SmackXmlParser.java
- /**
- *
- * Copyright 2019-2021 Florian Schmaus.
- *
- * 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.
- */
- package org.jivesoftware.smack.xml;
- import java.io.BufferedReader;
- import java.io.InputStream;
- import java.io.InputStreamReader;
- import java.io.Reader;
- import java.nio.charset.CharsetDecoder;
- import java.nio.charset.StandardCharsets;
- import java.util.Iterator;
- import java.util.ServiceLoader;
- public class SmackXmlParser {
- private static final ServiceLoader<XmlPullParserFactory> xmlPullParserFactoryServiceLoader;
- static {
- xmlPullParserFactoryServiceLoader = ServiceLoader.load(XmlPullParserFactory.class);
- }
- private static XmlPullParserFactory xmlPullParserFactory;
- public static XmlPullParserFactory getXmlPullParserFactory() {
- final XmlPullParserFactory xmlPullParserFactory = SmackXmlParser.xmlPullParserFactory;
- if (xmlPullParserFactory != null) {
- return xmlPullParserFactory;
- }
- Iterator<XmlPullParserFactory> iterator = xmlPullParserFactoryServiceLoader.iterator();
- if (!iterator.hasNext()) {
- throw new IllegalStateException(
- "No XmlPullParserFactory registered with Service Provider Interface (SPI). Is smack-xmlparser-xpp3 or smack-xmlparser-stax in classpath?");
- }
- return iterator.next();
- }
- public static void setXmlPullParserFactory(XmlPullParserFactory xmlPullParserFactory) {
- SmackXmlParser.xmlPullParserFactory = xmlPullParserFactory;
- }
- /**
- * Creates a new XmlPullParser suitable for parsing XMPP. This means in particular that
- * FEATURE_PROCESS_NAMESPACES is enabled.
- * <p>
- * Note that not all XmlPullParser implementations will return a String on
- * <code>getText()</code> if the parser is on START_ELEMENT or END_ELEMENT. So you must not rely on this
- * behavior when using the parser.
- * </p>
- *
- * @param reader a reader to read the XML data from.
- * @return A suitable XmlPullParser for XMPP parsing.
- * @throws XmlPullParserException in case of an XmlPullParserException.
- */
- public static XmlPullParser newXmlParser(Reader reader) throws XmlPullParserException {
- XmlPullParserFactory xmlPullParserFactory = getXmlPullParserFactory();
- return xmlPullParserFactory.newXmlPullParser(reader);
- }
- public static XmlPullParser newXmlParser(InputStream inputStream) throws XmlPullParserException {
- CharsetDecoder utf8Decoder = StandardCharsets.UTF_8.newDecoder();
- InputStreamReader inputStreamReader = new InputStreamReader(inputStream, utf8Decoder);
- Reader reader = new BufferedReader(inputStreamReader);
- return newXmlParser(reader);
- }
- }