Examples with Optional com.google.common.base.Optional used on opensource projects

Example 46 with Optional

use of com.google.common.base.Optional in project GeoGig by boundlessgeo.

the class OSMUnmapOp method _call.

@Override
protected RevTree _call() {
    Optional<OSMMappingLogEntry> entry = command(ReadOSMMappingLogEntry.class).setPath(path).call();
    if (entry.isPresent()) {
        Optional<Mapping> opt = command(ReadOSMMapping.class).setEntry(entry.get()).call();
        if (opt.isPresent()) {
            mapping = opt.get();
        }
    }
    Iterator<NodeRef> iter = command(LsTreeOp.class).setReference(path).setStrategy(Strategy.FEATURES_ONLY).call();
    FeatureMapFlusher flusher = new FeatureMapFlusher(workingTree());
    while (iter.hasNext()) {
        NodeRef node = iter.next();
        RevFeature revFeature = command(RevObjectParse.class).setObjectId(node.objectId()).call(RevFeature.class).get();
        RevFeatureType revFeatureType = command(RevObjectParse.class).setObjectId(node.getMetadataId()).call(RevFeatureType.class).get();
        List<PropertyDescriptor> descriptors = revFeatureType.sortedDescriptors();
        ImmutableList<Optional<Object>> values = revFeature.getValues();
        SimpleFeatureBuilder featureBuilder = new SimpleFeatureBuilder((SimpleFeatureType) revFeatureType.type());
        String id = null;
        for (int i = 0; i < descriptors.size(); i++) {
            PropertyDescriptor descriptor = descriptors.get(i);
            if (descriptor.getName().getLocalPart().equals("id")) {
                id = values.get(i).get().toString();
            }
            Optional<Object> value = values.get(i);
            featureBuilder.set(descriptor.getName(), value.orNull());
        }
        Preconditions.checkNotNull(id, "No 'id' attribute found");
        SimpleFeature feature = featureBuilder.buildFeature(id);
        unmapFeature(feature, flusher);
    }
    flusher.flushAll();
    if (entry.isPresent()) {
        Iterator<DiffEntry> diffs = command(DiffTree.class).setPathFilter(path).setNewTree(workingTree().getTree().getId()).setOldTree(entry.get().getPostMappingId()).call();
        while (diffs.hasNext()) {
            DiffEntry diff = diffs.next();
            if (diff.changeType().equals(DiffEntry.ChangeType.REMOVED)) {
                ObjectId featureId = diff.getOldObject().getNode().getObjectId();
                RevFeature revFeature = command(RevObjectParse.class).setObjectId(featureId).call(RevFeature.class).get();
                RevFeatureType revFeatureType = command(RevObjectParse.class).setObjectId(diff.getOldObject().getMetadataId()).call(RevFeatureType.class).get();
                List<PropertyDescriptor> descriptors = revFeatureType.sortedDescriptors();
                ImmutableList<Optional<Object>> values = revFeature.getValues();
                SimpleFeatureBuilder featureBuilder = new SimpleFeatureBuilder((SimpleFeatureType) revFeatureType.type());
                String id = null;
                for (int i = 0; i < descriptors.size(); i++) {
                    PropertyDescriptor descriptor = descriptors.get(i);
                    if (descriptor.getName().getLocalPart().equals("id")) {
                        id = values.get(i).get().toString();
                    }
                    Optional<Object> value = values.get(i);
                    featureBuilder.set(descriptor.getName(), value.orNull());
                }
                Preconditions.checkNotNull(id, "No 'id' attribute found");
                SimpleFeature feature = featureBuilder.buildFeature(id);
                Class<?> clazz = feature.getDefaultGeometryProperty().getType().getBinding();
                String deletePath = clazz.equals(Point.class) ? OSMUtils.NODE_TYPE_NAME : OSMUtils.WAY_TYPE_NAME;
                workingTree().delete(deletePath, id);
            }
        }
    }
    return workingTree().getTree();
}

Example 47 with Optional

use of com.google.common.base.Optional in project GeoGig by boundlessgeo.

the class OSMUnmapOp method unmapNode.

private void unmapNode(SimpleFeature feature, FeatureMapFlusher mapFlusher) {
    boolean modified = false;
    String id = feature.getID();
    SimpleFeatureBuilder featureBuilder = new SimpleFeatureBuilder(OSMUtils.nodeType());
    Optional<RevFeature> rawFeature = command(RevObjectParse.class).setRefSpec("WORK_HEAD:" + OSMUtils.NODE_TYPE_NAME + "/" + id).call(RevFeature.class);
    Map<String, String> tagsMap = Maps.newHashMap();
    long timestamp = System.currentTimeMillis();
    int version = 1;
    long changeset = -1;
    String user = UNKNOWN_USER;
    Collection<Tag> tags = Lists.newArrayList();
    if (rawFeature.isPresent()) {
        ImmutableList<Optional<Object>> values = rawFeature.get().getValues();
        tags = OSMUtils.buildTagsCollectionFromString(values.get(NODE_TAGS_FIELD_INDEX).get().toString());
        for (Tag tag : tags) {
            tagsMap.put(tag.getKey(), tag.getValue());
        }
        Optional<Object> timestampOpt = values.get(NODE_TIMESTAMP_FIELD_INDEX);
        if (timestampOpt.isPresent()) {
            timestamp = ((Long) timestampOpt.get()).longValue();
        }
        Optional<Object> versionOpt = values.get(NODE_VERSION_FIELD_INDEX);
        if (versionOpt.isPresent()) {
            version = ((Integer) versionOpt.get()).intValue();
        }
        Optional<Object> changesetOpt = values.get(NODE_CHANGESET_FIELD_INDEX);
        if (changesetOpt.isPresent()) {
            changeset = ((Long) changesetOpt.get()).longValue();
        }
        Optional<Object> userOpt = values.get(NODE_USER_FIELD_INDEX);
        if (userOpt.isPresent()) {
            user = (String) userOpt.get();
        }
    }
    Map<String, String> unaliased = Maps.newHashMap();
    Collection<Property> properties = feature.getProperties();
    for (Property property : properties) {
        String name = property.getName().getLocalPart();
        if (name.equals("id") || Geometry.class.isAssignableFrom(property.getDescriptor().getType().getBinding())) {
            continue;
        }
        Object value = property.getValue();
        if (value != null) {
            String tagName = name;
            if (mapping != null) {
                if (unaliased.containsKey(name)) {
                    tagName = unaliased.get(name);
                } else {
                    tagName = mapping.getTagNameFromAlias(path, tagName);
                    unaliased.put(name, tagName);
                }
            }
            if (!DefaultField.isDefaultField(tagName)) {
                if (tagsMap.containsKey(tagName)) {
                    if (!modified) {
                        String oldValue = tagsMap.get(tagName);
                        modified = !value.equals(oldValue);
                    }
                } else {
                    modified = true;
                }
                tagsMap.put(tagName, value.toString());
            }
        }
    }
    if (!modified && rawFeature.isPresent()) {
        // no changes after unmapping tags, so there's nothing else to do
        return;
    }
    Collection<Tag> newTags = Lists.newArrayList();
    Set<Entry<String, String>> entries = tagsMap.entrySet();
    for (Entry<String, String> entry : entries) {
        newTags.add(new Tag(entry.getKey(), entry.getValue()));
    }
    featureBuilder.set("tags", OSMUtils.buildTagsString(newTags));
    featureBuilder.set("location", feature.getDefaultGeometry());
    featureBuilder.set("changeset", changeset);
    featureBuilder.set("timestamp", timestamp);
    featureBuilder.set("version", version);
    featureBuilder.set("user", user);
    featureBuilder.set("visible", true);
    if (rawFeature.isPresent()) {
        // the feature has changed, so we cannot reuse some attributes.
        // We reconstruct the feature and insert it
        featureBuilder.set("timestamp", System.currentTimeMillis());
        featureBuilder.set("changeset", null);
        featureBuilder.set("version", null);
        featureBuilder.set("visible", true);
        mapFlusher.put("node", featureBuilder.buildFeature(id));
    } else {
        // The feature didn't exist, so we have to add it
        mapFlusher.put("node", featureBuilder.buildFeature(id));
    }
}

Example 48 with Optional

use of com.google.common.base.Optional in project GeoGig by boundlessgeo.

the class ResolveTreeish method call.

/**
     * @param resolved an {@link Optional} with an ObjectId to resolve
     * @return an {@link Optional} of the {@link ObjectId} that was resolved, or
     *         {@link Optional#absent()} if it did not resolve.
     */
private Optional<ObjectId> call(Optional<ObjectId> resolved) {
    if (!resolved.isPresent()) {
        return Optional.absent();
    }
    ObjectId objectId = resolved.get();
    if (objectId.isNull()) {
        // might be an empty commit ref
        return Optional.of(RevTree.EMPTY_TREE_ID);
    }
    final TYPE objectType = command(ResolveObjectType.class).setObjectId(objectId).call();
    switch(objectType) {
        case TREE:
            // ok
            break;
        case COMMIT:
            {
                Optional<RevCommit> commit = command(RevObjectParse.class).setObjectId(objectId).call(RevCommit.class);
                if (commit.isPresent()) {
                    objectId = commit.get().getTreeId();
                } else {
                    objectId = null;
                }
                break;
            }
        case TAG:
            {
                Optional<RevTag> tag = command(RevObjectParse.class).setObjectId(objectId).call(RevTag.class);
                if (tag.isPresent()) {
                    ObjectId commitId = tag.get().getCommitId();
                    return call(Optional.of(commitId));
                }
            }
        default:
            throw new IllegalArgumentException(String.format("Provided ref spec ('%s') doesn't resolve to a tree-ish object: %s", treeishRefSpec, String.valueOf(objectType)));
    }
    return Optional.fromNullable(objectId);
}

Example 49 with Optional

use of com.google.common.base.Optional in project GeoGig by boundlessgeo.

the class Show method printFormatted.

public void printFormatted(GeogigCLI cli) throws IOException {
    ConsoleReader console = cli.getConsole();
    GeoGIG geogig = cli.getGeogig();
    for (String ref : refs) {
        Optional<RevObject> obj = geogig.command(RevObjectParse.class).setRefSpec(ref).call();
        if (!obj.isPresent()) {
            ref = getFullRef(ref);
            obj = geogig.command(RevObjectParse.class).setRefSpec(ref).call();
        }
        checkParameter(obj.isPresent(), "refspec did not resolve to any object.");
        RevObject revObject = obj.get();
        if (revObject instanceof RevFeature) {
            Optional<RevFeatureType> opt = geogig.command(ResolveFeatureType.class).setRefSpec(ref).call();
            if (opt.isPresent()) {
                RevFeatureType ft = opt.get();
                ImmutableList<PropertyDescriptor> attribs = ft.sortedDescriptors();
                RevFeature feature = (RevFeature) revObject;
                Ansi ansi = super.newAnsi(console.getTerminal());
                ansi.newline().fg(Color.YELLOW).a("ID:  ").reset().a(feature.getId().toString()).newline();
                ansi.fg(Color.YELLOW).a("FEATURE TYPE ID:  ").reset().a(ft.getId().toString()).newline().newline();
                ansi.a("ATTRIBUTES  ").newline();
                ansi.a("----------  ").newline();
                ImmutableList<Optional<Object>> values = feature.getValues();
                int i = 0;
                for (Optional<Object> value : values) {
                    ansi.fg(Color.YELLOW).a(attribs.get(i).getName() + ": ").reset();
                    ansi.a(value.or("[NULL]").toString()).newline();
                    i++;
                }
                console.println(ansi.toString());
            } else {
                CharSequence s = geogig.command(CatObject.class).setObject(Suppliers.ofInstance(revObject)).call();
                console.println(s);
            }
        } else if (revObject instanceof RevTree) {
            RevTree tree = (RevTree) revObject;
            Optional<RevFeatureType> opt = geogig.command(ResolveFeatureType.class).setRefSpec(ref).call();
            checkParameter(opt.isPresent(), "Refspec must resolve to a commit, tree, feature or feature type");
            RevFeatureType ft = opt.get();
            Ansi ansi = super.newAnsi(console.getTerminal());
            ansi.fg(Color.YELLOW).a("TREE ID:  ").reset().a(tree.getId().toString()).newline();
            ansi.fg(Color.YELLOW).a("SIZE:  ").reset().a(Long.toString(tree.size())).newline();
            ansi.fg(Color.YELLOW).a("NUMBER Of SUBTREES:  ").reset().a(Integer.toString(tree.numTrees()).toString()).newline();
            printFeatureType(ansi, ft, true);
            console.println(ansi.toString());
        } else if (revObject instanceof RevCommit) {
            RevCommit commit = (RevCommit) revObject;
            Ansi ansi = super.newAnsi(console.getTerminal());
            ansi.a(Strings.padEnd("Commit:", 15, ' ')).fg(Color.YELLOW).a(commit.getId().toString()).reset().newline();
            ansi.a(Strings.padEnd("Author:", 15, ' ')).fg(Color.GREEN).a(formatPerson(commit.getAuthor())).reset().newline();
            ansi.a(Strings.padEnd("Committer:", 15, ' ')).fg(Color.GREEN).a(formatPerson(commit.getAuthor())).reset().newline();
            ansi.a(Strings.padEnd("Author date:", 15, ' ')).a("(").fg(Color.RED).a(estimateSince(geogig.getPlatform(), commit.getAuthor().getTimestamp())).reset().a(") ").a(new Date(commit.getAuthor().getTimestamp())).newline();
            ansi.a(Strings.padEnd("Committer date:", 15, ' ')).a("(").fg(Color.RED).a(estimateSince(geogig.getPlatform(), commit.getCommitter().getTimestamp())).reset().a(") ").a(new Date(commit.getCommitter().getTimestamp())).newline();
            ansi.a(Strings.padEnd("Subject:", 15, ' ')).a(commit.getMessage()).newline();
            console.println(ansi.toString());
        } else if (revObject instanceof RevFeatureType) {
            Ansi ansi = super.newAnsi(console.getTerminal());
            printFeatureType(ansi, (RevFeatureType) revObject, false);
            console.println(ansi.toString());
        } else {
            throw new InvalidParameterException("Refspec must resolve to a commit, tree, feature or feature type");
        }
        console.println();
    }
}

Example 50 with Optional

use of com.google.common.base.Optional in project GeoGig by boundlessgeo.

the class Show method printRaw.

private void printRaw(GeogigCLI cli) throws IOException {
    ConsoleReader console = cli.getConsole();
    GeoGIG geogig = cli.getGeogig();
    for (String ref : refs) {
        Optional<RevObject> obj = geogig.command(RevObjectParse.class).setRefSpec(ref).call();
        if (!obj.isPresent()) {
            ref = getFullRef(ref);
            obj = geogig.command(RevObjectParse.class).setRefSpec(ref).call();
        }
        checkParameter(obj.isPresent(), "refspec did not resolve to any object.");
        RevObject revObject = obj.get();
        if (revObject instanceof RevFeature) {
            Optional<RevFeatureType> opt = geogig.command(ResolveFeatureType.class).setRefSpec(ref).call();
            if (opt.isPresent()) {
                RevFeatureType ft = opt.get();
                ImmutableList<PropertyDescriptor> attribs = ft.sortedDescriptors();
                RevFeature feature = (RevFeature) revObject;
                Ansi ansi = super.newAnsi(console.getTerminal());
                ansi.a(ref).newline();
                ansi.a(feature.getId().toString()).newline();
                ImmutableList<Optional<Object>> values = feature.getValues();
                int i = 0;
                for (Optional<Object> value : values) {
                    PropertyDescriptor attrib = attribs.get(i);
                    ansi.a(attrib.getName()).newline();
                    PropertyType attrType = attrib.getType();
                    String typeName = FieldType.forBinding(attrType.getBinding()).name();
                    if (attrType instanceof GeometryType) {
                        GeometryType gt = (GeometryType) attrType;
                        CoordinateReferenceSystem crs = gt.getCoordinateReferenceSystem();
                        String crsText = CrsTextSerializer.serialize(crs);
                        ansi.a(typeName).a(" ").a(crsText).newline();
                    } else {
                        ansi.a(typeName).newline();
                    }
                    ansi.a(value.or("[NULL]").toString()).newline();
                    i++;
                }
                console.println(ansi.toString());
            } else {
                CharSequence s = geogig.command(CatObject.class).setObject(Suppliers.ofInstance(revObject)).call();
                console.println(s);
            }
        } else {
            CharSequence s = geogig.command(CatObject.class).setObject(Suppliers.ofInstance(revObject)).call();
            console.println(s);
        }
    }
}