added new rest api

issue #11

imixs-archive-api/pom.xml

@@ -75,6 +75,10 @@
 			<groupId>org.imixs.workflow</groupId>
 			<artifactId>imixs-workflow-engine</artifactId>
 		</dependency>
+		<dependency>
+			<groupId>org.imixs.workflow</groupId>
+			<artifactId>imixs-workflow-jax-rs</artifactId>
+		</dependency>
 
 		<!-- Java EE dependencies -->
 		<dependency>

imixs-archive-api/src/main/java/org/imixs/archive/rest/SnapshotRestService.java

@@ -0,0 +1,100 @@
+/*******************************************************************************
+ *  Imixs Workflow 
+ *  Copyright (C) 2001, 2011 Imixs Software Solutions GmbH,  
+ *  http://www.imixs.com
+ *  
+ *  This program is free software; you can redistribute it and/or 
+ *  modify it under the terms of the GNU General Public License 
+ *  as published by the Free Software Foundation; either version 2 
+ *  of the License, or (at your option) any later version.
+ *  
+ *  This program is distributed in the hope that it will be useful, 
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of 
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 
+ *  General Public License for more details.
+ *  
+ *  You can receive a copy of the GNU General Public
+ *  License at http://www.gnu.org/licenses/gpl.html
+ *  
+ *  Project: 
+ *  	http://www.imixs.org
+ *  	http://java.net/projects/imixs-workflow
+ *  
+ *  Contributors:  
+ *  	Imixs Software Solutions GmbH - initial API and implementation
+ *  	Ralph Soika - Software Developer
+ *******************************************************************************/
+
+package org.imixs.archive.rest;
+
+import java.io.Serializable;
+
+import javax.ejb.EJB;
+import javax.enterprise.context.RequestScoped;
+import javax.inject.Named;
+import javax.ws.rs.Encoded;
+import javax.ws.rs.GET;
+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.UriInfo;
+
+import org.imixs.workflow.ItemCollection;
+import org.imixs.workflow.engine.DocumentService;
+import org.imixs.workflow.jaxrs.WorkflowRestService;
+
+/**
+ * The SnapshotRestService is a wrapper for the WorkflowRestService and provides a method 
+ * to get a file content based on the $uniqueid of the origin workitem.
+ * 
+ * @author rsoika
+ */
+@Named("snapshotService")
+@RequestScoped
+@Path("/snapshot")
+@Produces({ MediaType.TEXT_HTML, MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON, MediaType.TEXT_XML })
+public class SnapshotRestService implements Serializable {
+
+	private static final long serialVersionUID = 1L;
+
+	@EJB
+	DocumentService documentService;
+
+	@EJB
+	WorkflowRestService workflowRestService;
+
+	/**
+	 * This method wraps the WorkflowRestService method 'getWorkItemFile' and
+	 * verifies the target id which can be either a $snapshotid or the deprecated
+	 * $blobWorkitemid.
+	 * 
+	 * Finally the method calls the origin method getWorkItemFile
+	 * 
+	 * @param uniqueid
+	 * @return
+	 */
+	@GET
+	@Path("/{uniqueid}/file/{file}")
+	public Response getWorkItemFile(@PathParam("uniqueid") String uniqueid, @PathParam("file") @Encoded String file,
+			@Context UriInfo uriInfo) {
+
+		ItemCollection workItem;
+		String sTargetID = uniqueid;
+		// load workitem
+		workItem = documentService.load(uniqueid);
+		// test if we have a $snapshotid
+		if (workItem != null && workItem.hasItem("$snapshotid")) {
+			sTargetID = workItem.getItemValueString("$snapshotid");
+		} else {
+			// support deprecated blobworkitem....
+			if (workItem != null && workItem.hasItem("$blobworkitem")) {
+				sTargetID = workItem.getItemValueString("$blobworkitem");
+			}
+		}
+		return workflowRestService.getWorkItemFile(sTargetID, file, uriInfo);
+	}
+
+}

imixs-archive-api/src/main/resources/META-INF/beans.xml

@@ -0,0 +1,5 @@
+<beans xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/beans_1_1.xsd"
+	version="1.2" bean-discovery-mode="annotated">
+
+</beans>

pom.xml

@@ -223,6 +223,14 @@
 				<!-- excluded from manifest classpath, and excluded from WEB-INF/lib -->
 			</dependency>
 
+			<dependency>
+				<groupId>org.imixs.workflow</groupId>
+				<artifactId>imixs-workflow-jax-rs</artifactId>
+				<version>${org.imixs.workflow.version}</version>
+				<scope>provided</scope>
+				<!-- excluded from manifest classpath, and excluded from WEB-INF/lib -->
+			</dependency>
+
 			<dependency>
 				<groupId>org.imixs.workflow</groupId>
 				<artifactId>imixs-workflow-faces</artifactId>