64 lines
2.3 KiB
Java

/*
* Copyright 2010, 2011, 2012 mapsforge.org
* Copyright 2016-2017 devemux86
* Copyright 2017 Longri
*
* This program is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.oscim.android.filepicker;
import org.oscim.theme.ExternalRenderTheme;
import org.oscim.theme.ThemeFile;
import org.oscim.theme.ThemeUtils;
import org.oscim.theme.XmlMapsforgeThemeBuilder;
import org.oscim.theme.XmlThemeBuilder;
import org.oscim.tiling.TileSource.OpenResult;
import org.xml.sax.InputSource;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.DefaultHandler;
import java.io.File;
import javax.xml.parsers.SAXParserFactory;
/**
* Accepts all valid render theme XML files.
*/
public final class ValidRenderTheme implements ValidFileFilter {
private OpenResult mOpenResult;
@Override
public boolean accept(File file) {
try {
ThemeFile theme = new ExternalRenderTheme(file.getAbsolutePath());
DefaultHandler renderThemeHandler;
if (ThemeUtils.isMapsforgeTheme(theme))
renderThemeHandler = new XmlMapsforgeThemeBuilder(theme);
else
renderThemeHandler = new XmlThemeBuilder(theme);
XMLReader xmlReader = SAXParserFactory.newInstance().newSAXParser().getXMLReader();
xmlReader.setContentHandler(renderThemeHandler);
xmlReader.parse(new InputSource(theme.getRenderThemeAsStream()));
mOpenResult = OpenResult.SUCCESS;
} catch (Exception e) {
mOpenResult = new OpenResult(e.getMessage());
}
return mOpenResult.isSuccess();
}
@Override
public OpenResult getFileOpenResult() {
return mOpenResult;
}
}