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/*******************************************************************************
* Copyright (c) 2012-2013 University of Stuttgart.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and the Apache License 2.0 which both accompany this distribution,
* and are available at http://www.eclipse.org/legal/epl-v10.html
* and http://www.apache.org/licenses/LICENSE-2.0
*
* Contributors:
* Oliver Kopp - initial API and implementation
*******************************************************************************/
package org.eclipse.winery.repository.resources;
import java.io.InputStream;
import java.net.URI;
import java.util.Map;
import javax.ws.rs.Consumes;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.HeaderParam;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.xml.namespace.QName;
import org.eclipse.winery.common.RepositoryFileReference;
import org.eclipse.winery.common.ids.elements.TOSCAElementId;
import org.eclipse.winery.repository.Prefs;
import org.eclipse.winery.repository.Utils;
import org.eclipse.winery.repository.backend.BackendUtils;
import org.eclipse.winery.repository.backend.constants.Filename;
import org.eclipse.winery.repository.datatypes.ids.elements.VisualAppearanceId;
import org.eclipse.winery.repository.resources.entitytypes.TopologyGraphElementEntityTypeResource;
//import com.fasterxml.jackson.annotation.JsonIgnore; // currently not required
import com.sun.jersey.multipart.FormDataBodyPart;
import com.sun.jersey.multipart.FormDataParam;
/**
* Contains methods for both visual appearance for
* <ul>
* <li>node types</li>
* <li>relationship types</li>
* </ul>
*/
public abstract class GenericVisualAppearanceResource {
protected final Map<QName, String> otherAttributes;
protected final TopologyGraphElementEntityTypeResource res;
protected final TOSCAElementId id;
@DELETE
public Response onDelete() {
return BackendUtils.delete(this.id);
}
/**
* Used for GUI when accessing the resource as data E.g., for topology
* template
*/
//@JsonIgnore
public URI getAbsoluteURL() {
String URI = Prefs.INSTANCE.getResourcePath();
URI = URI + "/" + Utils.getURLforPathInsideRepo(BackendUtils.getPathInsideRepo(this.id));
return Utils.createURI(URI);
}
//@JsonIgnore
public TOSCAElementId getId() {
return this.id;
}
/**
* @param res
* @param otherAttributes the other attributes of the node/relationship type
* @param id the id of this subresource required for storing the images
*/
public GenericVisualAppearanceResource(TopologyGraphElementEntityTypeResource res, Map<QName, String> otherAttributes, VisualAppearanceId id) {
this.id = id;
this.res = res;
this.otherAttributes = otherAttributes;
}
/**
* Determines repository reference to file in repo
*/
protected RepositoryFileReference getRepoFileRef(String name) {
return new RepositoryFileReference(this.id, name);
}
protected Response getImage(String name, String modified) {
RepositoryFileReference target = this.getRepoFileRef(name);
return BackendUtils.returnRepoPath(target, modified);
}
/**
* Arbitrary images are supported. There currently is no check for valid
* image media types
*/
protected Response putImage(String name, InputStream uploadedInputStream, MediaType mediaType) {
RepositoryFileReference target = this.getRepoFileRef(name);
return BackendUtils.putContentToFile(target, uploadedInputStream, mediaType);
}
@GET
@Path("16x16")
public Response get16x16Image(@HeaderParam("If-Modified-Since") String modified) {
// Even if the extension is "png", it might contain a jpg, too
// We keep the file extension as the windows explorer can display previews even if the content is not a png
return this.getImage(Filename.FILENAME_SMALL_ICON, modified);
}
@PUT
@Path("16x16")
@Consumes(MediaType.MULTIPART_FORM_DATA)
public Response post16x16Image(@FormDataParam("file") InputStream uploadedInputStream, @FormDataParam("file") FormDataBodyPart body) {
return this.putImage(Filename.FILENAME_SMALL_ICON, uploadedInputStream, body.getMediaType());
}
}
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