| 1 | /** |
| 2 | * Licensed to jclouds, Inc. (jclouds) under one or more |
| 3 | * contributor license agreements. See the NOTICE file |
| 4 | * distributed with this work for additional information |
| 5 | * regarding copyright ownership. jclouds licenses this file |
| 6 | * to you under the Apache License, Version 2.0 (the |
| 7 | * "License"); you may not use this file except in compliance |
| 8 | * with the License. You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, |
| 13 | * software distributed under the License is distributed on an |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | * KIND, either express or implied. See the License for the |
| 16 | * specific language governing permissions and limitations |
| 17 | * under the License. |
| 18 | */ |
| 19 | package org.jclouds.scriptbuilder.domain; |
| 20 | |
| 21 | import static com.google.common.base.Preconditions.checkNotNull; |
| 22 | |
| 23 | import java.util.List; |
| 24 | |
| 25 | import com.google.common.collect.ImmutableList; |
| 26 | import com.google.common.collect.ImmutableList.Builder; |
| 27 | |
| 28 | /** |
| 29 | * Statements used in a shell script |
| 30 | * |
| 31 | * @author Adrian Cole |
| 32 | */ |
| 33 | public class StatementList implements Statement, AcceptsStatementVisitor { |
| 34 | |
| 35 | public final List<Statement> statements; |
| 36 | |
| 37 | public StatementList(Statement... statements) { |
| 38 | this.statements = ImmutableList.copyOf(checkNotNull(statements, "statements")); |
| 39 | } |
| 40 | |
| 41 | public StatementList(Iterable<Statement> statements) { |
| 42 | this.statements = ImmutableList.copyOf(checkNotNull(statements, "statements")); |
| 43 | } |
| 44 | |
| 45 | public String render(OsFamily family) { |
| 46 | StringBuilder statementsBuilder = new StringBuilder(); |
| 47 | for (Statement statement : statements) { |
| 48 | statementsBuilder.append(statement.render(family)); |
| 49 | } |
| 50 | return statementsBuilder.toString(); |
| 51 | } |
| 52 | |
| 53 | @Override |
| 54 | public Iterable<String> functionDependencies(OsFamily family) { |
| 55 | Builder<String> functions = ImmutableList.<String> builder(); |
| 56 | for (Statement statement : statements) { |
| 57 | functions.addAll(statement.functionDependencies(family)); |
| 58 | } |
| 59 | return functions.build(); |
| 60 | } |
| 61 | |
| 62 | @Override |
| 63 | public int hashCode() { |
| 64 | final int prime = 31; |
| 65 | int result = 1; |
| 66 | result = prime * result + ((statements == null) ? 0 : statements.hashCode()); |
| 67 | return result; |
| 68 | } |
| 69 | |
| 70 | @Override |
| 71 | public boolean equals(Object obj) { |
| 72 | if (this == obj) |
| 73 | return true; |
| 74 | if (obj == null) |
| 75 | return false; |
| 76 | if (getClass() != obj.getClass()) |
| 77 | return false; |
| 78 | StatementList other = (StatementList) obj; |
| 79 | if (statements == null) { |
| 80 | if (other.statements != null) |
| 81 | return false; |
| 82 | } else if (!statements.equals(other.statements)) |
| 83 | return false; |
| 84 | return true; |
| 85 | } |
| 86 | |
| 87 | @Override |
| 88 | public void accept(StatementVisitor visitor) { |
| 89 | for (Statement statement : statements) { |
| 90 | visitor.visit(statement); |
| 91 | } |
| 92 | } |
| 93 | } |