| /* |
| * 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.scriptbuilder; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| import java.util.Map; |
| |
| import org.jclouds.scriptbuilder.domain.OsFamily; |
| import org.jclouds.scriptbuilder.domain.ShellToken; |
| import org.jclouds.scriptbuilder.util.Utils; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| import com.google.common.collect.ImmutableMap; |
| import com.google.common.collect.Maps; |
| |
| /** |
| * Creates an environment file |
| */ |
| public class EnvBuilder { |
| |
| @VisibleForTesting |
| Map<String, String> variables = Maps.newHashMap(); |
| |
| /** |
| * Exports a variable inside the script |
| * |
| * @param name name of the variable in UPPER_UNDERSCORE case format |
| */ |
| public EnvBuilder export(String name, String value) { |
| variables.put(checkNotNull(name, "name"), checkNotNull(value, "value")); |
| return this; |
| } |
| |
| /** |
| * builds the environment file, by adding the following |
| * <ol> |
| * <li>example usage</li> |
| * <li>variable exports</li> |
| * <li>return statement</li> |
| * </ol> |
| * |
| * @param osFamily |
| * whether to write a cmd or bash script. |
| */ |
| public String build(final OsFamily osFamily) { |
| StringBuilder builder = new StringBuilder(); |
| builder.append(Utils.writeComment(" Env file: please do not confuse people by making this executable", osFamily)); |
| builder.append(Utils.writeComment("", osFamily)); |
| builder.append(Utils.writeComment(" Example usage to set a variable", osFamily)); |
| builder.append(Utils.writeComment("", osFamily)); |
| builder.append(Utils.writeComment(" " |
| + Utils.writeVariableExporters(ImmutableMap.of("MAVEN_OPTS", "-Xms64m -Xmx128m"), |
| osFamily), osFamily)); |
| builder.append(Utils.writeVariableExporters(variables, osFamily)); |
| builder.append(ShellToken.LF.to(osFamily)); |
| builder.append(Utils.writeComment( |
| " Please retain this statement so that the script can be validated", osFamily)); |
| builder.append(ShellToken.RETURN.to(osFamily)).append(" 0") |
| .append(ShellToken.LF.to(osFamily)); |
| return builder.toString(); |
| } |
| } |