1 files changed, 163 insertions, 0 deletions
diff --git a/winery/org.eclipse.winery.repository/src/main/java/org/eclipse/winery/repository/resources/entitytemplates/artifacttemplates/FilesResource.java b/winery/org.eclipse.winery.repository/src/main/java/org/eclipse/winery/repository/resources/entitytemplates/artifacttemplates/FilesResource.java
new file mode 100644
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--- /dev/null
+++ b/winery/org.eclipse.winery.repository/src/main/java/org/eclipse/winery/repository/resources/entitytemplates/artifacttemplates/FilesResource.java
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+/*******************************************************************************
+ * Copyright (c) 2012-2013,2015 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.entitytemplates.artifacttemplates;
+
+import java.io.BufferedInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.SortedSet;
+
+import javax.ws.rs.Consumes;
+import javax.ws.rs.DELETE;
+import javax.ws.rs.GET;
+import javax.ws.rs.HeaderParam;
+import javax.ws.rs.POST;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.core.Response.Status;
+import javax.ws.rs.core.UriInfo;
+
+import org.apache.commons.io.FilenameUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.eclipse.winery.common.RepositoryFileReference;
+import org.eclipse.winery.common.Util;
+import org.eclipse.winery.repository.Constants;
+import org.eclipse.winery.repository.Utils;
+import org.eclipse.winery.repository.backend.BackendUtils;
+import org.eclipse.winery.repository.backend.Repository;
+import org.eclipse.winery.repository.datatypes.FileMeta;
+import org.eclipse.winery.repository.datatypes.ids.elements.ArtifactTemplateDirectoryId;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.sun.jersey.api.view.Viewable;
+import com.sun.jersey.core.header.FormDataContentDisposition;
+import com.sun.jersey.multipart.FormDataBodyPart;
+import com.sun.jersey.multipart.FormDataParam;
+
+public class FilesResource {
+	
+	private static final Logger logger = LoggerFactory.getLogger(FilesResource.class);
+	private final ArtifactTemplateDirectoryId fileDir;
+	
+	
+	public FilesResource(ArtifactTemplateDirectoryId fileDir) {
+		this.fileDir = fileDir;
+	}
+	
+	private String getData4jqueryFileUpload(List<FileMeta> metas) {
+		String data4jqueryFileUpload = Utils.Object2JSON(metas);
+		data4jqueryFileUpload = "{\"files\":" + data4jqueryFileUpload + "}";
+		return data4jqueryFileUpload;
+	}
+	
+	/**
+	 * Handles the upload of a <em>single</em> file. Adds the given file to the
+	 * current artifact template.
+	 * 
+	 * If the file already exists, is it <em>overridden</em>
+	 * 
+	 * @return JSON with data required by JQuery-File-Upload (see
+	 *         https://github.com/blueimp/jQuery-File-Upload/wiki/Setup)
+	 */
+	@POST
+	@Produces(MediaType.APPLICATION_JSON)
+	@Consumes(MediaType.MULTIPART_FORM_DATA)
+	public Response onPost(@FormDataParam("files[]") InputStream uploadedInputStream, @FormDataParam("files[]") FormDataContentDisposition fileDetail, @FormDataParam("files[]") FormDataBodyPart body, @Context UriInfo uriInfo) {
+		// existence check not required as instantiation of the resource ensures that the object only exists if the resource exists
+		FilesResource.logger.debug("Beginning with file upload");
+		
+		String fileName = fileDetail.getFileName();
+		if (StringUtils.isEmpty(fileName)) {
+			return Response.status(Status.BAD_REQUEST).build();
+		}
+		RepositoryFileReference ref = this.fileName2fileRef(fileName, false);
+		
+		// TODO: instead of fixing the media type, we could overwrite the browser's mediatype by using some user configuration
+		BufferedInputStream bis = new BufferedInputStream(uploadedInputStream);
+		MediaType mediaType = Utils.getFixedMimeType(bis, fileName, body.getMediaType());
+		
+		Response response = BackendUtils.putContentToFile(ref, bis, mediaType);
+		if (response.getStatus() == Status.INTERNAL_SERVER_ERROR.getStatusCode()) {
+			return response;
+		}
+		
+		// create FileMeta object
+		String URL = Utils.getAbsoluteURL(this.fileDir) + Util.URLencode(fileName);
+		String thumbnailURL = uriInfo.getBaseUriBuilder().path(Constants.PATH_MIMETYPEIMAGES).path(FilenameUtils.getExtension(fileName) + Constants.SUFFIX_MIMETYPEIMAGES).build().toString();
+		long size;
+		try {
+			size = Repository.INSTANCE.getSize(ref);
+		} catch (IOException e) {
+			FilesResource.logger.error(e.getMessage(), e);
+			return Response.serverError().entity(e.getMessage()).build();
+		}
+		FileMeta fileMeta = new FileMeta(fileName, size, URL, thumbnailURL);
+		
+		List<FileMeta> metas = new ArrayList<FileMeta>();
+		metas.add(fileMeta);
+		return Response.created(Utils.createURI(URL)).entity(this.getData4jqueryFileUpload(metas)).build();
+	}
+	
+	/**
+	 * Returns a list of file meta object
+	 */
+	@GET
+	@Produces(MediaType.APPLICATION_JSON)
+	public String getJSON() {
+		return this.getData4jqueryFileUpload(this.getAllFileMetas());
+	}
+	
+	private List<FileMeta> getAllFileMetas() {
+		List<FileMeta> res = new ArrayList<FileMeta>();
+		SortedSet<RepositoryFileReference> fileRefs = Repository.INSTANCE.getContainedFiles(this.fileDir);
+		for (RepositoryFileReference ref : fileRefs) {
+			res.add(new FileMeta(ref));
+		}
+		return res;
+	}
+	
+	private RepositoryFileReference fileName2fileRef(String fileName, boolean encoded) {
+		if (encoded) {
+			fileName = Util.URLdecode(fileName);
+		}
+		RepositoryFileReference ref = new RepositoryFileReference(this.fileDir, fileName);
+		return ref;
+	}
+	
+	@GET
+	@Produces(MediaType.TEXT_HTML)
+	public Viewable getHTML() {
+		return new Viewable("/jsp/entitytemplates/artifacttemplates/files.jsp");
+	}
+	
+	@GET
+	@Path("/{fileName}")
+	public Response getFile(@PathParam("fileName") String fileName, @HeaderParam("If-Modified-Since") String modified) {
+		RepositoryFileReference ref = this.fileName2fileRef(fileName, true);
+		return BackendUtils.returnRepoPath(ref, modified);
+	}
+	
+	@DELETE
+	@Path("/{fileName}")
+	public Response deleteFile(@PathParam("fileName") String fileName) {
+		RepositoryFileReference ref = this.fileName2fileRef(fileName, true);
+		return BackendUtils.delete(ref);
+	}
+	
+}