Examples with ResponseWriter org.locationtech.geogig.web.api.ResponseWriter used on opensource projects

Example 16 with ResponseWriter

use of org.locationtech.geogig.web.api.ResponseWriter in project GeoGig by boundlessgeo.

the class LsTree method run.

/**
     * Runs the command and builds the appropriate response
     * 
     * @param context - the context to use for this command
     */
@Override
public void run(CommandContext context) {
    String ref = null;
    if (refList != null && !refList.isEmpty()) {
        ref = refList.get(0);
    }
    LsTreeOp.Strategy lsStrategy = LsTreeOp.Strategy.CHILDREN;
    if (recursive) {
        if (includeTrees) {
            lsStrategy = LsTreeOp.Strategy.DEPTHFIRST;
        } else if (onlyTrees) {
            lsStrategy = LsTreeOp.Strategy.DEPTHFIRST_ONLY_TREES;
        } else {
            lsStrategy = LsTreeOp.Strategy.DEPTHFIRST_ONLY_FEATURES;
        }
    } else {
        if (onlyTrees) {
            lsStrategy = LsTreeOp.Strategy.TREES_ONLY;
        }
    }
    final Context geogig = this.getCommandLocator(context);
    final Iterator<NodeRef> iter = geogig.command(LsTreeOp.class).setReference(ref).setStrategy(lsStrategy).call();
    context.setResponseContent(new CommandResponse() {

        @Override
        public void write(ResponseWriter out) throws Exception {
            out.start(true);
            out.writeLsTreeResponse(iter, verbose);
            out.finish();
        }
    });
}

Example 17 with ResponseWriter

use of org.locationtech.geogig.web.api.ResponseWriter in project GeoGig by boundlessgeo.

the class MergeWebOp method run.

/**
     * Runs the command and builds the appropriate response.
     * 
     * @param context - the context to use for this command
     * 
     * @throws CommandSpecException
     */
@Override
public void run(CommandContext context) {
    if (this.getTransactionId() == null) {
        throw new CommandSpecException("No transaction was specified, merge requires a transaction to preserve the stability of the repository.");
    } else if (this.commit == null) {
        throw new CommandSpecException("No commits were specified for merging.");
    }
    final GeogigTransaction transaction = (GeogigTransaction) this.getCommandLocator(context);
    final Optional<Ref> currHead = transaction.command(RefParse.class).setName(Ref.HEAD).call();
    if (!currHead.isPresent()) {
        throw new CommandSpecException("Repository has no HEAD, can't merge.");
    }
    MergeOp merge = transaction.command(MergeOp.class);
    merge.setAuthor(authorName.orNull(), authorEmail.orNull());
    final Optional<ObjectId> oid = transaction.command(RevParse.class).setRefSpec(commit).call();
    if (oid.isPresent()) {
        merge.addCommit(Suppliers.ofInstance(oid.get()));
    } else {
        throw new CommandSpecException("Couldn't resolve '" + commit + "' to a commit.");
    }
    try {
        final MergeReport report = merge.setNoCommit(noCommit).call();
        context.setResponseContent(new CommandResponse() {

            @Override
            public void write(ResponseWriter out) throws Exception {
                out.start();
                out.writeMergeResponse(Optional.fromNullable(report.getMergeCommit()), report.getReport().get(), transaction, report.getOurs(), report.getPairs().get(0).getTheirs(), report.getPairs().get(0).getAncestor());
                out.finish();
            }
        });
    } catch (Exception e) {
        final RevCommit ours = context.getGeoGIG().getRepository().getCommit(currHead.get().getObjectId());
        final RevCommit theirs = context.getGeoGIG().getRepository().getCommit(oid.get());
        final Optional<ObjectId> ancestor = transaction.command(FindCommonAncestor.class).setLeft(ours).setRight(theirs).call();
        context.setResponseContent(new CommandResponse() {

            final MergeScenarioReport report = transaction.command(ReportMergeScenarioOp.class).setMergeIntoCommit(ours).setToMergeCommit(theirs).call();

            @Override
            public void write(ResponseWriter out) throws Exception {
                out.start();
                Optional<RevCommit> mergeCommit = Optional.absent();
                out.writeMergeResponse(mergeCommit, report, transaction, ours.getId(), theirs.getId(), ancestor.get());
                out.finish();
            }
        });
    }
}

Example 18 with ResponseWriter

use of org.locationtech.geogig.web.api.ResponseWriter in project GeoGig by boundlessgeo.

the class PullWebOp method run.

/**
     * Runs the command and builds the appropriate response.
     * 
     * @param context - the context to use for this command
     */
@Override
public void run(CommandContext context) {
    final Context geogig = this.getCommandLocator(context);
    PullOp command = geogig.command(PullOp.class).setAuthor(authorName.orNull(), authorEmail.orNull()).setRemote(remoteName).setAll(fetchAll).addRefSpec(refSpec);
    try {
        final PullResult result = command.call();
        final Iterator<DiffEntry> iter;
        if (result.getOldRef() != null && result.getNewRef() != null && result.getOldRef().equals(result.getNewRef())) {
            iter = null;
        } else {
            if (result.getOldRef() == null) {
                iter = geogig.command(DiffOp.class).setNewVersion(result.getNewRef().getObjectId()).setOldVersion(ObjectId.NULL).call();
            } else {
                iter = geogig.command(DiffOp.class).setNewVersion(result.getNewRef().getObjectId()).setOldVersion(result.getOldRef().getObjectId()).call();
            }
        }
        context.setResponseContent(new CommandResponse() {

            @Override
            public void write(ResponseWriter out) throws Exception {
                out.start();
                out.writePullResponse(result, iter, geogig);
                out.finish();
            }
        });
    } catch (SynchronizationException e) {
        switch(e.statusCode) {
            case HISTORY_TOO_SHALLOW:
            default:
                context.setResponseContent(CommandResponse.error("Unable to pull, the remote history is shallow."));
        }
    } catch (MergeConflictsException e) {
        String[] refs = refSpec.split(":");
        String remoteRef = Ref.REMOTES_PREFIX + remoteName + "/" + refs[0];
        Optional<Ref> sourceRef = geogig.command(RefParse.class).setName(remoteRef).call();
        String destinationref = "";
        if (refs.length == 2) {
            destinationref = refs[1];
        } else {
            final Optional<Ref> currHead = geogig.command(RefParse.class).setName(Ref.HEAD).call();
            if (!currHead.isPresent()) {
                context.setResponseContent(CommandResponse.error("Repository has no HEAD, can't pull."));
            } else if (!(currHead.get() instanceof SymRef)) {
                context.setResponseContent(CommandResponse.error("Can't pull from detached HEAD"));
            }
            final SymRef headRef = (SymRef) currHead.get();
            destinationref = headRef.getTarget();
        }
        Optional<Ref> destRef = geogig.command(RefParse.class).setName(destinationref).call();
        final RevCommit theirs = context.getGeoGIG().getRepository().getCommit(sourceRef.get().getObjectId());
        final RevCommit ours = context.getGeoGIG().getRepository().getCommit(destRef.get().getObjectId());
        final Optional<ObjectId> ancestor = geogig.command(FindCommonAncestor.class).setLeft(ours).setRight(theirs).call();
        context.setResponseContent(new CommandResponse() {

            final MergeScenarioReport report = geogig.command(ReportMergeScenarioOp.class).setMergeIntoCommit(ours).setToMergeCommit(theirs).call();

            @Override
            public void write(ResponseWriter out) throws Exception {
                out.start();
                Optional<RevCommit> mergeCommit = Optional.absent();
                out.writeMergeResponse(mergeCommit, report, geogig, ours.getId(), theirs.getId(), ancestor.get());
                out.finish();
            }
        });
    }
}

Example 19 with ResponseWriter

use of org.locationtech.geogig.web.api.ResponseWriter in project GeoGig by boundlessgeo.

the class PushWebOp method run.

/**
     * Runs the command and builds the appropriate response.
     * 
     * @param context - the context to use for this command
     */
@Override
public void run(CommandContext context) {
    final Context geogig = this.getCommandLocator(context);
    PushOp command = geogig.command(PushOp.class);
    if (refSpec != null) {
        command.addRefSpec(refSpec);
    }
    try {
        final TransferSummary dataPushed = command.setAll(pushAll).setRemote(remoteName).call();
        context.setResponseContent(new CommandResponse() {

            @Override
            public void write(ResponseWriter out) throws Exception {
                out.start();
                out.writeElement("Push", "Success");
                out.writeElement("dataPushed", String.valueOf(!dataPushed.isEmpty()));
                out.finish();
            }
        });
    } catch (SynchronizationException e) {
        switch(e.statusCode) {
            case REMOTE_HAS_CHANGES:
                context.setResponseContent(CommandResponse.error("Push failed: The remote repository has changes that would be lost in the event of a push."));
                break;
            case HISTORY_TOO_SHALLOW:
                context.setResponseContent(CommandResponse.error("Push failed: There is not enough local history to complete the push."));
            default:
                break;
        }
    }
}

Example 20 with ResponseWriter

use of org.locationtech.geogig.web.api.ResponseWriter in project GeoGig by boundlessgeo.

the class FeatureDiffWeb method run.

/**
     * Runs the command and builds the appropriate response
     * 
     * @param context - the context to use for this command
     * 
     * @throws CommandSpecException
     */
@Override
public void run(CommandContext context) {
    if (path == null || path.trim().isEmpty()) {
        throw new CommandSpecException("No path for feature name specifed");
    }
    final Context geogig = this.getCommandLocator(context);
    ObjectId newId = geogig.command(ResolveTreeish.class).setTreeish(newTreeish).call().get();
    ObjectId oldId = geogig.command(ResolveTreeish.class).setTreeish(oldTreeish).call().get();
    RevFeature newFeature = null;
    RevFeatureType newFeatureType = null;
    RevFeature oldFeature = null;
    RevFeatureType oldFeatureType = null;
    final Map<PropertyDescriptor, AttributeDiff> diffs;
    Optional<NodeRef> ref = parseID(newId, geogig);
    Optional<RevObject> object;
    // need these to determine if the feature was added or removed so I can build the diffs
    // myself until the FeatureDiff supports null values
    boolean removed = false;
    boolean added = false;
    if (ref.isPresent()) {
        object = geogig.command(RevObjectParse.class).setObjectId(ref.get().getMetadataId()).call();
        if (object.isPresent() && object.get() instanceof RevFeatureType) {
            newFeatureType = (RevFeatureType) object.get();
        } else {
            throw new CommandSpecException("Couldn't resolve newCommit's featureType");
        }
        object = geogig.command(RevObjectParse.class).setObjectId(ref.get().objectId()).call();
        if (object.isPresent() && object.get() instanceof RevFeature) {
            newFeature = (RevFeature) object.get();
        } else {
            throw new CommandSpecException("Couldn't resolve newCommit's feature");
        }
    } else {
        removed = true;
    }
    if (!oldId.equals(ObjectId.NULL)) {
        ref = parseID(oldId, geogig);
        if (ref.isPresent()) {
            object = geogig.command(RevObjectParse.class).setObjectId(ref.get().getMetadataId()).call();
            if (object.isPresent() && object.get() instanceof RevFeatureType) {
                oldFeatureType = (RevFeatureType) object.get();
            } else {
                throw new CommandSpecException("Couldn't resolve oldCommit's featureType");
            }
            object = geogig.command(RevObjectParse.class).setObjectId(ref.get().objectId()).call();
            if (object.isPresent() && object.get() instanceof RevFeature) {
                oldFeature = (RevFeature) object.get();
            } else {
                throw new CommandSpecException("Couldn't resolve oldCommit's feature");
            }
        } else {
            added = true;
        }
    } else {
        added = true;
    }
    if (removed) {
        Map<PropertyDescriptor, AttributeDiff> tempDiffs = new HashMap<PropertyDescriptor, AttributeDiff>();
        ImmutableList<PropertyDescriptor> attributes = oldFeatureType.sortedDescriptors();
        ImmutableList<Optional<Object>> values = oldFeature.getValues();
        for (int index = 0; index < attributes.size(); index++) {
            Optional<Object> value = values.get(index);
            if (Geometry.class.isAssignableFrom(attributes.get(index).getType().getBinding())) {
                Optional<Geometry> temp = Optional.absent();
                if (value.isPresent() || all) {
                    tempDiffs.put(attributes.get(index), new GeometryAttributeDiff(Optional.fromNullable((Geometry) value.orNull()), temp));
                }
            } else {
                if (value.isPresent() || all) {
                    tempDiffs.put(attributes.get(index), new GenericAttributeDiffImpl(value, Optional.absent()));
                }
            }
        }
        diffs = tempDiffs;
    } else if (added) {
        Map<PropertyDescriptor, AttributeDiff> tempDiffs = new HashMap<PropertyDescriptor, AttributeDiff>();
        ImmutableList<PropertyDescriptor> attributes = newFeatureType.sortedDescriptors();
        ImmutableList<Optional<Object>> values = newFeature.getValues();
        for (int index = 0; index < attributes.size(); index++) {
            Optional<Object> value = values.get(index);
            if (Geometry.class.isAssignableFrom(attributes.get(index).getType().getBinding())) {
                Optional<Geometry> temp = Optional.absent();
                if (value.isPresent() || all) {
                    tempDiffs.put(attributes.get(index), new GeometryAttributeDiff(temp, Optional.fromNullable((Geometry) value.orNull())));
                }
            } else {
                if (value.isPresent() || all) {
                    tempDiffs.put(attributes.get(index), new GenericAttributeDiffImpl(Optional.absent(), value));
                }
            }
        }
        diffs = tempDiffs;
    } else {
        FeatureDiff diff = new FeatureDiff(path, newFeature, oldFeature, newFeatureType, oldFeatureType, all);
        diffs = diff.getDiffs();
    }
    context.setResponseContent(new CommandResponse() {

        @Override
        public void write(ResponseWriter out) throws Exception {
            out.start();
            out.writeFeatureDiffResponse(diffs);
            out.finish();
        }
    });
}