mirror of
https://github.com/vanitasvitae/Smack.git
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0d8f3185e5
SMACK-610
193 lines
6.4 KiB
Java
193 lines
6.4 KiB
Java
/**
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*
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* Copyright © 2014 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.util;
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import java.io.IOException;
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import java.net.URI;
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import java.net.URISyntaxException;
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import java.text.ParseException;
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import java.util.Date;
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import java.util.Locale;
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import org.jxmpp.jid.BareJid;
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import org.jxmpp.jid.Jid;
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import org.jxmpp.jid.impl.JidCreate;
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import org.jxmpp.jid.parts.Resourcepart;
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import org.jxmpp.stringprep.XmppStringprepException;
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import org.jxmpp.util.XmppDateTime;
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import org.xmlpull.v1.XmlPullParser;
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import org.xmlpull.v1.XmlPullParserException;
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public class ParserUtils {
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/**
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* The constant String "jid".
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*/
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public static final String JID = "jid";
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public static void assertAtStartTag(XmlPullParser parser) throws XmlPullParserException {
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assert(parser.getEventType() == XmlPullParser.START_TAG);
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}
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public static void assertAtEndTag(XmlPullParser parser) throws XmlPullParserException {
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assert(parser.getEventType() == XmlPullParser.END_TAG);
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}
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public static void forwardToEndTagOfDepth(XmlPullParser parser, int depth)
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throws XmlPullParserException, IOException {
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int event = parser.getEventType();
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while (!(event == XmlPullParser.END_TAG && parser.getDepth() == depth)) {
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event = parser.next();
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}
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}
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public static Jid getJidAttribute(XmlPullParser parser) throws XmppStringprepException {
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return getJidAttribute(parser, JID);
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}
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public static Jid getJidAttribute(XmlPullParser parser, String name) throws XmppStringprepException {
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final String jidString = parser.getAttributeValue("", name);
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if (jidString == null) {
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return null;
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}
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return JidCreate.from(jidString);
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}
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public static BareJid getBareJidAttribute(XmlPullParser parser) throws XmppStringprepException {
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return getBareJidAttribute(parser, JID);
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}
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public static BareJid getBareJidAttribute(XmlPullParser parser, String name) throws XmppStringprepException {
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final String jidString = parser.getAttributeValue("", name);
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if (jidString == null) {
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return null;
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}
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return JidCreate.bareFrom(jidString);
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}
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public static Resourcepart getResourcepartAttribute(XmlPullParser parser, String name) throws XmppStringprepException {
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final String resourcepartString = parser.getAttributeValue("", name);
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if (resourcepartString == null) {
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return null;
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}
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return Resourcepart.from(resourcepartString);
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}
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/**
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* Get the boolean value of an argument.
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*
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* @param parser
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* @param name
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* @return the boolean value or null of no argument of the given name exists
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*/
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public static Boolean getBooleanAttribute(XmlPullParser parser, String name) {
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String valueString = parser.getAttributeValue("", name);
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if (valueString == null)
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return null;
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valueString = valueString.toLowerCase(Locale.US);
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if (valueString.equals("true") || valueString.equals("0")) {
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return true;
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} else {
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return false;
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}
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}
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public static boolean getBooleanAttribute(XmlPullParser parser, String name,
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boolean defaultValue) {
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Boolean bool = getBooleanAttribute(parser, name);
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if (bool == null) {
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return defaultValue;
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}
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else {
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return bool;
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}
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}
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public static Integer getIntegerAttribute(XmlPullParser parser, String name) {
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String valueString = parser.getAttributeValue("", name);
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if (valueString == null)
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return null;
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return Integer.valueOf(valueString);
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}
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public static int getIntegerAttribute(XmlPullParser parser, String name, int defaultValue) {
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Integer integer = getIntegerAttribute(parser, name);
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if (integer == null) {
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return defaultValue;
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}
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else {
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return integer;
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}
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}
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public static int getIntegerFromNextText(XmlPullParser parser) throws XmlPullParserException, IOException {
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String intString = parser.nextText();
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return Integer.valueOf(intString);
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}
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public static Long getLongAttribute(XmlPullParser parser, String name) {
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String valueString = parser.getAttributeValue("", name);
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if (valueString == null)
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return null;
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return Long.valueOf(valueString);
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}
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public static long getLongAttribute(XmlPullParser parser, String name, long defaultValue) {
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Long l = getLongAttribute(parser, name);
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if (l == null) {
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return defaultValue;
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}
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else {
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return l;
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}
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}
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public static double getDoubleFromNextText(XmlPullParser parser) throws XmlPullParserException, IOException {
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String doubleString = parser.nextText();
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return Double.valueOf(doubleString);
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}
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public static Double getDoubleAttribute(XmlPullParser parser, String name) {
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String valueString = parser.getAttributeValue("", name);
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if (valueString == null)
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return null;
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return Double.valueOf(valueString);
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}
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public static double getDoubleAttribute(XmlPullParser parser, String name, long defaultValue) {
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Double d = getDoubleAttribute(parser, name);
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if (d == null) {
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return defaultValue;
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}
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else {
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return d;
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}
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}
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public static Date getDateFromNextText(XmlPullParser parser) throws XmlPullParserException, IOException, ParseException {
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String dateString = parser.nextText();
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return XmppDateTime.parseDate(dateString);
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}
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public static URI getUriFromNextText(XmlPullParser parser) throws XmlPullParserException, IOException, URISyntaxException {
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String uriString = parser.nextText();
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URI uri = new URI(uriString);
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return uri;
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}
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}
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