Example usage for java.util ListIterator hasNext

Introduction

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

Prototype

boolean hasNext();

Source Link

Document

Returns true if this list iterator has more elements when traversing the list in the forward direction.

Usage

From source file:de.codesourcery.asm.util.Disassembler.java

/**
 * Disassemble a method.//from   w  ww .j a v  a2s  .  c o m
 * 
 * @param method method to disassemble
 * @param includeVirtual whether to 'disassemble' virtual (ASM-generated) nodes that
  * have no equivalent in .class files
 * @param printInsnIndices
  * @param printInsnIndices whether to output the instruction index in front of the mnemonic    
 * @return disassembled method
 */
public static String disassemble(MethodNode method, boolean includeVirtual, boolean printInsnIndices) {

    final StringBuilder result = new StringBuilder();
    @SuppressWarnings("unchecked")
    final ListIterator<AbstractInsnNode> it = method.instructions.iterator();
    while (it.hasNext()) {
        AbstractInsnNode node = it.next();
        String line = disassemble(node, method, includeVirtual, printInsnIndices);
        if (line == null) {
            continue;
        }

        if (result.length() > 0) {
            result.append("\n");
        }
        result.append(line);
    }
    return result.toString();
}

From source file:com.twitter.hraven.etl.FileLister.java

/**
 * prunes the given list/array of files based on their sizes
 *
 * @param maxFileSize -max #bytes to be stored in an hbase cell
 * @param origList - input list of files to be processed
 * @param hdfs - filesystem to be looked at
 * @param inputPath - root dir of the path containing history files
 * @return - pruned array of FileStatus of files to be processed
 *///  w  w  w  .j a  v a  2  s.  com
static FileStatus[] pruneFileListBySize(long maxFileSize, FileStatus[] origList, FileSystem hdfs,
        Path inputPath) {
    LOG.info("Pruning orig list  of size " + origList.length + " for source" + inputPath.toUri());

    long fileSize = 0L;
    List<FileStatus> prunedFileList = new ArrayList<FileStatus>();

    Set<String> toBeRemovedJobId = new HashSet<String>();
    for (int i = 0; i < origList.length; i++) {
        fileSize = origList[i].getLen();

        // check if hbase can store this file if yes, consider it for processing
        if (fileSize <= maxFileSize) {
            prunedFileList.add(origList[i]);
        } else {
            Path hugeFile = origList[i].getPath();
            LOG.info("In getListFilesToProcess filesize " + fileSize + " has exceeded maxFileSize "
                    + maxFileSize + " for " + hugeFile.toUri());

            // note the job id so that we can remove the other file (job conf or job history)
            toBeRemovedJobId.add(getJobIdFromPath(hugeFile));
        }
    }
    if (prunedFileList.size() == 0) {
        LOG.info("Found no files worth processing. Returning 0 sized array");
        return new FileStatus[0];
    }

    String jobId = null;
    ListIterator<FileStatus> it = prunedFileList.listIterator();
    while (it.hasNext()) {
        if (toBeRemovedJobId.size() == 0) {
            // no files to remove
            break;
        }
        Path curFile = it.next().getPath();
        jobId = getJobIdFromPath(curFile);
        if (toBeRemovedJobId.contains(jobId)) {
            LOG.info("Removing from prunedList " + curFile.toUri());
            it.remove();
            /*
             * removing the job id from the hash set since there would be only
             * one file with this job id in the prunedList, the other file with
             * this job id was huge and was already moved out
             */
            toBeRemovedJobId.remove(jobId);
        }
    }
    return prunedFileList.toArray(new FileStatus[prunedFileList.size()]);
}

From source file:org.apache.cxf.transport.jms.JMSOldConfigHolder.java

public static Properties getInitialContextEnv(AddressType addrType) {
    Properties env = new Properties();
    java.util.ListIterator listIter = addrType.getJMSNamingProperty().listIterator();
    while (listIter.hasNext()) {
        JMSNamingPropertyType propertyPair = (JMSNamingPropertyType) listIter.next();
        if (null != propertyPair.getValue()) {
            env.setProperty(propertyPair.getName(), propertyPair.getValue());
        }//from  ww w.j  av  a  2s .  com
    }
    if (LOG.isLoggable(Level.FINE)) {
        Enumeration props = env.propertyNames();
        while (props.hasMoreElements()) {
            String name = (String) props.nextElement();
            String value = env.getProperty(name);
            LOG.log(Level.FINE, "Context property: " + name + " | " + value);
        }
    }
    return env;
}

From source file:org.mule.providers.soap.axis.wsdl.wsrf.util.AdviceAdderHelper.java

/**
 * addAdvisors to ProxyfactoryBean given using reflection to find Advices class
 * end with "Advice" suffix. All advisors are mapped on "extend*" pattern string
 * method refer to Target bean.//from ww  w  .j av a2  s.  c o m
 * 
 * @param targetImpl Target Object
 * @return new Proxy
 */
public static IExtendCall addAdvisorsTo(IExtendCall targetImpl) {
    ProxyFactory factory = new ProxyFactory(targetImpl);

    List l = getListAdvisorClass();
    ListIterator li = l.listIterator();
    Advisor advisor = null;

    if (order.size() == 0) {

        while (li.hasNext()) {
            advisor = (Advisor) li.next();
            order.add(advisor);
        }
    }
    Iterator it = order.iterator();

    while (it.hasNext()) {
        advisor = (Advisor) it.next();
        factory.addAdvisor(countAdvice, advisor);
        Logger.getLogger(factory.getClass()).log(Level.DEBUG, factory.getClass().getName() + " : added "
                + advisor.getAdvice().getClass().getName() + " at index position " + countAdvice);
        countAdvice++;
    }

    countAdvice = 0;
    return (IExtendCall) factory.getProxy();
}

From source file:com.linuxbox.enkive.docsearch.indri.IndriQueryComposer.java

/**
 * Iterate through all the terms in the phrase and sanitize each one in
 * place./*from  w w  w .  ja v a 2  s  .  c o  m*/
 * 
 * @param phrase
 */
protected static void sanitizePhraseInPlace(Phrase phrase) {
    ListIterator<CharSequence> i = phrase.getTermsListIterator();
    while (i.hasNext()) {
        CharSequence charSeq = i.next();

        // convert to a StringBuffer if not one already
        StringBuffer buffer;
        if (!(charSeq instanceof StringBuffer)) {
            buffer = new StringBuffer(charSeq);
        } else {
            buffer = (StringBuffer) charSeq;
        }

        sanitizeStringBuffer(buffer);

        // replace term in phrase
        i.set(buffer);
    }
}

From source file:com.amazonaws.hbase.kinesis.utils.EMRUtils.java

/**
 * Helper method to determine if HBase is installed on this cluster
 * @param client - The {@link AmazonElasticMapReduceClient} with read permissions
 * @param clusterId - unique identifier for this cluster
 * @return true, other throws Runtime exception
 *//*ww  w.java2 s .  c om*/
private static boolean isHBaseInstalled(AmazonElasticMapReduce client, String clusterId) {
    ListBootstrapActionsResult bootstrapActions = client
            .listBootstrapActions(new ListBootstrapActionsRequest().withClusterId(clusterId));
    ListIterator<Command> iterator = bootstrapActions.getBootstrapActions().listIterator();
    while (iterator.hasNext()) {
        Command command = iterator.next();
        if (command.getName().equalsIgnoreCase("Install HBase"))
            return true;
    }
    throw new RuntimeException("ERROR: Apache HBase is not installed on this cluster!!");
}

From source file:be.ff.gui.web.struts.action.ActionPlugInChain.java

/**
 * This static method calls the <code>destroy</code> method on all <code>ActionPlugIn</code>s in the chain,
 * enabling them to release any referenced resources.
 *///from  w w w.j  a  v a 2s. c  o m
protected static void destroy() {
    if (log.isDebugEnabled()) {
        log.debug("[ActionPlugInChain::init] Destroying the action plug-in chain ...");
    }

    ListIterator iter = activeActionPlugInRegister.listIterator();
    while (iter.hasNext()) {
        ActionPlugIn actionPlugIn = (ActionPlugIn) iter.next();
        actionPlugIn.destroy();
    }
}

From source file:com.stratio.crossdata.sh.utils.ConsoleUtils.java

/**
 * This method save history extracted from the Crossdata console to be persisted in the disk.
 *
 * @param console Crossdata console created from a JLine console
 * @param file    represents the file to be created of updated with the statements from the current
 *                session// w w w.  j  a  va  2s  .  c  o  m
 * @param sdf     Simple Date Format to create dates for the history file
 * @throws IOException file couldn't be created or read
 */
public static void saveHistory(ConsoleReader console, File file, SimpleDateFormat sdf) throws IOException {
    boolean created = file.createNewFile();
    OutputStreamWriter isr;
    if (created) {
        isr = new OutputStreamWriter(new FileOutputStream(file), "UTF-8");
    } else {
        isr = new OutputStreamWriter(new FileOutputStream(file, true), "UTF-8");
    }
    try (BufferedWriter bufferWriter = new BufferedWriter(isr)) {
        History history = console.getHistory();
        ListIterator<History.Entry> histIter = history.entries();
        while (histIter.hasNext()) {
            History.Entry entry = histIter.next();
            bufferWriter.write(sdf.format(new Date()));
            bufferWriter.write("|");
            bufferWriter.write(entry.value().toString());
            bufferWriter.newLine();
        }
        bufferWriter.flush();
    }
}

From source file:com.ibm.soatf.config.DirectoryStructureManager.java

/**
 *
 * @throws FrameworkConfigurationException
 *//*w  w  w . j a  v a 2  s  .  c  o m*/
public static void checkFrameworkDirectoryStructure() throws FrameworkConfigurationException {

    MasterConfiguration masterConfig = ConfigurationManager.getInstance().getMasterConfig();
    final ListIterator<SOATestingFrameworkMasterConfiguration.Interfaces.Interface> interfaces = masterConfig
            .getXmlConfig().getInterfaces().getInterface().listIterator();
    while (interfaces.hasNext()) {
        validateIfaceStructure(interfaces.next());
    }

}

From source file:exm.stc.ic.ICUtil.java

public static void replaceVarsInList(Map<Var, Arg> replacements, List<Var> vars, boolean removeDupes,
        boolean removeMapped) {
    // Remove new duplicates
    ArrayList<Var> alreadySeen = null;
    if (removeDupes) {
        alreadySeen = new ArrayList<Var>(vars.size());
    }/* w  w  w.j a va  2  s.  c o m*/

    ListIterator<Var> it = vars.listIterator();
    while (it.hasNext()) {
        Var v = it.next();
        if (replacements.containsKey(v)) {
            Arg oa = replacements.get(v);
            if (oa.isVar()) {
                if (removeDupes && alreadySeen.contains(oa.getVar())) {
                    it.remove();
                } else {
                    it.set(oa.getVar());
                    if (removeDupes) {
                        alreadySeen.add(oa.getVar());
                    }
                }
            }
        } else {
            if (removeDupes) {
                if (alreadySeen.contains(v)) {
                    it.remove();
                } else {
                    alreadySeen.add(v);
                }
            }
        }
    }
}