() {
private int nextIndex = 0;
private int length = string.length();
@Override
public boolean hasNext() {
return this.nextIndex < this.length;
}
@Override
public Integer next() {
int result = string.codePointAt(this.nextIndex);
this.nextIndex += Character.charCount(result);
return result;
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
};
}
};
}
/**
* Replace special characters with XML escapes:
*
* {@code
* & (ampersand) is replaced by &
* < (less than) is replaced by <
* > (greater than) is replaced by >
* " (double quote) is replaced by "
* ' (single quote / apostrophe) is replaced by '
* }
*
* @param string
* The string to be escaped.
* @return The escaped string.
*/
public static String escape(String string) {
StringBuilder sb = new StringBuilder(string.length());
for (final int cp : codePointIterator(string)) {
switch (cp) {
case '&':
sb.append("&");
break;
case '<':
sb.append("<");
break;
case '>':
sb.append(">");
break;
case '"':
sb.append(""");
break;
case '\'':
sb.append("'");
break;
default:
if (mustEscape(cp)) {
sb.append("&#x");
sb.append(Integer.toHexString(cp));
sb.append(';');
} else {
sb.appendCodePoint(cp);
}
}
}
return sb.toString();
}
/**
* @param cp code point to test
* @return true if the code point is not valid for an XML
*/
private static boolean mustEscape(int cp) {
/* Valid range from https://www.w3.org/TR/REC-xml/#charsets
*
* #x9 | #xA | #xD | [#x20-#xD7FF] | [#xE000-#xFFFD] | [#x10000-#x10FFFF]
*
* any Unicode character, excluding the surrogate blocks, FFFE, and FFFF.
*/
// isISOControl is true when (cp >= 0 && cp <= 0x1F) || (cp >= 0x7F && cp <= 0x9F)
// all ISO control characters are out of range except tabs and new lines
return (Character.isISOControl(cp)
&& cp != 0x9
&& cp != 0xA
&& cp != 0xD
) || !(
// valid the range of acceptable characters that aren't control
(cp >= 0x20 && cp <= 0xD7FF)
|| (cp >= 0xE000 && cp <= 0xFFFD)
|| (cp >= 0x10000 && cp <= 0x10FFFF)
)
;
}
/**
* Removes XML escapes from the string.
*
* @param string
* string to remove escapes from
* @return string with converted entities
*/
public static String unescape(String string) {
StringBuilder sb = new StringBuilder(string.length());
for (int i = 0, length = string.length(); i < length; i++) {
char c = string.charAt(i);
if (c == '&') {
final int semic = string.indexOf(';', i);
if (semic > i) {
final String entity = string.substring(i + 1, semic);
sb.append(XMLTokener.unescapeEntity(entity));
// skip past the entity we just parsed.
i += entity.length() + 1;
} else {
// this shouldn't happen in most cases since the parser
// errors on unclosed entries.
sb.append(c);
}
} else {
// not part of an entity
sb.append(c);
}
}
return sb.toString();
}
/**
* Throw an exception if the string contains whitespace. Whitespace is not
* allowed in tagNames and attributes.
*
* @param string
* A string.
* @throws JSONException Thrown if the string contains whitespace or is empty.
*/
public static void noSpace(String string) throws JSONException {
int i, length = string.length();
if (length == 0) {
throw new JSONException("Empty string.");
}
for (i = 0; i < length; i += 1) {
if (Character.isWhitespace(string.charAt(i))) {
throw new JSONException("'" + string
+ "' contains a space character.");
}
}
}
/**
* Scan the content following the named tag, attaching it to the context.
*
* @param x
* The XMLTokener containing the source string.
* @param context
* The JSONObject that will include the new material.
* @param name
* The tag name.
* @param config
* The XML parser configuration.
* @param currentNestingDepth
* The current nesting depth.
* @return true if the close tag is processed.
* @throws JSONException Thrown if any parsing error occurs.
*/
private static boolean parse(XMLTokener x, JSONObject context, String name, XMLParserConfiguration config, int currentNestingDepth)
throws JSONException {
char c;
int i;
JSONObject jsonObject = null;
String string;
String tagName;
Object token;
XMLXsiTypeConverter xmlXsiTypeConverter;
// Test for and skip past these forms:
//
//
//
//
// Report errors for these forms:
// <>
// <=
// <<
token = x.nextToken();
// ");
return false;
}
x.back();
} else if (c == '[') {
token = x.nextToken();
if ("CDATA".equals(token)) {
if (x.next() == '[') {
string = x.nextCDATA();
if (string.length() > 0) {
context.accumulate(config.getcDataTagName(), string);
}
return false;
}
}
throw x.syntaxError("Expected 'CDATA['");
}
i = 1;
do {
token = x.nextMeta();
if (token == null) {
throw x.syntaxError("Missing '>' after ' 0);
return false;
} else if (token == QUEST) {
// ");
return false;
} else if (token == SLASH) {
// Close tag
if (x.nextToken() != GT) {
throw x.syntaxError("Misshaped tag");
}
if (config.getForceList().contains(tagName)) {
// Force the value to be an array
if (nilAttributeFound) {
context.append(tagName, JSONObject.NULL);
} else if (jsonObject.length() > 0) {
context.append(tagName, jsonObject);
} else {
context.put(tagName, new JSONArray());
}
} else {
if (nilAttributeFound) {
context.accumulate(tagName, JSONObject.NULL);
} else if (jsonObject.length() > 0) {
context.accumulate(tagName, jsonObject);
} else {
context.accumulate(tagName, "");
}
}
return false;
} else if (token == GT) {
// Content, between <...> and
for (;;) {
token = x.nextContent();
if (token == null) {
if (tagName != null) {
throw x.syntaxError("Unclosed tag " + tagName);
}
return false;
} else if (token instanceof String) {
string = (String) token;
if (string.length() > 0) {
if(xmlXsiTypeConverter != null) {
jsonObject.accumulate(config.getcDataTagName(),
stringToValue(string, xmlXsiTypeConverter));
} else {
jsonObject.accumulate(config.getcDataTagName(),
config.isKeepStrings() ? string : stringToValue(string));
}
}
} else if (token == LT) {
// Nested element
if (currentNestingDepth == config.getMaxNestingDepth()) {
throw x.syntaxError("Maximum nesting depth of " + config.getMaxNestingDepth() + " reached");
}
if (parse(x, jsonObject, tagName, config, currentNestingDepth + 1)) {
if (config.getForceList().contains(tagName)) {
// Force the value to be an array
if (jsonObject.length() == 0) {
context.put(tagName, new JSONArray());
} else if (jsonObject.length() == 1
&& jsonObject.opt(config.getcDataTagName()) != null) {
context.append(tagName, jsonObject.opt(config.getcDataTagName()));
} else {
context.append(tagName, jsonObject);
}
} else {
if (jsonObject.length() == 0) {
context.accumulate(tagName, "");
} else if (jsonObject.length() == 1
&& jsonObject.opt(config.getcDataTagName()) != null) {
context.accumulate(tagName, jsonObject.opt(config.getcDataTagName()));
} else {
if (!config.shouldTrimWhiteSpace()) {
removeEmpty(jsonObject, config);
}
context.accumulate(tagName, jsonObject);
}
}
return false;
}
}
}
} else {
throw x.syntaxError("Misshaped tag");
}
}
}
}
/**
* This method removes any JSON entry which has the key set by XMLParserConfiguration.cDataTagName
* and contains whitespace as this is caused by whitespace between tags. See test XMLTest.testNestedWithWhitespaceTrimmingDisabled.
* @param jsonObject JSONObject which may require deletion
* @param config The XMLParserConfiguration which includes the cDataTagName
*/
private static void removeEmpty(final JSONObject jsonObject, final XMLParserConfiguration config) {
if (jsonObject.has(config.getcDataTagName())) {
final Object s = jsonObject.get(config.getcDataTagName());
if (s instanceof String) {
if (isStringAllWhiteSpace(s.toString())) {
jsonObject.remove(config.getcDataTagName());
}
}
else if (s instanceof JSONArray) {
final JSONArray sArray = (JSONArray) s;
for (int k = sArray.length()-1; k >= 0; k--){
final Object eachString = sArray.get(k);
if (eachString instanceof String) {
String s1 = (String) eachString;
if (isStringAllWhiteSpace(s1)) {
sArray.remove(k);
}
}
}
if (sArray.isEmpty()) {
jsonObject.remove(config.getcDataTagName());
}
}
}
}
private static boolean isStringAllWhiteSpace(final String s) {
for (int k = 0; k typeConverter) {
if(typeConverter != null) {
return typeConverter.convert(string);
}
return stringToValue(string);
}
/**
* This method is the same as {@link JSONObject#stringToValue(String)}.
*
* @param string String to convert
* @return JSON value of this string or the string
*/
// To maintain compatibility with the Android API, this method is a direct copy of
// the one in JSONObject. Changes made here should be reflected there.
// This method should not make calls out of the XML object.
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.
*/
if (potentialNumber(string)) {
try {
return stringToNumber(string);
} catch (Exception ignore) {
}
}
return string;
}
/**
* Convert a well-formed (but not necessarily valid) XML string into a
* JSONObject. Some information may be lost in this transformation because
* JSON is a data format and XML is a document format. XML uses elements,
* attributes, and content text, while JSON uses unordered collections of
* name/value pairs and arrays of values. JSON does not does not like to
* distinguish between elements and attributes. Sequences of similar
* elements are represented as JSONArrays. Content text may be placed in a
* "content" member. Comments, prologs, DTDs, and {@code
* <[ [ ]]>}
* are ignored.
*
* @param string
* The source string.
* @return A JSONObject containing the structured data from the XML string.
* @throws JSONException Thrown if there is an errors while parsing the string
*/
public static JSONObject toJSONObject(String string) throws JSONException {
return toJSONObject(string, XMLParserConfiguration.ORIGINAL);
}
/**
* Convert a well-formed (but not necessarily valid) XML into a
* JSONObject. Some information may be lost in this transformation because
* JSON is a data format and XML is a document format. XML uses elements,
* attributes, and content text, while JSON uses unordered collections of
* name/value pairs and arrays of values. JSON does not does not like to
* distinguish between elements and attributes. Sequences of similar
* elements are represented as JSONArrays. Content text may be placed in a
* "content" member. Comments, prologs, DTDs, and {@code
* <[ [ ]]>}
* are ignored.
*
* @param reader The XML source reader.
* @return A JSONObject containing the structured data from the XML string.
* @throws JSONException Thrown if there is an errors while parsing the string
*/
public static JSONObject toJSONObject(Reader reader) throws JSONException {
return toJSONObject(reader, XMLParserConfiguration.ORIGINAL);
}
/**
* Convert a well-formed (but not necessarily valid) XML into a
* JSONObject. Some information may be lost in this transformation because
* JSON is a data format and XML is a document format. XML uses elements,
* attributes, and content text, while JSON uses unordered collections of
* name/value pairs and arrays of values. JSON does not does not like to
* distinguish between elements and attributes. Sequences of similar
* elements are represented as JSONArrays. Content text may be placed in a
* "content" member. Comments, prologs, DTDs, and {@code
* <[ [ ]]>}
* are ignored.
*
* All values are converted as strings, for 1, 01, 29.0 will not be coerced to
* numbers but will instead be the exact value as seen in the XML document.
*
* @param reader The XML source reader.
* @param keepStrings If true, then values will not be coerced into boolean
* or numeric values and will instead be left as strings
* @return A JSONObject containing the structured data from the XML string.
* @throws JSONException Thrown if there is an errors while parsing the string
*/
public static JSONObject toJSONObject(Reader reader, boolean keepStrings) throws JSONException {
if(keepStrings) {
return toJSONObject(reader, XMLParserConfiguration.KEEP_STRINGS);
}
return toJSONObject(reader, XMLParserConfiguration.ORIGINAL);
}
/**
* Convert a well-formed (but not necessarily valid) XML into a
* JSONObject. Some information may be lost in this transformation because
* JSON is a data format and XML is a document format. XML uses elements,
* attributes, and content text, while JSON uses unordered collections of
* name/value pairs and arrays of values. JSON does not does not like to
* distinguish between elements and attributes. Sequences of similar
* elements are represented as JSONArrays. Content text may be placed in a
* "content" member. Comments, prologs, DTDs, and {@code
* <[ [ ]]>}
* are ignored.
*
* All values are converted as strings, for 1, 01, 29.0 will not be coerced to
* numbers but will instead be the exact value as seen in the XML document.
*
* @param reader The XML source reader.
* @param config Configuration options for the parser
* @return A JSONObject containing the structured data from the XML string.
* @throws JSONException Thrown if there is an errors while parsing the string
*/
public static JSONObject toJSONObject(Reader reader, XMLParserConfiguration config) throws JSONException {
JSONObject jo = new JSONObject();
XMLTokener x = new XMLTokener(reader, config);
while (x.more()) {
x.skipPast("<");
if(x.more()) {
parse(x, jo, null, config, 0);
}
}
return jo;
}
/**
* Convert a well-formed (but not necessarily valid) XML string into a
* JSONObject. Some information may be lost in this transformation because
* JSON is a data format and XML is a document format. XML uses elements,
* attributes, and content text, while JSON uses unordered collections of
* name/value pairs and arrays of values. JSON does not does not like to
* distinguish between elements and attributes. Sequences of similar
* elements are represented as JSONArrays. Content text may be placed in a
* "content" member. Comments, prologs, DTDs, and {@code
* <[ [ ]]>}
* are ignored.
*
* All values are converted as strings, for 1, 01, 29.0 will not be coerced to
* numbers but will instead be the exact value as seen in the XML document.
*
* @param string
* The source string.
* @param keepStrings If true, then values will not be coerced into boolean
* or numeric values and will instead be left as strings
* @return A JSONObject containing the structured data from the XML string.
* @throws JSONException Thrown if there is an errors while parsing the string
*/
public static JSONObject toJSONObject(String string, boolean keepStrings) throws JSONException {
return toJSONObject(new StringReader(string), keepStrings);
}
/**
* Convert a well-formed (but not necessarily valid) XML string into a
* JSONObject. Some information may be lost in this transformation because
* JSON is a data format and XML is a document format. XML uses elements,
* attributes, and content text, while JSON uses unordered collections of
* name/value pairs and arrays of values. JSON does not does not like to
* distinguish between elements and attributes. Sequences of similar
* elements are represented as JSONArrays. Content text may be placed in a
* "content" member. Comments, prologs, DTDs, and {@code
* <[ [ ]]>}
* are ignored.
*
* All values are converted as strings, for 1, 01, 29.0 will not be coerced to
* numbers but will instead be the exact value as seen in the XML document.
*
* @param string
* The source string.
* @param config Configuration options for the parser.
* @return A JSONObject containing the structured data from the XML string.
* @throws JSONException Thrown if there is an errors while parsing the string
*/
public static JSONObject toJSONObject(String string, XMLParserConfiguration config) throws JSONException {
return toJSONObject(new StringReader(string), config);
}
/**
* Convert a JSONObject into a well-formed, element-normal XML string.
*
* @param object
* A JSONObject.
* @return A string.
* @throws JSONException Thrown if there is an error parsing the string
*/
public static String toString(Object object) throws JSONException {
return toString(object, null, XMLParserConfiguration.ORIGINAL);
}
/**
* Convert a JSONObject into a well-formed, element-normal XML string.
*
* @param object
* A JSONObject.
* @param tagName
* The optional name of the enclosing tag.
* @return A string.
* @throws JSONException Thrown if there is an error parsing the string
*/
public static String toString(final Object object, final String tagName) {
return toString(object, tagName, XMLParserConfiguration.ORIGINAL);
}
/**
* Convert a JSONObject into a well-formed, element-normal XML string.
*
* @param object
* A JSONObject.
* @param tagName
* The optional name of the enclosing tag.
* @param config
* Configuration that can control output to XML.
* @return A string.
* @throws JSONException Thrown if there is an error parsing the string
*/
public static String toString(final Object object, final String tagName, final XMLParserConfiguration config)
throws JSONException {
return toString(object, tagName, config, 0, 0);
}
/**
* Convert a JSONObject into a well-formed, element-normal XML string,
* either pretty print or single-lined depending on indent factor.
*
* @param object
* A JSONObject.
* @param tagName
* The optional name of the enclosing tag.
* @param config
* Configuration that can control output to XML.
* @param indentFactor
* The number of spaces to add to each level of indentation.
* @param indent
* The current ident level in spaces.
* @return
* @throws JSONException
*/
private static String toString(final Object object, final String tagName, final XMLParserConfiguration config, int indentFactor, int indent)
throws JSONException {
StringBuilder sb = new StringBuilder();
JSONArray ja;
JSONObject jo;
String string;
if (object instanceof JSONObject) {
// Emit
if (tagName != null) {
sb.append(indent(indent));
sb.append('<');
sb.append(tagName);
sb.append('>');
if(indentFactor > 0){
sb.append("\n");
indent += indentFactor;
}
}
// Loop thru the keys.
// don't use the new entrySet accessor to maintain Android Support
jo = (JSONObject) object;
for (final String key : jo.keySet()) {
Object value = jo.opt(key);
if (value == null) {
value = "";
} else if (value.getClass().isArray()) {
value = new JSONArray(value);
}
// Emit content in body
if (key.equals(config.getcDataTagName())) {
if (value instanceof JSONArray) {
ja = (JSONArray) value;
int jaLength = ja.length();
// don't use the new iterator API to maintain support for Android
for (int i = 0; i < jaLength; i++) {
if (i > 0) {
sb.append('\n');
}
Object val = ja.opt(i);
sb.append(escape(val.toString()));
}
} else {
sb.append(escape(value.toString()));
}
// Emit an array of similar keys
} else if (value instanceof JSONArray) {
ja = (JSONArray) value;
int jaLength = ja.length();
// don't use the new iterator API to maintain support for Android
for (int i = 0; i < jaLength; i++) {
Object val = ja.opt(i);
if (val instanceof JSONArray) {
sb.append('<');
sb.append(key);
sb.append('>');
sb.append(toString(val, null, config, indentFactor, indent));
sb.append("');
} else {
sb.append(toString(val, key, config, indentFactor, indent));
}
}
} else if ("".equals(value)) {
if (config.isCloseEmptyTag()){
sb.append(indent(indent));
sb.append('<');
sb.append(key);
sb.append(">");
sb.append("");
if (indentFactor > 0) {
sb.append("\n");
}
}else {
sb.append(indent(indent));
sb.append('<');
sb.append(key);
sb.append("/>");
if (indentFactor > 0) {
sb.append("\n");
}
}
// Emit a new tag
} else {
sb.append(toString(value, key, config, indentFactor, indent));
}
}
if (tagName != null) {
// Emit the close tag
sb.append(indent(indent - indentFactor));
sb.append("');
if(indentFactor > 0){
sb.append("\n");
}
}
return sb.toString();
}
if (object != null && (object instanceof JSONArray || object.getClass().isArray())) {
if(object.getClass().isArray()) {
ja = new JSONArray(object);
} else {
ja = (JSONArray) object;
}
int jaLength = ja.length();
// don't use the new iterator API to maintain support for Android
for (int i = 0; i < jaLength; i++) {
Object val = ja.opt(i);
// XML does not have good support for arrays. If an array
// appears in a place where XML is lacking, synthesize an
// element.
sb.append(toString(val, tagName == null ? "array" : tagName, config, indentFactor, indent));
}
return sb.toString();
}
string = (object == null) ? "null" : escape(object.toString());
String indentationSuffix = (indentFactor > 0) ? "\n" : "";
if(tagName == null){
return indent(indent) + "\"" + string + "\"" + indentationSuffix;
} else if(string.length() == 0){
return indent(indent) + "<" + tagName + "/>" + indentationSuffix;
} else {
return indent(indent) + "<" + tagName
+ ">" + string + "" + indentationSuffix;
}
}
/**
* Convert a JSONObject into a well-formed, pretty printed element-normal XML string.
*
* @param object
* A JSONObject.
* @param indentFactor
* The number of spaces to add to each level of indentation.
* @return A string.
* @throws JSONException Thrown if there is an error parsing the string
*/
public static String toString(Object object, int indentFactor){
return toString(object, null, XMLParserConfiguration.ORIGINAL, indentFactor);
}
/**
* Convert a JSONObject into a well-formed, pretty printed element-normal XML string.
*
* @param object
* A JSONObject.
* @param tagName
* The optional name of the enclosing tag.
* @param indentFactor
* The number of spaces to add to each level of indentation.
* @return A string.
* @throws JSONException Thrown if there is an error parsing the string
*/
public static String toString(final Object object, final String tagName, int indentFactor) {
return toString(object, tagName, XMLParserConfiguration.ORIGINAL, indentFactor);
}
/**
* Convert a JSONObject into a well-formed, pretty printed element-normal XML string.
*
* @param object
* A JSONObject.
* @param tagName
* The optional name of the enclosing tag.
* @param config
* Configuration that can control output to XML.
* @param indentFactor
* The number of spaces to add to each level of indentation.
* @return A string.
* @throws JSONException Thrown if there is an error parsing the string
*/
public static String toString(final Object object, final String tagName, final XMLParserConfiguration config, int indentFactor)
throws JSONException {
return toString(object, tagName, config, indentFactor, 0);
}
/**
* Return a String consisting of a number of space characters specified by indent
*
* @param indent
* The number of spaces to be appended to the String.
* @return
*/
private static final String indent(int indent) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < indent; i++) {
sb.append(' ');
}
return sb.toString();
}
}