]> git.aero2k.de Git - tmp/jakarta-migration.git/commitdiff
Migrated CollectionObject and Identifier service sources from my sandbox to the trunk.
authorRichard Millet <richard.millet@berkeley.edu>
Wed, 8 Apr 2009 17:03:49 +0000 (17:03 +0000)
committerRichard Millet <richard.millet@berkeley.edu>
Wed, 8 Apr 2009 17:03:49 +0000 (17:03 +0000)
HelloWorld/HelloWorldClient/src/main/java/org/collectionspace/hello/client/CollectionObjectClient.java [new file with mode: 0644]
HelloWorld/HelloWorldClient/src/main/java/org/collectionspace/hello/client/CollectionObjectProxy.java [new file with mode: 0644]
HelloWorld/HelloWorldClient/src/test/java/org/collectionspace/hello/client/test/CollectionObjectServiceTest.java [new file with mode: 0644]
HelloWorld/HelloWorldNuxeoService/src/main/java/org/collectionspace/hello/services/CollectionObjectResource.java [new file with mode: 0644]
HelloWorld/HelloWorldNuxeoService/src/main/java/org/collectionspace/hello/services/HelloworldNuxeoApplication.java
HelloWorld/HelloWorldNuxeoService/src/main/java/org/collectionspace/hello/services/IdentifierResource.java [new file with mode: 0644]

diff --git a/HelloWorld/HelloWorldClient/src/main/java/org/collectionspace/hello/client/CollectionObjectClient.java b/HelloWorld/HelloWorldClient/src/main/java/org/collectionspace/hello/client/CollectionObjectClient.java
new file mode 100644 (file)
index 0000000..8e5a7cf
--- /dev/null
@@ -0,0 +1,96 @@
+package org.collectionspace.hello.client;
+
+import javax.ws.rs.core.Response;
+
+import org.collectionspace.hello.CollectionObject;
+import org.collectionspace.hello.CollectionObjectList;
+
+import org.jboss.resteasy.client.ProxyFactory;
+import org.jboss.resteasy.plugins.providers.RegisterBuiltin;
+import org.jboss.resteasy.client.ClientResponse;
+import org.jboss.resteasy.spi.ResteasyProviderFactory;
+
+/**
+ * A CollectionObjectClient.
+
+ * @version $Revision:$
+ */
+public class CollectionObjectClient {
+
+       private static final String HOST = "http://localhost:8080";
+       private static final String URI = "/helloworld/cspace-nuxeo";
+
+    /**
+     *
+     */
+    private static final CollectionObjectClient instance = new CollectionObjectClient();
+    /**
+     *
+     */
+    private CollectionObjectProxy collectionObjectProxy;
+
+    /**
+     *
+     * Default constructor for CollectionObjectClient class.
+     *
+     */
+    private CollectionObjectClient() {
+        ResteasyProviderFactory factory = ResteasyProviderFactory.getInstance();
+        RegisterBuiltin.register(factory);
+        collectionObjectProxy = ProxyFactory.create(CollectionObjectProxy.class, HOST + URI);
+    }
+
+    /**
+     * FIXME Comment this
+     *
+     * @return
+     */
+    public static CollectionObjectClient getInstance() {
+        return instance;
+    }
+
+    /**
+     * @return
+     * @see org.collectionspace.hello.client.CollectionObjectProxy#getCollectionObject()
+     */
+    public ClientResponse<CollectionObjectList> getCollectionObjectList() {
+        return collectionObjectProxy.getCollectionObjectList();
+    }
+
+    /**
+     * @param csid
+     * @return
+     * @see org.collectionspace.hello.client.CollectionObjectProxy#getCollectionObject(java.lang.String)
+     */
+    public ClientResponse<CollectionObject> getCollectionObject(String csid) {
+        return collectionObjectProxy.getCollectionObject(csid);
+    }
+
+    /**
+     * @param collectionobject
+     * @return
+     * @see org.collectionspace.hello.client.CollectionObjectProxy#createCollectionObject(org.collectionspace.hello.CollectionObject)
+     */
+    public ClientResponse<Response> createCollectionObject(CollectionObject collectionObject) {
+        return collectionObjectProxy.createCollectionObject(collectionObject);
+    }
+
+    /**
+     * @param csid
+     * @param collectionobject
+     * @return
+     * @see org.collectionspace.hello.client.CollectionObjectProxy#updateCollectionObject(java.lang.Long, org.collectionspace.hello.CollectionObject)
+     */
+    public ClientResponse<CollectionObject> updateCollectionObject(String csid, CollectionObject collectionObject) {
+        return collectionObjectProxy.updateCollectionObject(csid, collectionObject);
+    }
+
+    /**
+     * @param csid
+     * @return
+     * @see org.collectionspace.hello.client.CollectionObjectProxy#deleteCollectionObject(java.lang.Long)
+     */
+    public ClientResponse<Response> deleteCollectionObject(String csid) {
+        return collectionObjectProxy.deleteCollectionObject(csid);
+    }
+}
diff --git a/HelloWorld/HelloWorldClient/src/main/java/org/collectionspace/hello/client/CollectionObjectProxy.java b/HelloWorld/HelloWorldClient/src/main/java/org/collectionspace/hello/client/CollectionObjectProxy.java
new file mode 100644 (file)
index 0000000..6097fed
--- /dev/null
@@ -0,0 +1,46 @@
+package org.collectionspace.hello.client;
+
+import javax.ws.rs.Consumes;
+import javax.ws.rs.DELETE;
+import javax.ws.rs.GET;
+import javax.ws.rs.POST;
+import javax.ws.rs.PUT;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.Response;
+
+import org.collectionspace.hello.CollectionObject;
+import org.collectionspace.hello.CollectionObjectList;
+import org.jboss.resteasy.client.ClientResponse;
+
+/**
+ * @version $Revision:$
+ */
+@Path("/collectionobjects/")
+@Produces({"application/xml"})
+@Consumes({"application/xml"})
+public interface CollectionObjectProxy {
+
+    @GET
+    ClientResponse<CollectionObjectList> getCollectionObjectList();
+
+    //(C)reate
+    @POST
+    ClientResponse<Response> createCollectionObject(CollectionObject co);
+
+    //(R)ead
+    @GET
+    @Path("/{csid}")
+    ClientResponse<CollectionObject> getCollectionObject(@PathParam("csid") String csid);
+
+    //(U)pdate
+    @PUT
+    @Path("/{csid}")
+    ClientResponse<CollectionObject> updateCollectionObject(@PathParam("csid") String csid, CollectionObject co);
+
+    //(D)elete
+    @DELETE
+    @Path("/{csid}")
+    ClientResponse<Response> deleteCollectionObject(@PathParam("csid") String csid);
+}
\ No newline at end of file
diff --git a/HelloWorld/HelloWorldClient/src/test/java/org/collectionspace/hello/client/test/CollectionObjectServiceTest.java b/HelloWorld/HelloWorldClient/src/test/java/org/collectionspace/hello/client/test/CollectionObjectServiceTest.java
new file mode 100644 (file)
index 0000000..aa76d13
--- /dev/null
@@ -0,0 +1,146 @@
+package org.collectionspace.hello.client.test;
+
+import java.util.ArrayList;
+import java.util.List;
+import javax.ws.rs.core.MultivaluedMap;
+import javax.ws.rs.core.Response;
+import javax.xml.bind.JAXBContext;
+import javax.xml.bind.Marshaller;
+import org.jboss.resteasy.client.ClientResponse;
+import org.testng.Assert;
+import org.testng.annotations.Test;
+
+import org.collectionspace.hello.CollectionObject;
+import org.collectionspace.hello.CollectionObjectList;
+import org.collectionspace.hello.client.CollectionObjectClient;
+
+/**
+ * A CollectionObjectNuxeoServiceTest.
+ * 
+ * @version $Revision:$
+ */
+public class CollectionObjectServiceTest {
+
+    private CollectionObjectClient collectionObjectClient = CollectionObjectClient.getInstance();
+    private String updateId = null;
+    private String deleteId = null;
+
+    @Test
+    public void createCollectionObject() {
+       long identifier = this.createIdentifier();
+       
+       CollectionObject collectionObject = createCollectionObject(identifier);
+        ClientResponse<Response> res = collectionObjectClient.createCollectionObject(collectionObject);
+        Assert.assertEquals(res.getStatus(), Response.Status.CREATED.getStatusCode());
+        
+        //store updateId locally for "update" test
+        if (updateId == null)
+               updateId = extractId(res);
+        else
+               deleteId = extractId(res);
+    }
+
+    @Test(dependsOnMethods = {"createCollectionObject"})
+    public void updateCollectionObject() {
+       ClientResponse<CollectionObject> res = collectionObjectClient.getCollectionObject(updateId);
+        CollectionObject collectionObject = res.getEntity();
+        verbose("got collectionobject to update: " + updateId,
+                       collectionObject, CollectionObject.class);
+        
+        //collectionObject.setCsid("updated-" + updateId);
+        collectionObject.setIdentifier("updated-" + collectionObject.getIdentifier());
+        collectionObject.setDescription("updated-" + collectionObject.getDescription());
+        
+        res = collectionObjectClient.updateCollectionObject(updateId, collectionObject);
+        CollectionObject updatedCollectionObject = res.getEntity();
+        Assert.assertEquals(updatedCollectionObject.getDescription(), collectionObject.getDescription());
+
+        verbose("updated collectionObject", updatedCollectionObject, CollectionObject.class);
+        
+        return;
+    }
+
+    @Test(dependsOnMethods = {"createCollectionObject"})
+    public void createCollection() {
+       for (int i = 0; i < 3; i++) {
+               this.createCollectionObject();
+       }
+    }
+    
+    @Test(dependsOnMethods = {"createCollection"})
+    public void getCollectionObjectList() {
+        //the resource method is expected to return at least an empty list
+        CollectionObjectList coList = collectionObjectClient.getCollectionObjectList().getEntity();
+        List<CollectionObjectList.CollectionObjectListItem> coItemList = coList.getCollectionObjectListItem();
+        int i = 0;
+        for(CollectionObjectList.CollectionObjectListItem pli : coItemList) {
+            verbose("getCollectionObjectList: list-item[" + i + "] csid=" + pli.getCsid());
+            verbose("getCollectionObjectList: list-item[" + i + "] identifier=" + pli.getIdentifier());
+            verbose("getCollectionObjectList: list-item[" + i + "] URI=" + pli.getUri());
+            i++;
+        }
+    }
+
+    @Test(dependsOnMethods = {"updateCollectionObject"})
+    public void deleteCollectionObject() {
+        ClientResponse<Response> res = collectionObjectClient.deleteCollectionObject(deleteId);
+        verbose("deleteCollectionObject: csid=" + deleteId);
+        verbose("deleteCollectionObject: status = " + res.getStatus());
+        Assert.assertEquals(res.getStatus(), Response.Status.NO_CONTENT.getStatusCode());
+    }
+
+    private CollectionObject createCollectionObject(String csid, String identifier, String description) {
+       CollectionObject collectionObject = new CollectionObject();
+       
+       collectionObject.setCsid(csid);
+       collectionObject.setIdentifier(identifier);
+       collectionObject.setDescription(description);
+
+        return collectionObject;
+    }
+
+    private CollectionObject createCollectionObject(long identifier) {
+       CollectionObject collectionObject = createCollectionObject("csid-" + identifier,
+                       "did-" + identifier, "description-" + identifier);      
+
+        return collectionObject;
+    }
+
+    private String extractId(ClientResponse<Response> res) {
+        MultivaluedMap mvm = res.getMetadata();
+        String uri = (String) ((ArrayList) mvm.get("Location")).get(0);
+        String[] segments = uri.split("/");
+        String id = segments[segments.length - 1];
+        verbose("id=" + id);
+        return id;
+    }
+
+    private void verbose(String msg) {
+        System.out.println("CollectionObjectServiceTest : " + msg);
+    }
+
+    private void verbose(String msg, Object o, Class clazz) {
+        try{
+            verbose(msg);
+            JAXBContext jc = JAXBContext.newInstance(clazz);
+            Marshaller m = jc.createMarshaller();
+            m.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT,
+                    Boolean.TRUE);
+            m.marshal(o, System.out);
+        }catch(Exception e){
+            e.printStackTrace();
+        }
+    }
+
+    private void verboseMap(MultivaluedMap map) {
+        for(Object entry : map.entrySet()){
+            MultivaluedMap.Entry mentry = (MultivaluedMap.Entry) entry;
+            verbose("    name=" + mentry.getKey() + " value=" + mentry.getValue());
+        }
+    }
+    
+    private long createIdentifier() {
+       long identifier = System.currentTimeMillis();
+       return identifier;
+    }
+}
diff --git a/HelloWorld/HelloWorldNuxeoService/src/main/java/org/collectionspace/hello/services/CollectionObjectResource.java b/HelloWorld/HelloWorldNuxeoService/src/main/java/org/collectionspace/hello/services/CollectionObjectResource.java
new file mode 100644 (file)
index 0000000..d861fc8
--- /dev/null
@@ -0,0 +1,300 @@
+package org.collectionspace.hello.services;
+
+import java.io.ByteArrayInputStream;
+import org.collectionspace.hello.services.nuxeo.NuxeoRESTClient;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import javax.ws.rs.Consumes;
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import java.util.Map;
+import javax.ws.rs.DELETE;
+import javax.ws.rs.POST;
+import javax.ws.rs.PUT;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.WebApplicationException;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.core.UriBuilder;
+import javax.ws.rs.core.UriInfo;
+import javax.xml.bind.JAXBContext;
+import javax.xml.bind.Marshaller;
+import org.collectionspace.hello.*;
+
+
+import org.collectionspace.hello.CollectionObjectList.CollectionObjectListItem;
+import org.dom4j.Document;
+import org.dom4j.Element;
+import org.dom4j.Namespace;
+import org.dom4j.io.SAXReader;
+import org.restlet.resource.Representation;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@Path("/collectionobjects")
+@Consumes("application/xml")
+@Produces("application/xml")
+public class CollectionObjectResource {
+
+       final static String NUXEO_WORKSPACE_UID = "776a8787-9d81-41b0-a02c-1ba674638c0a";
+       final static String NUXEO_DOCTYPE = "CollectionObject";
+       
+    final Logger logger = LoggerFactory.getLogger(CollectionObjectResource.class);
+
+    public CollectionObjectResource() {
+       // do nothing
+    }
+
+    @GET
+    public CollectionObjectList getCollectionObjectList(@Context UriInfo ui) {
+       CollectionObjectList p = new CollectionObjectList();
+        try{
+            List<CollectionObjectList.CollectionObjectListItem> list = p.getCollectionObjectListItem();
+            NuxeoRESTClient nxClient = getClient();
+
+            List<String> pathParams = new ArrayList<String>();
+            Map<String, String> queryParams = new HashMap<String, String>();
+            pathParams = Arrays.asList("default", NUXEO_WORKSPACE_UID, "browse");
+            Representation res = nxClient.get(pathParams, queryParams);
+            SAXReader reader = new SAXReader();
+            Document document = reader.read(res.getStream());
+            Element root = document.getRootElement();
+            for(Iterator i = root.elementIterator(); i.hasNext();){
+                Element element = (Element) i.next();
+                CollectionObjectListItem pli = new CollectionObjectListItem();
+                //
+                pli.setCsid(element.attributeValue("csid"));
+                pli.setUri(element.attributeValue("url"));
+                pli.setIdentifier(element.attributeValue("identifier"));
+                list.add(pli);
+            }
+
+        }catch(Exception e){
+            e.printStackTrace();
+        }
+        return p;
+    }
+
+    @POST
+    public Response createCollectionObject(CollectionObject co) {
+
+        NuxeoRESTClient nxClient = getClient();
+
+        List<String> pathParams = new ArrayList<String>();
+        Map<String, String> queryParams = new HashMap<String, String>();
+        pathParams.add("default");
+        pathParams.add(NUXEO_WORKSPACE_UID);
+        pathParams.add("createDocument");
+        queryParams.put("docType", NUXEO_DOCTYPE);
+        
+        queryParams.put("dublincore:title", co.getIdentifier());
+        // CollectionObject core values
+        queryParams.put("collectionobject:csid", Integer.valueOf(1).toString());
+        queryParams.put("collectionobject:identifier", co.getIdentifier());
+        queryParams.put("collectionobject:description", co.getDescription());
+
+        ByteArrayInputStream bais = new ByteArrayInputStream(new byte[0]);
+        Representation res = nxClient.post(pathParams, queryParams, bais);
+
+        SAXReader reader = new SAXReader();
+        try {
+            Document document = reader.read(res.getStream());
+            Element root = document.getRootElement();
+            for (Iterator i = root.elementIterator(); i.hasNext();){
+                Element element = (Element) i.next();
+                if ("docRef".equals(element.getName())){
+                    String id = (String) element.getData();
+                    co.setCsid(id);
+                }
+            }
+        } catch(Exception e){
+            Response response = Response.status(Response.Status.NOT_FOUND).entity(
+                    "Create failed").type("text/plain").build();
+            throw new WebApplicationException(response);
+        }
+
+        verbose("created collectionobject", co);
+        UriBuilder path = UriBuilder.fromResource(PersonNuxeoResource.class);
+        path.path("" + co.getCsid());
+        Response response = Response.created(path.build()).build();
+        
+        return response;
+    }
+
+    @GET
+    @Path("{csid}")
+    public CollectionObject getCollectionObject(@PathParam("csid") String csid) {
+
+        CollectionObject co = null;
+        try {
+            List<String> pathParams = new ArrayList<String>();
+            Map<String, String> queryParams = new HashMap<String, String>();
+
+            pathParams.add("default");
+            pathParams.add(csid);
+            pathParams.add("export");
+            queryParams.put("format", "XML");
+
+            NuxeoRESTClient nxClient = getClient();
+            Representation res = nxClient.get(pathParams, queryParams);
+
+            SAXReader reader = new SAXReader();
+            Document document = reader.read(res.getStream());
+            Element root = document.getRootElement();
+            co = new CollectionObject();
+
+ //                    TODO: recognize schema thru namespace uri
+//          Namespace ns = new Namespace("collectionobject", "http://collectionspace.org/collectionobject");
+
+            Iterator<Element> siter = root.elementIterator("schema");
+            while (siter.hasNext()) {
+
+                Element schemaElement = siter.next();
+                System.err.println("CollectionObject.getCollectionObject() called.");
+
+                //TODO: recognize schema thru namespace uri
+                if ("collectionobject".equals(schemaElement.attribute("name").getValue())){
+                    co.setCsid(csid);
+                    Element ele = schemaElement.element("identifier");
+                    if(ele != null){
+                        co.setIdentifier((String) ele.getData());
+                    }
+                    ele = schemaElement.element("description");
+                    if(ele != null){
+                        co.setDescription((String) ele.getData());
+                    }
+                }
+            }
+
+        } catch(Exception e){
+            e.printStackTrace();
+            Response response = Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(
+                    "Get failed").type("text/plain").build();
+            throw new WebApplicationException(response);
+        }
+        if (co == null) {
+            Response response = Response.status(Response.Status.NOT_FOUND).entity(
+                    "Get failed, the requested CollectionObject CSID:" + csid + ": was not found.").type("text/plain").build();
+            throw new WebApplicationException(response);
+        }
+        verbose("get collectionobject", co);
+        
+        return co;
+    }
+
+    @PUT
+    @Path("{csid}")
+    public CollectionObject updateCollectionObject(
+            @PathParam("csid") String csid,
+            CollectionObject update) {
+
+        verbose("updating collectionobject input", update);
+
+        List<String> pathParams = new ArrayList<String>();
+        Map<String, String> queryParams = new HashMap<String, String>();
+        pathParams.add("default");
+        pathParams.add(update.getCsid());
+        pathParams.add("updateDocumentRestlet");
+        
+        //todo: intelligent merge needed
+        if(update.getIdentifier() != null){
+            queryParams.put("collectionobject:identifier", update.getIdentifier());
+        }
+
+        if(update.getDescription() != null){
+            queryParams.put("collectionobject:description", update.getDescription());
+        }
+
+        NuxeoRESTClient nxClient = getClient();
+        Representation res = nxClient.get(pathParams, queryParams);
+        SAXReader reader = new SAXReader();
+        String status = "";
+        try {
+            Document document = reader.read(res.getStream());
+            Element root = document.getRootElement();
+            for(Iterator i = root.elementIterator(); i.hasNext();){
+                Element element = (Element) i.next();
+                if("docRef".equals(element.getName())){
+                    status = (String) element.getData();
+                    verbose("update collectionobject: response=" + status);
+                }
+
+            }
+        } catch(Exception e) {
+            //FIXME: NOT_FOUND?
+            Response response = Response.status(Response.Status.NOT_FOUND).entity(
+                    "Update failed ").type("text/plain").build();
+            throw new WebApplicationException(response);
+        }
+        
+        return update;
+    }
+
+    @DELETE
+    @Path("{csid}")
+    public void deleteCollectionObject(@PathParam("csid") String csid) {
+
+       verbose("deleting collectionobject with csid=" + csid);
+        
+       NuxeoRESTClient nxClient = getClient();
+        List<String> pathParams = new ArrayList<String>();
+        Map<String, String> queryParams = new HashMap<String, String>();
+
+        pathParams.add("default");
+        pathParams.add(csid);
+        pathParams.add("deleteDocumentRestlet");
+        Representation res = nxClient.get(pathParams, queryParams);
+        SAXReader reader = new SAXReader();
+        String status = "";
+        
+        try {
+            Document document = reader.read(res.getStream());
+            Element root = document.getRootElement();
+            for(Iterator i = root.elementIterator(); i.hasNext();){
+                Element element = (Element) i.next();
+                if("docRef".equals(element.getName())){
+                    status = (String) element.getData();
+                    verbose("delete collectionobject: response=" + status);
+                }
+
+            }
+        }catch(Exception e){
+            //FIXME: NOT_FOUND?
+            Response response = Response.status(Response.Status.NOT_FOUND).entity(
+                    "Delete failed ").type("text/plain").build();
+            throw new WebApplicationException(response);
+        }
+
+    }
+
+    private void verbose(String msg, CollectionObject co) {
+        try {
+            verbose(msg);
+            JAXBContext jc = JAXBContext.newInstance(
+                    CollectionObject.class);
+
+            Marshaller m = jc.createMarshaller();
+            m.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT,
+                    Boolean.TRUE);
+            m.marshal(co, System.out);
+        } catch(Exception e){
+            e.printStackTrace();
+        }
+
+    }
+
+    private NuxeoRESTClient getClient() {
+        NuxeoRESTClient nxClient = new NuxeoRESTClient("http://127.0.0.1:8080/nuxeo");
+        nxClient.setAuthType(NuxeoRESTClient.AUTH_TYPE_BASIC);
+        nxClient.setBasicAuthentication("Administrator", "Administrator");
+        return nxClient;
+    }
+
+    private void verbose(String msg) {
+        System.out.println("CollectionObjectResource: " + msg);
+    }
+}
index 9443764b960da467d732f99098bc8626cb2f4f69..e9e233ae19d07155d6147cc76de136302933e585 100644 (file)
@@ -10,6 +10,8 @@ public class HelloworldNuxeoApplication extends Application {
     private Set<Class<?>> empty = new HashSet<Class<?>>();
 
     public HelloworldNuxeoApplication() {
+        singletons.add(new CollectionObjectResource());
+        singletons.add(new IdentifierResource());
         singletons.add(new PersonNuxeoResource());
     }
 
diff --git a/HelloWorld/HelloWorldNuxeoService/src/main/java/org/collectionspace/hello/services/IdentifierResource.java b/HelloWorld/HelloWorldNuxeoService/src/main/java/org/collectionspace/hello/services/IdentifierResource.java
new file mode 100644 (file)
index 0000000..a91b4b5
--- /dev/null
@@ -0,0 +1,78 @@
+package org.collectionspace.hello.services;
+
+import javax.ws.rs.Consumes;
+import javax.ws.rs.GET;
+import javax.ws.rs.POST;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+import javax.ws.rs.WebApplicationException;
+import javax.ws.rs.core.Response;
+import java.util.Map;
+import java.util.UUID;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.atomic.AtomicLong;
+import javax.ws.rs.core.UriBuilder;
+import javax.xml.bind.JAXBContext;
+import javax.xml.bind.Marshaller;
+import org.collectionspace.hello.Identifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@Path("/identifiers")
+@Consumes("application/xml")
+@Produces("application/xml")
+public class IdentifierResource {
+
+    final Logger logger = LoggerFactory.getLogger(IdentifierResource.class);
+    private Map<Long, Identifier> idDB = new ConcurrentHashMap<Long, Identifier>();
+    private AtomicLong idCounter = new AtomicLong();
+
+    public IdentifierResource() {
+       // do nothing
+    }
+
+    @POST
+    public Response createIdentifier(Identifier id) {
+        if (id.getNamespace() == null) {
+            id.setNamespace("edu.berkeley");
+        }
+        id.setId(idCounter.incrementAndGet());
+        id.setVersion(1);
+        UUID uuid = UUID.nameUUIDFromBytes(id.getNamespace().getBytes());
+        id.setValue(uuid.toString());
+        idDB.put(id.getId(), id);
+        verbose("created Id", id);
+        UriBuilder path = UriBuilder.fromResource(IdentifierResource.class);
+        path.path("" + id.getId());
+        Response response = Response.created(path.build()).build();
+        return response;
+    }
+
+    @GET
+    @Path("{id}")
+    public Identifier getIdentifier(@PathParam("id") Long id) {
+        Identifier i = idDB.get(id);
+        if (i == null) {
+            Response response = Response.status(Response.Status.NOT_FOUND).entity(
+                    "The requested ID was not found.").type("text/plain").build();
+            throw new WebApplicationException(response);
+        }
+        verbose("get Id", i);
+        return i;
+    }
+
+    private void verbose(String msg, Identifier id) {
+        try {
+            System.out.println("IdentifierResource : " + msg);
+            JAXBContext jc = JAXBContext.newInstance(Identifier.class);
+            Marshaller m = jc.createMarshaller();
+            m.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT,
+                    Boolean.TRUE);
+            m.marshal(id, System.out);
+
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}