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:de.codesourcery.jasm16.compiler.CompilationUnit.java

@Override
public Line getLineForOffset(int offset) throws NoSuchElementException {
    if (offset < 0) {
        throw new IllegalArgumentException("offset must not be negative");
    }/*from   w ww.j a va 2 s . co  m*/
    Line previousLine = null;
    for (Iterator<Line> it = lines.values().iterator(); it.hasNext();) {
        final Line l = it.next();

        if (l.getLineStartingOffset() == offset) {
            return l;
        }

        if (previousLine != null && previousLine.getLineStartingOffset() < offset
                && l.getLineStartingOffset() > offset) {
            return previousLine;
        }
        previousLine = l;
    }
    if (previousLine != null && previousLine.getLineStartingOffset() <= offset) {
        return previousLine;
    }
    throw new NoSuchElementException("Found no line with offset " + offset);
}

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From source file:com.xpn.xwiki.internal.plugin.rightsmanager.UserIterator.java

@Override
public T next() {
    T currentValue = this.lookaheadValue;
    if (currentValue != null) {
        this.lookaheadValue = null;
    } else {//  w w  w  .  ja  v  a  2  s . com
        currentValue = getNext();
        if (currentValue == null) {
            throw new NoSuchElementException(
                    String.format("No more users to extract from the passed references [%s]",
                            serializeUserAndGroupReferences()));
        }
    }
    return currentValue;
}

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From source file:org.dcache.chimera.FsSqlDriver.java

/**
 * the same as listDir, but array of {@HimeraDirectoryEntry} is returned, which contains
 * file attributes as well.//w  w  w  . jav  a 2  s. c om
 *
 * @param dir
 * @return
 */
DirectoryStreamB<HimeraDirectoryEntry> newDirectoryStream(FsInode dir) {
    return new DirectoryStreamB<HimeraDirectoryEntry>() {
        final DirectoryStreamImpl stream = new DirectoryStreamImpl(dir, _jdbc);

        @Override
        public Iterator<HimeraDirectoryEntry> iterator() {
            return new Iterator<HimeraDirectoryEntry>() {
                private HimeraDirectoryEntry current = innerNext();

                @Override
                public boolean hasNext() {
                    return current != null;
                }

                @Override
                public HimeraDirectoryEntry next() {
                    if (current == null) {
                        throw new NoSuchElementException("No more entries");
                    }
                    HimeraDirectoryEntry entry = current;
                    current = innerNext();
                    return entry;
                }

                protected HimeraDirectoryEntry innerNext() {
                    try {
                        ResultSet rs = stream.next();
                        if (rs == null) {
                            return null;
                        }
                        Stat stat = toStat(rs);
                        FsInode inode = new FsInode(dir.getFs(), rs.getLong("inumber"), FsInodeType.INODE, 0,
                                stat);
                        inode.setParent(dir);
                        return new HimeraDirectoryEntry(rs.getString("iname"), inode, stat);
                    } catch (SQLException e) {
                        _log.error("failed to fetch next entry: {}", e.getMessage());
                        return null;
                    }
                }
            };
        }

        @Override
        public void close() throws IOException {
            stream.close();
        }
    };
}

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From source file:net.community.chest.gitcloud.facade.frontend.git.GitController.java

private void serveRequest(RequestMethod method, HttpServletRequest req, HttpServletResponse rsp)
        throws IOException, ServletException {
    if (logger.isDebugEnabled()) {
        logger.debug("serveRequest(" + method + ")[" + req.getRequestURI() + "][" + req.getQueryString() + "]");
    }//from ww  w .  java 2  s  .  co  m

    if ((loopRetryTimeout > 0L) && (!loopDetected)) {
        long now = System.currentTimeMillis(), diff = now - initTimestamp;
        if ((diff > 0L) && (diff < loopRetryTimeout)) {
            try {
                MBeanInfo mbeanInfo = mbeanServer.getMBeanInfo(new ObjectName(
                        "net.community.chest.gitcloud.facade.backend.git:name=BackendRepositoryResolver"));
                if (mbeanInfo != null) {
                    logger.info("serveRequest(" + method + ")[" + req.getRequestURI() + "]["
                            + req.getQueryString() + "]" + " detected loop: " + mbeanInfo.getClassName() + "["
                            + mbeanInfo.getDescription() + "]");
                    loopDetected = true;
                }
            } catch (JMException e) {
                if (logger.isDebugEnabled()) {
                    logger.debug("serveRequest(" + method + ")[" + req.getRequestURI() + "]["
                            + req.getQueryString() + "]" + " failed " + e.getClass().getSimpleName()
                            + " to detect loop: " + e.getMessage());
                }
            }
        }
    }

    ResolvedRepositoryData repoData = resolveTargetRepository(method, req);
    if (repoData == null) {
        throw ExtendedLogUtils.thrownLogging(logger, Level.WARNING,
                "serveRequest(" + method + ")[" + req.getRequestURI() + "][" + req.getQueryString() + "]",
                new NoSuchElementException("Failed to resolve repository"));
    }

    String username = authenticate(req);
    // TODO check if the user is allowed to access the repository via the resolve operation (push/pull) if at all (e.g., private repo)
    logger.info("serveRequest(" + method + ")[" + req.getRequestURI() + "][" + req.getQueryString() + "] user="
            + username);

    /*
     * NOTE: this feature requires enabling cross-context forwarding.
     * In Tomcat, the 'crossContext' attribute in 'Context' element of
     * 'TOMCAT_HOME\conf\context.xml' must be set to true, to enable cross-context 
     */
    if (loopDetected) {
        // TODO see if can find a more efficient way than splitting and re-constructing
        URI uri = repoData.getRepoLocation();
        ServletContext curContext = req.getServletContext();
        String urlPath = uri.getPath(), urlQuery = uri.getQuery();
        String[] comps = StringUtils.split(urlPath, '/');
        String appName = comps[0];
        ServletContext loopContext = Validate.notNull(curContext.getContext("/" + appName),
                "No cross-context for %s", appName);
        // build the relative path in the re-directed context
        StringBuilder sb = new StringBuilder(
                urlPath.length() + 1 + (StringUtils.isEmpty(urlQuery) ? 0 : urlQuery.length()));
        for (int index = 1; index < comps.length; index++) {
            sb.append('/').append(comps[index]);
        }
        if (!StringUtils.isEmpty(urlQuery)) {
            sb.append('?').append(urlQuery);
        }

        String redirectPath = sb.toString();
        RequestDispatcher dispatcher = Validate.notNull(loopContext.getRequestDispatcher(redirectPath),
                "No dispatcher for %s", redirectPath);
        dispatcher.forward(req, rsp);
        if (logger.isDebugEnabled()) {
            logger.debug("serveRequest(" + method + ")[" + req.getRequestURI() + "][" + req.getQueryString()
                    + "]" + " forwarded to " + loopContext.getContextPath() + "/" + redirectPath);
        }
    } else {
        executeRemoteRequest(method, repoData.getRepoLocation(), req, rsp);
    }
}

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From source file:chat.viska.commons.pipelines.Pipeline.java

public void addTowardsInboundEnd(final String previous, final String name, final Pipe pipe) {
    Validate.notBlank(previous);/*from   w w w.j  a va 2  s . c  o  m*/
    Completable.fromAction(() -> {
        pipeLock.writeLock().lockInterruptibly();
        try {
            if (getIteratorOf(name) != null) {
                throw new IllegalArgumentException("Name collision: " + name);
            }
            ListIterator<Map.Entry<String, Pipe>> iterator = getIteratorOf(previous);
            if (iterator == null) {
                throw new NoSuchElementException(previous);
            }
            iterator.next();
            iterator.add(new AbstractMap.SimpleImmutableEntry<>(name, pipe));
            pipe.onAddedToPipeline(this);
        } finally {
            pipeLock.writeLock().unlock();
        }
    }).onErrorComplete().subscribeOn(Schedulers.io()).subscribe();
}

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From source file:dk.netarkivet.harvester.scheduler.jobgen.FixedDomainConfigurationCountJobGenerator.java

private synchronized HarvestJobGenerationState getStateForHarvest(final HarvestDefinition harvest,
        final boolean failIfNotExists) {

    long harvestId = harvest.getOid();
    HarvestJobGenerationState harvestState = this.state.get(harvestId);
    if (harvestState == null) {
        if (failIfNotExists) {
            throw new NoSuchElementException("No job generation state for harvest " + harvestId);
        }/*from  w w w.  j a  v  a2s.  c om*/
        harvestState = new HarvestJobGenerationState();
        this.state.put(harvestId, harvestState);
    }

    return harvestState;
}

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From source file:com.continuent.tungsten.common.security.KeystoreManagerCtrl.java

/**
 * Reads user input from stdin//from  www  . j a  v a2 s . c o  m
 * 
 * @param listPrompts list of prompts to display, asking for user input
 * @return a list containing user inputs
 */
private List<String> getUserInputFromStdin(List<String> listPrompts) {
    List<String> listUserInput = new ArrayList<String>();

    Scanner console = new Scanner(System.in);
    Scanner lineTokenizer = null;

    for (String prompt : listPrompts) {
        System.out.println(prompt);

        try {
            lineTokenizer = new Scanner(console.nextLine());
        } catch (NoSuchElementException nse) {
            console.close();
            throw new NoSuchElementException(MessageFormat.format("Missing user input=  {0}", prompt));
        }

        if (lineTokenizer.hasNext()) {
            String userInput = lineTokenizer.next();
            listUserInput.add(userInput);
        }
    }

    console.close();
    return listUserInput;
}

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From source file:com.eucalyptus.entities.EntityWrapper.java

@SuppressWarnings("unchecked")
public <T> T getUnique(final T example) throws EucalyptusCloudException {
    try {//from   ww  w . j  a  v a 2  s . c o  m
        Object id = null;
        try {
            id = this.getEntityManager().getEntityManagerFactory().getPersistenceUnitUtil()
                    .getIdentifier(example);
        } catch (final Exception ex) {
        }
        if (id != null) {
            final T res = (T) this.getEntityManager().find(example.getClass(), id);
            if (res == null) {
                throw new NoSuchElementException("@Id: " + id);
            } else {
                return res;
            }
        } else if ((example instanceof HasNaturalId) && (((HasNaturalId) example).getNaturalId() != null)) {
            final String natId = ((HasNaturalId) example).getNaturalId();
            final T ret = (T) this.createCriteria(example.getClass()).setLockMode(LockMode.NONE)
                    .setCacheable(true).setMaxResults(1).setFetchSize(1).setFirstResult(0)
                    .add(Restrictions.naturalId().set("naturalId", natId)).uniqueResult();
            if (ret == null) {
                throw new NoSuchElementException("@NaturalId: " + natId);
            }
            return ret;
        } else {
            final T ret = (T) this.createCriteria(example.getClass()).setLockMode(LockMode.NONE)
                    .setCacheable(true).setMaxResults(1).setFetchSize(1).setFirstResult(0)
                    .add(Example.create(example).enableLike(MatchMode.EXACT)).uniqueResult();
            if (ret == null) {
                throw new NoSuchElementException("example: " + LogUtil.dumpObject(example));
            }
            return ret;
        }
    } catch (final NonUniqueResultException ex) {
        throw new EucalyptusCloudException(
                "Get unique failed for " + example.getClass().getSimpleName() + " because " + ex.getMessage(),
                ex);
    } catch (final NoSuchElementException ex) {
        throw new EucalyptusCloudException(
                "Get unique failed for " + example.getClass().getSimpleName() + " using " + ex.getMessage(),
                ex);
    } catch (final Exception ex) {
        final Exception newEx = PersistenceExceptions.throwFiltered(ex);
        throw new EucalyptusCloudException("Get unique failed for " + example.getClass().getSimpleName()
                + " because " + newEx.getMessage(), newEx);
    }
}

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

public DoublePrimitiveExpression hasPrimitiveDoubleValueExpression(String literalName) {
    if (!knownDoublePrimitiveDefinitions.containsKey(literalName))
        throw new NoSuchElementException(
                "'" + literalName + "' does not have a primitive" + "double definition.");
    return knownDoublePrimitiveDefinitions.get(literalName);
}

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From source file:com.devicehive.service.UserService.java

/**
 * Allows user access to given network/*from  www.ja va2s.  co  m*/
 *
 * @param userId    id of user
 * @param networkId id of network
 */
@Transactional(propagation = Propagation.REQUIRED)
public void assignNetwork(@NotNull long userId, @NotNull long networkId) {
    UserVO existingUser = userDao.find(userId);
    if (existingUser == null) {
        logger.error("Can't assign network with id {}: user {} not found", networkId, userId);
        throw new NoSuchElementException(Messages.USER_NOT_FOUND);
    }
    NetworkWithUsersAndDevicesVO existingNetwork = networkDao.findWithUsers(networkId).orElseThrow(
            () -> new NoSuchElementException(String.format(Messages.NETWORK_NOT_FOUND, networkId)));
    networkDao.assignToNetwork(existingNetwork, existingUser);
}

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