonConfig);
} else {
jsonObject.element(key,jsonConfig);
}
}
}
catch (JSONException jsone) {
removeInstance(map);
fireErrorEvent(jsone,jsonConfig);
throw jsone;
} catch (RuntimeException e) {
removeInstance(map);
JSONException jsone = new JSONException(e);
fireErrorEvent(jsone,jsonConfig);
throw jsone;
}
removeInstance(map);
fireObjectEndEvent(jsonConfig);
return jsonObject;
}
private static JSONObject _fromString(String str,JsonConfig jsonConfig) {
if ((str == null) || ("null".equals(str))) {
fireObjectStartEvent(jsonConfig);
fireObjectEndEvent(jsonConfig);
return new JSONObject(true);
}
return _fromJSONTokener(new JSONTokener(str),jsonConfig);
}
private static Object convertPropertyValueToArray(String key,Object value,Class targetType,JsonConfig jsonConfig,Map classMap)
{
Class innerType = JSONUtils.getInnerComponentType(targetType);
Class targetInnerType = findTargetClass(key,classMap);
if ((innerType.equals(Object.class)) && (targetInnerType != null) && (!targetInnerType.equals(Object.class)))
{
innerType = targetInnerType;
}
JsonConfig jsc = jsonConfig.copy();
jsc.setRootClass(innerType);
jsc.setClassMap(classMap);
Object array = JSONArray.toArray((JSONArray)value,jsc);
if ((innerType.isPrimitive()) || (JSONUtils.isNumber(innerType)) || (Boolean.class.isAssignableFrom(innerType)) || (JSONUtils.isString(innerType)))
{
array = JSONUtils.getMorpherRegistry().morph(Array.newInstance(innerType,array);
}
else if (!array.getClass().equals(targetType))
{
if (!targetType.equals(Object.class)) {
Morpher morpher = JSONUtils.getMorpherRegistry().getMorpherFor(Array.newInstance(innerType,0).getClass());
if (IdentityObjectMorpher.getInstance().equals(morpher))
{
ObjectArrayMorpher beanMorpher = new ObjectArrayMorpher(new BeanMorpher(innerType,JSONUtils.getMorpherRegistry()));
JSONUtils.getMorpherRegistry().registerMorpher(beanMorpher);
}
array = JSONUtils.getMorpherRegistry().morph(Array.newInstance(innerType,array);
}
}
return array;
}
private static List convertPropertyValueToList(String key,String name,Map classMap)
{
Class targetClass = findTargetClass(key,classMap);
targetClass = targetClass == null ? findTargetClass(name,classMap) : targetClass;
JsonConfig jsc = jsonConfig.copy();
jsc.setRootClass(targetClass);
jsc.setClassMap(classMap);
List list = (List)JSONArray.toCollection((JSONArray)value,jsc);
return list;
}
private static Collection convertPropertyValueToCollection(String key,Map classMap,Class collectionType)
{
Class targetClass = findTargetClass(key,classMap) : targetClass;
JsonConfig jsc = jsonConfig.copy();
jsc.setRootClass(targetClass);
jsc.setClassMap(classMap);
jsc.setCollectionType(collectionType);
return JSONArray.toCollection((JSONArray)value,jsc);
}
private static Class findTargetClass(String key,Map classMap)
{
Class targetClass = (Class)classMap.get(key);
if (targetClass == null)
{
Iterator i = classMap.entrySet().iterator();
while (i.hasNext()) {
Map.Entry entry = (Map.Entry)i.next();
if (RegexpUtils.getMatcher((String)entry.getKey()).matches(key))
{
targetClass = (Class)entry.getValue();
break;
}
}
}
return targetClass;
}
private static boolean isTransientField(String name,JsonConfig jsonConfig) {
try {
Field field = beanClass.getDeclaredField(name);
if ((field.getModifiers() & 0x80) == 128) return true;
return isTransient(field,jsonConfig);
} catch (Exception e) {
log.info("Error while inspecting field " + beanClass + "." + name + " for transient status.",e);
}
return false;
}
private static boolean isTransient(AnnotatedElement element,JsonConfig jsonConfig) {
for (Iterator annotations = jsonConfig.getIgnoreFieldAnnotations().iterator(); annotations.hasNext(); ) {
try {
String annotationClassName = (String)annotations.next();
if (element.getAnnotation(Class.forName(annotationClassName)) != null) return true;
}
catch (Exception e) {
log.info("Error while inspecting " + element + " for transient status.",e);
}
}
return false;
}
private static Object morPHPropertyValue(String key,Class type,Class targetType) {
Morpher morpher = JSONUtils.getMorpherRegistry().getMorpherFor(targetType);
if (IdentityObjectMorpher.getInstance().equals(morpher))
{
log.warn("Can't transform property '" + key + "' from " + type.getName() + " into " + targetType.getName() + ". Will register a default Morpher");
if (Enum.class.isAssignableFrom(targetType)) {
JSONUtils.getMorpherRegistry().registerMorpher(new EnumMorpher(targetType));
}
else {
JSONUtils.getMorpherRegistry().registerMorpher(new BeanMorpher(targetType,JSONUtils.getMorpherRegistry()));
}
}
value = JSONUtils.getMorpherRegistry().morph(targetType,value);
return value;
}
private static void setProperty(Object bean,String key,JsonConfig jsonConfig)
throws Exception
{
PropertySetStrategy propertySetStrategy = jsonConfig.getPropertySetStrategy() != null ? jsonConfig.getPropertySetStrategy() : PropertySetStrategy.DEFAULT;
propertySetStrategy.setProperty(bean,jsonConfig);
}
private static void setValue(JSONObject jsonObject,boolean bypass)
{
boolean accumulated = false;
if (value == null) {
value = jsonConfig.findDefaultValueProcessor(type).getDefaultValue(type);
if (!JsonVerifier.isValidJsonValue(value)) {
throw new JSONException("Value is not a valid JSON value. " + value);
}
}
if (jsonObject.properties.containsKey(key)) {
if (String.class.isAssignableFrom(type)) {
Object o = jsonObject.opt(key);
if ((o instanceof JSONArray))
((JSONArray)o).addString((String)value);
else
jsonObject.properties.put(key,new JSONArray().element(o).addString((String)value));
}
else
{
jsonObject.accumulate(key,jsonConfig);
}
accumulated = true;
}
else if ((bypass) || (String.class.isAssignableFrom(type))) {
jsonObject.properties.put(key,value);
} else {
jsonObject.setInternal(key,jsonConfig);
}
value = jsonObject.opt(key);
if (accumulated) {
JSONArray array = (JSONArray)value;
value = array.get(array.size() - 1);
}
firePropertySetEvent(key,accumulated,jsonConfig);
}
public JSONObject()
{
this.properties = new ListOrderedMap();
}
public JSONObject(boolean isNull)
{
this();
this.nullObject = isNull;
}
public JSONObject accumulate(String key,boolean value)
{
return _accumulate(key,value ? Boolean.TRUE : Boolean.FALSE,new JsonConfig());
}
public JSONObject accumulate(String key,double value)
{
return _accumulate(key,Double.valueOf(value),int value)
{
return _accumulate(key,Integer.valueOf(value),long value)
{
return _accumulate(key,Long.valueOf(value),Object value)
{
return _accumulate(key,JsonConfig jsonConfig)
{
return _accumulate(key,jsonConfig);
}
public void accumulateAll(Map map) {
accumulateAll(map,new JsonConfig());
}
public void accumulateAll(Map map,JsonConfig jsonConfig) {
if ((map instanceof JSONObject)) {
Iterator entries = map.entrySet().iterator();
while (entries.hasNext()) {
Map.Entry entry = (Map.Entry)entries.next();
String key = (String)entry.getKey();
Object value = entry.getValue();
accumulate(key,jsonConfig);
}
} else {
Iterator entries = map.entrySet().iterator();
while (entries.hasNext()) {
Map.Entry entry = (Map.Entry)entries.next();
String key = String.valueOf(entry.getKey());
Object value = entry.getValue();
accumulate(key,jsonConfig);
}
}
}
public void clear() {
this.properties.clear();
}
public int compareTo(Object obj) {
if ((obj != null) && ((obj instanceof JSONObject))) {
JSONObject other = (JSONObject)obj;
int size1 = size();
int size2 = other.size();
if (size1 < size2)
return -1;
if (size1 > size2)
return 1;
if (equals(other)) {
return 0;
}
}
return -1;
}
public boolean containsKey(Object key) {
return this.properties.containsKey(key);
}
public boolean containsValue(Object value) {
return containsValue(value,new JsonConfig());
}
public boolean containsValue(Object value,JsonConfig jsonConfig) {
try {
value = processValue(value,jsonConfig);
} catch (JSONException e) {
return false;
}
return this.properties.containsValue(value);
}
public JSONObject discard(String key)
{
verifyIsNull();
this.properties.remove(key);
return this;
}
public JSONObject element(String key,boolean value)
{
verifyIsNull();
return element(key,value ? Boolean.TRUE : Boolean.FALSE);
}
public JSONObject element(String key,Collection value)
{
return element(key,new JsonConfig());
}
public JSONObject element(String key,Collection value,JsonConfig jsonConfig)
{
if (!(value instanceof JSONArray)) {
value = JSONArray.fromObject(value,jsonConfig);
}
return setInternal(key,jsonConfig);
}
public JSONObject element(String key,double value)
{
verifyIsNull();
Double d = new Double(value);
JSONUtils.testValidity(d);
return element(key,d);
}
public JSONObject element(String key,int value)
{
verifyIsNull();
return element(key,new Integer(value));
}
public JSONObject element(String key,long value)
{
verifyIsNull();
return element(key,new Long(value));
}
public JSONObject element(String key,Map value)
{
return element(key,Map value,JsonConfig jsonConfig)
{
verifyIsNull();
if ((value instanceof JSONObject)) {
return setInternal(key,jsonConfig);
}
return element(key,fromObject(value,Object value)
{
return element(key,JsonConfig jsonConfig)
{
verifyIsNull();
if (key == null) {
throw new JSONException("Null key.");
}
if (value != null) {
value = processValue(key,jsonConfig);
_setInternal(key,jsonConfig);
} else {
remove(key);
}
return this;
}
public JSONObject elementOpt(String key,Object value)
{
return elementOpt(key,new JsonConfig());
}
public JSONObject elementOpt(String key,JsonConfig jsonConfig)
{
verifyIsNull();
if ((key != null) && (value != null)) {
element(key,jsonConfig);
}
return this;
}
public Set entrySet() {
return Collections.unmodifiableSet(this.properties.entrySet());
}
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (obj == null) {
return false;
}
if (!(obj instanceof JSONObject)) {
return false;
}
JSONObject other = (JSONObject)obj;
if (isNullObject())
{
return other.isNullObject();
}
if (other.isNullObject()) {
return false;
}
if (other.size() != size()) {
return false;
}
Iterator keys = this.properties.keySet().iterator();
while (keys.hasNext()) {
String key = (String)keys.next();
if (!other.properties.containsKey(key)) {
return false;
}
Object o1 = this.properties.get(key);
Object o2 = other.properties.get(key);
if (JSONNull.getInstance().equals(o1))
{
if (!JSONNull.getInstance().equals(o2))
{
return false;
}
}
if (JSONNull.getInstance().equals(o2))
{
return false;
}
if (((o1 instanceof String)) && ((o2 instanceof JSONFunction))) {
if (!o1.equals(String.valueOf(o2)))
return false;
}
else if (((o1 instanceof JSONFunction)) && ((o2 instanceof String))) {
if (!o2.equals(String.valueOf(o1)))
return false;
}
else if (((o1 instanceof JSONObject)) && ((o2 instanceof JSONObject))) {
if (!o1.equals(o2))
return false;
}
else if (((o1 instanceof JSONArray)) && ((o2 instanceof JSONArray))) {
if (!o1.equals(o2))
return false;
}
else if (((o1 instanceof JSONFunction)) && ((o2 instanceof JSONFunction))) {
if (!o1.equals(o2)) {
return false;
}
}
else if ((o1 instanceof String)) {
if (!o1.equals(String.valueOf(o2)))
return false;
}
else if ((o2 instanceof String)) {
if (!o2.equals(String.valueOf(o1)))
return false;
}
else {
Morpher m1 = JSONUtils.getMorpherRegistry().getMorpherFor(o1.getClass());
Morpher m2 = JSONUtils.getMorpherRegistry().getMorpherFor(o2.getClass());
if ((m1 != null) && (m1 != IdentityObjectMorpher.getInstance())) {
if (!o1.equals(JSONUtils.getMorpherRegistry().morph(o1.getClass(),o2)))
{
return false;
}
} else if ((m2 != null) && (m2 != IdentityObjectMorpher.getInstance())) {
if (!JSONUtils.getMorpherRegistry().morph(o1.getClass(),o1).equals(o2))
{
return false;
}
}
else if (!o1.equals(o2)) {
return false;
}
}
}
return true;
}
public Object get(Object key) {
if ((key instanceof String)) {
return get((String)key);
}
return null;
}
public Object get(String key)
{
verifyIsNull();
return this.properties.get(key);
}
public boolean getBoolean(String key)
{
verifyIsNull();
Object o = get(key);
if (o != null) {
if ((o.equals(Boolean.FALSE)) || (((o instanceof String)) && (((String)o).equalsIgnoreCase("false"))))
{
return false;
}if ((o.equals(Boolean.TRUE)) || (((o instanceof String)) && (((String)o).equalsIgnoreCase("true"))))
{
return true;
}
}
throw new JSONException("JSONObject[" + JSONUtils.quote(key) + "] is not a Boolean.");
}
public double getDouble(String key)
{
verifyIsNull();
Object o = get(key);
if (o != null) {
try {
return (o instanceof Number) ? ((Number)o).doubleValue() : Double.parseDouble((String)o);
}
catch (Exception e) {
throw new JSONException("JSONObject[" + JSONUtils.quote(key) + "] is not a number.");
}
}
throw new JSONException("JSONObject[" + JSONUtils.quote(key) + "] is not a number.");
}
public int getInt(String key)
{
verifyIsNull();
Object o = get(key);
if (o != null) {
return (o instanceof Number) ? ((Number)o).intValue() : (int)getDouble(key);
}
throw new JSONException("JSONObject[" + JSONUtils.quote(key) + "] is not a number.");
}
public JSONArray getJSONArray(String key)
{
verifyIsNull();
Object o = get(key);
if ((o != null) && ((o instanceof JSONArray))) {
return (JSONArray)o;
}
throw new JSONException("JSONObject[" + JSONUtils.quote(key) + "] is not a JSONArray.");
}
public JSONObject getJSONObject(String key)
{
verifyIsNull();
Object o = get(key);
if (JSONNull.getInstance().equals(o))
{
return new JSONObject(true);
}if ((o instanceof JSONObject)) {
return (JSONObject)o;
}
throw new JSONException("JSONObject[" + JSONUtils.quote(key) + "] is not a JSONObject.");
}
public long getLong(String key)
{
verifyIsNull();
Object o = get(key);
if (o != null) {
return (o instanceof Number) ? ((Number)o).longValue() : ()getDouble(key);
}
throw new JSONException("JSONObject[" + JSONUtils.quote(key) + "] is not a number.");
}
public String getString(String key)
{
verifyIsNull();
Object o = get(key);
if (o != null) {
return o.toString();
}
throw new JSONException("JSONObject[" + JSONUtils.quote(key) + "] not found.");
}
public boolean has(String key)
{
verifyIsNull();
return this.properties.containsKey(key);
}
public int hashCode() {
int hashcode = 19;
if (isNullObject()) {
return hashcode + JSONNull.getInstance().hashCode();
}
Iterator entries = this.properties.entrySet().iterator();
while (entries.hasNext()) {
Map.Entry entry = (Map.Entry)entries.next();
Object key = entry.getKey();
Object value = entry.getValue();
hashcode += key.hashCode() + JSONUtils.hashCode(value);
}
return hashcode;
}
public boolean isArray() {
return false;
}
public boolean isEmpty()
{
return this.properties.isEmpty();
}
public boolean isNullObject()
{
return this.nullObject;
}
public Iterator keys()
{
verifyIsNull();
return keySet().iterator();
}
public Set keySet() {
return Collections.unmodifiableSet(this.properties.keySet());
}
public JSONArray names()
{
verifyIsNull();
JSONArray ja = new JSONArray();
Iterator keys = keys();
while (keys.hasNext()) {
ja.element(keys.next());
}
return ja;
}
public JSONArray names(JsonConfig jsonConfig)
{
verifyIsNull();
JSONArray ja = new JSONArray();
Iterator keys = keys();
while (keys.hasNext()) {
ja.element(keys.next(),jsonConfig);
}
return ja;
}
public Object opt(String key)
{
verifyIsNull();
return key == null ? null : this.properties.get(key);
}
public boolean optBoolean(String key)
{
verifyIsNull();
return optBoolean(key,false);
}
public boolean optBoolean(String key,boolean defaultValue)
{
verifyIsNull();
try {
return getBoolean(key); } catch (Exception e) {
}
return defaultValue;
}
public double optDouble(String key)
{
verifyIsNull();
return optDouble(key,(0.0D / 0.0D));
}
public double optDouble(String key,double defaultValue)
{
verifyIsNull();
try {
Object o = opt(key);
return (o instanceof Number) ? ((Number)o).doubleValue() : new Double((String)o).doubleValue();
} catch (Exception e) {
}
return defaultValue;
}
public int optInt(String key)
{
verifyIsNull();
return optInt(key,0);
}
public int optInt(String key,int defaultValue)
{
verifyIsNull();
try {
return getInt(key); } catch (Exception e) {
}
return defaultValue;
}
public JSONArray optJSONArray(String key)
{
verifyIsNull();
Object o = opt(key);
return (o instanceof JSONArray) ? (JSONArray)o : null;
}
public JSONObject optJSONObject(String key)
{
verifyIsNull();
Object o = opt(key);
return (o instanceof JSONObject) ? (JSONObject)o : null;
}
public long optLong(String key)
{
verifyIsNull();
return optLong(key,0L);
}
public long optLong(String key,long defaultValue)
{
verifyIsNull();
try {
return getLong(key); } catch (Exception e) {
}
return defaultValue;
}
public String optString(String key)
{
verifyIsNull();
return optString(key,"");
}
public String optString(String key,String defaultValue)
{
verifyIsNull();
Object o = opt(key);
return o != null ? o.toString() : defaultValue;
}
public Object put(Object key,Object value) {
if (key == null) {
throw new IllegalArgumentException("key is null.");
}
Object prevIoUs = this.properties.get(key);
element(String.valueOf(key),value);
return prevIoUs;
}
public void putAll(Map map) {
putAll(map,new JsonConfig());
}
public void putAll(Map map,JsonConfig jsonConfig) {
if ((map instanceof JSONObject)) {
Iterator entries = map.entrySet().iterator();
while (entries.hasNext()) {
Map.Entry entry = (Map.Entry)entries.next();
String key = (String)entry.getKey();
Object value = entry.getValue();
this.properties.put(key,value);
}
} else {
Iterator entries = map.entrySet().iterator();
while (entries.hasNext()) {
Map.Entry entry = (Map.Entry)entries.next();
String key = String.valueOf(entry.getKey());
Object value = entry.getValue();
element(key,jsonConfig);
}
}
}
public Object remove(Object key) {
return this.properties.remove(key);
}
public Object remove(String key)
{
verifyIsNull();
return this.properties.remove(key);
}
public int size()
{
return this.properties.size();
}
public JSONArray toJSONArray(JSONArray names)
{
verifyIsNull();
if ((names == null) || (names.size() == 0)) {
return null;
}
JSONArray ja = new JSONArray();
for (int i = 0; i < names.size(); i++) {
ja.element(opt(names.getString(i)));
}
return ja;
}
public String toString()
{
if (isNullObject()) {
return JSONNull.getInstance().toString();
}
try
{
Iterator keys = keys();
StringBuffer sb = new StringBuffer("{");
while (keys.hasNext()) {
if (sb.length() > 1) {
sb.append(',');
}
Object o = keys.next();
sb.append(JSONUtils.quote(o.toString()));
sb.append(':');
sb.append(JSONUtils.valueToString(this.properties.get(o)));
}
sb.append('}');
return sb.toString(); } catch (Exception e) {
}
return null;
}
public String toString(int indentFactor)
{
if (isNullObject()) {
return JSONNull.getInstance().toString();
}
if (indentFactor == 0) {
return toString();
}
return toString(indentFactor,0);
}
public String toString(int indentFactor,int indent)
{
if (isNullObject()) {
return JSONNull.getInstance().toString();
}
int n = size();
if (n == 0) {
return "{}";
}
if (indentFactor == 0) {
return toString();
}
Iterator keys = keys();
StringBuffer sb = new StringBuffer("{");
int newindent = indent + indentFactor;
if (n == 1) {
Object o = keys.next();
sb.append(JSONUtils.quote(o.toString()));
sb.append(": ");
sb.append(JSONUtils.valueToString(this.properties.get(o),indentFactor,indent));
} else {
while (keys.hasNext()) {
Object o = keys.next();
if (sb.length() > 1)
sb.append(",\n");
else {
sb.append('\n');
}
for (int i = 0; i < newindent; i++) {
sb.append(' ');
}
sb.append(JSONUtils.quote(o.toString()));
sb.append(": ");
sb.append(JSONUtils.valueToString(this.properties.get(o),newindent));
}
if (sb.length() > 1) {
sb.append('\n');
for (int i = 0; i < indent; i++) {
sb.append(' ');
}
}
for (int i = 0; i < indent; i++) {
sb.insert(0,' ');
}
}
sb.append('}');
return sb.toString();
}
public Collection values() {
return Collections.unmodifiableCollection(this.properties.values());
}
public Writer write(Writer writer)
{
try
{
if (isNullObject()) {
writer.write(JSONNull.getInstance().toString());
return writer;
}
boolean b = false;
Iterator keys = keys();
writer.write(123);
while (keys.hasNext()) {
if (b) {
writer.write(44);
}
Object k = keys.next();
writer.write(JSONUtils.quote(k.toString()));
writer.write(58);
Object v = this.properties.get(k);
if ((v instanceof JSONObject))
((JSONObject)v).write(writer);
else if ((v instanceof JSONArray))
((JSONArray)v).write(writer);
else {
writer.write(JSONUtils.valueToString(v));
}
b = true;
}
writer.write(125);
return writer; } catch (IOException e) {
}
throw new JSONException(e);
}
private JSONObject _accumulate(String key,JsonConfig jsonConfig)
{
if (isNullObject()) {
throw new JSONException("Can't accumulate on null object");
}
if (!has(key)) {
setInternal(key,jsonConfig);
} else {
Object o = opt(key);
if ((o instanceof JSONArray))
((JSONArray)o).element(value,jsonConfig);
else {
setInternal(key,new JSONArray().element(o).element(value,jsonConfig);
}
}
return this;
}
protected Object _processValue(Object value,JsonConfig jsonConfig) {
if ((value instanceof JSONTokener))
return _fromJSONTokener((JSONTokener)value,jsonConfig);
if ((value != null) && (Enum.class.isAssignableFrom(value.getClass()))) {
return ((Enum)value).name();
}
return super._processValue(value,jsonConfig);
}
private JSONObject _setInternal(String key,JsonConfig jsonConfig)
{
verifyIsNull();
if (key == null) {
throw new JSONException("Null key.");
}
if ((JSONUtils.isString(value)) && (JSONUtils.mayBeJSON(String.valueOf(value)))) {
this.properties.put(key,value);
}
else if ((CycleDetectionStrategy.IGNORE_PROPERTY_OBJ != value) && (CycleDetectionStrategy.IGNORE_PROPERTY_ARR != value))
{
this.properties.put(key,value);
}
return this;
}
private Object processValue(Object value,JsonConfig jsonConfig) {
if (value != null) {
JsonValueProcessor processor = jsonConfig.findJsonValueProcessor(value.getClass());
if (processor != null) {
value = processor.processObjectValue(null,jsonConfig);
if (!JsonVerifier.isValidJsonValue(value)) {
throw new JSONException("Value is not a valid JSON value. " + value);
}
}
}
return _processValue(value,jsonConfig);
}
private Object processValue(String key,JsonConfig jsonConfig) {
if (value != null) {
JsonValueProcessor processor = jsonConfig.findJsonValueProcessor(value.getClass(),key);
if (processor != null) {
value = processor.processObjectValue(null,jsonConfig);
}
private JSONObject setInternal(String key,JsonConfig jsonConfig)
{
return _setInternal(key,processValue(key,jsonConfig);
}
private void verifyIsNull()
{
if (isNullObject())
throw new JSONException("null object");
}
} 原文链接：https://www.f2er.com/json/290473.html