Examples of java.util.Set.toArray()

java.util.Set.toArray()
Returns an array containing all of the elements in this set. If this set makes any guarantees as to what order its elements are returned by its iterator, this method must return the elements in the same order.
The returned array will be "safe" in that no references to it are maintained by this set. (In other words, this method must allocate a new array even if this set is backed by an array). The caller is thus free to modify the returned array.
This method acts as bridge between array-based and collection-based APIs. @return an array containing all the elements in this set

            confs.addAll(Arrays.asList(getDependencyConfigurations(moduleConfigurations[i])));
        }
        if (confs.contains("*")) {
            return new String[] {"*"};
        }
        return (String[]) confs.toArray(new String[confs.size()]);
    }


    public DependencyArtifactDescriptor[] getDependencyArtifacts(String moduleConfiguration) {
        Collection artifacts = getCollectionForConfiguration(moduleConfiguration,
            dependencyArtifacts);

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        for (Iterator it = getRootModuleConfigurationsSet().iterator(); it.hasNext();) {
            String rootModuleConf = (String) it.next();
            ret.addAll(Arrays.asList(getArtifacts(rootModuleConf)));
        }
        return (Artifact[]) ret.toArray(new Artifact[ret.size()]);
    }


    /**
     * Returns all the artifacts of this dependency required in the root module configurations in
     * which the node is not evicted nor blacklisted

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    public DependencyArtifactDescriptor[] getDependencyArtifacts(String[] moduleConfigurations) {
        Set artifacts = new LinkedHashSet();
        for (int i = 0; i < moduleConfigurations.length; i++) {
            artifacts.addAll(Arrays.asList(getDependencyArtifacts(moduleConfigurations[i])));
        }
        return (DependencyArtifactDescriptor[]) artifacts
                .toArray(new DependencyArtifactDescriptor[artifacts.size()]);
    }


    public IncludeRule[] getIncludeRules(String[] moduleConfigurations) {
        Set rules = new LinkedHashSet();

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    public IncludeRule[] getIncludeRules(String[] moduleConfigurations) {
        Set rules = new LinkedHashSet();
        for (int i = 0; i < moduleConfigurations.length; i++) {
            rules.addAll(Arrays.asList(getIncludeRules(moduleConfigurations[i])));
        }
        return (IncludeRule[]) rules.toArray(new IncludeRule[rules.size()]);
    }


    public ExcludeRule[] getExcludeRules(String[] moduleConfigurations) {
        Set rules = new LinkedHashSet();
        for (int i = 0; i < moduleConfigurations.length; i++) {

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    public ExcludeRule[] getExcludeRules(String[] moduleConfigurations) {
        Set rules = new LinkedHashSet();
        for (int i = 0; i < moduleConfigurations.length; i++) {
            rules.addAll(Arrays.asList(getExcludeRules(moduleConfigurations[i])));
        }
        return (ExcludeRule[]) rules.toArray(new ExcludeRule[rules.size()]);
    }


    public DependencyArtifactDescriptor[] getAllDependencyArtifacts() {
        if (dependencyArtifacts == null) {
            return new DependencyArtifactDescriptor[0];

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    public DependencyArtifactDescriptor[] getAllDependencyArtifacts() {
        if (dependencyArtifacts == null) {
            return new DependencyArtifactDescriptor[0];
        }
        Set ret = mergeAll(dependencyArtifacts);
        return (DependencyArtifactDescriptor[]) ret.toArray(new DependencyArtifactDescriptor[ret
                .size()]);
    }


    public IncludeRule[] getAllIncludeRules() {
        if (includeRules == null) {

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    public IncludeRule[] getAllIncludeRules() {
        if (includeRules == null) {
            return new IncludeRule[0];
        }
        Set ret = mergeAll(includeRules);
        return (IncludeRule[]) ret.toArray(new IncludeRule[ret.size()]);
    }


    public ExcludeRule[] getAllExcludeRules() {
        if (excludeRules == null) {
            return new ExcludeRule[0];

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    public ExcludeRule[] getAllExcludeRules() {
        if (excludeRules == null) {
            return new ExcludeRule[0];
        }
        Set ret = mergeAll(excludeRules);
        return (ExcludeRule[]) ret.toArray(new ExcludeRule[ret.size()]);
    }


    private Set mergeAll(Map artifactsMap) {
        Set ret = new LinkedHashSet();
        for (Iterator it = artifactsMap.values().iterator(); it.hasNext();) {

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        } else if(className.equals(GeronimoUserPrincipal.class.getName())) {
            s = users.keySet();
        } else {
            throw new IllegalArgumentException("No such principal class "+className);
        }
        return (String[]) s.toArray(new String[s.size()]);
    }
}

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     * @see org.apache.hivemind.service.Autowiring#autowireProperties(java.lang.Object)
     */
    public Object autowireProperties(Object target)
    {
        Set writeablePropertiesSet = new HashSet(PropertyUtils.getWriteableProperties(target));
        String[] writableProperties = (String[]) writeablePropertiesSet.toArray(new String[writeablePropertiesSet.size()]);
        return autowireProperties(target, writableProperties);
    }
    
    /**
     * @see org.apache.hivemind.service.Autowiring#autowireProperties(java.lang.Object, java.lang.String[])

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