103 lines
5.1 KiB
Java
103 lines
5.1 KiB
Java
/**
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*
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* Copyright 2020 Paul Schaub
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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.file_metadata.provider;
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import java.io.IOException;
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import java.text.ParseException;
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import org.jivesoftware.smack.packet.XmlEnvironment;
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import org.jivesoftware.smack.parsing.SmackParsingException;
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import org.jivesoftware.smack.provider.ExtensionElementProvider;
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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.file_metadata.element.FileMetadataElement;
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import org.jivesoftware.smackx.hashes.element.HashElement;
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import org.jivesoftware.smackx.hashes.provider.HashElementProvider;
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import org.jivesoftware.smackx.thumbnails.element.ThumbnailElement;
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import org.jivesoftware.smackx.thumbnails.provider.ThumbnailElementProvider;
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public class FileMetadataElementProvider extends ExtensionElementProvider<FileMetadataElement> {
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@Override
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public FileMetadataElement parse(XmlPullParser parser, int initialDepth, XmlEnvironment xmlEnvironment)
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throws XmlPullParserException, IOException, SmackParsingException, ParseException {
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FileMetadataElement.Builder builder = FileMetadataElement.builder();
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outerloop: while (true) {
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XmlPullParser.Event event = parser.next();
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switch (event) {
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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 FileMetadataElement.ELEMENT:
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parser.next();
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break;
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case FileMetadataElement.ELEM_DATE:
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builder.setModificationDate(ParserUtils.getDateFromNextText(parser));
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break;
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case FileMetadataElement.ELEM_DESC:
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String lang = ParserUtils.getXmlLang(parser);
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builder.addDescription(ParserUtils.getRequiredNextText(parser), lang);
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break;
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case "dimensions": // was replaced with width and height
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String dimensions = ParserUtils.getRequiredNextText(parser);
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String[] split = dimensions.split("x");
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if (split.length != 2) {
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throw new IllegalArgumentException("Invalid dimensions.");
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}
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builder.setWidth(Integer.parseInt(split[0]));
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builder.setHeight(Integer.parseInt(split[1]));
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break;
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case FileMetadataElement.ELEM_WIDTH:
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builder.setWidth(Integer.parseInt(ParserUtils.getRequiredNextText(parser)));
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break;
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case FileMetadataElement.ELEM_HEIGHT:
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builder.setHeight(Integer.parseInt(ParserUtils.getRequiredNextText(parser)));
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break;
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case FileMetadataElement.ELEM_LENGTH:
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builder.setLength(Long.parseLong(ParserUtils.getRequiredNextText(parser)));
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break;
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case FileMetadataElement.ELEM_MEDIA_TYPE:
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builder.setMediaType(ParserUtils.getRequiredNextText(parser));
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break;
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case FileMetadataElement.ELEM_NAME:
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builder.setName(ParserUtils.getRequiredNextText(parser));
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break;
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case FileMetadataElement.ELEM_SIZE:
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builder.setSize(Long.parseLong(ParserUtils.getRequiredNextText(parser)));
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break;
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case HashElement.ELEMENT:
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builder.addHash(HashElementProvider.INSTANCE.parse(parser, parser.getDepth(), xmlEnvironment));
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break;
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case ThumbnailElement.ELEMENT:
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ThumbnailElementProvider provider = new ThumbnailElementProvider();
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builder.addThumbnail(provider.parse(parser, parser.getDepth(), xmlEnvironment));
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}
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break;
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case END_ELEMENT:
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if (parser.getDepth() == initialDepth) break outerloop;
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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 builder.build();
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}
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}
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