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https://github.com/vanitasvitae/Smack.git
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4133eb175c
Introducing Smack's own XmlPullParser interface which tries to stay as compatible as possible to XPP3. The interface is used to either wrap StAX's XMLStreamReader if Smack is used on Java SE, and XPP3's XmlPullParser if Smack is used on on Android. Fixes SMACK-591. Also introduce JUnit 5 and non-strict javadoc projects.
102 lines
4.2 KiB
Java
102 lines
4.2 KiB
Java
/**
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*
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* Copyright 2014 Anno van Vliet
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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.smackx.xdatavalidation.provider;
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import java.io.IOException;
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import java.util.logging.Logger;
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import org.jivesoftware.smack.util.ParserUtils;
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import org.jivesoftware.smack.xml.XmlPullParser;
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import org.jivesoftware.smack.xml.XmlPullParserException;
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import org.jivesoftware.smackx.xdatavalidation.packet.ValidateElement;
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import org.jivesoftware.smackx.xdatavalidation.packet.ValidateElement.BasicValidateElement;
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import org.jivesoftware.smackx.xdatavalidation.packet.ValidateElement.ListRange;
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import org.jivesoftware.smackx.xdatavalidation.packet.ValidateElement.OpenValidateElement;
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import org.jivesoftware.smackx.xdatavalidation.packet.ValidateElement.RangeValidateElement;
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import org.jivesoftware.smackx.xdatavalidation.packet.ValidateElement.RegexValidateElement;
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/**
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* Extension Provider for Data validation of forms.
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*
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* @author Anno van Vliet
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*
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*/
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public class DataValidationProvider {
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private static final Logger LOGGER = Logger.getLogger(DataValidationProvider.class.getName());
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public static ValidateElement parse(XmlPullParser parser) throws XmlPullParserException, IOException {
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final int initialDepth = parser.getDepth();
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final String dataType = parser.getAttributeValue("", "datatype");
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ValidateElement dataValidation = null;
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ListRange listRange = null;
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outerloop: while (true) {
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XmlPullParser.Event eventType = parser.next();
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switch (eventType) {
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case START_ELEMENT:
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String name = parser.getName();
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switch (name) {
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case OpenValidateElement.METHOD:
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dataValidation = new OpenValidateElement(dataType);
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break;
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case BasicValidateElement.METHOD:
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dataValidation = new BasicValidateElement(dataType);
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break;
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case RangeValidateElement.METHOD:
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dataValidation = new RangeValidateElement(dataType,
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parser.getAttributeValue("", "min"),
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parser.getAttributeValue("", "max")
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);
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break;
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case RegexValidateElement.METHOD:
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dataValidation = new RegexValidateElement(dataType,parser.nextText());
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break;
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case ListRange.ELEMENT:
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Long min = ParserUtils.getLongAttribute(parser, "min");
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Long max = ParserUtils.getLongAttribute(parser, "max");
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if (min != null || max != null) {
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listRange = new ListRange(min, max);
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} else {
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LOGGER.fine("Ignoring list-range element without min or max attribute");
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}
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break;
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default:
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break;
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}
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break;
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case END_ELEMENT:
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if (parser.getDepth() == initialDepth) {
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if (dataValidation == null) {
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// XEP-122 § 3.2 states that "If no validation method is specified,
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// form processors MUST assume <basic/> validation."
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dataValidation = new BasicValidateElement(dataType);
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}
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dataValidation.setListRange(listRange);
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break outerloop;
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}
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break;
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default:
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// Catch all for incomplete switch (MissingCasesInEnumSwitch) statement.
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break;
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}
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}
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return dataValidation;
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}
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}
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