Example usage for java.util NoSuchElementException NoSuchElementException

Introduction

In this page you can find the example usage for java.util NoSuchElementException NoSuchElementException.

Prototype

public NoSuchElementException(String s)

Source Link

Document

Constructs a NoSuchElementException , saving a reference to the error message string s for later retrieval by the getMessage method.

Usage

From source file:it.drwolf.ridire.util.JumpToLine.java

/**
 * Seeks to a given line number in a file.
 * //from   w w  w . j a  v  a2s  .c  o m
 * @param line
 */
public long seek(long line) {
    long lineCount = 1L;
    while (this.it_ != null && this.it_.hasNext() && lineCount < line) {
        this.it_.nextLine();
        lineCount += 1L;
    }
    // If we got to the end of the file, but haven't read as many
    // lines as we should have, then the requested line number is
    // out of range.
    if (lineCount < line) {
        throw new NoSuchElementException("Invalid line number; " + "out of range.");
    }
    this.lastLineRead_ = lineCount;
    return lineCount;
}

From source file:fr.cs.examples.KeyValueFileParser.java

/** Get a raw string value from a parameters map.
 * @param key parameter key/*from w  w w .  jav  a 2  s .c  om*/
 * @return string value corresponding to the key
 * @exception NoSuchElementException if key is not in the map
 */
public String getString(final Key key) throws NoSuchElementException {
    final String value = map.get(key);
    if (value == null) {
        throw new NoSuchElementException(key.toString());
    }
    return value.trim();
}

From source file:ShortPriorityQueue.java

/**
 * Returns the largest element in this queue according to
 * the comparator, throwing an exception if the queue is
 * empty./*www . j  ava2  s  . c o  m*/
 *
 * <p>This method differs from {@link #peek()} only in
 * that it throws an exception if the queue is empty
 * rather than returning {@code null}.
 *
 * @return The largest element in this queue.
 * @throws NoSuchElementException If the queue is empty.
 */
public E element() {
    E result = peek();
    if (result == null)
        throw new NoSuchElementException("");
    return result;
}

From source file:com.github.javaplugs.mybatis.JsonNodeValue.java

/**
 * Return JSON node value (will parse node from string at first call).
 * WARNING if object constructed using JSON as string, and this string is invalid,
 * that exception will be thrown.//  w  w  w.  j  a  va 2  s .  com
 *
 * @return Not null value.
 * @throws NoSuchElementException if value is not present.
 * @throws RuntimeException On JSON parsing errors.
 */
public JsonNode get() throws NoSuchElementException, RuntimeException {
    if (!isPresent()) {
        throw new NoSuchElementException("No value present");
    }

    if (value == null) {
        synchronized (this) {
            if (value == null) {
                try {
                    value = ReaderWriter.readTree(source);
                } catch (Exception ex) {
                    throw new RuntimeException("Can not parse JSON string. " + ex.getMessage(), ex);
                }
            }
        }
    }
    return value;
}

From source file:com.sampas.socbs.core.data.arcsde.impl.ArcSDEPooledConnection.java

public synchronized SeLayer getLayer(final String layerName) throws DataSourceException {
    checkActive();/*from w w  w .j  av  a2 s.c om*/
    if (!cachedLayers.containsKey(layerName)) {
        try {
            cacheLayers();
        } catch (SeException e) {
            throw new DataSourceException("Can't obtain layer " + layerName, e);
        }
    }
    SeLayer seLayer = (SeLayer) cachedLayers.get(layerName);
    if (seLayer == null) {
        throw new NoSuchElementException("Layer '" + layerName + "' not found");
    }
    return seLayer;
}

From source file:FileSerializeCollection.java

public Iterator<Type> iterator() {
    try {/*from   www. j  a  v a2s.  co  m*/
        oos.flush();
        return new Iterator<Type>() {

            private Type next = null;

            private final ObjectInputStream ois = new ObjectInputStream(
                    new BufferedInputStream(new FileInputStream(file)));

            @SuppressWarnings("unchecked")
            public boolean hasNext() {
                try {
                    if (next == null) {
                        next = (Type) ois.readObject();
                    }
                } catch (final EOFException eof) {
                    // do not report exception
                } catch (final Exception e) {
                    System.err.println(e);
                }

                try {
                    if (next == null) {
                        ois.close();
                    }
                } catch (final IOException io) {
                    System.err.println(io);
                }

                return (next != null);
            }

            public Type next() {
                if (hasNext()) {
                    final Type ret = next;
                    next = null;
                    return ret;
                }
                throw new NoSuchElementException("No more elements");
            }

            public void remove() {
                throw new UnsupportedOperationException("remove not supported in DumpSet$iterator()");
            }
        };
    } catch (final IOException io) {
        System.err.println(io);
    }
    return null;
}

From source file:info.rmarcus.birkhoffvonneumann.MatrixUtils.java

private static Iterator<BitSet> bitStringsOfSize(int n) {
    return new Iterator<BitSet>() {
        private BigInteger b = new BigInteger("0");

        @Override/*from  w ww.  j a  v  a  2s.com*/
        public boolean hasNext() {
            return b.compareTo((new BigInteger("2")).pow(n)) < 0;
        }

        @Override
        public @NonNull BitSet next() {
            byte[] bytes = b.toByteArray();
            BitSet toR = BitSet.valueOf(bytes);
            BigInteger nxt = b.add(new BigInteger("1"));
            if (nxt == null || toR == null) {
                throw new NoSuchElementException("Unable to increment big int");
            }
            b = nxt;
            return toR;
        }

    };
}

From source file:eu.crisis_economics.configuration.FromFileConfigurationContext.java

public DefinitionExpression tryGetDefinitionExpression(String literalName) {
    if (!hasDefinitionExpression(literalName))
        throw new NoSuchElementException("'" + literalName + "' has not been defined.");
    return knownDefinitions.get(literalName);
}

From source file:edu.berkeley.compbio.sequtils.sequencefragmentiterator.StubSFI.java

@NotNull
public SequenceFragment next()//Supplies the next read
{
    //assert length == 50;  // test methods should request this
    assert initialized;
    try {//w ww . jav a2  s  .c  o  m
        if (pos >= 14) {
            throw new NoSuchElementException("No more sequences");
        }
        SequenceFragment result = new SequenceFragment(null, "Seq " + pos, 0, sections.get(pos), 50,
                spectrumScanner);
        result.checkAvailable();
        //         Kcount result = theScanner.scanSequence(sections.get(pos), 50);
        //         result.getMetadata().setSequenceName("Seq " + pos);
        charactersRead += result.getLength();
        pos++;
        result.doneLabelling();
        return result;
    } catch (NotEnoughSequenceException e) {
        logger.error("Error", e);
        assert false;
    }
    //   assert false;
    throw new NoSuchElementException();
}

From source file:com.francetelecom.clara.cloud.commons.MavenReference.java

/**
 * Construct a MavenReference from a gav String
 * @param gav/*from  www  . j  a  va 2 s  . c o m*/
 *            format : Group:artifact:version:[classifier:[extension]]
 * @return Corresponding maven reference
 */
public static MavenReference fromGavString(String gav) {
    MavenReference resultMavenRef;

    if (gav == null || gav.length() < 5) {
        throw new IllegalArgumentException("String gav cannot be null nor empty");
    }
    StringTokenizer gavTokenizer = new StringTokenizer(gav, ":", true);
    try {
        String groupId = gavTokenizer.nextToken();
        if (":".equals(groupId)) {
            throw new NoSuchElementException("Missing groupId");
        }
        gavTokenizer.nextToken();
        String artifactId = gavTokenizer.nextToken();
        if (":".equals(artifactId)) {
            throw new NoSuchElementException("Missing artifactId");
        }
        gavTokenizer.nextToken();
        String version = gavTokenizer.nextToken();
        if (":".equals(version)) {
            throw new NoSuchElementException("Missing version");
        }
        if (gavTokenizer.hasMoreTokens()) {
            gavTokenizer.nextToken();
        }

        resultMavenRef = new MavenReference(groupId, artifactId, version);
        if (gavTokenizer.hasMoreTokens()) {
            String classifier = gavTokenizer.nextToken();
            if (!":".equals(classifier)) {
                resultMavenRef.setClassifier(classifier);
                if (gavTokenizer.hasMoreTokens()) {
                    gavTokenizer.nextToken();
                }
            }
        }

        if (gavTokenizer.hasMoreTokens()) {
            String extension = gavTokenizer.nextToken();
            if (!":".equals(extension)) {
                resultMavenRef.setExtension(extension);
            }
        }

    } catch (NoSuchElementException nsee) {
        throw new IllegalArgumentException(
                "Wrong format, should be groupId:artifactId:version:[classifier:[extension]]");
    }

    return resultMavenRef;

}