Examples of jsky.util.gui.ProgressBarFilterInputStream

jsky.util.gui.ProgressBarFilterInputStream
Monitors reading from a given stream or URL and updates a given progress bar and text field to show the amount of data read so far.

                } else {
                    // normal URL
                    urlStr = StringUtil.replace(urlStr, " ", "%20");
                    URL queryUrl = new URL(urlStr);
                    _progressPanel = _getProgressPanel("Downloading query results ...");
                    ProgressBarFilterInputStream in = null;
                    try {
                        URLConnection connection = _progressPanel.openConnection(queryUrl);
                        String contentType = connection.getContentType();
                        if (contentType != null && contentType.equals("text/html")) {
                            // might be an HTML error from the catalog server

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        _worker = new SwingWorker() {


            public Object construct() {
                setDownloadState(true);
                try {
                    ProgressBarFilterInputStream in = _progressPanel.getLoggedInputStream(url);
                    InputStream stream = SeekableStream.wrapInputStream(in, true);
                    setImage(JAI.create("stream", stream));
                } catch (Exception e) {
                    return e;
                }

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                setDownloadState(true);
                try {
                    String dir = Preferences.getPreferences().getCacheDir().getPath();
                    File file = File.createTempFile("jsky", ".tmp", new File(dir));
                    //file.deleteOnExit();
                    ProgressBarFilterInputStream in = _progressPanel.getLoggedInputStream(url);
                    FileOutputStream out = new FileOutputStream(file);
                    FileUtil.copy(in, out);
                    in.close();
                    out.close();
                    filename = file.toString();
                } catch (Exception e) {
                    return e;
                }

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                suffix = ".tmp";  // other image formats...
            }


            File file = File.createTempFile("jsky", suffix, new File(dir));
            ProgressPanel progressPanel = getProgressPanel();
            ProgressBarFilterInputStream in = progressPanel.getLoggedInputStream(url);
            FileOutputStream out = new FileOutputStream(file);


            // copy the data
            byte[] buffer = new byte[8 * 1024];
            while (true) {
                int bytesRead = in.read(buffer);
                if (bytesRead == -1) {
                    break;
                }
                if (progressPanel.isInterrupted()) {
                    throw new ProgressException("Interrupted");
                }
                out.write(buffer, 0, bytesRead);
            }


            in.close();
            out.flush();
            out.close();


            if (!progressPanel.isInterrupted()) {
                SwingUtilities.invokeLater(new NavigatorImageLoader(file.toString(), url));

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        }


        if (_progressPanel == null) {
            _progressPanel = ProgressPanel.makeProgressPanel("Downloading query results ...");
        }
        ProgressBarFilterInputStream in = null;
        try {
            URLConnection connection = _progressPanel.openConnection(queryUrl);
            String contentType = connection.getContentType();
            if (contentType != null && contentType.equals("text/html")) {
                // might be an HTML error from the catalog server

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Related Classes of jsky.util.gui.ProgressBarFilterInputStream

jsky.catalog.astrocat.AstroCatalog

jsky.catalog.skycat.SkycatCatalog

jsky.image.gui.DivaMainImageDisplay

jsky.navigator.Navigator

jsky.util.SwingWorker

javax.swing.JPanel

javax.swing.DefaultBoundedRangeModel

javax.swing.JFrame

java.awt.BorderLayout

java.net.URL

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