Example usage for org.apache.commons.collections CollectionUtils get

Introduction

In this page you can find the example usage for org.apache.commons.collections CollectionUtils get.

Prototype

public static Object get(Object object, int index) 

Source Link

Document

Returns the index-th value in object, throwing IndexOutOfBoundsException if there is no such element or IllegalArgumentException if object is not an instance of one of the supported types.

Usage

From source file:net.big_oh.common.utils.CollectionsUtil.java

/**
 * //from   ww w. j a va  2s .  co m
 * @param <T>
 * @param originalSet
 *            The set of original objects from which combinations of size k
 *            will be generated.
 * @param k
 *            The size of combinations to be generated.
 * @return Returns the set of all size k sets (or combinations) that can be
 *         constructed from the originalSet
 * @throws IllegalArgumentException
 *             thrown if k is less than zero of greater than the size of the
 *             original set.
 */
@SuppressWarnings("unchecked")
public static <T> Set<Set<T>> getCombinations(Set<T> originalSet, int k) throws IllegalArgumentException {

    // sanity check
    if (k < 0) {
        throw new IllegalArgumentException("The value of the k parameter cannot be less than zero.");
    }
    if (k > originalSet.size()) {
        throw new IllegalArgumentException(
                "The value of the k parameter cannot be greater than the size of originalSet.");
    }

    // base case ... k == 0
    if (k == 0) {
        Set<Set<T>> combinations = new HashSet<Set<T>>();
        combinations.add(new HashSet<T>());
        return combinations;
    }

    // base case ... k == 1
    if (k == 1) {
        Set<Set<T>> combinations = new HashSet<Set<T>>();
        for (T t : originalSet) {
            Set<T> combination = new HashSet<T>();
            combination.add(t);
            combinations.add(combination);
        }
        return combinations;
    }

    // recursive case
    T arbitraryElement = (T) CollectionUtils.get(originalSet, 0);

    Set<T> everythingElse = new HashSet<T>(originalSet);
    everythingElse.remove(arbitraryElement);

    Set<Set<T>> combinations = new HashSet<Set<T>>();

    // pair arbitraryElelement with combinations of size k-1 from the
    // everythingElse collection
    for (Set<T> combinationForEverythingElse : getCombinations(everythingElse, k - 1)) {
        combinationForEverythingElse.add(arbitraryElement);
        combinations.add(combinationForEverythingElse);
    }

    // get combinations of size k from the everythingElse collection
    if (k <= everythingElse.size()) {
        for (Set<T> combinationForEverythingElse : getCombinations(everythingElse, k)) {
            combinations.add(combinationForEverythingElse);
        }
    }

    return combinations;
}

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From source file:hr.fer.zemris.vhdllab.service.workspace.ProjectMetadataTest.java

@Test
public void afterSerialization() {
    metadata = (ProjectMetadata) SerializationUtils.clone(metadata);
    for (File f : metadata.getFiles()) {
        assertEquals(hierarchy.getProject(), f.getProject());
    }//from w w  w .j a  v  a 2s .  co m
    File file = (File) CollectionUtils.get(files, 0);
    assertTrue(
            "change in hashCode of a file (added project reference) isn't reflected to the set containing it.",
            metadata.getFiles().contains(file));
}

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From source file:de.extrastandard.persistence.model.ExecutionIT.java

@Test
public void testInputDataSucessPhase2AnotherTransaction() {
    final List<ICommunicationProtocol> sourceInputDataList = executionPersistence
            .findInputDataForExecution(PersistenceTestSetup.PROCEDURE_DATA_MATCH_NAME, PhaseQualifier.PHASE2);
    Assert.assertTrue("InputData is empty", !sourceInputDataList.isEmpty());
    final IExecution execution = executionPersistence
            .startExecution(PersistenceTestSetup.PROCEDURE_DATA_MATCH_NAME, "Test", PhaseQualifier.PHASE2);
    final IResponseData responseData = new ResponseData();
    final DbQueryInputDataContainer dbQueryInputData = new DbQueryInputDataContainer();

    final String testRequestId = "TEST_REQUEST_ID";
    final String returnCode = "return code phase 2";
    final String returnText = "return text phase2";
    final String responseId = "response id phase 2";

    for (final ICommunicationProtocol iSourceInputData : sourceInputDataList) {
        final Long sourceInputDataId = iSourceInputData.getId();
        final String inputDataRequestId = testRequestId + sourceInputDataId;
        final String inputDataReturnCode = returnCode + sourceInputDataId;
        final String inputDataReturnText = returnText + sourceInputDataId;
        final String inputDataResponseId = responseId + sourceInputDataId;
        final Boolean successful = true;
        final ISingleResponseData singleResponseData = new SingleResponseData(inputDataRequestId,
                inputDataReturnCode, inputDataReturnText, inputDataResponseId, successful,
                PersistentStatus.DONE, "Output-ID");
        responseData.addSingleResponse(singleResponseData);
        final IDbQueryInputData singleQueryInputData = new DbQueryInputData(sourceInputDataId,
                iSourceInputData.getRequestId(), iSourceInputData.getResponseId());
        dbQueryInputData.addSingleDBQueryInputData(singleQueryInputData);
        final ICommunicationProtocol newDbQueryInputData = execution.startInputData(singleQueryInputData);

        newDbQueryInputData.setRequestId(singleResponseData.getRequestId());
    }/*from   w  w w.  jav  a2  s. co m*/

    execution.endExecution(responseData);

    final IProcessTransition lastTransition = execution.getLastTransition();
    assertNotNull(lastTransition);
    final IStatus currentStatus = lastTransition.getCurrentStatus();
    assertNotNull(currentStatus);
    assertEquals(PersistentStatus.DONE.name(), currentStatus.getName());
    final Set<ICommunicationProtocol> inputDataSet = execution.getCommunicationProtocols();
    for (final ICommunicationProtocol iInputData : inputDataSet) {
        final String requestId = iInputData.getRequestId();
        final Collection<ISingleResponseData> responses = responseData.getResponse(requestId);
        assertEquals("Unexpected Reponse", 1, responses.size());
        ISingleResponseData response = (ISingleResponseData) CollectionUtils.get(responses, 0);

        assertEquals(response.getResponseId(), iInputData.getResponseId());
        assertEquals(response.getReturnCode(), iInputData.getReturnCode());
        assertEquals(response.getReturnText(), iInputData.getReturnText());
    }
    for (final ICommunicationProtocol iquelleInputData : sourceInputDataList) {
        // refresh
        final CommunicationProtocol quelleInputData = communicationProtocolRepository
                .findOne(iquelleInputData.getId());
        // prfen PhaseConnection
        final IPhaseConnection quellePhaseConnection = quelleInputData.getNextPhaseConnection();
        final ICommunicationProtocol targetInputData = quellePhaseConnection.getTargetCommunicationProtocol();
        assertNotNull(targetInputData);
        final IStatus quellePhaseConnectionStatus = quellePhaseConnection.getStatus();
        assertNotNull(quellePhaseConnectionStatus);
        assertEquals(PersistentStatus.DONE.name(), quellePhaseConnectionStatus.getName());
    }
}

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From source file:nl.strohalm.cyclos.controls.access.ListConnectedUsersForm.java

public String getNature() {
    final Object natures = getQuery(NATURES_KEY);
    try {//  w ww .  j  a v  a 2  s.com
        return "" + CollectionUtils.get(natures, 0);
    } catch (final Exception e) {
        return null;
    }
}

---

From source file:nl.ucan.navigate.NestedPath.java

private NestedPath() {
    this.propertyInstance = new PropertyInstance() {
        public Object indexed(Object bean, String property, int index, Object value) {
            log.info("created indexed property " + property + " at " + index + " of bean " + bean
                    + " and will be set to " + value);
            return value;
        }//  w  ww. java  2 s.  c  o  m

        public Object simple(Object bean, String property, Object value) {
            log.info("created simple property " + property + " of bean " + bean + " and will be set to "
                    + value);
            return value;
        }
    };
    this.propertyValue = new PropertyValue() {
        public Object indexed(Object bean, String property, int index, Object value) {
            log.info("value of indexed property " + property + " at " + index + " of bean " + bean
                    + " will be set to " + value);
            return value;
        }

        public Object mapped(Object bean, String property, Object key, Object value) {
            log.info("value of mapped property " + property + " at " + key + " of bean " + bean
                    + " will be set to " + value);
            return value;
        }

        public Object simple(Object bean, String property, Object value) {
            log.info("value of simple property " + property + " of bean " + bean + " will be set to " + value);
            return value;
        }

        public Object valueOf(Class clasz, String property, String value) {
            log.info("value of valueOf " + property + " will be set to " + value);
            return value;
        }
    };
    this.indexPointer = new IndexPointer() {
        public int size(Object bean) {
            return CollectionUtils.size(bean);
        }

        public Object get(Object bean, int idx) {
            return CollectionUtils.get(bean, idx);
        }

        public int firstIndexOf(Object bean, String undeterminedIndex)
                throws IllegalAccessException, InvocationTargetException, NoSuchMethodException,
                InstantiationException, IntrospectionException {
            this.setUndeterminedIndex(undeterminedIndex);
            for (int idx = 0; idx < size(bean); idx++) {
                Object object = get(bean, idx);
                if (object != null) {
                    if (evaluate(object, this.getUndeterminedIndex()))
                        return idx;
                }
            }
            return -1;
        }

        public void setIndexAsProperty(Object bean, String undeterminedIndex)
                throws IllegalAccessException, InvocationTargetException, NoSuchMethodException,
                InstantiationException, IntrospectionException {
            this.setUndeterminedIndex(undeterminedIndex);
            Object value = propertyValue.simple(bean, this.getProperty(), this.getValue());
            pub.setProperty(bean, this.getProperty(), value);
        }

        private String undeterminedIndex;

        private void setUndeterminedIndex(String undeterminedIndex) {
            this.undeterminedIndex = undeterminedIndex;
        }

        private String getUndeterminedIndex() {
            return this.undeterminedIndex;
        }

        private boolean evaluate(Object bean, String undeterminedIndex)
                throws IllegalAccessException, InvocationTargetException, NoSuchMethodException,
                InstantiationException, IntrospectionException {
            this.setUndeterminedIndex(undeterminedIndex);
            String property = getProperty();
            String valueOfIndex = getValue();
            Object valueOfBean = pub.getProperty(bean, property);
            return ObjectUtils.equals(valueOfIndex, valueOfBean);
        }

        private String getProperty() {
            Map.Entry<String, String> entry = getNamedIndex(this.getUndeterminedIndex());
            return entry.getKey();
        }

        private String getValue() {
            Map.Entry<String, String> entry = getNamedIndex(this.getUndeterminedIndex());
            return entry.getValue();
        }

        private Map.Entry<String, String> getNamedIndex(String value) {
            final String SEP = "=";
            Map<String, String> keyValuePair = new HashMap<String, String>();
            if (StringUtils.indexOf(value, SEP) == -1)
                return null;
            keyValuePair.put(StringUtils.substringBefore(value, SEP), StringUtils.substringAfter(value, SEP));
            return keyValuePair.entrySet().iterator().next();
        }
    };
    this.pub = BeanUtilsBean.getInstance().getPropertyUtils();
    this.pub.setResolver(new ResolverImpl());
}

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From source file:org.apache.stanbol.client.StanbolClientTest.java

@Test
public void testEntityHub() throws IOException, StanbolServiceException, StanbolClientException {
    final EntityHub client = factory.createEntityHubClient();
    final String resourceId = "http://dbpedia.org/resource/Doctor_Who";
    final String parisId = "http://dbpedia.org/resource/Paris";
    final String ldPathProgram = "@prefix find:<http://stanbol.apache.org/ontology/entityhub/find/>; find:labels = rdfs:label[@en] :: xsd:string; find:comment = rdfs:comment[@en] :: xsd:string; find:categories = dc:subject :: xsd:anyURI; find:mainType = rdf:type :: xsd:anyURI;";

    // Create the entity
    try (final InputStream entityContentStream = this.getClass().getClassLoader()
            .getResourceAsStream(TEST_RDF_FILE)) {
        String id = client.create(entityContentStream, resourceId, true);
        Assert.assertNotNull(id);//from   w  w w .  j a v a  2  s  .  c  o  m
        Assert.assertNotEquals(id.toString().indexOf(resourceId), -1);
    }

    // Get the entity
    Entity entity = client.get(resourceId);
    Assert.assertNotNull(entity);
    Assert.assertEquals("Doctor Who", entity.getLabels("en").iterator().next());
    Assert.assertEquals(resourceId, entity.getUri());

    // Test Entity Model
    Assert.assertEquals("entityhub", entity.getReferencedSite());
    Assert.assertEquals("http://dbpedia.org/resource/Category:BBC_television_programmes",
            entity.getCategories().iterator().next());
    Assert.assertEquals("http://schema.org/CreativeWork", entity.getTypes().iterator().next());
    Assert.assertNotNull(entity.getComments("en").iterator().next());

    Collection<String> labels = entity.getLabels("en");
    Assert.assertEquals(1, labels.size());
    Assert.assertEquals("Doctor Who", entity.getLabels("en").iterator().next());
    Assert.assertEquals("777",
            entity.getPropertyValues("http://dbpedia.org/property/", "numEpisodes").iterator().next());

    // Remove the entity
    boolean removed = client.delete(resourceId);
    Assert.assertTrue(removed);

    // Try to get the entity
    Assert.assertNull(client.get(resourceId));

    // Test Get Entity Site
    Entity paris = client.get("dbpedia", parisId);
    Assert.assertNotNull(paris);
    Assert.assertEquals(parisId, paris.getUri());
    Assert.assertEquals("dbpedia", paris.getReferencedSite());
    Assert.assertEquals("http://dbpedia.org/resource/Category:3rd-century_BC_establishments",
            CollectionUtils.get(paris.getCategories(), 1));
    Assert.assertEquals("2211297",
            paris.getPropertyValues("http://dbpedia.org/ontology/", "populationTotal").iterator().next());

    // Test Lookup
    paris = client.lookup(parisId, true);
    entity = client.get(paris.getUri());
    Assert.assertNotNull(entity);
    Assert.assertTrue(client.delete(paris.getUri()));

    // Test Search
    LDPathProgram program = new LDPathProgram(ldPathProgram);
    Collection<Entity> entities = client.search("Paris*", null, "en", program, 10, 0);
    Assert.assertTrue(entities.isEmpty());

    entities = client.search("dbpedia", "Paris*", null, "en", program, 10, 0);
    Assert.assertFalse(entities.isEmpty());
    List<Entity> eList = Lists.newArrayList(entities);
    assertEquals("Civil parishes in England",
            eList.get(2).getPropertyValues("http://stanbol.apache.org/ontology/entityhub/find/", "labels")
                    .iterator().next());

    // Test ldpath
    program = new LDPathProgram();
    program.addNamespace("find", "http://stanbol.apache.org/ontology/entityhub/find/");
    program.addFieldDefinition("find:categories", "dc:subject :: xsd:anyURI;");

    Model model = client.ldpath("dbpedia", parisId, program);
    String category = model
            .listObjectsOfProperty(model.getResource(parisId),
                    model.createProperty(program.getNamespace("find"), "categories"))
            .next().asResource().getURI();
    Assert.assertEquals("http://dbpedia.org/resource/Category:Paris", category);
}

---

From source file:org.apache.stanbol.client.test.StanbolClientTest.java

@Test
public void testEntityHub() throws Exception {
    final EntityHub client = factory.createEntityHubClient();
    final String resourceId = "http://dbpedia.org/resource/Doctor_Who";
    final String parisId = "http://dbpedia.org/resource/Paris";
    final String ldPathProgram = "@prefix find:<http://stanbol.apache.org/ontology/entityhub/find/>; find:labels = rdfs:label[@en] :: xsd:string; find:comment = rdfs:comment[@en] :: xsd:string; find:categories = dc:subject :: xsd:anyURI; find:mainType = rdf:type :: xsd:anyURI;";

    // Create the entity
    String id = client.create(this.getClass().getClassLoader().getResourceAsStream(TEST_RDF_FILE), resourceId,
            true);/*  w  w w .j a  v  a  2 s.c o  m*/
    Assert.assertNotNull(id);
    Assert.assertNotEquals(id.toString().indexOf(resourceId), -1);

    // Get the entity
    Entity entity = client.get(resourceId);
    Assert.assertNotNull(entity);
    Assert.assertEquals(entity.getLabels("en").iterator().next(), "Doctor Who");
    Assert.assertEquals(entity.getUri(), resourceId);

    // Test Entity Model
    Assert.assertEquals(entity.getReferencedSite(), "entityhub");
    Assert.assertEquals(entity.getCategories().iterator().next(),
            "http://dbpedia.org/resource/Category:BBC_television_programmes");
    Assert.assertEquals(entity.getTypes().iterator().next(), "http://schema.org/CreativeWork");
    Assert.assertNotNull(entity.getComments("en").iterator().next());

    Collection<String> labels = entity.getLabels("en");
    Assert.assertEquals(labels.size(), 1);
    Assert.assertEquals(entity.getLabels("en").iterator().next(), "Doctor Who");
    Assert.assertEquals(
            entity.getPropertyValues("http://dbpedia.org/property/", "numEpisodes").iterator().next(), "777");

    // Remove the entity
    boolean removed = client.delete(resourceId);
    Assert.assertTrue(removed);

    // Try to get the entity
    Assert.assertNull(client.get(resourceId));

    // Test Get Entity Site
    Entity paris = client.get("dbpedia", parisId);
    Assert.assertNotNull(paris);
    Assert.assertEquals(paris.getUri(), parisId);
    Assert.assertEquals(paris.getReferencedSite(), "dbpedia");
    Assert.assertEquals(CollectionUtils.get(paris.getCategories(), 1),
            "http://dbpedia.org/resource/Category:3rd-century_BC_establishments");
    Assert.assertEquals(
            paris.getPropertyValues("http://dbpedia.org/ontology/", "populationTotal").iterator().next(),
            "2211297");

    // Test Lookup
    paris = client.lookup(parisId, true);
    entity = client.get(paris.getUri());
    Assert.assertNotNull(entity);
    Assert.assertTrue(client.delete(paris.getUri()));

    // Test Search
    LDPathProgram program = new LDPathProgram(ldPathProgram);
    Collection<Entity> entities = client.search("Paris*", null, "en", program, 10, 0);
    Assert.assertTrue(entities.isEmpty());

    entities = client.search("dbpedia", "Paris*", null, "en", program, 10, 0);
    Assert.assertFalse(entities.isEmpty());
    List<Entity> eList = Lists.newArrayList(entities);
    assertEquals(eList.get(2).getPropertyValues("http://stanbol.apache.org/ontology/entityhub/find/", "labels")
            .iterator().next(), "Civil parishes in England");

    // Test ldpath
    program = new LDPathProgram();
    program.addNamespace("find", "http://stanbol.apache.org/ontology/entityhub/find/");
    program.addFieldDefinition("find:categories", "dc:subject :: xsd:anyURI;");

    Model model = client.ldpath("dbpedia", parisId, program);
    String category = model
            .listObjectsOfProperty(model.getResource(parisId),
                    model.createProperty(program.getNamespace("find"), "categories"))
            .next().asResource().getURI();
    Assert.assertEquals(category, "http://dbpedia.org/resource/Category:Paris");
}

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From source file:org.gradle.nativeplatform.toolchain.internal.msvcpp.VisualCppNativeCompiler.java

@Override
protected List<String> getPCHArgs(T spec) {
    List<String> pchArgs = new ArrayList<String>();
    if (CollectionUtils.isNotEmpty(spec.getPreCompiledHeaders())
            && spec.getPreCompiledHeaderObjectFile() != null) {
        String lastHeader = (String) CollectionUtils.get(spec.getPreCompiledHeaders(),
                spec.getPreCompiledHeaders().size() - 1);
        if (lastHeader.startsWith("<")) {
            lastHeader = lastHeader.substring(1, lastHeader.length() - 1);
        }//from  w ww.j a  v  a2s. co m
        pchArgs.add("/Yu".concat(lastHeader));
        pchArgs.add("/Fp".concat(spec.getPreCompiledHeaderObjectFile().getAbsolutePath()));
    }
    return pchArgs;
}

---

From source file:org.jbuiltDemo.managed.view.Xhtml2Jbuilt.java

public void convertNode(ElementNode node, StringBuffer code, String tabs) {
    if (node.textOnly) {
        if (node.text != null && !"".equals(node.text.trim())) {
            String[] lines = node.text.trim().split("\n");
            if (lines.length == 1) {
                code.append(tabs).append("text( \"").append(node.text.trim()).append("\")/*TM*/\n")
                        .append(tabs);//.append(")/*TN*/,\n");//.append(tabs);
            } else {
                code.append("\n").append(tabs).append("text( \"\n");
                for (String line : lines) {
                    code.append(tabs).append("\t\"").append(line).append("\",\n");
                }/*from   ww  w  .  j  av a2  s  .  c om*/
                code.append(tabs).append("\")/*TO*/\n").append(tabs).append(")/*TP*/,\n").append(tabs);
            }
        } else if (node.comments != null) {
            code.append("\n");
            for (String line : node.comments.split("\n")) {
                code.append(tabs).append("//").append(line).append("\n");
            }
        } else if (node.text.contains("\n")) {
            code.append("\n");
        }
        return;
    }

    String ns = defaultMappings.containsKey(node.mapping) ? defaultMappings.get(node.mapping)
            : info.mappings.get(node.mapping);

    if (ns == null || "".equals(ns)) {
        ns = "xh";
    }

    boolean t = false; //node.areChildrenOnlyText();
    String txt = node.getChildrenAsText();
    if (txt.length() > 40 || txt.length() == 0) {
        t = false;
    }
    code.append(tabs)./*append(ns).append(".").*/append(node.name);
    if (node.attributes.size() > 0 || t || node.children.size() == 0) {
        code.append(" (/*T*/\n").append(tabs).append("\t");
    }
    if (t) {
        code.append("\"").append(txt.replaceAll("\"", "\\\\\"")).append("\"");
    }
    int atts = 0;
    Set<String> nodeAttributeSet = node.attributes.keySet();
    for (String an : nodeAttributeSet) {
        if ("".equals(an)) {
            continue;
        }
        if (atts > 0 || t) {
            code.append(""); // was ,/*C*/
        }
        //         if (an.matches(".*[^a-zA-Z0-9]+.*")) code.append("\"").append(an).append("\"");
        /*else*/ code.append(an);
        code.append("(/*S*/").append("\"");
        // if this is the last one, don't add a comma
        if (CollectionUtils.get(nodeAttributeSet, nodeAttributeSet.size() - 1) == an) {
            code.append(node.attributes.get(an)).append("\")/*P*/\n\t\t");
        } else {
            // if this is last node wrap an extra comma and parenthese
            code.append(node.attributes.get(an)).append("\"),/*P2*/\n\t").append(tabs);
        }
        atts++;
    }
    if (node.children.size() > 0 && !t) {
        String ntabs = tabs + "\t";
        if (node.attributes.size() > 0 || node.children.size() == 0) {
            code.append("");// code.append("(),\n"); // was )/*Y*/
        }
        code.append(" (/*Z*/\n");
        this.compactTextChildren(node);
        for (ElementNode child : node.children) {
            this.convertNode(child, code, ntabs);
        }
        if (node.attributes.size() > 0 || node.children.size() == 0) {
            code.append(tabs).append(")/*L no CH*/\n");
        } else {
            code.append(tabs).append("),/*L*/\n");
        }

    } else if (node.attributes.size() > 0 || t || node.children.size() == 0) {
        code.append(")/*Atts no Ch and text*/\n").append("\t");//.append("),/*N*/\n");
    }
}

---

From source file:org.keycloak.testsuite.console.authentication.FlowsTest.java

private AuthenticationFlowRepresentation getLastFlowFromREST() {
    List<AuthenticationFlowRepresentation> allFlows = testRealmResource().flows().getFlows();
    return (AuthenticationFlowRepresentation) CollectionUtils.get(allFlows, (allFlows.size() - 1));
}

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