mirror of
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81 lines
3.2 KiB
Java
81 lines
3.2 KiB
Java
/**
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*
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* Copyright 2019-2021 Florian Schmaus.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smack.xml;
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import java.io.BufferedReader;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.io.Reader;
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import java.nio.charset.CharsetDecoder;
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import java.nio.charset.StandardCharsets;
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import java.util.Iterator;
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import java.util.ServiceLoader;
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public class SmackXmlParser {
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private static final ServiceLoader<XmlPullParserFactory> xmlPullParserFactoryServiceLoader;
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static {
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xmlPullParserFactoryServiceLoader = ServiceLoader.load(XmlPullParserFactory.class);
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}
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private static XmlPullParserFactory xmlPullParserFactory;
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public static XmlPullParserFactory getXmlPullParserFactory() {
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final XmlPullParserFactory xmlPullParserFactory = SmackXmlParser.xmlPullParserFactory;
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if (xmlPullParserFactory != null) {
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return xmlPullParserFactory;
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}
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Iterator<XmlPullParserFactory> iterator = xmlPullParserFactoryServiceLoader.iterator();
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if (!iterator.hasNext()) {
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throw new IllegalStateException(
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"No XmlPullParserFactory registered with Service Provider Interface (SPI). Is smack-xmlparser-xpp3 or smack-xmlparser-stax in classpath?");
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}
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return iterator.next();
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}
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public static void setXmlPullParserFactory(XmlPullParserFactory xmlPullParserFactory) {
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SmackXmlParser.xmlPullParserFactory = xmlPullParserFactory;
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}
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/**
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* Creates a new XmlPullParser suitable for parsing XMPP. This means in particular that
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* FEATURE_PROCESS_NAMESPACES is enabled.
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* <p>
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* Note that not all XmlPullParser implementations will return a String on
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* <code>getText()</code> if the parser is on START_ELEMENT or END_ELEMENT. So you must not rely on this
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* behavior when using the parser.
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* </p>
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*
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* @param reader a reader to read the XML data from.
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* @return A suitable XmlPullParser for XMPP parsing.
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* @throws XmlPullParserException in case of an XmlPullParserException.
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*/
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public static XmlPullParser newXmlParser(Reader reader) throws XmlPullParserException {
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XmlPullParserFactory xmlPullParserFactory = getXmlPullParserFactory();
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return xmlPullParserFactory.newXmlPullParser(reader);
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}
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public static XmlPullParser newXmlParser(InputStream inputStream) throws XmlPullParserException {
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CharsetDecoder utf8Decoder = StandardCharsets.UTF_8.newDecoder();
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InputStreamReader inputStreamReader = new InputStreamReader(inputStream, utf8Decoder);
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Reader reader = new BufferedReader(inputStreamReader);
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return newXmlParser(reader);
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}
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}
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