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Merge branch 'master' into 863-improve-toString-performance-StringBuilderWriter

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Simulant
2024-03-10 21:10:21 +01:00
parent a3f15e5883 48c092acfb
commit 5974fc1a38
28 changed files with 605 additions and 714 deletions
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6
src/main/java/org/json/CDL.java
View File

@@ -25,6 +25,12 @@ Public Domain.
*/
public class CDL {
/**
* Constructs a new CDL object.
*/
public CDL() {
}
/**
* Get the next value. The value can be wrapped in quotes. The value can
* be empty.

6
src/main/java/org/json/Cookie.java
View File

@@ -15,6 +15,12 @@ Public Domain.
*/
public class Cookie {
/**
* Constructs a new Cookie object.
*/
public Cookie() {
}
/**
* Produce a copy of a string in which the characters '+', '%', '=', ';'
* and control characters are replaced with "%hh". This is a gentle form

6
src/main/java/org/json/CookieList.java
View File

@@ -11,6 +11,12 @@ Public Domain.
*/
public class CookieList {
/**
* Constructs a new CookieList object.
*/
public CookieList() {
}
/**
* Convert a cookie list into a JSONObject. A cookie list is a sequence
* of name/value pairs. The names are separated from the values by '='.

6
src/main/java/org/json/HTTP.java
View File

@@ -13,6 +13,12 @@ import java.util.Locale;
*/
public class HTTP {
/**
* Constructs a new HTTP object.
*/
public HTTP() {
}
/** Carriage return/line feed. */
public static final String CRLF = "\r\n";

4
src/main/java/org/json/JSONArray.java
View File

@@ -359,7 +359,7 @@ public class JSONArray implements Iterable<Object> {
if (object instanceof Number) {
return (Number)object;
}
return NumberConversionUtil.stringToNumber(object.toString());
return JSONObject.stringToNumber(object.toString());
} catch (Exception e) {
throw wrongValueFormatException(index, "number", object, e);
}
@@ -1106,7 +1106,7 @@ public class JSONArray implements Iterable<Object> {
if (val instanceof String) {
try {
return NumberConversionUtil.stringToNumber((String) val);
return JSONObject.stringToNumber((String) val);
} catch (Exception e) {
return defaultValue;
}

7
src/main/java/org/json/JSONML.java
View File

@@ -13,6 +13,13 @@ Public Domain.
* @version 2016-01-30
*/
public class JSONML {
/**
* Constructs a new JSONML object.
*/
public JSONML() {
}
/**
* Parse XML values and store them in a JSONArray.
* @param x The XMLTokener containing the source string.

151
src/main/java/org/json/JSONObject.java
View File

@@ -14,22 +14,10 @@ import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.Collection;
import java.util.Collections;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.IdentityHashMap;
import java.util.Iterator;
import java.util.Locale;
import java.util.Map;
import java.util.*;
import java.util.Map.Entry;
import java.util.ResourceBundle;
import java.util.Set;
import java.util.regex.Pattern;
import static org.json.NumberConversionUtil.potentialNumber;
import static org.json.NumberConversionUtil.stringToNumber;
/**
* A JSONObject is an unordered collection of name/value pairs. Its external
* form is a string wrapped in curly braces with colons between the names and
@@ -207,6 +195,21 @@ public class JSONObject {
* duplicated key.
*/
public JSONObject(JSONTokener x) throws JSONException {
this(x, new JSONParserConfiguration());
}
/**
* Construct a JSONObject from a JSONTokener with custom json parse configurations.
*
* @param x
* A JSONTokener object containing the source string.
* @param jsonParserConfiguration
* Variable to pass parser custom configuration for json parsing.
* @throws JSONException
* If there is a syntax error in the source string or a
* duplicated key.
*/
public JSONObject(JSONTokener x, JSONParserConfiguration jsonParserConfiguration) throws JSONException {
this();
char c;
String key;
@@ -236,13 +239,14 @@ public class JSONObject {
if (key != null) {
// Check if key exists
if (this.opt(key) != null) {
// key already exists
boolean keyExists = this.opt(key) != null;
if (keyExists && !jsonParserConfiguration.isOverwriteDuplicateKey()) {
throw x.syntaxError("Duplicate key \"" + key + "\"");
}
// Only add value if non-null
Object value = x.nextValue();
if (value!=null) {
// Only add value if non-null
if (value != null) {
this.put(key, value);
}
}
@@ -298,7 +302,6 @@ public class JSONObject {
/**
* Construct a JSONObject from a map with recursion depth.
*
*/
private JSONObject(Map<?, ?> m, int recursionDepth, JSONParserConfiguration jsonParserConfiguration) {
if (recursionDepth > jsonParserConfiguration.getMaxNestingDepth()) {
@@ -429,7 +432,25 @@ public class JSONObject {
* duplicated key.
*/
public JSONObject(String source) throws JSONException {
this(new JSONTokener(source));
this(source, new JSONParserConfiguration());
}
/**
* Construct a JSONObject from a source JSON text string with custom json parse configurations.
* This is the most commonly used JSONObject constructor.
*
* @param source
* A string beginning with <code>{</code>&nbsp;<small>(left
* brace)</small> and ending with <code>}</code>
* &nbsp;<small>(right brace)</small>.
* @param jsonParserConfiguration
* Variable to pass parser custom configuration for json parsing.
* @exception JSONException
* If there is a syntax error in the source string or a
* duplicated key.
*/
public JSONObject(String source, JSONParserConfiguration jsonParserConfiguration) throws JSONException {
this(new JSONTokener(source), jsonParserConfiguration);
}
/**
@@ -2462,7 +2483,8 @@ public class JSONObject {
* produced, then the value will just be a string.
*/
if (potentialNumber(string)) {
char initial = string.charAt(0);
if ((initial >= '0' && initial <= '9') || initial == '-') {
try {
return stringToNumber(string);
} catch (Exception ignore) {
@@ -2471,8 +2493,75 @@ public class JSONObject {
return string;
}
/**
* Converts a string to a number using the narrowest possible type. Possible
* returns for this function are BigDecimal, Double, BigInteger, Long, and Integer.
* When a Double is returned, it should always be a valid Double and not NaN or +-infinity.
*
* @param val value to convert
* @return Number representation of the value.
* @throws NumberFormatException thrown if the value is not a valid number. A public
* caller should catch this and wrap it in a {@link JSONException} if applicable.
*/
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 bitLength 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.");
}
/**
* Throw an exception if the object is a NaN or infinite number.
@@ -2906,5 +2995,23 @@ public class JSONObject {
);
}
/**
* For a prospective number, remove the leading zeros
* @param value prospective number
* @return number without leading zeros
*/
private static String removeLeadingZerosOfNumber(String value){
if (value.equals("-")){return value;}
boolean negativeFirstChar = (value.charAt(0) == '-');
int counter = negativeFirstChar ? 1:0;
while (counter < value.length()){
if (value.charAt(counter) != '0'){
if (negativeFirstChar) {return "-".concat(value.substring(counter));}
return value.substring(counter);
}
++counter;
}
if (negativeFirstChar) {return "-0";}
return "0";
}
}

74
src/main/java/org/json/JSONParserConfiguration.java
View File

@@ -4,23 +4,67 @@ package org.json;
* Configuration object for the JSON parser. The configuration is immutable.
*/
public class JSONParserConfiguration extends ParserConfiguration {
/**
* Used to indicate whether to overwrite duplicate key or not.
*/
private boolean overwriteDuplicateKey;
/**
* Configuration with the default values.
*/
public JSONParserConfiguration() {
super();
}
/**
* Configuration with the default values.
*/
public JSONParserConfiguration() {
super();
this.overwriteDuplicateKey = false;
}
@Override
protected JSONParserConfiguration clone() {
return new JSONParserConfiguration();
}
@Override
protected JSONParserConfiguration clone() {
JSONParserConfiguration clone = new JSONParserConfiguration();
clone.overwriteDuplicateKey = overwriteDuplicateKey;
clone.maxNestingDepth = maxNestingDepth;
return clone;
}
@SuppressWarnings("unchecked")
@Override
public JSONParserConfiguration withMaxNestingDepth(final int maxNestingDepth) {
return super.withMaxNestingDepth(maxNestingDepth);
}
/**
* Defines the maximum nesting depth that the parser will descend before throwing an exception
* when parsing a map into JSONObject or parsing a {@link java.util.Collection} instance into
* JSONArray. The default max nesting depth is 512, which means the parser will throw a JsonException
* if the maximum depth is reached.
*
* @param maxNestingDepth the maximum nesting depth allowed to the JSON parser
* @return The existing configuration will not be modified. A new configuration is returned.
*/
@SuppressWarnings("unchecked")
@Override
public JSONParserConfiguration withMaxNestingDepth(final int maxNestingDepth) {
JSONParserConfiguration clone = this.clone();
clone.maxNestingDepth = maxNestingDepth;
return clone;
}
/**
* Controls the parser's behavior when meeting duplicate keys.
* If set to false, the parser will throw a JSONException when meeting a duplicate key.
* Or the duplicate key's value will be overwritten.
*
* @param overwriteDuplicateKey defines should the parser overwrite duplicate keys.
* @return The existing configuration will not be modified. A new configuration is returned.
*/
public JSONParserConfiguration withOverwriteDuplicateKey(final boolean overwriteDuplicateKey) {
JSONParserConfiguration clone = this.clone();
clone.overwriteDuplicateKey = overwriteDuplicateKey;
return clone;
}
/**
* The parser's behavior when meeting duplicate keys, controls whether the parser should
* overwrite duplicate keys or not.
*
* @return The <code>overwriteDuplicateKey</code> configuration value.
*/
public boolean isOverwriteDuplicateKey() {
return this.overwriteDuplicateKey;
}
}

6
src/main/java/org/json/JSONPointer.java
View File

@@ -42,6 +42,12 @@ public class JSONPointer {
*/
public static class Builder {
/**
* Constructs a new Builder object.
*/
public Builder() {
}
// Segments for the eventual JSONPointer string
private final List<String> refTokens = new ArrayList<String>();

1
src/main/java/org/json/JSONPropertyName.java
View File

@@ -21,6 +21,7 @@ import java.lang.annotation.Target;
@Target({METHOD})
public @interface JSONPropertyName {
/**
* The value of the JSON property.
* @return The name of the property as to be used in the JSON Object.
*/
String value();

152
src/main/java/org/json/NumberConversionUtil.java
View File

@@ -1,152 +0,0 @@
package org.json;
import java.math.BigDecimal;
import java.math.BigInteger;
class NumberConversionUtil {
/**
* Converts a string to a number using the narrowest possible type. Possible
* returns for this function are BigDecimal, Double, BigInteger, Long, and Integer.
* When a Double is returned, it should always be a valid Double and not NaN or +-infinity.
*
* @param input value to convert
* @return Number representation of the value.
* @throws NumberFormatException thrown if the value is not a valid number. A public
* caller should catch this and wrap it in a {@link JSONException} if applicable.
*/
static Number stringToNumber(final String input) throws NumberFormatException {
String val = input;
if (val.startsWith(".")){
val = "0"+val;
}
if (val.startsWith("-.")){
val = "-0."+val.substring(2);
}
char initial = val.charAt(0);
if ( isNumericChar(initial) || 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 ["+input+"] is not a valid number.");
}
return d;
} catch (NumberFormatException ignore) {
throw new NumberFormatException("val ["+input+"] is not a valid number.");
}
}
}
val = removeLeadingZerosOfNumber(input);
initial = val.charAt(0);
if(initial == '0' && val.length() > 1) {
char at1 = val.charAt(1);
if(isNumericChar(at1)) {
throw new NumberFormatException("val ["+input+"] is not a valid number.");
}
} else if (initial == '-' && val.length() > 2) {
char at1 = val.charAt(1);
char at2 = val.charAt(2);
if(at1 == '0' && isNumericChar(at2)) {
throw new NumberFormatException("val ["+input+"] 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 bitLength 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 ["+input+"] is not a valid number.");
}
/**
* Checks if the character is a numeric digit ('0' to '9').
*
* @param c The character to be checked.
* @return true if the character is a numeric digit, false otherwise.
*/
private static boolean isNumericChar(char c) {
return (c <= '9' && c >= '0');
}
/**
* Checks if the value could be considered a number in decimal number system.
* @param value
* @return
*/
static boolean potentialNumber(String value){
if (value == null || value.isEmpty()){
return false;
}
return potentialPositiveNumberStartingAtIndex(value, (value.charAt(0)=='-'?1:0));
}
/**
* Tests if the value should be tried as a decimal. It makes no test if there are actual digits.
*
* @param val value to test
* @return true if the string is "-0" or if it contains '.', 'e', or 'E', false otherwise.
*/
private static boolean isDecimalNotation(final String val) {
return val.indexOf('.') > -1 || val.indexOf('e') > -1
|| val.indexOf('E') > -1 || "-0".equals(val);
}
private static boolean potentialPositiveNumberStartingAtIndex(String value,int index){
if (index >= value.length()){
return false;
}
return digitAtIndex(value, (value.charAt(index)=='.'?index+1:index));
}
private static boolean digitAtIndex(String value, int index){
if (index >= value.length()){
return false;
}
return value.charAt(index) >= '0' && value.charAt(index) <= '9';
}
/**
* For a prospective number, remove the leading zeros
* @param value prospective number
* @return number without leading zeros
*/
private static String removeLeadingZerosOfNumber(String value){
if (value.equals("-")){return value;}
boolean negativeFirstChar = (value.charAt(0) == '-');
int counter = negativeFirstChar ? 1:0;
while (counter < value.length()){
if (value.charAt(counter) != '0'){
if (negativeFirstChar) {return "-".concat(value.substring(counter));}
return value.substring(counter);
}
++counter;
}
if (negativeFirstChar) {return "-0";}
return "0";
}
}

32
src/main/java/org/json/ParserConfiguration.java
View File

@@ -20,12 +20,12 @@ public class ParserConfiguration {
/**
* Specifies if values should be kept as strings (<code>true</code>), or if
* they should try to be guessed into JSON values (numeric, boolean, string)
* they should try to be guessed into JSON values (numeric, boolean, string).
*/
protected boolean keepStrings;
/**
* The maximum nesting depth when parsing a document.
* The maximum nesting depth when parsing an object.
*/
protected int maxNestingDepth;
@@ -59,14 +59,14 @@ public class ParserConfiguration {
// map should be cloned as well. If the values of the map are known to also
// be immutable, then a shallow clone of the map is acceptable.
return new ParserConfiguration(
this.keepStrings,
this.maxNestingDepth
this.keepStrings,
this.maxNestingDepth
);
}
/**
* When parsing the XML into JSONML, specifies if values should be kept as strings (<code>true</code>), or if
* they should try to be guessed into JSON values (numeric, boolean, string)
* they should try to be guessed into JSON values (numeric, boolean, string).
*
* @return The <code>keepStrings</code> configuration value.
*/
@@ -78,22 +78,21 @@ public class ParserConfiguration {
* When parsing the XML into JSONML, specifies if values should be kept as strings (<code>true</code>), or if
* they should try to be guessed into JSON values (numeric, boolean, string)
*
* @param newVal
* new value to use for the <code>keepStrings</code> configuration option.
* @param <T> the type of the configuration object
*
* @param newVal new value to use for the <code>keepStrings</code> configuration option.
* @param <T> the type of the configuration object
* @return The existing configuration will not be modified. A new configuration is returned.
*/
@SuppressWarnings("unchecked")
public <T extends ParserConfiguration> T withKeepStrings(final boolean newVal) {
T newConfig = (T)this.clone();
T newConfig = (T) this.clone();
newConfig.keepStrings = newVal;
return newConfig;
}
/**
* The maximum nesting depth that the parser will descend before throwing an exception
* when parsing the XML into JSONML.
* when parsing an object (e.g. Map, Collection) into JSON-related objects.
*
* @return the maximum nesting depth set for this configuration
*/
public int getMaxNestingDepth() {
@@ -102,18 +101,19 @@ public class ParserConfiguration {
/**
* Defines the maximum nesting depth that the parser will descend before throwing an exception
* when parsing the XML into JSONML. The default max nesting depth is 512, which means the parser
* will throw a JsonException if the maximum depth is reached.
* when parsing an object (e.g. Map, Collection) into JSON-related objects.
* The default max nesting depth is 512, which means the parser will throw a JsonException if
* the maximum depth is reached.
* Using any negative value as a parameter is equivalent to setting no limit to the nesting depth,
* which means the parses will go as deep as the maximum call stack size allows.
*
* @param maxNestingDepth the maximum nesting depth allowed to the XML parser
* @param <T> the type of the configuration object
*
* @param <T> the type of the configuration object
* @return The existing configuration will not be modified. A new configuration is returned.
*/
@SuppressWarnings("unchecked")
public <T extends ParserConfiguration> T withMaxNestingDepth(int maxNestingDepth) {
T newConfig = (T)this.clone();
T newConfig = (T) this.clone();
if (maxNestingDepth > UNDEFINED_MAXIMUM_NESTING_DEPTH) {
newConfig.maxNestingDepth = maxNestingDepth;

7
src/main/java/org/json/Property.java
View File

@@ -13,6 +13,13 @@ import java.util.Properties;
* @version 2015-05-05
*/
public class Property {
/**
* Constructs a new Property object.
*/
public Property() {
}
/**
* Converts a property file object into a JSONObject. The property file object is a table of name value pairs.
* @param properties java.util.Properties

89
src/main/java/org/json/XML.java
View File

@@ -10,10 +10,6 @@ import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.Iterator;
import static org.json.NumberConversionUtil.potentialNumber;
import static org.json.NumberConversionUtil.stringToNumber;
/**
* This provides static methods to convert an XML text into a JSONObject, and to
* covert a JSONObject into an XML text.
@@ -24,6 +20,12 @@ import static org.json.NumberConversionUtil.stringToNumber;
@SuppressWarnings("boxing")
public class XML {
/**
* Constructs a new XML object.
*/
public XML() {
}
/** The Character '&amp;'. */
public static final Character AMP = '&';
@@ -493,6 +495,76 @@ public class XML {
return true;
}
/**
* direct copy of {@link JSONObject#stringToNumber(String)} to maintain Android support.
*/
private 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 bitLength 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.");
}
/**
* direct copy of {@link JSONObject#isDecimalNotation(String)} to maintain Android support.
*/
private static boolean isDecimalNotation(final String val) {
return val.indexOf('.') > -1 || val.indexOf('e') > -1
|| val.indexOf('E') > -1 || "-0".equals(val);
}
/**
* This method tries to convert the given string value to the target object
@@ -537,7 +609,8 @@ public class XML {
* produced, then the value will just be a string.
*/
if (potentialNumber(string)) {
char initial = string.charAt(0);
if ((initial >= '0' && initial <= '9') || initial == '-') {
try {
return stringToNumber(string);
} catch (Exception ignore) {
@@ -546,11 +619,6 @@ public class XML {
return string;
}
/**
* Convert a well-formed (but not necessarily valid) XML string into a
* JSONObject. Some information may be lost in this transformation because
@@ -969,5 +1037,4 @@ public class XML {
}
return sb.toString();
}
}