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Copyright 2005-2014 Red Hat, Inc. Red Hat 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.fabric8.forge.kubernetes;
 
 import  org.jboss.forge.addon.ui.context.UIBuilder;
 import  org.jboss.forge.addon.ui.context.UIContext;
 import  org.jboss.forge.addon.ui.context.UIExecutionContext;
 import  org.jboss.forge.addon.ui.input.UIInput;
 import  org.jboss.forge.addon.ui.metadata.UICommandMetadata;
 import  org.jboss.forge.addon.ui.metadata.WithAttributes;
 import  org.jboss.forge.addon.ui.result.Result;
 import  org.jboss.forge.addon.ui.util.Categories;
 import  org.jboss.forge.addon.ui.util.Metadata;
 
 import  javax.inject.Inject;
 import java.util.List;
 
 import static io.fabric8.kubernetes.api.KubernetesHelper.toPositiveNonZeroText;

Command to list replication controllers in kubernetes
 
 
     @Inject
     @WithAttributes(name = "filter", label = "The text filter used to filter pods using label selectors")
     UIInput<StringfilterText;
 
     @Override
     public UICommandMetadata getMetadata(UIContext context) {
         return Metadata.from(super.getMetadata(context), getClass())
                 .category(Categories.create())
                 .name( + ": Replication Controller List")
                 .description("Lists the replication controllers in a kubernetes cloud");
     }
 
     @Override
     public void initializeUI(UIBuilder builderthrows Exception {
         super.initializeUI(builder);
         builder.add();
     }
 
     @Override
     public Result execute(UIExecutionContext uiExecutionContextthrows Exception {
         ReplicationControllerList replicationControllers = getKubernetes().getReplicationControllers();
         printReplicationControllers(replicationControllers.);
         return null;
     }
 
     private void printReplicationControllers(ReplicationControllerList replicationControllersPrintStream out) {
         TablePrinter table = new TablePrinter();
         table.columns("id""labels""replicas""replica selector");
         List<ReplicationControlleritems = replicationControllers.getItems();
         if (items == null) {
             items = .;
         }
         Filter<ReplicationControllerfilter = KubernetesHelper.createReplicationControllerFilter(.getValue());
         for (ReplicationController item : items) {
             if (filter.matches(item)) {
                 String id = KubernetesHelper.getName(item);
                 String labels = KubernetesHelper.toLabelsString(item.getMetadata().getLabels());
                 Integer replicas = null;
                 ReplicationControllerSpec desiredState = item.getSpec();
                 ReplicationControllerStatus currentState = item.getStatus();
                 String selector = null;
                 if (desiredState != null) {
                     selector = KubernetesHelper.toLabelsString(desiredState.getSelector());
                 }
                 if (currentState != null) {
                     replicas = currentState.getReplicas();
                 }
                 table.row(idlabelstoPositiveNonZeroText(replicas), selector);
             }
         }
         table.print();
     }
 }

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