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

Example 41 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 42 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);
        }
    }
}

Example 43 with Optional

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

the class OSMExport method getFeatures.

private Iterator<EntityContainer> getFeatures(String ref) {
    Optional<ObjectId> id = geogig.command(RevParse.class).setRefSpec(ref).call();
    if (!id.isPresent()) {
        return Iterators.emptyIterator();
    }
    LsTreeOp op = geogig.command(LsTreeOp.class).setStrategy(Strategy.DEPTHFIRST_ONLY_FEATURES).setReference(ref);
    if (bbox != null) {
        final Envelope env;
        try {
            env = new Envelope(Double.parseDouble(bbox.get(0)), Double.parseDouble(bbox.get(2)), Double.parseDouble(bbox.get(1)), Double.parseDouble(bbox.get(3)));
        } catch (NumberFormatException e) {
            throw new IllegalArgumentException("Wrong bbox definition");
        }
        Predicate<Bounded> filter = new Predicate<Bounded>() {

            @Override
            public boolean apply(final Bounded bounded) {
                boolean intersects = bounded.intersects(env);
                return intersects;
            }
        };
        op.setBoundsFilter(filter);
    }
    Iterator<NodeRef> iterator = op.call();
    final EntityConverter converter = new EntityConverter();
    Function<NodeRef, EntityContainer> function = new Function<NodeRef, EntityContainer>() {

        @Override
        @Nullable
        public EntityContainer apply(@Nullable NodeRef ref) {
            RevFeature revFeature = geogig.command(RevObjectParse.class).setObjectId(ref.objectId()).call(RevFeature.class).get();
            SimpleFeatureType featureType;
            if (ref.path().startsWith(OSMUtils.NODE_TYPE_NAME)) {
                featureType = OSMUtils.nodeType();
            } else {
                featureType = OSMUtils.wayType();
            }
            SimpleFeatureBuilder featureBuilder = new SimpleFeatureBuilder(featureType);
            RevFeatureType revFeatureType = RevFeatureTypeImpl.build(featureType);
            List<PropertyDescriptor> descriptors = revFeatureType.sortedDescriptors();
            ImmutableList<Optional<Object>> values = revFeature.getValues();
            for (int i = 0; i < descriptors.size(); i++) {
                PropertyDescriptor descriptor = descriptors.get(i);
                Optional<Object> value = values.get(i);
                featureBuilder.set(descriptor.getName(), value.orNull());
            }
            SimpleFeature feature = featureBuilder.buildFeature(ref.name());
            Entity entity = converter.toEntity(feature, null);
            EntityContainer container;
            if (entity instanceof Node) {
                container = new NodeContainer((Node) entity);
            } else {
                container = new WayContainer((Way) entity);
            }
            return container;
        }
    };
    return Iterators.transform(iterator, function);
}

Example 44 with Optional

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

the class OSMExportPG method runInternal.

/**
     * Executes the export command using the provided options.
     */
@Override
protected void runInternal(GeogigCLI cli) {
    Preconditions.checkNotNull(mappingFile != null, "A data mapping file must be specified");
    final Mapping mapping = Mapping.fromFile(mappingFile);
    List<MappingRule> rules = mapping.getRules();
    checkParameter(!rules.isEmpty(), "No rules are defined in the specified mapping");
    for (final MappingRule rule : mapping.getRules()) {
        Function<Feature, Optional<Feature>> function = new Function<Feature, Optional<Feature>>() {

            @Override
            @Nullable
            public Optional<Feature> apply(@Nullable Feature feature) {
                Optional<Feature> mapped = rule.apply(feature);
                if (mapped.isPresent()) {
                    return Optional.of(mapped.get());
                }
                return Optional.absent();
            }
        };
        SimpleFeatureType outputFeatureType = rule.getFeatureType();
        String path = getOriginTreesFromOutputFeatureType(outputFeatureType);
        DataStore dataStore = null;
        try {
            dataStore = getDataStore();
            String tableName = outputFeatureType.getName().getLocalPart();
            if (Arrays.asList(dataStore.getTypeNames()).contains(tableName)) {
                if (!overwrite) {
                    throw new CommandFailedException("A table named '" + tableName + "'already exists. Use -o to overwrite");
                }
            } else {
                try {
                    dataStore.createSchema(outputFeatureType);
                } catch (IOException e) {
                    throw new CommandFailedException("Cannot create new table in database", e);
                }
            }
            final SimpleFeatureSource featureSource = dataStore.getFeatureSource(tableName);
            if (!(featureSource instanceof SimpleFeatureStore)) {
                throw new CommandFailedException("Could not create feature store. Data source is read only.");
            }
            final SimpleFeatureStore featureStore = (SimpleFeatureStore) featureSource;
            if (overwrite) {
                featureStore.removeFeatures(Filter.INCLUDE);
            }
            ExportOp op = cli.getGeogig().command(ExportOp.class).setFeatureStore(featureStore).setPath(path).setFeatureTypeConversionFunction(function);
            try {
                op.setProgressListener(cli.getProgressListener()).call();
                cli.getConsole().println("OSM data exported successfully to " + tableName);
            } catch (IllegalArgumentException iae) {
                throw new org.locationtech.geogig.cli.InvalidParameterException(iae.getMessage(), iae);
            } catch (GeoToolsOpException e) {
                throw new CommandFailedException("Could not export. Error:" + e.statusCode.name(), e);
            }
        } catch (IOException e) {
            throw new IllegalStateException("Cannot connect to database: " + e.getMessage(), e);
        } finally {
            if (dataStore != null) {
                dataStore.dispose();
            }
        }
    }
}

Example 45 with Optional

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

the class ImportOpTest method testAlter.

@Test
public void testAlter() throws Exception {
    ImportOp importOp = geogig.command(ImportOp.class);
    importOp.setDataStore(TestHelper.createTestFactory().createDataStore(null));
    importOp.setTable("table1");
    importOp.call();
    importOp.setTable("table2");
    importOp.setDestinationPath("table1");
    importOp.setAlter(true);
    importOp.call();
    Iterator<NodeRef> features = geogig.command(LsTreeOp.class).setStrategy(Strategy.DEPTHFIRST_ONLY_FEATURES).call();
    ArrayList<NodeRef> list = Lists.newArrayList(features);
    assertEquals(3, list.size());
    Optional<RevFeature> feature = geogig.command(RevObjectParse.class).setRefSpec("WORK_HEAD:table1/feature1").call(RevFeature.class);
    assertTrue(feature.isPresent());
    ImmutableList<Optional<Object>> values = feature.get().getValues();
    assertEquals(2, values.size());
    assertTrue(values.get(0).isPresent());
    assertFalse(values.get(1).isPresent());
    TreeSet<ObjectId> set = Sets.newTreeSet();
    for (NodeRef node : list) {
        set.add(node.getMetadataId());
    }
    assertEquals(1, set.size());
    Optional<RevFeatureType> featureType = geogig.command(RevObjectParse.class).setObjectId(set.iterator().next()).call(RevFeatureType.class);
    assertTrue(featureType.isPresent());
    assertEquals("table1", featureType.get().getName().getLocalPart());
    assertEquals("name", featureType.get().sortedDescriptors().get(1).getName().getLocalPart());
}