Example usage for java.util Collections unmodifiableCollection

List of usage examples for java.util Collections unmodifiableCollection

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Introduction

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

Prototype

public static <T> Collection<T> unmodifiableCollection(Collection<? extends T> c)

Source Link

Document

Returns an unmodifiable view of the specified collection.

Usage

From source file:org.dasein.cloud.ibm.sce.compute.vm.SCEVirtualMachine.java

@Override
public Iterable<VirtualMachineProduct> listProducts(Architecture architecture)
        throws InternalException, CloudException {
    if (products == null) {
        ProviderContext ctx = provider.getContext();

        if (ctx == null) {
            throw new SCEConfigException("No context was configured for this request");
        }/*from   w w  w  .  jav  a2  s. c o m*/
        SCEMethod method = new SCEMethod(provider);

        Document xml = method.getAsXML("offerings/image");

        if (xml == null) {
            return Collections.emptyList();
        }
        HashMap<String, VirtualMachineProduct> t = new HashMap<String, VirtualMachineProduct>();
        HashMap<String, VirtualMachineProduct> s = new HashMap<String, VirtualMachineProduct>();
        NodeList items = xml.getElementsByTagName("Image");

        for (int i = 0; i < items.getLength(); i++) {
            HashMap<String, VirtualMachineProduct> prdMap = new HashMap<String, VirtualMachineProduct>();
            NodeList attrs = items.item(i).getChildNodes();
            Architecture a = null;

            for (int j = 0; j < attrs.getLength(); j++) {
                Node attr = attrs.item(j);

                if (attr.getNodeName().equalsIgnoreCase("Architecture") && attr.hasChildNodes()) {
                    String val = attr.getFirstChild().getNodeValue().trim();

                    if (val.equals("i386")) {
                        a = Architecture.I32;
                    } else if (val.startsWith("x86")) {
                        a = Architecture.I64;
                    } else {
                        System.out.println("DEBUG: Unknown architecture: " + val);
                        a = Architecture.I32;
                    }
                } else if (attr.getNodeName().equalsIgnoreCase("SupportedInstanceTypes")
                        && attr.hasChildNodes()) {
                    NodeList types = attr.getChildNodes();

                    for (int k = 0; k < types.getLength(); k++) {
                        Node type = types.item(k);

                        if (type.getNodeName().equalsIgnoreCase("InstanceType") && type.hasChildNodes()) {
                            VirtualMachineProduct prd = new VirtualMachineProduct();
                            NodeList nodes = type.getChildNodes();

                            for (int l = 0; l < nodes.getLength(); l++) {
                                Node node = nodes.item(l);

                                if (node.getNodeName().equals("ID") && node.hasChildNodes()) {
                                    prd.setProviderProductId(node.getFirstChild().getNodeValue().trim());
                                } else if (node.getNodeName().equals("Label") && node.hasChildNodes()) {
                                    prd.setName(node.getFirstChild().getNodeValue().trim());
                                } else if (node.getNodeName().equals("Detail") && node.hasChildNodes()) {
                                    prd.setDescription(node.getFirstChild().getNodeValue().trim());
                                }
                            }
                            if (prd.getProviderProductId() != null) {
                                String[] parts = prd.getProviderProductId().split("/");

                                if (parts.length == 3) {
                                    String[] sub = parts[0].split("\\.");

                                    if (sub.length > 0) {
                                        parts[0] = sub[sub.length - 1];
                                    }
                                    try {
                                        prd.setCpuCount(Integer.parseInt(parts[0]));
                                    } catch (NumberFormatException ignore) {
                                        // ignore
                                    }
                                    try {
                                        prd.setRamSize(new Storage<Megabyte>(Integer.parseInt(parts[1]),
                                                Storage.MEGABYTE));
                                    } catch (NumberFormatException ignore) {
                                        // ignore
                                    }
                                    try {
                                        int idx = parts[2].indexOf("*");

                                        if (idx < 1) {
                                            prd.setRootVolumeSize(new Storage<Gigabyte>(
                                                    Integer.parseInt(parts[2]), Storage.GIGABYTE));
                                        } else {
                                            prd.setRootVolumeSize(new Storage<Gigabyte>(
                                                    Integer.parseInt(parts[2].substring(0, idx)),
                                                    Storage.GIGABYTE));
                                        }
                                    } catch (NumberFormatException ignore) {
                                        // ignore
                                    }
                                }
                                prdMap.put(prd.getProviderProductId(), prd);
                            }
                        }
                    }
                }
            }
            if (a != null) {
                if (a.equals(Architecture.I32)) {
                    t.putAll(prdMap);
                } else if (a.equals(Architecture.I64)) {
                    s.putAll(prdMap);
                }
            }
        }
        HashMap<Architecture, Collection<VirtualMachineProduct>> tmp = new HashMap<Architecture, Collection<VirtualMachineProduct>>();

        tmp.put(Architecture.I32, Collections.unmodifiableCollection(t.values()));
        tmp.put(Architecture.I64, Collections.unmodifiableCollection(s.values()));
        products = tmp;
    }
    return products.get(architecture);
}

From source file:edu.uci.ics.jung.graph.OrderedKAryTree.java

/**
 * @see edu.uci.ics.jung.graph.Hypergraph#getNeighbors(java.lang.Object)
 *//*from   w  w w .  j ava 2 s. c o m*/
public Collection<V> getNeighbors(V vertex) {
    if (!containsVertex(vertex))
        return null;
    ArrayList<V> vertices = new ArrayList<V>(order + 1);
    VertexData v_data = vertex_data.get(vertex);
    if (v_data.parent_edge != null)
        vertices.add(edge_vpairs.get(v_data.parent_edge).getFirst());
    if (v_data.child_edges != null) {
        for (E edge : v_data.child_edges)
            if (edge != null)
                vertices.add(edge_vpairs.get(edge).getSecond());
    }
    if (vertices.isEmpty())
        return Collections.emptySet();
    return Collections.unmodifiableCollection(vertices);
}

From source file:edu.ksu.cis.indus.staticanalyses.concurrency.escape.AliasSet.java

/**
 * Retrieves the threads that read fields of the associated object.
 * /*from w  w w.j a  v a  2  s. c  o m*/
 * @return the reading threads.
 */
Collection<Triple<InvokeStmt, SootMethod, SootClass>> getReadThreads() {
    final Collection<Triple<InvokeStmt, SootMethod, SootClass>> _collection = find().readThreads;
    final Collection<Triple<InvokeStmt, SootMethod, SootClass>> _result;
    if (_collection != null) {
        _result = Collections.unmodifiableCollection(_collection);
    } else {
        _result = Collections.emptySet();
    }
    return _result;

}

From source file:edu.ksu.cis.indus.staticanalyses.concurrency.escape.AliasSet.java

/**
 * Retrieves the shared entities of this object.
 * //www.ja v  a  2  s.  c  o  m
 * @return a collection of objects.
 */
Collection<Object> getReadWriteShareEntities() {
    final Collection<Object> _collection = find().readwriteEntities;
    final Collection<Object> _result;
    if (_collection != null) {
        _result = Collections.unmodifiableCollection(_collection);
    } else {
        _result = null;
    }
    return _result;
}

From source file:edu.ksu.cis.indus.staticanalyses.concurrency.escape.AliasSet.java

/**
 * Retrieves the ready entity object of this alias set.
 * //  ww w . jav  a  2  s .c  om
 * @return the associated readyentity object.
 * @post result == self.find().readyEntity
 */
Collection<Object> getReadyEntities() {
    final Collection<Object> _collection = find().readyEntities;
    final Collection<Object> _result;
    if (_collection != null) {
        _result = Collections.unmodifiableCollection(_collection);
    } else {
        _result = null;
    }
    return _result;
}

From source file:edu.ksu.cis.indus.staticanalyses.concurrency.escape.AliasSet.java

/**
 * Retrieves the threads that write fields of the associated object.
 * //from w  w w.j  a va2s  .c  om
 * @return the writing threads.
 */
Collection<Triple<InvokeStmt, SootMethod, SootClass>> getWriteThreads() {
    final Collection<Triple<InvokeStmt, SootMethod, SootClass>> _collection = find().writeThreads;
    final Collection<Triple<InvokeStmt, SootMethod, SootClass>> _result;
    if (_collection != null) {
        _result = Collections.unmodifiableCollection(_collection);
    } else {
        _result = Collections.emptySet();
    }
    return _result;
}

From source file:edu.ksu.cis.indus.staticanalyses.concurrency.escape.AliasSet.java

/**
 * Retrieves the shared entities pertaining to write-write sharing of the associated object.
 * //  w  ww .  j av a2 s.  c  o  m
 * @return a collection of objects.
 */
Collection<Object> getWriteWriteShareEntities() {
    final Collection<Object> _collection = find().writewriteEntities;
    final Collection<Object> _result;
    if (_collection != null) {
        _result = Collections.unmodifiableCollection(_collection);
    } else {
        _result = null;
    }
    return _result;
}

From source file:info.guardianproject.onionkit.trust.StrongTrustManager.java

/**
 * Returns the JID representation of an XMPP entity contained as a
 * SubjectAltName extension in the certificate. If none was found then
 * return <tt>null</tt>./*from  w  w w .ja v  a  2  s .  c o  m*/
 *
 * @param certificate the certificate presented by the remote entity.
 * @return the JID representation of an XMPP entity contained as a
 *         SubjectAltName extension in the certificate. If none was found
 *         then return <tt>null</tt>.
 */
static Collection<String> getSubjectAlternativeNames(X509Certificate certificate) {
    List<String> identities = new ArrayList<String>();
    try {
        byte[] extVal = certificate.getExtensionValue(X509Extensions.SubjectAlternativeName.getId());
        // Check that the certificate includes the SubjectAltName extension
        if (extVal == null) {
            return Collections.emptyList();
        }

        ASN1OctetString octs = (ASN1OctetString) ASN1Primitive.fromByteArray(extVal);

        @SuppressWarnings("rawtypes")
        Enumeration it = DERSequence.getInstance(ASN1Primitive.fromByteArray(octs.getOctets())).getObjects();

        while (it.hasMoreElements()) {
            GeneralName genName = GeneralName.getInstance(it.nextElement());
            switch (genName.getTagNo()) {
            case GeneralName.dNSName:
                identities.add(((ASN1String) genName.getName()).getString());
                break;
            }
        }
        return Collections.unmodifiableCollection(identities);

    } catch (Exception e) {
        Log.e(TAG, "getSubjectAlternativeNames()", e);
    }

    return identities;
}

From source file:com.vmware.identity.idm.server.ServerUtils.java

public static Collection<String> getConnectionStringFromUris(Collection<URI> uris) {
    List<String> connectionStrs = new ArrayList<String>();
    for (URI uri : uris) {
        connectionStrs.add(uri.toString());
    }//from www .  jav  a 2  s. c o  m
    return Collections.unmodifiableCollection(connectionStrs);
}

From source file:com.vmware.identity.idm.server.ServerUtils.java

public static Collection<URI> toURIObjects(Collection<String> uriStrings) {
    List<URI> result = new ArrayList<URI>();
    for (String uriStr : uriStrings) {
        try {//  ww w . j av  a  2  s. c o m
            result.add(new URI(uriStr));
        } catch (URISyntaxException e) {
            logger.warn(String.format("bad uri: [%s]", uriStr));
        }
    }
    return Collections.unmodifiableCollection(result);
}