Java tutorial
/* * 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 org.jclouds.cloudsigma2.compute.functions; import com.google.common.collect.ImmutableList; import org.jclouds.compute.functions.TemplateOptionsToStatement; import org.jclouds.compute.options.TemplateOptions; import org.jclouds.scriptbuilder.InitScript; import org.jclouds.scriptbuilder.domain.Statement; import org.jclouds.scriptbuilder.domain.StatementList; import org.jclouds.scriptbuilder.statements.ssh.InstallRSAPrivateKey; import javax.inject.Singleton; /** * Convert the template options into a statement, but ignoring the public key. * <p/> * The {@link org.jclouds.cloudsigma2.compute.strategy.CloudSigma2ComputeServiceAdapter} already takes care of * installing it using the server metadata. */ @Singleton public class TemplateOptionsToStatementWithoutPublicKey extends TemplateOptionsToStatement { @Override public Statement apply(TemplateOptions options) { ImmutableList.Builder<Statement> builder = ImmutableList.builder(); if (options.getRunScript() != null) { builder.add(options.getRunScript()); } if (options.getPrivateKey() != null) { builder.add(new InstallRSAPrivateKey(options.getPrivateKey())); } ImmutableList<Statement> bootstrap = builder.build(); if (bootstrap.isEmpty()) { return null; } if (options.getTaskName() == null && !(options.getRunScript() instanceof InitScript)) { options.nameTask("bootstrap"); } return bootstrap.size() == 1 ? bootstrap.get(0) : new StatementList(bootstrap); } }