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/*
* Copyright (c) 2002 JSON.org (now "Public Domain")
* This is NOT property of REAndroid
* This package is renamed from org.json.* to avoid class conflict when used on android platforms
*/
package com.reandroid.json;
import com.reandroid.common.FileChannelInputStream;
import java.io.*;
import java.lang.annotation.Annotation;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.*;
import java.util.Map.Entry;
public class JSONObject extends JSONItem {
private final LinkedHashMap map;
public JSONObject() {
this.map = new LinkedHashMap<>();
}
public JSONObject(JSONObject jo, String ... names) {
this(names.length);
for (int i = 0; i < names.length; i += 1) {
try {
this.putOnce(names[i], jo.opt(names[i]));
} catch (Exception ignore) {
}
}
}
public JSONObject(JSONTokener x) throws JSONException {
this();
char c;
String key;
if (x.nextClean() != '{') {
throw x.syntaxError("A JSONObject text must begin with '{'");
}
for (;;) {
c = x.nextClean();
switch (c) {
case 0:
throw x.syntaxError("A JSONObject text must end with '}'");
case '}':
return;
default:
x.back();
key = x.nextValue().toString();
}
// The key is followed by ':'.
c = x.nextClean();
if (c != ':') {
throw x.syntaxError("Expected a ':' after a key");
}
// Use syntaxError(..) to include error location
if (key != null) {
// Check if key exists
if (this.opt(key) != null) {
// key already exists
throw x.syntaxError("Duplicate key \"" + key + "\"");
}
// Only add value if non-null
Object value = x.nextValue();
if (value!=null) {
this.put(key, value);
}
}
// Pairs are separated by ','.
switch (x.nextClean()) {
case ';':
case ',':
if (x.nextClean() == '}') {
return;
}
x.back();
break;
case '}':
return;
default:
throw x.syntaxError("Expected a ',' or '}'");
}
}
}
public JSONObject(Map m) {
if (m == null) {
this.map = new LinkedHashMap<>();
} else {
this.map = new LinkedHashMap<>(m.size());
for (final Entry e : m.entrySet()) {
if(e.getKey() == null) {
throw new NullPointerException("Null key.");
}
final Object value = e.getValue();
if (value != null) {
this.map.put(String.valueOf(e.getKey()), wrap(value));
}
}
}
}
JSONObject(Object bean) {
this();
this.populateMap(bean);
}
public JSONObject(String source) throws JSONException {
this(new JSONTokener(source));
}
public JSONObject(String baseName, Locale locale) throws JSONException {
this();
ResourceBundle bundle = ResourceBundle.getBundle(baseName, locale,
Thread.currentThread().getContextClassLoader());
// Iterate through the keys in the bundle.
Enumeration keys = bundle.getKeys();
while (keys.hasMoreElements()) {
Object key = keys.nextElement();
if (key != null) {
// Go through the path, ensuring that there is a nested JSONObject for each
// segment except the last. Add the value using the last segment's name into
// the deepest nested JSONObject.
String[] path = ((String) key).split("\\.");
int last = path.length - 1;
JSONObject target = this;
for (int i = 0; i < last; i += 1) {
String segment = path[i];
JSONObject nextTarget = target.optJSONObject(segment);
if (nextTarget == null) {
nextTarget = new JSONObject();
target.put(segment, nextTarget);
}
target = nextTarget;
}
target.put(path[last], bundle.getString((String) key));
}
}
}
protected JSONObject(int initialCapacity){
this.map = new LinkedHashMap<>(initialCapacity);
}
public JSONObject(File file) throws IOException {
this(new FileChannelInputStream(file));
}
public JSONObject(Reader reader){
this(new JSONTokener(reader));
}
public JSONObject(InputStream inputStream) throws JSONException {
this(new JSONTokener(inputStream));
try {
inputStream.close();
} catch (IOException ignored) {
}
}
public void sort(Comparator keyComparator) {
sort(keyComparator, false);
}
public void sort(Comparator keyComparator, boolean recursive) {
LinkedHashMap map = this.map;
LinkedHashMap copy = new LinkedHashMap<>(map);
map.clear();
List sortedKeys = new ArrayList<>(copy.keySet());
sortedKeys.sort(keyComparator);
for(String key : sortedKeys){
map.put(key, copy.get(key));
}
copy.clear();
if(recursive){
for(String key : sortedKeys){
Object obj = map.get(key);
if(obj instanceof JSONObject){
((JSONObject) obj).sort(keyComparator, true);
}
}
}
}
public JSONObject accumulate(String key, Object value) throws JSONException {
testValidity(value);
Object object = this.opt(key);
if (object == null) {
this.put(key,
value instanceof JSONArray ? new JSONArray().put(value)
: value);
} else if (object instanceof JSONArray) {
((JSONArray) object).put(value);
} else {
this.put(key, new JSONArray().put(object).put(value));
}
return this;
}
public JSONObject append(String key, Object value) throws JSONException {
testValidity(value);
Object object = this.opt(key);
if (object == null) {
this.put(key, new JSONArray().put(value));
} else if (object instanceof JSONArray) {
this.put(key, ((JSONArray) object).put(value));
} else {
throw wrongValueFormatException(key, "JSONArray", null, null);
}
return this;
}
public static String doubleToString(double d) {
if (Double.isInfinite(d) || Double.isNaN(d)) {
return "null";
}
// Shave off trailing zeros and decimal point, if possible.
String string = Double.toString(d);
if (string.indexOf('.') > 0 && string.indexOf('e') < 0
&& string.indexOf('E') < 0) {
while (string.endsWith("0")) {
string = string.substring(0, string.length() - 1);
}
if (string.endsWith(".")) {
string = string.substring(0, string.length() - 1);
}
}
return string;
}
public Object get(String key) throws JSONException {
if (key == null) {
throw new JSONException("Null key.");
}
Object object = this.opt(key);
if (object == null) {
throw new JSONException("JSONObject[" + quote(key) + "] not found.");
}
return object;
}
public > E getEnum(Class clazz, String key) throws JSONException {
E val = optEnum(clazz, key);
if(val==null) {
// JSONException should really take a throwable argument.
// If it did, I would re-implement this with the Enum.valueOf
// method and place any thrown exception in the JSONException
throw wrongValueFormatException(key, "enum of type " + quote(clazz.getSimpleName()), null);
}
return val;
}
public boolean getBoolean(String key) throws JSONException {
Object object = this.get(key);
if (object.equals(Boolean.FALSE)
|| (object instanceof String && ((String) object)
.equalsIgnoreCase("false"))) {
return false;
} else if (object.equals(Boolean.TRUE)
|| (object instanceof String && ((String) object)
.equalsIgnoreCase("true"))) {
return true;
}
throw wrongValueFormatException(key, "Boolean", null);
}
public BigInteger getBigInteger(String key) throws JSONException {
Object object = this.get(key);
BigInteger ret = objectToBigInteger(object, null);
if (ret != null) {
return ret;
}
throw wrongValueFormatException(key, "BigInteger", object, null);
}
public BigDecimal getBigDecimal(String key) throws JSONException {
Object object = this.get(key);
BigDecimal ret = objectToBigDecimal(object, null);
if (ret != null) {
return ret;
}
throw wrongValueFormatException(key, "BigDecimal", object, null);
}
public double getDouble(String key) throws JSONException {
final Object object = this.get(key);
if(object instanceof Number) {
return ((Number)object).doubleValue();
}
try {
return Double.parseDouble(object.toString());
} catch (Exception e) {
throw wrongValueFormatException(key, "double", e);
}
}
public float getFloat(String key) throws JSONException {
final Object object = this.get(key);
if(object instanceof Number) {
return ((Number)object).floatValue();
}
try {
return Float.parseFloat(object.toString());
} catch (Exception e) {
throw wrongValueFormatException(key, "float", e);
}
}
public Number getNumber(String key) throws JSONException {
Object object = this.get(key);
try {
if (object instanceof Number) {
return (Number)object;
}
return stringToNumber(object.toString());
} catch (Exception e) {
throw wrongValueFormatException(key, "number", e);
}
}
public int getInt(String key) throws JSONException {
final Object object = this.get(key);
if(object instanceof Number) {
return ((Number)object).intValue();
}
try {
return Integer.parseInt(object.toString());
} catch (Exception e) {
throw wrongValueFormatException(key, "int", e);
}
}
public JSONArray getJSONArray(String key) throws JSONException {
Object object = this.get(key);
if (object instanceof JSONArray) {
return (JSONArray) object;
}
throw wrongValueFormatException(key, "JSONArray", null);
}
public JSONObject getJSONObject(String key) throws JSONException {
Object object = this.get(key);
if (object instanceof JSONObject) {
return (JSONObject) object;
}
throw wrongValueFormatException(key, "JSONObject", null);
}
public long getLong(String key) throws JSONException {
final Object object = this.get(key);
if(object instanceof Number) {
return ((Number)object).longValue();
}
try {
return Long.parseLong(object.toString());
} catch (Exception e) {
throw wrongValueFormatException(key, "long", e);
}
}
public static String[] getNames(JSONObject jo) {
if (jo.isEmpty()) {
return null;
}
return jo.keySet().toArray(new String[jo.length()]);
}
public static String[] getNames(Object object) {
if (object == null) {
return null;
}
Class klass = object.getClass();
Field[] fields = klass.getFields();
int length = fields.length;
if (length == 0) {
return null;
}
String[] names = new String[length];
for (int i = 0; i < length; i += 1) {
names[i] = fields[i].getName();
}
return names;
}
public String getString(String key) throws JSONException {
Object object = this.get(key);
if (object instanceof String) {
return (String) object;
}
throw wrongValueFormatException(key, "string", null);
}
public boolean has(String key) {
return this.map.containsKey(key);
}
public JSONObject increment(String key) throws JSONException {
Object value = this.opt(key);
if (value == null) {
this.put(key, 1);
} else if (value instanceof Integer) {
this.put(key, ((Integer) value).intValue() + 1);
} else if (value instanceof Long) {
this.put(key, ((Long) value).longValue() + 1L);
} else if (value instanceof BigInteger) {
this.put(key, ((BigInteger)value).add(BigInteger.ONE));
} else if (value instanceof Float) {
this.put(key, ((Float) value).floatValue() + 1.0f);
} else if (value instanceof Double) {
this.put(key, ((Double) value).doubleValue() + 1.0d);
} else if (value instanceof BigDecimal) {
this.put(key, ((BigDecimal)value).add(BigDecimal.ONE));
} else {
throw new JSONException("Unable to increment [" + quote(key) + "].");
}
return this;
}
public boolean isNull(String key) {
return JSONObject.NULL.equals(this.opt(key));
}
public Iterator keys() {
return this.keySet().iterator();
}
public Set keySet() {
return this.map.keySet();
}
protected Set> entrySet() {
return this.map.entrySet();
}
public int length() {
return this.map.size();
}
public boolean isEmpty() {
return this.map.isEmpty();
}
public JSONArray names() {
if(this.map.isEmpty()) {
return null;
}
return new JSONArray(this.map.keySet());
}
public Object opt(String key) {
return key == null ? null : this.map.get(key);
}
public > E optEnum(Class clazz, String key) {
return this.optEnum(clazz, key, null);
}
public > E optEnum(Class clazz, String key, E defaultValue) {
try {
Object val = this.opt(key);
if (NULL.equals(val)) {
return defaultValue;
}
if (clazz.isAssignableFrom(val.getClass())) {
// we just checked it!
@SuppressWarnings("unchecked")
E myE = (E) val;
return myE;
}
return Enum.valueOf(clazz, val.toString());
} catch (IllegalArgumentException e) {
return defaultValue;
} catch (NullPointerException e) {
return defaultValue;
}
}
public boolean optBoolean(String key) {
return this.optBoolean(key, false);
}
public boolean optBoolean(String key, boolean defaultValue) {
Object val = this.opt(key);
if (NULL.equals(val)) {
return defaultValue;
}
if (val instanceof Boolean){
return ((Boolean) val).booleanValue();
}
try {
// we'll use the get anyway because it does string conversion.
return this.getBoolean(key);
} catch (Exception e) {
return defaultValue;
}
}
public BigDecimal optBigDecimal(String key, BigDecimal defaultValue) {
Object val = this.opt(key);
return objectToBigDecimal(val, defaultValue);
}
static BigDecimal objectToBigDecimal(Object val, BigDecimal defaultValue) {
if (NULL.equals(val)) {
return defaultValue;
}
if (val instanceof BigDecimal){
return (BigDecimal) val;
}
if (val instanceof BigInteger){
return new BigDecimal((BigInteger) val);
}
if (val instanceof Double || val instanceof Float){
final double d = ((Number) val).doubleValue();
if(Double.isNaN(d)) {
return defaultValue;
}
return new BigDecimal(((Number) val).doubleValue());
}
if (val instanceof Long || val instanceof Integer
|| val instanceof Short || val instanceof Byte){
return new BigDecimal(((Number) val).longValue());
}
// don't check if it's a string in case of unchecked Number subclasses
try {
return new BigDecimal(val.toString());
} catch (Exception e) {
return defaultValue;
}
}
public BigInteger optBigInteger(String key, BigInteger defaultValue) {
Object val = this.opt(key);
return objectToBigInteger(val, defaultValue);
}
static BigInteger objectToBigInteger(Object val, BigInteger defaultValue) {
if (NULL.equals(val)) {
return defaultValue;
}
if (val instanceof BigInteger){
return (BigInteger) val;
}
if (val instanceof BigDecimal){
return ((BigDecimal) val).toBigInteger();
}
if (val instanceof Double || val instanceof Float){
final double d = ((Number) val).doubleValue();
if(Double.isNaN(d)) {
return defaultValue;
}
return new BigDecimal(d).toBigInteger();
}
if (val instanceof Long || val instanceof Integer
|| val instanceof Short || val instanceof Byte){
return BigInteger.valueOf(((Number) val).longValue());
}
// don't check if it's a string in case of unchecked Number subclasses
try {
// the other opt functions handle implicit conversions, i.e.
// jo.put("double",1.1d);
// jo.optInt("double"); -- will return 1, not an error
// this conversion to BigDecimal then to BigInteger is to maintain
// that type cast support that may truncate the decimal.
final String valStr = val.toString();
if(isDecimalNotation(valStr)) {
return new BigDecimal(valStr).toBigInteger();
}
return new BigInteger(valStr);
} catch (Exception e) {
return defaultValue;
}
}
public double optDouble(String key) {
return this.optDouble(key, Double.NaN);
}
public double optDouble(String key, double defaultValue) {
Number val = this.optNumber(key);
if (val == null) {
return defaultValue;
}
final double doubleValue = val.doubleValue();
// if (Double.isNaN(doubleValue) || Double.isInfinite(doubleValue)) {
// return defaultValue;
// }
return doubleValue;
}
public float optFloat(String key) {
return this.optFloat(key, Float.NaN);
}
public float optFloat(String key, float defaultValue) {
Number val = this.optNumber(key);
if (val == null) {
return defaultValue;
}
final float floatValue = val.floatValue();
// if (Float.isNaN(floatValue) || Float.isInfinite(floatValue)) {
// return defaultValue;
// }
return floatValue;
}
public int optInt(String key) {
return this.optInt(key, 0);
}
public int optInt(String key, int defaultValue) {
final Number val = this.optNumber(key, null);
if (val == null) {
return defaultValue;
}
return val.intValue();
}
public JSONArray optJSONArray(String key) {
Object o = this.opt(key);
return o instanceof JSONArray ? (JSONArray) o : null;
}
public JSONObject optJSONObject(String key) {
Object object = this.opt(key);
return object instanceof JSONObject ? (JSONObject) object : null;
}
public long optLong(String key) {
return this.optLong(key, 0);
}
public long optLong(String key, long defaultValue) {
final Number val = this.optNumber(key, null);
if (val == null) {
return defaultValue;
}
return val.longValue();
}
public Number optNumber(String key) {
return this.optNumber(key, null);
}
public Number optNumber(String key, Number defaultValue) {
Object val = this.opt(key);
if (NULL.equals(val)) {
return defaultValue;
}
if (val instanceof Number){
return (Number) val;
}
try {
return stringToNumber(val.toString());
} catch (Exception e) {
return defaultValue;
}
}
public String optString(String key) {
return this.optString(key, "");
}
public String optString(String key, String defaultValue) {
Object object = this.opt(key);
return NULL.equals(object) ? defaultValue : object.toString();
}
private void populateMap(Object bean) {
Class klass = bean.getClass();
// If klass is a System class then set includeSuperClass to false.
boolean includeSuperClass = klass.getClassLoader() != null;
Method[] methods = includeSuperClass ? klass.getMethods() : klass.getDeclaredMethods();
for (final Method method : methods) {
final int modifiers = method.getModifiers();
if (Modifier.isPublic(modifiers)
&& !Modifier.isStatic(modifiers)
&& method.getParameterTypes().length == 0
&& !method.isBridge()
&& method.getReturnType() != Void.TYPE
&& isValidMethodName(method.getName())) {
final String key = getKeyNameFromMethod(method);
if (key != null && !key.isEmpty()) {
try {
final Object result = method.invoke(bean);
if (result != null) {
this.map.put(key, wrap(result));
// we don't use the result anywhere outside of wrap
// if it's a resource we should be sure to close it
// after calling toString
if (result instanceof Closeable) {
try {
((Closeable) result).close();
} catch (IOException ignore) {
}
}
}
} catch (IllegalAccessException ignore) {
} catch (IllegalArgumentException ignore) {
} catch (InvocationTargetException ignore) {
}
}
}
}
}
private static boolean isValidMethodName(String name) {
return !"getClass".equals(name) && !"getDeclaringClass".equals(name);
}
private static String getKeyNameFromMethod(Method method) {
final int ignoreDepth = getAnnotationDepth(method, JSONPropertyIgnore.class);
if (ignoreDepth > 0) {
final int forcedNameDepth = getAnnotationDepth(method, JSONPropertyName.class);
if (forcedNameDepth < 0 || ignoreDepth <= forcedNameDepth) {
// the hierarchy asked to ignore, and the nearest name override
// was higher or non-existent
return null;
}
}
JSONPropertyName annotation = getAnnotation(method, JSONPropertyName.class);
if (annotation != null && annotation.value() != null && !annotation.value().isEmpty()) {
return annotation.value();
}
String key;
final String name = method.getName();
if (name.startsWith("get") && name.length() > 3) {
key = name.substring(3);
} else if (name.startsWith("is") && name.length() > 2) {
key = name.substring(2);
} else {
return null;
}
// if the first letter in the key is not uppercase, then skip.
// This is to maintain backwards compatibility before PR406
// (https://github.com/stleary/JSON-java/pull/406/)
if (Character.isLowerCase(key.charAt(0))) {
return null;
}
if (key.length() == 1) {
key = key.toLowerCase(Locale.ROOT);
} else if (!Character.isUpperCase(key.charAt(1))) {
key = key.substring(0, 1).toLowerCase(Locale.ROOT) + key.substring(1);
}
return key;
}
private static A getAnnotation(final Method m, final Class annotationClass) {
// if we have invalid data the result is null
if (m == null || annotationClass == null) {
return null;
}
if (m.isAnnotationPresent(annotationClass)) {
return m.getAnnotation(annotationClass);
}
// if we've already reached the Object class, return null;
Class c = m.getDeclaringClass();
if (c.getSuperclass() == null) {
return null;
}
// check directly implemented interfaces for the method being checked
for (Class i : c.getInterfaces()) {
try {
Method im = i.getMethod(m.getName(), m.getParameterTypes());
return getAnnotation(im, annotationClass);
} catch (final SecurityException ex) {
continue;
} catch (final NoSuchMethodException ex) {
continue;
}
}
try {
return getAnnotation(
c.getSuperclass().getMethod(m.getName(), m.getParameterTypes()),
annotationClass);
} catch (final SecurityException ex) {
return null;
} catch (final NoSuchMethodException ex) {
return null;
}
}
private static int getAnnotationDepth(final Method m, final Class annotationClass) {
// if we have invalid data the result is -1
if (m == null || annotationClass == null) {
return -1;
}
if (m.isAnnotationPresent(annotationClass)) {
return 1;
}
// if we've already reached the Object class, return -1;
Class c = m.getDeclaringClass();
if (c.getSuperclass() == null) {
return -1;
}
// check directly implemented interfaces for the method being checked
for (Class i : c.getInterfaces()) {
try {
Method im = i.getMethod(m.getName(), m.getParameterTypes());
int d = getAnnotationDepth(im, annotationClass);
if (d > 0) {
// since the annotation was on the interface, add 1
return d + 1;
}
} catch (final SecurityException ex) {
continue;
} catch (final NoSuchMethodException ex) {
continue;
}
}
try {
int d = getAnnotationDepth(
c.getSuperclass().getMethod(m.getName(), m.getParameterTypes()),
annotationClass);
if (d > 0) {
// since the annotation was on the superclass, add 1
return d + 1;
}
return -1;
} catch (final SecurityException ex) {
return -1;
} catch (final NoSuchMethodException ex) {
return -1;
}
}
public JSONObject put(String key, boolean value) throws JSONException {
return this.put(key, value ? Boolean.TRUE : Boolean.FALSE);
}
public JSONObject put(String key, Collection value) throws JSONException {
return this.put(key, new JSONArray(value));
}
public JSONObject put(String key, double value) throws JSONException {
return this.put(key, Double.valueOf(value));
}
public JSONObject put(String key, float value) throws JSONException {
return this.put(key, Float.valueOf(value));
}
public JSONObject put(String key, int value) throws JSONException {
return this.put(key, Integer.valueOf(value));
}
public JSONObject put(String key, long value) throws JSONException {
return this.put(key, Long.valueOf(value));
}
public JSONObject put(String key, Map value) throws JSONException {
return this.put(key, new JSONObject(value));
}
public JSONObject put(String key, Object value) throws JSONException {
if (key == null) {
throw new NullPointerException("Null key.");
}
if (value != null) {
testValidity(value);
this.map.put(key, value);
} else {
this.remove(key);
}
return this;
}
public JSONObject putOnce(String key, Object value) throws JSONException {
if (key != null && value != null) {
if (this.opt(key) != null) {
throw new JSONException("Duplicate key \"" + key + "\"");
}
return this.put(key, value);
}
return this;
}
public JSONObject putOpt(String key, Object value) throws JSONException {
if (key != null && value != null) {
return this.put(key, value);
}
return this;
}
public Object query(String jsonPointer) {
return query(new JSONPointer(jsonPointer));
}
public Object query(JSONPointer jsonPointer) {
return jsonPointer.queryFrom(this);
}
public Object optQuery(String jsonPointer) {
return optQuery(new JSONPointer(jsonPointer));
}
public Object optQuery(JSONPointer jsonPointer) {
try {
return jsonPointer.queryFrom(this);
} catch (JSONPointerException e) {
return null;
}
}
public Object remove(String key) {
return this.map.remove(key);
}
public boolean similar(Object other) {
try {
if (!(other instanceof JSONObject)) {
return false;
}
if (!this.keySet().equals(((JSONObject)other).keySet())) {
return false;
}
for (final Entry entry : this.entrySet()) {
String name = entry.getKey();
Object valueThis = entry.getValue();
Object valueOther = ((JSONObject)other).get(name);
if(valueThis == valueOther) {
continue;
}
if(valueThis == null) {
return false;
}
if (valueThis instanceof JSONObject) {
if (!((JSONObject)valueThis).similar(valueOther)) {
return false;
}
} else if (valueThis instanceof JSONArray) {
if (!((JSONArray)valueThis).similar(valueOther)) {
return false;
}
} else if (!valueThis.equals(valueOther)) {
return false;
}
}
return true;
} catch (Throwable exception) {
return false;
}
}
protected static boolean isDecimalNotation(final String val) {
return val.indexOf('.') > -1 || val.indexOf('e') > -1
|| val.indexOf('E') > -1 || "-0".equals(val);
}
protected static Number stringToNumber(final String val) throws NumberFormatException {
char initial = val.charAt(0);
if ((initial >= '0' && initial <= '9') || initial == '-') {
// decimal representation
if (isDecimalNotation(val)) {
// Use a BigDecimal all the time so we keep the original
// representation. BigDecimal doesn't support -0.0, ensure we
// keep that by forcing a decimal.
try {
BigDecimal bd = new BigDecimal(val);
if(initial == '-' && BigDecimal.ZERO.compareTo(bd)==0) {
return Double.valueOf(-0.0);
}
return bd;
} catch (NumberFormatException retryAsDouble) {
// this is to support "Hex Floats" like this: 0x1.0P-1074
try {
Double d = Double.valueOf(val);
if(d.isNaN() || d.isInfinite()) {
throw new NumberFormatException("val ["+val+"] is not a valid number.");
}
return d;
} catch (NumberFormatException ignore) {
throw new NumberFormatException("val ["+val+"] is not a valid number.");
}
}
}
// block items like 00 01 etc. Java number parsers treat these as Octal.
if(initial == '0' && val.length() > 1) {
char at1 = val.charAt(1);
if(at1 >= '0' && at1 <= '9') {
throw new NumberFormatException("val ["+val+"] is not a valid number.");
}
} else if (initial == '-' && val.length() > 2) {
char at1 = val.charAt(1);
char at2 = val.charAt(2);
if(at1 == '0' && at2 >= '0' && at2 <= '9') {
throw new NumberFormatException("val ["+val+"] is not a valid number.");
}
}
// integer representation.
// This will narrow any values to the smallest reasonable Object representation
// (Integer, Long, or BigInteger)
// BigInteger down conversion: We use a similar bitLenth compare as
// BigInteger#intValueExact uses. Increases GC, but objects hold
// only what they need. i.e. Less runtime overhead if the value is
// long lived.
BigInteger bi = new BigInteger(val);
if(bi.bitLength() <= 31){
return Integer.valueOf(bi.intValue());
}
if(bi.bitLength() <= 63){
return Long.valueOf(bi.longValue());
}
return bi;
}
throw new NumberFormatException("val ["+val+"] is not a valid number.");
}
// Changes to this method must be copied to the corresponding method in
// the XML class to keep full support for Android
public static Object stringToValue(String string) {
if ("".equals(string)) {
return string;
}
// check JSON key words true/false/null
if ("true".equalsIgnoreCase(string)) {
return Boolean.TRUE;
}
if ("false".equalsIgnoreCase(string)) {
return Boolean.FALSE;
}
if ("null".equalsIgnoreCase(string)) {
return JSONObject.NULL;
}
/*
* If it might be a number, try converting it. If a number cannot be
* produced, then the value will just be a string.
*/
char initial = string.charAt(0);
if ((initial >= '0' && initial <= '9') || initial == '-') {
try {
return stringToNumber(string);
} catch (Exception ignore) {
}
}
return string;
}
public JSONArray toJSONArray(JSONArray names) throws JSONException {
if (names == null || names.isEmpty()) {
return null;
}
JSONArray ja = new JSONArray();
for (int i = 0; i < names.length(); i += 1) {
ja.put(this.opt(names.getString(i)));
}
return ja;
}
@Override
public Writer write(Writer writer, int indentFactor, int indent) throws JSONException {
try {
boolean needsComma = false;
writer.write('{');
final int newIndent = indent + indentFactor;
for (final Entry entry : this.entrySet()) {
if (needsComma) {
writer.write(',');
}
if (indentFactor > 0) {
writer.write('\n');
}
indent(writer, newIndent);
final String key = entry.getKey();
writer.write(quote(key));
writer.write(':');
if (indentFactor > 0) {
writer.write(' ');
}
try {
writeValue(writer, entry.getValue(), indentFactor, newIndent);
} catch (Exception e) {
throw new JSONException("Unable to write JSONObject value for key: " + key, e);
}
needsComma = true;
}
if(needsComma){
if (indentFactor > 0) {
writer.write('\n');
}
indent(writer, indent);
}
writer.write('}');
return writer;
} catch (IOException exception) {
throw new JSONException(exception);
}
}
public LinkedHashMap toMap() {
LinkedHashMap results = new LinkedHashMap<>();
for (Entry entry : this.entrySet()) {
Object value;
if (entry.getValue() == null || NULL.equals(entry.getValue())) {
value = null;
} else if (entry.getValue() instanceof JSONObject) {
value = ((JSONObject) entry.getValue()).toMap();
} else if (entry.getValue() instanceof JSONArray) {
value = ((JSONArray) entry.getValue()).toList();
} else {
value = entry.getValue();
}
results.put(entry.getKey(), value);
}
return results;
}
private static JSONException wrongValueFormatException(
String key,
String valueType,
Throwable cause) {
return new JSONException(
"JSONObject[" + quote(key) + "] is not a " + valueType + "."
, cause);
}
private static JSONException wrongValueFormatException(
String key,
String valueType,
Object value,
Throwable cause) {
return new JSONException(
"JSONObject[" + quote(key) + "] is not a " + valueType + " (" + value + ")."
, cause);
}
}
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