diff options
| author |   sg481n <sg481n@att.com> | 2017-08-03 17:56:38 -0400 |
|---|---|---|
| committer | Sai Gandham <sg481n@att.com> | 2017-08-04 15:41:45 +0000 |
| commit | aaf2df8b908fcb48043d2cd51803d8fd99f18b43 (patch) | |
| tree | 5f90faea16d339e30ee2b7dc6607d7fdbfaeaaa7 /datarouter-prov/src/main/java/org/json/XML.java | |
| parent | 6ec9a9ce6c1062efa99da501fe8c6ea116aebf6f (diff) | |
[DMAAP-48] Initial code import
Change-Id: I3e65371093487d7de167ec6c29f327f366f1e299
Signed-off-by: sg481n <sg481n@att.com>
Diffstat (limited to 'datarouter-prov/src/main/java/org/json/XML.java')
| -rw-r--r-- | datarouter-prov/src/main/java/org/json/XML.java | 530 |
1 files changed, 530 insertions, 0 deletions
diff --git a/datarouter-prov/src/main/java/org/json/XML.java b/datarouter-prov/src/main/java/org/json/XML.java new file mode 100644 index 00000000..33f43e51 --- /dev/null +++ b/datarouter-prov/src/main/java/org/json/XML.java @@ -0,0 +1,530 @@ +/*******************************************************************************
+ * ============LICENSE_START==================================================
+ * * org.onap.dmaap
+ * * ===========================================================================
+ * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * * ===========================================================================
+ * * Licensed under the Apache License, Version 2.0 (the "License");
+ * * you may not use this file except in compliance with the License.
+ * * You may obtain a copy of the License at
+ * *
+ * * http://www.apache.org/licenses/LICENSE-2.0
+ * *
+ * * Unless required by applicable law or agreed to in writing, software
+ * * distributed under the License is distributed on an "AS IS" BASIS,
+ * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * * See the License for the specific language governing permissions and
+ * * limitations under the License.
+ * * ============LICENSE_END====================================================
+ * *
+ * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * *
+ ******************************************************************************/
+package org.json;
+
+/*
+Copyright (c) 2002 JSON.org
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+The Software shall be used for Good, not Evil.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+
+import java.util.Iterator;
+
+
+/**
+ * This provides static methods to convert an XML text into a JSONObject,
+ * and to covert a JSONObject into an XML text.
+ * @author JSON.org
+ * @version 2012-10-26
+ */
+public class XML {
+
+ /** The Character '&'. */
+ public static final Character AMP = new Character('&');
+
+ /** The Character '''. */
+ public static final Character APOS = new Character('\'');
+
+ /** The Character '!'. */
+ public static final Character BANG = new Character('!');
+
+ /** The Character '='. */
+ public static final Character EQ = new Character('=');
+
+ /** The Character '>'. */
+ public static final Character GT = new Character('>');
+
+ /** The Character '<'. */
+ public static final Character LT = new Character('<');
+
+ /** The Character '?'. */
+ public static final Character QUEST = new Character('?');
+
+ /** The Character '"'. */
+ public static final Character QUOT = new Character('"');
+
+ /** The Character '/'. */
+ public static final Character SLASH = new Character('/');
+
+ /**
+ * Replace special characters with XML escapes:
+ * <pre>
+ * & <small>(ampersand)</small> is replaced by &amp;
+ * < <small>(less than)</small> is replaced by &lt;
+ * > <small>(greater than)</small> is replaced by &gt;
+ * " <small>(double quote)</small> is replaced by &quot;
+ * </pre>
+ * @param string The string to be escaped.
+ * @return The escaped string.
+ */
+ public static String escape(String string) {
+ StringBuffer sb = new StringBuffer();
+ for (int i = 0, length = string.length(); i < length; i++) {
+ char c = string.charAt(i);
+ switch (c) {
+ case '&':
+ sb.append("&");
+ break;
+ case '<':
+ sb.append("<");
+ break;
+ case '>':
+ sb.append(">");
+ break;
+ case '"':
+ sb.append(""");
+ break;
+ case '\'':
+ sb.append("'");
+ break;
+ default:
+ sb.append(c);
+ }
+ }
+ return sb.toString();
+ }
+
+ /**
+ * Throw an exception if the string contains whitespace.
+ * Whitespace is not allowed in tagNames and attributes.
+ * @param string
+ * @throws JSONException
+ */
+ 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.
+ * @return true if the close tag is processed.
+ * @throws JSONException
+ */
+ private static boolean parse(XMLTokener x, JSONObject context,
+ String name) throws JSONException {
+ char c;
+ int i;
+ JSONObject jsonobject = null;
+ String string;
+ String tagName;
+ Object token;
+
+// Test for and skip past these forms:
+// <!-- ... -->
+// <! ... >
+// <![ ... ]]>
+// <? ... ?>
+// Report errors for these forms:
+// <>
+// <=
+// <<
+
+ token = x.nextToken();
+
+// <!
+
+ if (token == BANG) {
+ c = x.next();
+ if (c == '-') {
+ if (x.next() == '-') {
+ x.skipPast("-->");
+ 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("content", string);
+ }
+ return false;
+ }
+ }
+ throw x.syntaxError("Expected 'CDATA['");
+ }
+ i = 1;
+ do {
+ token = x.nextMeta();
+ if (token == null) {
+ throw x.syntaxError("Missing '>' after '<!'.");
+ } else if (token == LT) {
+ i += 1;
+ } else if (token == GT) {
+ i -= 1;
+ }
+ } while (i > 0);
+ return false;
+ } else if (token == QUEST) {
+
+// <?
+
+ x.skipPast("?>");
+ return false;
+ } else if (token == SLASH) {
+
+// Close tag </
+
+ token = x.nextToken();
+ if (name == null) {
+ throw x.syntaxError("Mismatched close tag " + token);
+ }
+ if (!token.equals(name)) {
+ throw x.syntaxError("Mismatched " + name + " and " + token);
+ }
+ if (x.nextToken() != GT) {
+ throw x.syntaxError("Misshaped close tag");
+ }
+ return true;
+
+ } else if (token instanceof Character) {
+ throw x.syntaxError("Misshaped tag");
+
+// Open tag <
+
+ } else {
+ tagName = (String)token;
+ token = null;
+ jsonobject = new JSONObject();
+ for (;;) {
+ if (token == null) {
+ token = x.nextToken();
+ }
+
+// attribute = value
+
+ if (token instanceof String) {
+ string = (String)token;
+ token = x.nextToken();
+ if (token == EQ) {
+ token = x.nextToken();
+ if (!(token instanceof String)) {
+ throw x.syntaxError("Missing value");
+ }
+ jsonobject.accumulate(string,
+ XML.stringToValue((String)token));
+ token = null;
+ } else {
+ jsonobject.accumulate(string, "");
+ }
+
+// Empty tag <.../>
+
+ } else if (token == SLASH) {
+ if (x.nextToken() != GT) {
+ throw x.syntaxError("Misshaped tag");
+ }
+ if (jsonobject.length() > 0) {
+ context.accumulate(tagName, jsonobject);
+ } else {
+ context.accumulate(tagName, "");
+ }
+ return false;
+
+// Content, between <...> and </...>
+
+ } else if (token == GT) {
+ 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) {
+ jsonobject.accumulate("content",
+ XML.stringToValue(string));
+ }
+
+// Nested element
+
+ } else if (token == LT) {
+ if (parse(x, jsonobject, tagName)) {
+ if (jsonobject.length() == 0) {
+ context.accumulate(tagName, "");
+ } else if (jsonobject.length() == 1 &&
+ jsonobject.opt("content") != null) {
+ context.accumulate(tagName,
+ jsonobject.opt("content"));
+ } else {
+ context.accumulate(tagName, jsonobject);
+ }
+ return false;
+ }
+ }
+ }
+ } else {
+ throw x.syntaxError("Misshaped tag");
+ }
+ }
+ }
+ }
+
+
+ /**
+ * Try to convert a string into a number, boolean, or null. If the string
+ * can't be converted, return the string. This is much less ambitious than
+ * JSONObject.stringToValue, especially because it does not attempt to
+ * convert plus forms, octal forms, hex forms, or E forms lacking decimal
+ * points.
+ * @param string A String.
+ * @return A simple JSON value.
+ */
+ public static Object stringToValue(String string) {
+ if ("".equals(string)) {
+ return string;
+ }
+ if ("true".equalsIgnoreCase(string)) {
+ return Boolean.TRUE;
+ }
+ if ("false".equalsIgnoreCase(string)) {
+ return Boolean.FALSE;
+ }
+ if ("null".equalsIgnoreCase(string)) {
+ return JSONObject.NULL;
+ }
+ if ("0".equals(string)) {
+ return new Integer(0);
+ }
+
+// If it might be a number, try converting it. If that doesn't work,
+// return the string.
+
+ try {
+ char initial = string.charAt(0);
+ boolean negative = false;
+ if (initial == '-') {
+ initial = string.charAt(1);
+ negative = true;
+ }
+ if (initial == '0' && string.charAt(negative ? 2 : 1) == '0') {
+ return string;
+ }
+ if ((initial >= '0' && initial <= '9')) {
+ if (string.indexOf('.') >= 0) {
+ return Double.valueOf(string);
+ } else if (string.indexOf('e') < 0 && string.indexOf('E') < 0) {
+ Long myLong = new Long(string);
+ if (myLong.longValue() == myLong.intValue()) {
+ return new Integer(myLong.intValue());
+ } else {
+ return myLong;
+ }
+ }
+ }
+ } 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><[ [ ]]></code> are ignored.
+ * @param string The source string.
+ * @return A JSONObject containing the structured data from the XML string.
+ * @throws JSONException
+ */
+ public static JSONObject toJSONObject(String string) throws JSONException {
+ JSONObject jo = new JSONObject();
+ XMLTokener x = new XMLTokener(string);
+ while (x.more() && x.skipPast("<")) {
+ parse(x, jo, null);
+ }
+ return jo;
+ }
+
+
+ /**
+ * Convert a JSONObject into a well-formed, element-normal XML string.
+ * @param object A JSONObject.
+ * @return A string.
+ * @throws JSONException
+ */
+ public static String toString(Object object) throws JSONException {
+ return toString(object, null);
+ }
+
+
+ /**
+ * 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
+ */
+ public static String toString(Object object, String tagName)
+ throws JSONException {
+ StringBuffer sb = new StringBuffer();
+ int i;
+ JSONArray ja;
+ JSONObject jo;
+ String key;
+ Iterator<String> keys;
+ int length;
+ String string;
+ Object value;
+ if (object instanceof JSONObject) {
+
+// Emit <tagName>
+
+ if (tagName != null) {
+ sb.append('<');
+ sb.append(tagName);
+ sb.append('>');
+ }
+
+// Loop thru the keys.
+
+ jo = (JSONObject)object;
+ keys = jo.keys();
+ while (keys.hasNext()) {
+ key = keys.next().toString();
+ value = jo.opt(key);
+ if (value == null) {
+ value = "";
+ }
+ if (value instanceof String) {
+ string = (String)value;
+ } else {
+ string = null;
+ }
+
+// Emit content in body
+
+ if ("content".equals(key)) {
+ if (value instanceof JSONArray) {
+ ja = (JSONArray)value;
+ length = ja.length();
+ for (i = 0; i < length; i += 1) {
+ if (i > 0) {
+ sb.append('\n');
+ }
+ sb.append(escape(ja.get(i).toString()));
+ }
+ } else {
+ sb.append(escape(value.toString()));
+ }
+
+// Emit an array of similar keys
+
+ } else if (value instanceof JSONArray) {
+ ja = (JSONArray)value;
+ length = ja.length();
+ for (i = 0; i < length; i += 1) {
+ value = ja.get(i);
+ if (value instanceof JSONArray) {
+ sb.append('<');
+ sb.append(key);
+ sb.append('>');
+ sb.append(toString(value));
+ sb.append("</");
+ sb.append(key);
+ sb.append('>');
+ } else {
+ sb.append(toString(value, key));
+ }
+ }
+ } else if ("".equals(value)) {
+ sb.append('<');
+ sb.append(key);
+ sb.append("/>");
+
+// Emit a new tag <k>
+
+ } else {
+ sb.append(toString(value, key));
+ }
+ }
+ if (tagName != null) {
+
+// Emit the </tagname> close tag
+
+ sb.append("</");
+ sb.append(tagName);
+ sb.append('>');
+ }
+ return sb.toString();
+
+// XML does not have good support for arrays. If an array appears in a place
+// where XML is lacking, synthesize an <array> element.
+
+ } else {
+ if (object.getClass().isArray()) {
+ object = new JSONArray(object);
+ }
+ if (object instanceof JSONArray) {
+ ja = (JSONArray)object;
+ length = ja.length();
+ for (i = 0; i < length; i += 1) {
+ sb.append(toString(ja.opt(i), tagName == null ? "array" : tagName));
+ }
+ return sb.toString();
+ } else {
+ string = (object == null) ? "null" : escape(object.toString());
+ return (tagName == null) ? "\"" + string + "\"" :
+ (string.length() == 0) ? "<" + tagName + "/>" :
+ "<" + tagName + ">" + string + "</" + tagName + ">";
+ }
+ }
+ }
+}
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