RESTful endpoint for creating applications

ccm-core/src/main/java/org/libreccm/api/admin/sites/SitesApi.java

@@ -33,7 +33,6 @@ import org.libreccm.sites.SiteRepository;
 import org.libreccm.web.ApplicationRepository;
 import org.libreccm.web.CcmApplication;
 
-import java.util.List;
 import java.util.stream.Collectors;
 
 import javax.enterprise.context.RequestScoped;

ccm-core/src/main/java/org/libreccm/api/admin/web/CcmApplicationsApi.java

@@ -24,21 +24,28 @@ import org.libreccm.api.admin.categorization.dto.DomainOwnershipData;
 import org.libreccm.api.admin.web.dto.CcmApplicationDto;
 import org.libreccm.api.dto.ListView;
 import org.libreccm.core.CoreConstants;
+import org.libreccm.l10n.LocalizedString;
 import org.libreccm.security.AuthorizationRequired;
 import org.libreccm.security.RequiresPrivilege;
 import org.libreccm.sites.SiteAwareApplicationRepository;
+import org.libreccm.web.ApplicationCreateException;
+import org.libreccm.web.ApplicationManager;
 import org.libreccm.web.ApplicationRepository;
+import org.libreccm.web.ApplicationType;
 import org.libreccm.web.CcmApplication;
 
+import java.util.Map;
 import java.util.stream.Collectors;
 
 import javax.enterprise.context.RequestScoped;
 import javax.inject.Inject;
 import javax.transaction.Transactional;
+import javax.ws.rs.BadRequestException;
 import javax.ws.rs.Consumes;
 import javax.ws.rs.DELETE;
 import javax.ws.rs.DefaultValue;
 import javax.ws.rs.GET;
+import javax.ws.rs.InternalServerErrorException;
 import javax.ws.rs.NotFoundException;
 import javax.ws.rs.POST;
 import javax.ws.rs.PUT;
@@ -46,8 +53,10 @@ import javax.ws.rs.Path;
 import javax.ws.rs.PathParam;
 import javax.ws.rs.Produces;
 import javax.ws.rs.QueryParam;
+import javax.ws.rs.core.Context;
 import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.Response;
+import javax.ws.rs.core.UriInfo;
 
 /**
  *
@@ -57,6 +66,12 @@ import javax.ws.rs.core.Response;
 @Path("/applications/")
 public class CcmApplicationsApi {
 
+    @Context
+    private UriInfo uriInfo;
+
+    @Inject
+    private ApplicationManager applicationManager;
+
     @Inject
     private ApplicationRepository applicationRepository;
 
@@ -121,8 +136,82 @@ public class CcmApplicationsApi {
     @AuthorizationRequired
     @RequiresPrivilege(CoreConstants.PRIVILEGE_ADMIN)
     @Transactional(Transactional.TxType.REQUIRED)
+
     public Response createApplication(final CcmApplicationDto applicationData) {
-        throw new UnsupportedOperationException();
+
+        final String applicationClassName = applicationData
+            .getApplicationClassName();
+        final String path = applicationData.getPrimaryUrl();
+
+        final LocalizedString title = applicationData.getTitle();
+        final LocalizedString description = applicationData.getDescription();
+
+        final Class<?> clazz;
+        try {
+            clazz = Class.forName(applicationClassName);
+
+        } catch (ClassNotFoundException ex) {
+            throw new BadRequestException(
+                String.format(
+                    "No class for applicationClassName \"%s\" found.",
+                    applicationClassName
+                )
+            );
+        }
+        if (!CcmApplication.class.isAssignableFrom(clazz)) {
+            throw new BadRequestException(
+                String.format(
+                    "The provided class \"%s\" is not an subclass of \"%s\".)",
+                    clazz.getName(),
+                    CcmApplication.class.getName()
+                )
+            );
+        }
+        @SuppressWarnings("unchecked")
+        final Class<? extends CcmApplication> applicationClass
+            = (Class<? extends CcmApplication>) clazz;
+
+        final Map<String, ApplicationType> applicationTypes = applicationManager
+            .getApplicationTypes();
+
+        if (!applicationTypes.containsKey(applicationClass.getName())) {
+            throw new NotFoundException(
+                String.format(
+                    "No application type for class \"%s\" available.",
+                    applicationClass.getName()
+                )
+            );
+        }
+
+        final ApplicationType applicationType = applicationTypes.get(
+            applicationClass.getName()
+        );
+
+        final CcmApplication application;
+        try {
+            application = applicationManager.createInstance(
+                applicationType, path, applicationClass
+            );
+        } catch (ApplicationCreateException ex) {
+            throw new InternalServerErrorException(
+                String.format(
+                    "Failed to created new application of type \"%s\".",
+                    applicationClass.getName()
+                )
+            );
+        }
+
+        application.setTitle(title);
+        application.setDescription(description);
+
+        return Response
+            .created(
+                uriInfo
+                    .getBaseUriBuilder()
+                    .path(path)
+                    .build()
+            ).build();
+
     }
 
     @PUT

ccm-core/src/main/java/org/libreccm/api/admin/web/dto/CcmApplicationDto.java

@@ -46,6 +46,8 @@ public class CcmApplicationDto {
 
     private String created;
     
+    private String applicationClassName;
+
     private String applicationType;
 
     private String primaryUrl;
@@ -74,6 +76,7 @@ public class CcmApplicationDto {
         created = DateTimeFormatter.ISO_DATE_TIME.format(
             application.getCreated().toInstant()
         );
+        applicationClassName = application.getClass().getName();
         applicationType = application.getApplicationType();
         primaryUrl = application.getPrimaryUrl();
         domains = application
@@ -130,6 +133,14 @@ public class CcmApplicationDto {
         this.created = created;
     }
     
+    public String getApplicationClassName() {
+        return applicationClassName;
+    }
+    
+    protected void setApplicationClassName(final String applicationClassName) {
+        this.applicationClassName = applicationClassName;
+    }
+
     public String getApplicationType() {
         return applicationType;
     }