Examples with AbortException de.lmu.ifi.dbs.elki.utilities.exceptions.AbortException used on opensource projects

Example 1 with AbortException

use of de.lmu.ifi.dbs.elki.utilities.exceptions.AbortException in project elki by elki-project.

the class CheckELKIServices method checkServices.

/**
 * Retrieve all properties and check them.
 *
 * @param update Folder to update service files in
 */
public void checkServices(String update) {
    TreeSet<String> props = new TreeSet<>();
    Enumeration<URL> us;
    try {
        us = getClass().getClassLoader().getResources(ELKIServiceLoader.RESOURCE_PREFIX);
    } catch (IOException e) {
        throw new AbortException("Error enumerating service folders.", e);
    }
    while (us.hasMoreElements()) {
        URL u = us.nextElement();
        try {
            if (("jar".equals(u.getProtocol()))) {
                JarURLConnection con = (JarURLConnection) u.openConnection();
                try (JarFile jar = con.getJarFile()) {
                    Enumeration<JarEntry> entries = jar.entries();
                    while (entries.hasMoreElements()) {
                        String prop = entries.nextElement().getName();
                        if (prop.startsWith(ELKIServiceLoader.RESOURCE_PREFIX)) {
                            props.add(prop.substring(ELKIServiceLoader.RESOURCE_PREFIX.length()));
                        } else if (prop.startsWith(ELKIServiceLoader.FILENAME_PREFIX)) {
                            props.add(prop.substring(ELKIServiceLoader.FILENAME_PREFIX.length()));
                        }
                    }
                }
                continue;
            }
            if ("file".equals(u.getProtocol())) {
                props.addAll(Arrays.asList(new File(u.toURI()).list()));
            }
        } catch (IOException | URISyntaxException e) {
            throw new AbortException("Error enumerating service folders.", e);
        }
    }
    for (String prop : props) {
        if (LOG.isVerbose()) {
            LOG.verbose("Checking property: " + prop);
        }
        checkService(prop, update);
    }
}

Example 2 with AbortException

use of de.lmu.ifi.dbs.elki.utilities.exceptions.AbortException in project elki by elki-project.

the class CheckELKIServices method main.

/**
 * Main method.
 *
 * @param argv Command line arguments
 */
public static void main(String[] argv) {
    String update = null;
    if (argv.length == 2 && "-update".equals(argv[0])) {
        update = argv[1];
        LOG.info("Updating service files in folder: " + update);
    } else if (argv.length != 0) {
        throw new AbortException("Incorrect command line parameters.");
    }
    new CheckELKIServices().checkServices(update);
}

Example 3 with AbortException

use of de.lmu.ifi.dbs.elki.utilities.exceptions.AbortException in project elki by elki-project.

the class ELKIServiceLoader method load.

/**
 * Load the service file.
 */
public static void load(Class<?> parent, ClassLoader cl) {
    char[] buf = new char[0x4000];
    try {
        String fullName = RESOURCE_PREFIX + parent.getName();
        Enumeration<URL> configfiles = cl.getResources(fullName);
        while (configfiles.hasMoreElements()) {
            URL nextElement = configfiles.nextElement();
            URLConnection conn = nextElement.openConnection();
            conn.setUseCaches(false);
            try (InputStreamReader is = new InputStreamReader(conn.getInputStream(), "UTF-8")) {
                int start = 0, cur = 0, valid = is.read(buf, 0, buf.length);
                char c;
                while (cur < valid) {
                    // Find newline or end
                    while (cur < valid && (c = buf[cur]) != '\n' && c != '\r') {
                        cur++;
                    }
                    if (cur == valid && is.ready()) {
                        // Move consumed buffer contents:
                        if (start > 0) {
                            System.arraycopy(buf, start, buf, 0, valid - start);
                            valid -= start;
                            cur -= start;
                            start = 0;
                        } else if (valid == buf.length) {
                            throw new IOException("Buffer size exceeded. Maximum line length in service files is: " + buf.length + " in file: " + fullName);
                        }
                        valid = is.read(buf, valid, buf.length - valid);
                        continue;
                    }
                    parseLine(parent, buf, start, cur, nextElement);
                    while (cur < valid && ((c = buf[cur]) == '\n' || c == '\r')) {
                        cur++;
                    }
                    start = cur;
                }
            } catch (IOException x) {
                throw new AbortException("Error reading configuration file", x);
            }
        }
    } catch (IOException x) {
        throw new AbortException("Could not load service configuration files.", x);
    }
}

Example 4 with AbortException

use of de.lmu.ifi.dbs.elki.utilities.exceptions.AbortException in project elki by elki-project.

the class ArffParser method loadDenseInstance.

private Object[] loadDenseInstance(StreamTokenizer tokenizer, int[] dimsize, TypeInformation[] etyp, int outdim) throws IOException {
    Object[] data = new Object[outdim];
    for (int out = 0; out < outdim; out++) {
        if (TypeUtil.NUMBER_VECTOR_FIELD.equals(etyp[out])) {
            // For multi-column vectors, read successive columns
            double[] cur = new double[dimsize[out]];
            for (int k = 0; k < dimsize[out]; k++) {
                if (tokenizer.ttype == '?') {
                    cur[k] = Double.NaN;
                } else if (tokenizer.ttype == StreamTokenizer.TT_WORD) {
                    try {
                        cur[k] = ParseUtil.parseDouble(tokenizer.sval);
                    } catch (NumberFormatException e) {
                        throw new AbortException("Expected number value, got: " + tokenizer.sval);
                    }
                } else {
                    throw new AbortException("Expected word token, got: " + tokenizer.toString());
                }
                nextToken(tokenizer);
            }
            data[out] = denseFactory.newNumberVector(cur);
        } else if (TypeUtil.LABELLIST.equals(etyp[out])) {
            // Build a label list out of successive labels
            labels.clear();
            for (int k = 0; k < dimsize[out]; k++) {
                if (tokenizer.ttype != StreamTokenizer.TT_WORD) {
                    throw new AbortException("Expected word token, got: " + tokenizer.toString());
                }
                labels.add(tokenizer.sval);
                nextToken(tokenizer);
            }
            data[out] = LabelList.make(labels);
        } else if (TypeUtil.EXTERNALID.equals(etyp[out])) {
            if (tokenizer.ttype != StreamTokenizer.TT_WORD) {
                throw new AbortException("Expected word token, got: " + tokenizer.toString());
            }
            data[out] = new ExternalID(tokenizer.sval);
            nextToken(tokenizer);
        } else if (TypeUtil.CLASSLABEL.equals(etyp[out])) {
            if (tokenizer.ttype != StreamTokenizer.TT_WORD) {
                throw new AbortException("Expected word token, got: " + tokenizer.toString());
            }
            // TODO: support other class label types.
            ClassLabel lbl = new SimpleClassLabel(tokenizer.sval);
            data[out] = lbl;
            nextToken(tokenizer);
        } else {
            throw new AbortException("Unsupported type for column " + "->" + out + ": " + ((etyp[out] != null) ? etyp[out].toString() : "null"));
        }
    }
    return data;
}

Example 5 with AbortException

use of de.lmu.ifi.dbs.elki.utilities.exceptions.AbortException in project elki by elki-project.

the class ArffParser method setupBundleHeaders.

/**
 * Setup the headers for the object bundle.
 *
 * @param names Attribute names
 * @param targ Target columns
 * @param etyp ELKI type information
 * @param dimsize Number of dimensions in the individual types
 * @param bundle Output bundle
 * @param sparse Flag to create sparse vectors
 */
private void setupBundleHeaders(ArrayList<String> names, int[] targ, TypeInformation[] etyp, int[] dimsize, MultipleObjectsBundle bundle, boolean sparse) {
    for (int in = 0, out = 0; in < targ.length; out++) {
        int nin = in + 1;
        for (; nin < targ.length; nin++) {
            if (targ[nin] != targ[in]) {
                break;
            }
        }
        if (TypeUtil.NUMBER_VECTOR_FIELD.equals(etyp[out])) {
            String[] labels = new String[dimsize[out]];
            // Collect labels:
            for (int i = 0; i < dimsize[out]; i++) {
                labels[i] = names.get(out + i);
            }
            if (!sparse) {
                VectorFieldTypeInformation<DoubleVector> type = new VectorFieldTypeInformation<>(DoubleVector.FACTORY, dimsize[out], labels);
                bundle.appendColumn(type, new ArrayList<DoubleVector>());
            } else {
                VectorFieldTypeInformation<SparseDoubleVector> type = new VectorFieldTypeInformation<>(SparseDoubleVector.FACTORY, dimsize[out], labels);
                bundle.appendColumn(type, new ArrayList<SparseDoubleVector>());
            }
        } else if (TypeUtil.LABELLIST.equals(etyp[out])) {
            StringBuilder label = new StringBuilder(names.get(out));
            for (int i = 1; i < dimsize[out]; i++) {
                label.append(' ').append(names.get(out + i));
            }
            bundle.appendColumn(new SimpleTypeInformation<>(LabelList.class, label.toString()), new ArrayList<LabelList>());
        } else if (TypeUtil.EXTERNALID.equals(etyp[out])) {
            bundle.appendColumn(new SimpleTypeInformation<>(ExternalID.class, names.get(out)), new ArrayList<ExternalID>());
        } else if (TypeUtil.CLASSLABEL.equals(etyp[out])) {
            bundle.appendColumn(new SimpleTypeInformation<>(ClassLabel.class, names.get(out)), new ArrayList<ClassLabel>());
        } else {
            throw new AbortException("Unsupported type for column " + in + "->" + out + ": " + ((etyp[out] != null) ? etyp[out].toString() : "null"));
        }
        assert (out == bundle.metaLength() - 1);
        in = nin;
    }
}