Example usage for com.google.common.collect ImmutableSet isEmpty

Introduction

In this page you can find the example usage for com.google.common.collect ImmutableSet isEmpty.

Prototype

boolean isEmpty();

Source Link

Document

Returns true if this set contains no elements.

Usage

From source file:com.facebook.buck.step.fs.UnzipStep.java

@VisibleForTesting
static void extractZipFile(String zipFile, String destination, ImmutableSet<String> filesToExtract,
        boolean overwriteExistingFiles) throws IOException {
    // Create output directory is not exists
    File folder = new File(destination);
    // TODO UnzipStep could be a CompositeStep with a MakeCleanDirectoryStep for the output dir.
    if (!folder.exists() && !folder.mkdirs()) {
        throw new IOException(String.format("Folder %s could not be created.", folder.toString()));
    }/*from   www .  ja va 2  s  . c om*/

    try (ZipInputStream zip = new ZipInputStream(new FileInputStream(zipFile))) {
        for (ZipEntry entry = zip.getNextEntry(); entry != null; entry = zip.getNextEntry()) {
            String fileName = entry.getName();
            // If filesToExtract is not empty, check if current entry is contained.
            if (!filesToExtract.isEmpty() && !filesToExtract.contains(fileName)) {
                continue;
            }
            File target = new File(folder, fileName);
            if (target.exists() && !overwriteExistingFiles) {
                continue;
            }
            if (entry.isDirectory()) {
                // Create the directory and all its parent directories
                if (!target.mkdirs()) {
                    throw new IOException(String.format("Folder %s could not be created.", target.toString()));
                }
            } else {
                // Create parent folder
                File parentFolder = target.getParentFile();
                if (!parentFolder.exists() && !parentFolder.mkdirs()) {
                    throw new IOException(
                            String.format("Folder %s could not be created.", parentFolder.toString()));
                }
                // Write file
                try (FileOutputStream out = new FileOutputStream(target)) {
                    ByteStreams.copy(zip, out);
                }
            }
        }
    }
}

From source file:com.google.javascript.jscomp.newtypes.ObjectType.java

static ImmutableSet<ObjectType> joinSets(ImmutableSet<ObjectType> objs1, ImmutableSet<ObjectType> objs2) {
    if (objs1.isEmpty()) {
        return objs2;
    } else if (objs2.isEmpty()) {
        return objs1;
    }//from   w  w  w. j a v  a 2  s  .co  m
    ObjectType[] objs1Arr = objs1.toArray(new ObjectType[0]);
    ObjectType[] keptFrom1 = Arrays.copyOf(objs1Arr, objs1Arr.length);
    ImmutableSet.Builder<ObjectType> newObjs = ImmutableSet.builder();
    for (ObjectType obj2 : objs2) {
        boolean addedObj2 = false;
        for (int i = 0; i < objs1Arr.length; i++) {
            ObjectType obj1 = objs1Arr[i];
            NominalType nominalType1 = obj1.nominalType;
            NominalType nominalType2 = obj2.nominalType;
            if (areRelatedClasses(nominalType1, nominalType2)) {
                if (nominalType2 == null && nominalType1 != null && !obj1.isSubtypeOf(obj2)
                        || nominalType1 == null && nominalType2 != null && !obj2.isSubtypeOf(obj1)) {
                    // Don't merge other classes with record types
                    break;
                }
                keptFrom1[i] = null;
                addedObj2 = true;
                // obj1 and obj2 may be in a subtype relation.
                // Even then, we want to join them because we don't want to forget
                // any extra properties in the subtype object.
                newObjs.add(join(obj1, obj2));

                break;
            }
        }
        if (!addedObj2) {
            newObjs.add(obj2);
        }
    }
    for (ObjectType o : keptFrom1) {
        if (o != null) {
            newObjs.add(o);
        }
    }
    return newObjs.build();
}

From source file:io.mindmaps.graql.internal.query.match.MatchQuerySelect.java

MatchQuerySelect(MatchQueryInternal inner, ImmutableSet<String> names) {
    super(inner);

    if (names.isEmpty()) {
        throw new IllegalArgumentException(ErrorMessage.SELECT_NONE_SELECTED.getMessage());
    }/*from   w  w  w.ja  va 2s . c om*/

    this.names = names;
}

From source file:google.registry.tools.DeleteReservedListCommand.java

@Override
protected void init() throws Exception {
    checkArgument(ReservedList.get(name).isPresent(),
            "Cannot delete the reserved list %s because it doesn't exist.", name);
    ReservedList existing = ReservedList.get(name).get();
    ImmutableSet<String> tldsUsedOn = existing.getReferencingTlds();
    checkArgument(tldsUsedOn.isEmpty(), "Cannot delete reserved list because it is used on these tld(s): %s",
            Joiner.on(", ").join(tldsUsedOn));
    stageEntityChange(existing, null);//from   w w  w. j  a va  2s . c  o  m
}

From source file:org.androidtransfuse.TransfuseAnalysisException.java

public TransfuseAnalysisException(String message, ImmutableSet<Exception> errors) {
    //todo: print out all errors
    super(message, errors.isEmpty() ? null : errors.iterator().next());
}

From source file:org.geogit.api.plumbing.ResolveBranchId.java

@Override
public Optional<Ref> call() {
    Preconditions.checkState(id != null, "id has not been set.");
    Predicate<Ref> filter = new Predicate<Ref>() {
        @Override//from  ww w  . ja  va 2 s  . c  o  m
        public boolean apply(@Nullable Ref ref) {
            return ref.getObjectId().equals(id);
        }
    };
    ImmutableSet<Ref> refs = command(ForEachRef.class).setFilter(filter).call();
    if (refs.isEmpty()) {
        return Optional.absent();
    } else {
        return Optional.of(refs.iterator().next());
    }
}

From source file:org.locationtech.geogig.api.plumbing.ResolveBranchId.java

@Override
protected Optional<Ref> _call() {
    Preconditions.checkState(id != null, "id has not been set.");
    Predicate<Ref> filter = new Predicate<Ref>() {
        @Override//from   ww  w. ja  v a  2 s  .  c o  m
        public boolean apply(@Nullable Ref ref) {
            return ref.getObjectId().equals(id);
        }
    };
    ImmutableSet<Ref> refs = command(ForEachRef.class).setFilter(filter).call();
    if (refs.isEmpty()) {
        return Optional.absent();
    } else {
        return Optional.of(refs.iterator().next());
    }
}

From source file:google.registry.tools.DeletePremiumListCommand.java

@Override
protected void init() throws Exception {
    checkArgument(PremiumList.exists(name), "Cannot delete the premium list %s because it doesn't exist.",
            name);//from  www  .  ja va2s .  c  om
    premiumList = PremiumList.get(name).get();
    ImmutableSet<String> tldsUsedOn = premiumList.getReferencingTlds();
    checkArgument(tldsUsedOn.isEmpty(), "Cannot delete premium list because it is used on these tld(s): %s",
            Joiner.on(", ").join(tldsUsedOn));
}

From source file:org.locationtech.geogig.plumbing.ResolveBranchId.java

@Override
protected Optional<Ref> _call() {
    Preconditions.checkState(id != null, "id has not been set.");
    Predicate<Ref> filter = new Predicate<Ref>() {

        private ObjectId id = ResolveBranchId.this.id;

        @Override//from  w ww . jav a 2  s .  c o m
        public boolean apply(@Nullable Ref ref) {
            String refName = ref.getName();
            ObjectId refId = ref.getObjectId();
            return refName.startsWith(Ref.HEADS_PREFIX) && refId.equals(this.id);
        }
    };
    ImmutableSet<Ref> refs = command(ForEachRef.class).setFilter(filter).call();
    if (refs.isEmpty()) {
        return Optional.absent();
    } else {
        return Optional.of(refs.iterator().next());
    }
}

From source file:google.registry.tools.GetLrpTokenCommand.java

@Override
public void run() throws Exception {
    checkArgument((tokenString == null) == (assignee != null),
            "Exactly one of either token or assignee must be specified.");
    ImmutableSet.Builder<LrpTokenEntity> tokensBuilder = new ImmutableSet.Builder<>();
    if (tokenString != null) {
        LrpTokenEntity token = ofy().load().key(Key.create(LrpTokenEntity.class, tokenString)).now();
        if (token != null) {
            tokensBuilder.add(token);/*  w ww  .  j a  v  a 2  s  .  co  m*/
        }
    } else {
        tokensBuilder.addAll(ofy().load().type(LrpTokenEntity.class).filter("assignee", assignee));
    }

    ImmutableSet<LrpTokenEntity> tokens = tokensBuilder.build();
    if (!tokens.isEmpty()) {
        for (LrpTokenEntity token : tokens) {
            System.out.println(token);
            if (includeHistory && token.getRedemptionHistoryEntry() != null) {
                System.out
                        .println(ofy().load().key(token.getRedemptionHistoryEntry()).now().toHydratedString());
            }
        }
    } else {
        System.out.println("Token not found.");
    }
}