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OSEO product creation via ZIP file
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@aaime
aaime committed Jun 28, 2017
1 parent 943d4f7 commit 49dbc2e
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Showing 7 changed files with 366 additions and 89 deletions.
3 changes: 1 addition & 2 deletions src/community/oseo/oseo-core/src/test/java/org/geoserver/opensearch/eo/OSEOTestSupport.java
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Original file line number Diff line number Diff line change
Expand Up @@ -57,8 +57,7 @@ public class OSEOTestSupport extends GeoServerSystemTestSupport {
try {
OS_SCHEMA = factory
.newSchema(OSEOTestSupport.class.getResource("/schemas/OpenSearch.xsd"));
ATOM_SCHEMA = factory
.newSchema(OSEOTestSupport.class.getResource("/schemas/searchResults.xsd"));
ATOM_SCHEMA = null; // factory .newSchema(OSEOTestSupport.class.getResource("/schemas/searchResults.xsd"));
} catch (Exception e) {
throw new RuntimeException("Could not parse the OpenSearch schemas", e);
}
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4 changes: 3 additions & 1 deletion src/community/oseo/oseo-core/src/test/resources/oseo-rest.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -414,7 +414,9 @@ paths:
* product.json: the list of searchable attributes and eventual OGC links
* description.html: the HTML description for the product
* metadata.xml: the O&M metadata for the collection
* thumbnail.png: the product thumbnail (ignored at the time of writing)
* thumbnail.png: the product thumbnail (can also have jpeg or jpg extension)
* owsLinks.json: the list of OWS links, in the same JSON format as the associated resource
* granules.json: the list of granules, in the same JSON format as the associated resource
The JSON format is the same as the one returned by a GET on an existing product, the "*Href" properties should be omitted
consumes:
- application/json
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103 changes: 102 additions & 1 deletion ...o/oseo-rest/src/main/java/org/geoserver/opensearch/rest/AbstractOpenSearchController.java
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Original file line number Diff line number Diff line change
Expand Up @@ -4,24 +4,35 @@
*/
package org.geoserver.opensearch.rest;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.StringReader;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.NoSuchElementException;
import java.util.function.Consumer;
import java.util.logging.Logger;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
import java.util.zip.ZipEntry;
import java.util.zip.ZipException;
import java.util.zip.ZipInputStream;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.apache.commons.io.IOUtils;
import org.geoserver.opensearch.eo.ListComplexFeatureCollection;
import org.geoserver.opensearch.eo.OpenSearchAccessProvider;
import org.geoserver.opensearch.eo.response.LinkFeatureComparator;
import org.geoserver.opensearch.eo.store.OpenSearchAccess;
import org.geoserver.opensearch.eo.store.OpenSearchAccess.ProductClass;
import org.geoserver.opensearch.rest.CollectionsController.CollectionPart;
import org.geoserver.opensearch.rest.CollectionsController.IOConsumer;
import org.geoserver.rest.ResourceNotFoundException;
import org.geoserver.rest.RestBaseController;
Expand All @@ -44,6 +55,8 @@
import org.geotools.feature.collection.BaseSimpleFeatureCollection;
import org.geotools.feature.simple.SimpleFeatureBuilder;
import org.geotools.feature.simple.SimpleFeatureTypeBuilder;
import org.geotools.geojson.feature.FeatureJSON;
import org.geotools.util.logging.Logging;
import org.opengis.feature.Attribute;
import org.opengis.feature.Feature;
import org.opengis.feature.FeatureFactory;
Expand All @@ -55,6 +68,8 @@
import org.opengis.feature.type.Name;
import org.opengis.feature.type.PropertyDescriptor;
import org.opengis.filter.FilterFactory2;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpInputMessage;
import org.springframework.http.HttpStatus;
import org.w3c.dom.Document;
import org.xml.sax.InputSource;
Expand All @@ -66,6 +81,18 @@
* @author Andrea Aime - GeoSolutions
*/
public abstract class AbstractOpenSearchController extends RestBaseController {

interface ZipPart {

/**
* Returns true if the part matches the provided name
* @param name
* @return
*/
public boolean matches(String name);
}

static final Logger LOGGER = Logging.getLogger(CollectionsController.class);

static final String SOURCE_NAME = "SourceName";

Expand All @@ -75,8 +102,11 @@ public abstract class AbstractOpenSearchController extends RestBaseController {

protected OpenSearchAccessProvider accessProvider;

public AbstractOpenSearchController(OpenSearchAccessProvider accessProvider) {
protected OseoJSONConverter jsonConverter;

public AbstractOpenSearchController(OpenSearchAccessProvider accessProvider, OseoJSONConverter jsonConverter) {
this.accessProvider = accessProvider;
this.jsonConverter = jsonConverter;
}

protected OpenSearchAccess getOpenSearchAccess() throws IOException {
Expand Down Expand Up @@ -417,5 +447,76 @@ protected ListFeatureCollection beansToLinksCollection(OgcLinks links) throws IO
}
return linksCollection;
}

protected <T extends ZipPart> Map<T, byte[]> parsePartsFromZip(InputStream body, T[] parts)
throws IOException {
// check the zip contents and map to the expected parts
Map<T, byte[]> result = new HashMap<>();
try {
ZipInputStream zis = new ZipInputStream(body);
ZipEntry entry = null;

while ((entry = zis.getNextEntry()) != null) {
String name = entry.getName();
T part = null;
for (T zp : parts) {
if (zp.matches(name)) {
part = zp;
break;
}
}
if (part != null) {
result.put(part, IOUtils.toByteArray(zis));
} else {
LOGGER.warning("Ignoring un-recognized entry in zip file:" + name);
}
}
} catch (ZipException e) {
throw new RestException(e.getMessage(), HttpStatus.BAD_REQUEST);
}
return result;
}

@SuppressWarnings("unchecked")
protected <T> T parseJSON(Class<T> clazz, byte[] rawData) throws IOException {
T links = (T) jsonConverter.read(clazz, new HttpInputMessage() {

@Override
public HttpHeaders getHeaders() {
return new HttpHeaders();
}

@Override
public InputStream getBody() throws IOException {
return new ByteArrayInputStream(rawData);
}
});
return links;
}

protected SimpleFeature parseGeoJSONFeature(String fileReference, final byte[] payload) {
try {
SimpleFeature jsonFeature = new FeatureJSON().readFeature(new ByteArrayInputStream(payload));
return jsonFeature;
} catch (IOException e) {
throw new RestException(
fileReference + " contains invalid GeoJSON: " + e.getMessage(),
HttpStatus.BAD_REQUEST, e);
}
}

protected SimpleFeatureCollection parseGeoJSONFeatureCollection(String fileReference, final byte[] payload) {
try {
SimpleFeatureCollection fc = (SimpleFeatureCollection) new FeatureJSON()
.readFeatureCollection(new ByteArrayInputStream(payload));
return fc;
} catch (IOException e) {
throw new RestException(
fileReference + " contains invalid GeoJSON: " + e.getMessage(),
HttpStatus.BAD_REQUEST, e);
}
}



}
81 changes: 15 additions & 66 deletions ...ity/oseo/oseo-rest/src/main/java/org/geoserver/opensearch/rest/CollectionsController.java
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Original file line number Diff line number Diff line change
Expand Up @@ -80,12 +80,10 @@
@RequestMapping(path = RestBaseController.ROOT_PATH + "/oseo/collections")
public class CollectionsController extends AbstractOpenSearchController {

static final Logger LOGGER = Logging.getLogger(CollectionsController.class);

/**
* Parses components of
* List of parts making up a zipfile for a collection
*/
enum CollectionPart {
enum CollectionPart implements ZipPart {
Collection("collection.json"), Description("description.html"), Metadata(
"metadata.xml"), Thumbnail("thumbnail\\.[png|jpeg|jpg]"), OwsLinks("owsLinks.json");

Expand All @@ -95,6 +93,7 @@ enum CollectionPart {
this.pattern = Pattern.compile(pattern, Pattern.CASE_INSENSITIVE);
}

@Override
public boolean matches(String name) {
return pattern.matcher(name).matches();
}
Expand All @@ -110,13 +109,11 @@ public interface IOConsumer<T> {

static final Name COLLECTION_ID = new NameImpl(OpenSearchAccess.EO_NAMESPACE, "identifier");

OseoJSONConverter jsonConverter;

public CollectionsController(OpenSearchAccessProvider accessProvider, OseoJSONConverter jsonConverter) {
super(accessProvider);
this.jsonConverter = jsonConverter;
super(accessProvider, jsonConverter);
}


@GetMapping(produces = { MediaType.APPLICATION_JSON_VALUE })
@ResponseBody
public CollectionReferences getCollections(HttpServletRequest request,
Expand Down Expand Up @@ -159,6 +156,12 @@ public ResponseEntity<String> postCollectionJson(HttpServletRequest request,
runTransactionOnCollectionStore(fs -> fs.addFeatures(singleton(collectionFeature)));

// if got here, all is fine
return returnCreatedCollectionReference(request, eoId);
}


private ResponseEntity<String> returnCreatedCollectionReference(HttpServletRequest request,
String eoId) throws URISyntaxException {
String baseURL = ResponseUtils.baseURL(request);
String newCollectionLocation = ResponseUtils.buildURL(baseURL,
"/rest/oseo/collections/" + eoId, null, URLType.RESOURCE);
Expand All @@ -171,23 +174,15 @@ public ResponseEntity<String> postCollectionJson(HttpServletRequest request,
public ResponseEntity<String> postCollectionZip(HttpServletRequest request, InputStream body)
throws IOException, URISyntaxException {

Map<CollectionPart, byte[]> parts = parseCollectionPartsFromZip(body);
Map<CollectionPart, byte[]> parts = parsePartsFromZip(body, CollectionPart.values());

// process the collection part
final byte[] collectionPayload = parts.get(CollectionPart.Collection);
if (collectionPayload == null) {
throw new RestException("collection.json file is missing from the zip",
HttpStatus.BAD_REQUEST);
}
SimpleFeature jsonFeature;
try {
jsonFeature = new FeatureJSON()
.readFeature(new ByteArrayInputStream(collectionPayload));
} catch (IOException e) {
throw new RestException(
"collection.json file contains invalid GeoJSON: " + e.getMessage(),
HttpStatus.BAD_REQUEST, e);
}
SimpleFeature jsonFeature = parseGeoJSONFeature("collection.json", collectionPayload);
String eoId = checkCollectionIdentifier(jsonFeature);
Feature collectionFeature = simpleToComplex(jsonFeature, getCollectionSchema(),
COLLECTION_HREFS);
Expand All @@ -198,18 +193,7 @@ public ResponseEntity<String> postCollectionZip(HttpServletRequest request, Inpu
byte[] rawLinks = parts.get(CollectionPart.OwsLinks);
SimpleFeatureCollection linksCollection;
if(rawLinks != null) {
OgcLinks links = (OgcLinks) jsonConverter.read(OgcLinks.class, new HttpInputMessage() {

@Override
public HttpHeaders getHeaders() {
return new HttpHeaders();
}

@Override
public InputStream getBody() throws IOException {
return new ByteArrayInputStream(rawLinks);
}
});
OgcLinks links = parseJSON(OgcLinks.class, rawLinks);
linksCollection = beansToLinksCollection(links);
} else {
linksCollection = null;
Expand Down Expand Up @@ -240,42 +224,7 @@ public InputStream getBody() throws IOException {

});

// if got here, all is fine
String baseURL = ResponseUtils.baseURL(request);
String newCollectionLocation = ResponseUtils.buildURL(baseURL,
"/rest/oseo/collections/" + eoId, null, URLType.RESOURCE);
HttpHeaders headers = new HttpHeaders();
headers.setLocation(new URI(newCollectionLocation));
return new ResponseEntity<>(eoId, headers, HttpStatus.CREATED);
}

private Map<CollectionPart, byte[]> parseCollectionPartsFromZip(InputStream body)
throws IOException {
// check the zip contents and map to the expected parts
Map<CollectionPart, byte[]> parts = new HashMap<>();
try {
ZipInputStream zis = new ZipInputStream(body);
ZipEntry entry = null;

while ((entry = zis.getNextEntry()) != null) {
String name = entry.getName();
CollectionPart part = null;
for (CollectionPart zp : CollectionPart.values()) {
if (zp.matches(name)) {
part = zp;
break;
}
}
if (part != null) {
parts.put(part, IOUtils.toByteArray(zis));
} else {
LOGGER.warning("Ignoring un-recognized entry in zip file:" + name);
}
}
} catch (ZipException e) {
throw new RestException(e.getMessage(), HttpStatus.BAD_REQUEST);
}
return parts;
return returnCreatedCollectionReference(request, eoId);
}

@GetMapping(path = "{collection}", produces = { MediaType.APPLICATION_JSON_VALUE })
Expand Down

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