Example usage for com.google.common.collect Iterables getLast

List of usage examples for com.google.common.collect Iterables getLast

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Introduction

In this page you can find the example usage for com.google.common.collect Iterables getLast.

Prototype

public static <T> T getLast(Iterable<T> iterable)

Source Link

Document

Returns the last element of iterable .

Usage

From source file:org.renjin.primitives.special.SwitchFunction.java

private static SEXP doApply(Context context, Environment rho, FunctionCall call, PairList args) {
    EvalException.check(call.length() > 1, "argument \"EXPR\" is missing");

    SEXP expr = context.evaluate(args.getElementAsSEXP(0), rho);
    EvalException.check(expr.length() == 1, "EXPR must return a length 1 vector");

    Iterable<PairList.Node> branches = Iterables.skip(args.nodes(), 1);

    if (expr instanceof StringVector) {
        String name = ((StringVector) expr).getElementAsString(0);
        if (StringVector.isNA(name)) {
            context.setInvisibleFlag();//from   ww w .j  a va 2s.c  om
            return Null.INSTANCE;
        }
        SEXP partialMatch = null;
        int partialMatchCount = 0;
        for (PairList.Node node : branches) {
            if (node.hasTag()) {
                String branchName = node.getTag().getPrintName();
                if (branchName.equals(name)) {
                    return context.evaluate(nextNonMissing(node), rho);
                } else if (branchName.startsWith(name)) {
                    partialMatch = nextNonMissing(node);
                    partialMatchCount++;
                }
            }
        }
        if (partialMatchCount == 1) {
            return context.evaluate(partialMatch, rho);
        } else if (Iterables.size(branches) > 0) {
            PairList.Node last = Iterables.getLast(branches);
            if (!last.hasTag()) {
                return context.evaluate(last.getValue(), rho);
            }
        }

    } else if (expr instanceof AtomicVector) {
        int branchIndex = ((AtomicVector) expr).getElementAsInt(0);
        if (branchIndex >= 1 && branchIndex <= Iterables.size(branches)) {
            return context.evaluate(Iterables.get(branches, branchIndex - 1).getValue(), rho);
        }
    }
    // no match
    return Null.INSTANCE;
}

From source file:org.sosy_lab.cpachecker.cpa.predicate.persistence.PredicatePersistenceUtils.java

public static Pair<String, List<String>> splitFormula(FormulaManagerView fmgr, BooleanFormula f) {
    StringBuilder fullString = new StringBuilder();
    Appenders.appendTo(fullString, fmgr.dumpFormula(f));
    List<String> lines = LINE_SPLITTER.splitToList(fullString);

    String formulaString;/*ww w.  java 2  s.co m*/
    List<String> declarations;

    if (lines.isEmpty()) {
        if (fmgr.getBooleanFormulaManager().isTrue(f)) {
            declarations = Collections.emptyList();
            formulaString = "(assert true)";
        } else {
            throw new AssertionError();
        }
    } else {
        declarations = lines.subList(0, lines.size() - 1);
        formulaString = Iterables.getLast(lines);
    }

    assert formulaString.startsWith("(assert ") && formulaString.endsWith(")") : "Unexpected formula format: "
            + formulaString;

    return Pair.of(formulaString, declarations);
}

From source file:is.illuminati.block.spyros.garmin.model.Track.java

/** 
 * Get end time of track.
 * @return the end time.
 */
public DateTime getEndTime() {
    return Iterables.getLast(trackPoints).getTime();
}

From source file:org.sonar.pickbasic.checks.SwitchWithoutDefaultCheck.java

@Override
public void visitSwitchStatement(SwitchStatementTree tree) {
    if (!hasDefaultCase(tree)) {
        getContext().addIssue(this, tree, ADD_DEFAULT_MESSAGE);

    } else if (!Iterables.getLast(tree.cases()).is(Kind.DEFAULT_CLAUSE)) {
        getContext().addIssue(this, tree, MOVE_DEFAULT_MESSAGE);
    }/*from ww  w  .  jav  a  2  s .c om*/
    super.visitSwitchStatement(tree);
}

From source file:org.kitesdk.data.spi.filesystem.FileSystemDatasets.java

/**
 * Convert a URI for a partition directory in a filesystem dataset to a {@link View}
 * object representing that partition.//from  w w  w.  j av  a  2  s . c om
 * @param dataset the (partitioned) filesystem dataset
 * @param uri the path to the partition directory
 * @return a view of the partition
 */
public static <E> View<E> viewForUri(Dataset<E> dataset, URI uri) {
    Preconditions.checkArgument(dataset instanceof FileSystemDataset, "Not a file system dataset: " + dataset);

    DatasetDescriptor descriptor = dataset.getDescriptor();

    String s1 = descriptor.getLocation().getScheme();
    String s2 = uri.getScheme();
    Preconditions.checkArgument((s1 == null || s2 == null) || s1.equals(s2), "%s is not contained in %s", uri,
            descriptor.getLocation());

    URI location = URI.create(descriptor.getLocation().getPath());
    URI relative = location.relativize(URI.create(uri.getPath()));
    if (relative.toString().isEmpty()) {
        // no partitions are selected
        return dataset;
    }

    Preconditions.checkArgument(!relative.getPath().startsWith("/"), "%s is not contained in %s", uri,
            location);
    Preconditions.checkArgument(descriptor.isPartitioned(), "Dataset is not partitioned");

    Schema schema = descriptor.getSchema();
    PartitionStrategy strategy = descriptor.getPartitionStrategy();

    RefinableView<E> view = dataset;
    Iterator<String> parts = PATH_SPLITTER.split(relative.toString()).iterator();
    for (FieldPartitioner fp : Accessor.getDefault().getFieldPartitioners(strategy)) {
        if (!parts.hasNext()) {
            break;
        }
        String value = Iterables.getLast(KV_SPLITTER.split(parts.next()));
        Schema fieldSchema = SchemaUtil.fieldSchema(schema, strategy, fp.getName());
        view = view.with(fp.getName(), Conversions.convert(value, fieldSchema));
    }
    return view;
}

From source file:org.sonar.java.checks.LambdaTypeParameterCheck.java

@Override
public void visitNode(Tree tree) {
    LambdaExpressionTree lambdaExpressionTree = (LambdaExpressionTree) tree;
    List<VariableTree> parameters = lambdaExpressionTree.parameters();
    if (parameters.size() <= 2 && !lambdaExpressionTree.body().is(Tree.Kind.BLOCK)) {
        // ignore lambdas with one or two params and a non-block body
        return;/*w  w  w  .  j  a  va2s .c  o  m*/
    }
    String missingTypeParameters = parameters.stream()
            .filter(variable -> variable.type().is(Tree.Kind.INFERED_TYPE)).map(VariableTree::simpleName)
            .map(IdentifierTree::name).map(parameterName -> "'" + parameterName + "'")
            .collect(Collectors.joining(", "));

    if (!missingTypeParameters.isEmpty()) {
        reportIssue(parameters.get(0), Iterables.getLast(parameters),
                String.format("Specify a type for: %s", missingTypeParameters));
    }
}

From source file:org.richfaces.services.ServiceLoader.java

public static <S> S loadService(Class<S> serviceClass) {
    Collection<Class<? extends S>> serviceClasses = loadServiceClasses(serviceClass);
    try {// w  w  w  . ja v  a  2s .  c  o  m
        return createInstance(Iterables.getLast(serviceClasses));
    } catch (NoSuchElementException e) {
        return null;
    }
}

From source file:com.google.api.tools.framework.aspects.http.MethodMatcher.java

public MethodMatcher(MethodPattern pattern, Method method, HttpAttribute httpConfig) {
    this.pattern = pattern;
    this.method = method;
    this.httpConfig = httpConfig;

    matches = false;//from ww w .j  a v  a2  s .c  om

    // Check http method.
    if (httpConfig.getMethodKind() != pattern.httpMethod()) {
        return;
    }

    // Check name regexp.
    nameMatcher = pattern.nameRegexp().matcher(method.getSimpleName());
    if (!nameMatcher.matches()) {
        return;
    }

    // Determine match on last segment.
    List<PathSegment> flatPath = httpConfig.getFlatPath();
    PathSegment lastSegment = Iterables.getLast(flatPath);
    switch (pattern.lastSegmentPattern()) {
    case CUSTOM_VERB_WITH_COLON:
        // Allow only standard conforming custom method which uses <prefix>:<literal>.
        matches = lastSegment instanceof LiteralSegment
                && ((LiteralSegment) lastSegment).isTrailingCustomVerb();
        break;
    case CUSTOM_VERB:
        // Allow both a custom verb literal and a regular literal, the latter is for supporting
        // legacy custom verbs.
        matches = lastSegment instanceof LiteralSegment;
        break;
    case VARIABLE:
        matches = lastSegment instanceof WildcardSegment;
        break;
    case LITERAL:
        matches = lastSegment instanceof LiteralSegment
                && !((LiteralSegment) lastSegment).isTrailingCustomVerb();
        break;
    }
}

From source file:org.sonar.javascript.checks.SwitchWithoutDefaultCheck.java

@Override
public void visitSwitchStatement(SwitchStatementTree tree) {
    if (!hasDefaultCase(tree)) {
        addLineIssue(tree, ADD_DEFAULT_MESSAGE);

    } else if (!Iterables.getLast(tree.cases()).is(Kind.DEFAULT_CLAUSE)) {
        addLineIssue(tree, MOVE_DEFAULT_MESSAGE);
    }//from w  ww  . j a va 2 s  .co  m
    super.visitSwitchStatement(tree);
}

From source file:org.cicomponents.github.impl.GithubOAuthTokenProvisioner.java

@SneakyThrows
@Override/*from  ww w  . ja  va  2  s.  c  o m*/
public void finalizeOAuth(UUID uuid, String code) {
    Collection<OAuthTokenProvider> providers = registrations.get(uuid);
    providers.forEach(new Consumer<OAuthTokenProvider>() {
        @SneakyThrows
        @Override
        public void accept(OAuthTokenProvider p) {
            p.setToken(p.getService().getAccessToken(code));
        }
    });
    ArrayList<String> tokens = new ArrayList<>(
            providers.stream().map(OAuthTokenProvider::getAccessToken).collect(Collectors.toList()));
    persistentMap.put(Iterables.getLast(providers).getCredentialsProvider().getClientId(), tokens);
    Collection<ServiceRegistration<GithubOAuthTokenProvider>> registrations = registerProviders(providers);
    this.registrations.remove(uuid);
    tokenProviders.addAll(registrations);
    providers.forEach(p -> pendingProvisioning.remove(p.getCredentialsProvider().getClientId()));
}