Examples with RrdException org.jrobin.core.RrdException used on opensource projects

Example 31 with RrdException

use of org.jrobin.core.RrdException in project i2p.i2p by i2p.

the class RrdGraphDefTemplate method resolveFont.

private Font resolveFont(Node parentNode) throws RrdException {
    validateTagsOnlyOnce(parentNode, new String[] { "name", "style", "size" });
    String name = null, style = null;
    int size = 0;
    Node[] childNodes = getChildNodes(parentNode);
    for (Node childNode : childNodes) {
        String nodeName = childNode.getNodeName();
        if (nodeName.equals("name")) {
            name = getValue(childNode);
        } else if (nodeName.equals("style")) {
            style = getValue(childNode).toLowerCase();
        } else if (nodeName.equals("size")) {
            size = getValueAsInt(childNode);
        }
    }
    if (name != null && style != null && size > 0) {
        boolean isItalic = style.contains("italic"), isBold = style.contains("bold");
        int fstyle = Font.PLAIN;
        if (isItalic && isBold) {
            fstyle = Font.BOLD + Font.ITALIC;
        } else if (isItalic) {
            fstyle = Font.ITALIC;
        } else if (isBold) {
            fstyle = Font.BOLD;
        }
        return new Font(name, fstyle, size);
    } else {
        throw new RrdException("Incomplete font specification");
    }
}

Example 32 with RrdException

use of org.jrobin.core.RrdException in project i2p.i2p by i2p.

the class RRDFile method initDataLayout.

private void initDataLayout(File file) throws IOException, RrdException {
    if (file.exists()) {
        // Load the data formats from the file
        int bytes = ras.read(buffer, 0, 24);
        if (bytes < 24) {
            throw new RrdException("Invalid RRD file");
        }
        int index;
        if ((index = indexOf(FLOAT_COOKIE_BIG_ENDIAN, buffer)) != -1) {
            bigEndian = true;
        } else if ((index = indexOf(FLOAT_COOKIE_LITTLE_ENDIAN, buffer)) != -1) {
            bigEndian = false;
        } else {
            throw new RrdException("Invalid RRD file");
        }
        switch(index) {
            case 12:
                alignment = 4;
                break;
            case 16:
                alignment = 8;
                break;
            default:
                throw new RuntimeException("Unsupported architecture - neither 32-bit nor 64-bit, or maybe the file is corrupt");
        }
    } else {
    // Default to data formats for this hardware architecture
    }
    // Reset file pointer to start of file
    ras.seek(0);
}

Example 33 with RrdException

use of org.jrobin.core.RrdException in project i2p.i2p by i2p.

the class RRDatabase method getData.

/**
 * Returns data from the database corresponding to the given consolidation
 * function.
 *
 * @param type the consolidation function that should have been applied to
 *             the data.
 * @param step the step size to use.
 * @return the raw data.
 * @throws RrdException if there was a problem locating a data archive with
 *                      the requested consolidation function.
 * @throws IOException  if there was a problem reading data from the database.
 */
public DataChunk getData(ConsolidationFunctionType type, long step) throws RrdException, IOException {
    ArrayList<Archive> possibleArchives = getArchiveList(type);
    if (possibleArchives.size() == 0) {
        throw new RrdException("Database does not contain an Archive of consolidation function type " + type);
    }
    Calendar endCal = Calendar.getInstance();
    endCal.set(Calendar.MILLISECOND, 0);
    Calendar startCal = (Calendar) endCal.clone();
    startCal.add(Calendar.DATE, -1);
    long end = endCal.getTime().getTime() / 1000;
    long start = startCal.getTime().getTime() / 1000;
    Archive archive = findBestArchive(start, end, step, possibleArchives);
    // Tune the parameters
    step = header.pdpStep * archive.pdpCount;
    start -= start % step;
    if (end % step != 0) {
        end += step - end % step;
    }
    int rows = (int) ((end - start) / step + 1);
    // cat.debug("start " + start + " end " + end + " step " + step + " rows "
    // + rows);
    // Find start and end offsets
    // This is terrible - some of this should be encapsulated in Archive - CT.
    long lastUpdateLong = lastUpdate.getTime() / 1000;
    long archiveEndTime = lastUpdateLong - (lastUpdateLong % step);
    long archiveStartTime = archiveEndTime - (step * (archive.rowCount - 1));
    int startOffset = (int) ((start - archiveStartTime) / step);
    int endOffset = (int) ((archiveEndTime - end) / step);
    // cat.debug("start " + archiveStartTime + " end " + archiveEndTime
    // + " startOffset " + startOffset + " endOffset "
    // + (archive.rowCount - endOffset));
    DataChunk chunk = new DataChunk(start, startOffset, endOffset, step, header.dsCount, rows);
    archive.loadData(chunk);
    return chunk;
}

Example 34 with RrdException

use of org.jrobin.core.RrdException in project i2p.i2p by i2p.

the class Epoch method convert.

private void convert() {
    String time = inputField.getText().trim();
    if (time.length() > 0) {
        // try simple timestamp
        try {
            long timestamp = Long.parseLong(time);
            Date date = new Date(timestamp * 1000L);
            formatDate(date);
        } catch (NumberFormatException nfe) {
            // failed, try as a date
            try {
                inputField.setText("" + parseDate(time));
            } catch (RrdException e) {
                inputField.setText("Could not convert, sorry");
            }
        }
    }
}

Example 35 with RrdException

use of org.jrobin.core.RrdException in project i2p.i2p by i2p.

the class TimeSpec method getTime.

GregorianCalendar getTime() throws RrdException {
    GregorianCalendar gc;
    // absoulte time, this is easy
    if (type == TYPE_ABSOLUTE) {
        gc = new GregorianCalendar(year + 1900, month, day, hour, min, sec);
    } else // relative time, we need a context to evaluate it
    if (context != null && context.type == TYPE_ABSOLUTE) {
        gc = context.getTime();
    } else // how would I guess what time it was?
    {
        throw new RrdException("Relative times like '" + dateString + "' require proper absolute context to be evaluated");
    }
    gc.add(Calendar.YEAR, dyear);
    gc.add(Calendar.MONTH, dmonth);
    gc.add(Calendar.DAY_OF_MONTH, dday);
    gc.add(Calendar.HOUR_OF_DAY, dhour);
    gc.add(Calendar.MINUTE, dmin);
    gc.add(Calendar.SECOND, dsec);
    return gc;
}