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

Introduction

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

Prototype

public static <T> T getLast(Iterator<T> iterator) 

Source Link

Document

Advances iterator to the end, returning the last element.

Usage

From source file:org.gradle.api.internal.artifacts.ivyservice.resolveengine.graph.builder.MessageBuilderHelper.java

static Collection<String> pathTo(EdgeState edge, boolean includeLast) {
    List<List<EdgeState>> acc = Lists.newArrayListWithExpectedSize(1);
    pathTo(edge, Lists.<EdgeState>newArrayList(), acc, Sets.<NodeState>newHashSet());
    List<String> result = Lists.newArrayListWithCapacity(acc.size());
    for (List<EdgeState> path : acc) {
        EdgeState target = Iterators.getLast(path.iterator());
        StringBuilder sb = new StringBuilder();
        if (target.getSelector().getDependencyMetadata().isConstraint()) {
            sb.append("Constraint path ");
        } else {/*from ww  w .  j  a va2s. co m*/
            sb.append("Dependency path ");
        }
        boolean first = true;
        for (EdgeState e : path) {
            if (!first) {
                sb.append(" --> ");
            }
            first = false;
            ModuleVersionIdentifier id = e.getFrom().getResolvedConfigurationId().getId();
            sb.append('\'').append(id).append('\'');
        }
        if (includeLast) {
            sb.append(" --> ");
            ModuleIdentifier moduleId = edge.getSelector().getTargetModule().getId();
            sb.append('\'').append(moduleId.getGroup()).append(':').append(moduleId.getName()).append('\'');
        }
        result.add(sb.toString());
    }
    return result;
}

---

From source file:me.j360.dubbo.modules.util.collection.CollectionUtil.java

/**
 * ?Collection?collectionnull.//from  ww w . jav a  2  s.  c  o m
 */
public static <T> T getLast(Collection<T> collection) {
    if (isEmpty(collection)) {
        return null;
    }

    // List??.
    if (collection instanceof List) {
        List<T> list = (List<T>) collection;
        return list.get(list.size() - 1);
    }

    return Iterators.getLast(collection.iterator());
}

---

From source file:com.adobe.acs.commons.wcm.comparisons.impl.VersionServiceImpl.java

@Override
public Version lastVersion(Resource resource) {
    try {/*from  www .  j  a v a 2s  .  c om*/
        Resource versionableResource = resource.isResourceType(NameConstants.NT_PAGE)
                ? resource.getChild(NameConstants.NN_CONTENT)
                : resource;
        VersionManager versionManager = versionableResource.getResourceResolver().adaptTo(Session.class)
                .getWorkspace().getVersionManager();
        final Iterator<Version> allVersions = versionManager.getVersionHistory(versionableResource.getPath())
                .getAllVersions();
        return Iterators.getLast(allVersions);
    } catch (RepositoryException e) {
        log.error("Error receiving last version of resource [ {} ]", resource.getName());
    }
    return null;
}

---

From source file:com.flowlogix.security.PassThruAuthenticationFilter.java

@Override
protected void redirectToLogin(ServletRequest request, ServletResponse response) throws IOException {
    boolean isGetRequest = HttpMethod.GET.equalsIgnoreCase(WebUtils.toHttp(request).getMethod());
    String sessionExpired = Iterators
            .getLast(Splitter.on('.').split(AttributeKeys.SESSION_EXPIRED_KEY).iterator());
    Servlets.facesRedirect(WebUtils.toHttp(request), WebUtils.toHttp(response),
            Servlets.getRequestBaseURL(WebUtils.toHttp(request)) + getLoginUrl().replaceFirst("^/", "")
                    + (isGetRequest ? "" : "?%s=true"),
            sessionExpired);/*from   w  ww .  j a va 2  s  . com*/
}

---

From source file:com.github.jeluard.stone.spi.Storage.java

/**
 * Default implementation relying on {@link #all()}: it iterates over {@link #all()} elements to access the last one.
 *
 * @return //from w ww.  java 2  s  .c o  m
 * @see Iterables#getLast(java.lang.Iterable)
 */
@Override
public Optional<Long> end() throws IOException {
    try {
        final Iterator<Pair<Long, int[]>> consolidates = all().iterator();
        return Optional.of(Iterators.getLast(consolidates).first);
    } catch (NoSuchElementException e) {
        return Optional.absent();
    }
}

---

From source file:com.devcexx.libtrails.examples.skin.SkinDownloader.java

public String getSkinUrl(GameProfile prof) throws ParseException {
    Collection<Property> ps = prof.getProperties().get("textures");

    if (ps == null || ps.isEmpty()) {
        return null;
    } else {/*from  ww  w.  ja  v a 2s.  c  o m*/
        Property p = Iterators.getLast(ps.iterator());

        JSONObject obj = (JSONObject) new JSONParser()
                .parse(new String(Base64.getDecoder().decode(p.getValue())));

        obj = ((JSONObject) obj.get("textures"));
        obj = ((JSONObject) obj.get("SKIN"));
        return (String) obj.get("url");
    }
}

---

From source file:org.sonar.server.issue.index.IssueResultSetIterator.java

private static String extractModule(String moduleUuidPath) {
    return Iterators.getLast(MODULE_PATH_SPLITTER.split(moduleUuidPath).iterator());
}

---

From source file:com.ansorgit.plugins.bash.lang.psi.util.BashAbstractProcessor.java

/**
 * Returns the best results. It takes all the elements which have been rated the best
 * and returns the first / last, depending on the parameter.
 *
 * @param results          The results to check
 * @param firstResult      If the first element of the best element list should be returned.
 * @param referenceElement//from   w  w w.ja  v  a 2s  .com
 * @return The result
 */
private PsiElement findBestResult(Multimap<Integer, PsiElement> results, boolean firstResult,
        PsiElement referenceElement) {
    if (!hasResults()) {
        return null;
    }

    if (firstResult) {
        return Iterators.get(results.values().iterator(), 0);
    }

    //if the first should not be used return the best element
    int referenceLevel = preferNeigbourhood && (referenceElement != null)
            ? BashPsiUtils.blockNestingLevel(referenceElement)
            : 0;

    // find the best suitable result rating
    // The best one is as close as possible to the given referenceElement
    int bestRating = Integer.MAX_VALUE;
    int bestDelta = Integer.MAX_VALUE;
    for (int rating : results.keySet()) {
        final int delta = Math.abs(referenceLevel - rating);
        if (delta < bestDelta) {
            bestDelta = delta;
            bestRating = rating;
        }
    }

    // now get the best result
    // if there are equal definitions on the same level we prefer the first if the neighbourhood is not preferred
    if (preferNeigbourhood) {
        return Iterators.getLast(results.get(bestRating).iterator());
    } else {
        //return the element which has the lowest textOffset
        long smallestOffset = Integer.MAX_VALUE;
        PsiElement bestElement = null;

        for (PsiElement e : results.get(bestRating)) {
            //if the element is injected compute the text offset in the real file
            int textOffset = e.getTextOffset();
            if (BashPsiUtils.isInjectedElement(e)) {
                //fixme optimize this
                PsiLanguageInjectionHost injectionHost = InjectedLanguageManager.getInstance(e.getProject())
                        .getInjectionHost(e);
                if (injectionHost != null) {
                    textOffset = textOffset + injectionHost.getTextOffset();
                }
            }

            if (textOffset < smallestOffset) {
                smallestOffset = textOffset;
                bestElement = e;
            }
        }

        return bestElement;
    }
}

---

From source file:com.lyndir.lhunath.snaplog.data.object.media.TimeFrame.java

@Override
public String getLocalizedInstance() {

    String s = getFormatter().print(offset);
    logger.dbg("frame: %s, starts with: %s, ends with: %s - desc: %s", this, media.iterator().next(),
            Iterators.getLast(media.iterator()), s);
    return s;// w  ww  .jav  a 2s  . c om
}

---

From source file:io.mandrel.blob.impl.MongoBlobStore.java

@Override
public Blob getBlob(Uri uri) {
    String id = Iterators.getLast(Splitter.on('/').split(uri.getPath()).iterator());
    GridFSDownloadStream stream = bucket.openDownloadStream(new ObjectId(id));
    return fromFile.apply(stream);
}

---

• «
• 1
• 2
• »