Examples of java.util.Iterator

java.util.Iterator
An iterator over a collection. Iterator takes the place of Enumeration in the Java collections framework. Iterators differ from enumerations in two ways:
- Iterators allow the caller to remove elements from the underlying collection during the iteration with well-defined semantics.
- Method names have been improved.
This interface is a member of the Java Collections Framework. @author Josh Bloch @version 1.27, 07/24/06 @see Collection @see ListIterator @see Enumeration @since 1.2

            address = address + "/" + firstElement.getLocalName();
        } else {
            firstElement = messageContext.getEnvelope().getBody();
        }


        Iterator iter = firstElement.getChildElements();


        String legalCharacters = WSDL2Constants
                .LEGAL_CHARACTERS_IN_QUERY.replaceAll(queryParameterSeparator, "");
        StringBuffer buff = new StringBuffer(params);


        // iterate through the child elements and find the request parameters
        while (iter.hasNext()) {
            OMElement element = (OMElement) iter.next();
            try {
                buff.append(URIEncoderDecoder.quoteIllegal(element.getLocalName(),
                        legalCharacters)).append("=").append(URIEncoderDecoder.quoteIllegal(element.getText(),
                        legalCharacters)).append(queryParameterSeparator);
            } catch (UnsupportedEncodingException e) {

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    public static final String FRAGMENT_QUERY = "query";
    public static final String FRAGMENT_REF = "ref";
    public static final String FRAGMENT_FULL_URI = "full";


    protected Mediator createSpecificMediator(OMElement element, Properties properties) {
        Iterator rules = element.getChildrenWithName(RULE_Q);
        String inputProperty = element.getAttributeValue(ATT_IN_PROPERTY);
        String outputProperty = element.getAttributeValue(ATT_OUT_PROPERTY);


        URLRewriteMediator mediator = new URLRewriteMediator();
        if (inputProperty != null) {
            mediator.setInputProperty(inputProperty);
        }
        if (outputProperty != null) {
            mediator.setOutputProperty(outputProperty);
        }


        while (rules.hasNext()) {
            mediator.addRule(parseRule((OMElement) rules.next()));
        }
        processAuditStatus(mediator, element);
        
        return mediator;
    }

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        return mediator;
    }


    private RewriteRule parseRule(OMElement ruleElement) {
        Iterator actions = ruleElement.getChildrenWithName(ACTION_Q);
        if (actions == null) {
            handleException("At least one rewrite action is required per rule");
            return null;
        }


        RewriteRule rule = new RewriteRule();
        while (actions.hasNext()) {
            rule.addRewriteAction(parseAction((OMElement) actions.next()));
        }


        OMElement condition = ruleElement.getFirstChildWithName(CONDITION_Q);
        if (condition != null) {
            OMElement child = condition.getFirstElement();

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        if (localEntriesDir.exists()) {
            if (log.isDebugEnabled()) {
                log.debug("Loading local entry definitions from : " + localEntriesDir.getPath());
            }


            Iterator entryDefinitions = FileUtils.iterateFiles(localEntriesDir, extensions, false);
            while (entryDefinitions.hasNext()) {
                File file = (File) entryDefinitions.next();
                OMElement document = getOMElement(file);
                Entry entry = SynapseXMLConfigurationFactory.defineEntry(synapseConfig, document,
                        properties);
                if (entry != null) {
                    entry.setFileName(file.getName());

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        if (proxyServicesDir.exists()) {
            if (log.isDebugEnabled()) {
                log.debug("Loading proxy services from : " + proxyServicesDir.getPath());
            }


            Iterator proxyDefinitions = FileUtils.iterateFiles(proxyServicesDir, extensions, false);
            while (proxyDefinitions.hasNext()) {
                File file = (File) proxyDefinitions.next();
                OMElement document = getOMElement(file);
                ProxyService proxy = SynapseXMLConfigurationFactory.defineProxy(synapseConfig,
                        document, properties);
                if (proxy != null) {
                    proxy.setFileName(file.getName());

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        if (tasksDir.exists()) {
            if (log.isDebugEnabled()) {
                log.debug("Loading tasks from : " + tasksDir.getPath());
            }


            Iterator taskDefinitions = FileUtils.iterateFiles(tasksDir, extensions, false);
            while (taskDefinitions.hasNext()) {
                File file = (File) taskDefinitions.next();
                OMElement document = getOMElement(file);
                Startup startup = SynapseXMLConfigurationFactory.defineStartup(synapseConfig,
                        document, properties);
                startup.setFileName(file.getName());
                synapseConfig.getArtifactDeploymentStore().addArtifact(

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        if (sequencesDir.exists()) {
            if (log.isDebugEnabled()) {
                log.debug("Loading sequences from : " + sequencesDir.getPath());
            }


            Iterator sequences = FileUtils.iterateFiles(sequencesDir, extensions, false);
            while (sequences.hasNext()) {
                File file = (File) sequences.next();
                OMElement document = getOMElement(file);
                Mediator seq = SynapseXMLConfigurationFactory.defineSequence(synapseConfig,
                        document, properties);
                if (seq != null && seq instanceof SequenceMediator) {
                    SequenceMediator sequence = (SequenceMediator) seq;

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        File templatesDir = new File(rootDirPath, TEMPLATES_DIR);
        if (templatesDir.exists()) {
            if (log.isDebugEnabled()) {
                log.debug("Loading template from : " + templatesDir.getPath());
            }
            Iterator templates = FileUtils.iterateFiles(templatesDir, extensions, false);
            while (templates.hasNext()) {
                File file = (File) templates.next();
                OMElement document = getOMElement(file);
                OMElement element = document.getFirstChildWithName(
                            new QName(SynapseConstants.SYNAPSE_NAMESPACE, "sequence"));
                if (element != null) {
                    TemplateMediator mediator =

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        if (endpointsDir.exists()) {
            if (log.isDebugEnabled()) {
                log.debug("Loading endpoints from : " + endpointsDir.getPath());
            }


            Iterator endpoints = FileUtils.iterateFiles(endpointsDir, extensions, false);
            while (endpoints.hasNext()) {
                File file = (File) endpoints.next();
                OMElement document = getOMElement(file);
                Endpoint endpoint = SynapseXMLConfigurationFactory.defineEndpoint(
                        synapseConfig, document, properties);
                if (endpoint != null) {
                    endpoint.setFileName(file.getName());

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        if (eventsDir.exists()) {
            if (log.isDebugEnabled()) {
                log.debug("Loading event sources from : " + eventsDir.getPath());
            }


            Iterator events = FileUtils.iterateFiles(eventsDir, extensions, false);
            while (events.hasNext()) {
                File file = (File) events.next();
                OMElement document = getOMElement(file);
                SynapseEventSource eventSource = SynapseXMLConfigurationFactory.
                        defineEventSource(synapseConfig, document, properties);
                if (eventSource != null) {
                    eventSource.setFileName(file.getName());

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