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