Android Open Source - Flight-Computer-Android-Flightradar24 Valid Render Theme

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License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * Copyright 2010, 2011, 2012 mapsforge.org
 *//from   w  w w.  j  a  va  2s.  c  om
 * 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 com.flightcomputer.filefilter;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;

import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParserFactory;

import org.mapsforge.android.maps.rendertheme.RenderThemeHandler;
import org.mapsforge.map.reader.header.FileOpenResult;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;

/**
 * Accepts all valid render theme XML files.
 */
public final class ValidRenderTheme implements ValidFileFilter {
  private FileOpenResult fileOpenResult;

  @Override
  public boolean accept(File file) {
    InputStream inputStream = null;

    try {
      inputStream = new FileInputStream(file);
      RenderThemeHandler renderThemeHandler = new RenderThemeHandler();
      XMLReader xmlReader = SAXParserFactory.newInstance().newSAXParser().getXMLReader();
      xmlReader.setContentHandler(renderThemeHandler);
      xmlReader.parse(new InputSource(inputStream));
      this.fileOpenResult = FileOpenResult.SUCCESS;
    } catch (ParserConfigurationException e) {
      this.fileOpenResult = new FileOpenResult(e.getMessage());
    } catch (SAXException e) {
      this.fileOpenResult = new FileOpenResult(e.getMessage());
    } catch (IOException e) {
      this.fileOpenResult = new FileOpenResult(e.getMessage());
    } finally {
      try {
        if (inputStream != null) {
          inputStream.close();
        }
      } catch (IOException e) {
        this.fileOpenResult = new FileOpenResult(e.getMessage());
      }
    }

    return this.fileOpenResult.isSuccess();
  }

  @Override
  public FileOpenResult getFileOpenResult() {
    return this.fileOpenResult;
  }
}

Java Source Code List

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