Github user andreaturli commented on a diff in the pull request:
https://github.com/apache/incubator-brooklyn/pull/760#discussion_r35548167
--- Diff:
usage/camp/src/main/java/io/brooklyn/camp/brooklyn/spi/creation/CampToSpecTransformer.java
---
@@ -0,0 +1,86 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package io.brooklyn.camp.brooklyn.spi.creation;
+
+import java.io.StringReader;
+
+import brooklyn.basic.AbstractBrooklynObjectSpec;
+import brooklyn.catalog.CatalogItem;
+import brooklyn.entity.Application;
+import brooklyn.entity.proxying.EntitySpec;
+import brooklyn.management.ManagementContext;
+import brooklyn.management.classloading.BrooklynClassLoadingContext;
+import brooklyn.management.classloading.JavaBrooklynClassLoadingContext;
+import brooklyn.plan.PlanToSpecTransformer;
+import brooklyn.util.exceptions.Exceptions;
+import io.brooklyn.camp.CampPlatform;
+import io.brooklyn.camp.brooklyn.api.AssemblyTemplateSpecInstantiator;
+import io.brooklyn.camp.spi.AssemblyTemplate;
+import io.brooklyn.camp.spi.instantiate.AssemblyTemplateInstantiator;
+
+public class CampToSpecTransformer implements PlanToSpecTransformer {
+
+ public static final String YAML_CAMP_PLAN_TYPE = "brooklyn.camp/yaml";
+
+ private ManagementContext mgmt;
+
+ public String getName() {
+ return YAML_CAMP_PLAN_TYPE;
+ }
+
+ public boolean accepts(String mime) {
+ return YAML_CAMP_PLAN_TYPE.equals(mime);
+ }
+
+ public <T extends Application> EntitySpec<T>
createApplicationSpec(String plan) {
+ CampPlatform camp = CampCatalogUtils.getCampPlatform(mgmt);
+ AssemblyTemplate at = camp.pdp().registerDeploymentPlan( new
StringReader(plan) );
+ AssemblyTemplateInstantiator instantiator;
+ try {
+ instantiator = at.getInstantiator().newInstance();
+ } catch (Exception e) {
+ throw Exceptions.propagate(e);
+ }
+ if (instantiator instanceof AssemblyTemplateSpecInstantiator) {
+ BrooklynClassLoadingContext loader =
JavaBrooklynClassLoadingContext.create(mgmt);
+ @SuppressWarnings("unchecked")
+ EntitySpec<T> createSpec = (EntitySpec<T>)
((AssemblyTemplateSpecInstantiator) instantiator).createSpec(at, camp, loader,
true);
+ return createSpec;
+ } else {
+ // The unknown instantiator can create the app (Assembly), but
not a spec.
+ // Currently, all brooklyn plans should produce the above.
+ if (at.getPlatformComponentTemplates()==null ||
at.getPlatformComponentTemplates().isEmpty()) {
+ if (at.getCustomAttributes().containsKey("brooklyn.catalog"))
+ throw new IllegalArgumentException("Unrecognized
application blueprint format: expected an application, not a brooklyn.catalog");
+ throw new IllegalArgumentException("Unrecognized application
blueprint format: no services defined");
+ }
+ // map this (expected) error to a nicer message
+ throw new IllegalArgumentException("Unrecognized application
blueprint format");
+ }
+ }
+
+ public AbstractBrooklynObjectSpec<?, ?>
createCatalogSpec(CatalogItem<?, ?> item) {
+ return CampCatalogUtils.createSpec(mgmt, item);
+ }
+
+ public void injectManagementContext(ManagementContext mgmt) {
+ this.mgmt = mgmt;
+ }
+
+}
--- End diff --
[minor] add blank line?
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