String parentId = commit.getParentIds().size() >= 1 ? commit.getParentIds().get(0)
.toString() : ObjectId.NULL.toString();
Iterator<DiffEntry> diff = geogig.command(DiffOp.class).setOldVersion(parentId)
.setNewVersion(commit.getId().toString()).setFilter(path).call();
while (diff.hasNext()) {
DiffEntry entry = diff.next();
response += entry.changeType().toString() + ",";
String fid = "";
if (entry.newPath() != null) {
if (entry.oldPath() != null) {
fid = entry.oldPath() + " -> " + entry.newPath();
} else {
fid = entry.newPath();
}
} else if (entry.oldPath() != null) {
fid = entry.oldPath();
}
response += fid + ",";
response += commit.getId().toString() + ",";
response += parentId;
if (commit.getParentIds().size() > 1) {
for (int index = 1; index < commit.getParentIds().size(); index++) {
response += " " + commit.getParentIds().get(index).toString();
}
}
response += ",";
if (commit.getAuthor().getName().isPresent()) {
response += escapeCsv(commit.getAuthor().getName().get());
}
response += ",";
if (commit.getAuthor().getEmail().isPresent()) {
response += escapeCsv(commit.getAuthor().getEmail().get());
}
response += ","
+ new SimpleDateFormat("MM/dd/yyyy HH:mm:ss z").format(new Date(commit
.getAuthor().getTimestamp())) + ",";
if (commit.getCommitter().getName().isPresent()) {
response += escapeCsv(commit.getCommitter().getName().get());
}
response += ",";
if (commit.getCommitter().getEmail().isPresent()) {
response += escapeCsv(commit.getCommitter().getEmail().get());
}
response += ","
+ new SimpleDateFormat("MM/dd/yyyy HH:mm:ss z").format(new Date(commit
.getCommitter().getTimestamp())) + ",";
String message = escapeCsv(commit.getMessage());
response += message;
if (entry.newObjectId() == ObjectId.NULL) {
// Feature was removed so we need to fill out blank attribute values
for (int index = 0; index < attributeLength; index++) {
response += ",";
}
} else {
// Feature was added or modified so we need to write out the
// attribute
// values from the feature
Optional<RevObject> feature = geogig.command(RevObjectParse.class)
.setObjectId(entry.newObjectId()).call();
RevFeature revFeature = (RevFeature) feature.get();
List<Optional<Object>> values = revFeature.getValues();
for (int index = 0; index < values.size(); index++) {
Optional<Object> value = values.get(index);
PropertyDescriptor attrib = (PropertyDescriptor) attribs.toArray()[index];