Marc De Leenheer | 57a5af0 | 2016-12-02 20:54:41 -0800 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame^] | 2 | * Copyright 2017-present Open Networking Foundation |
Marc De Leenheer | 57a5af0 | 2016-12-02 20:54:41 -0800 | [diff] [blame] | 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
Yuta HIGUCHI | c635835 | 2017-06-23 11:56:27 -0700 | [diff] [blame] | 16 | package org.onosproject.tl1; |
Marc De Leenheer | 57a5af0 | 2016-12-02 20:54:41 -0800 | [diff] [blame] | 17 | |
| 18 | import java.util.Optional; |
| 19 | |
| 20 | import static com.google.common.base.Preconditions.checkArgument; |
| 21 | import static com.google.common.base.Preconditions.checkNotNull; |
| 22 | |
| 23 | /** |
| 24 | * Default implementation of a TL1 command. |
| 25 | */ |
| 26 | public final class DefaultTl1Command implements Tl1Command { |
| 27 | private static final char HYPHEN = '-'; |
| 28 | private static final char COLON = ':'; |
| 29 | private static final char SEMICOLON = ';'; |
| 30 | |
| 31 | private String verb; |
| 32 | private String modifier; |
| 33 | private Optional<String> tid; |
| 34 | private String aid; |
| 35 | private int ctag; |
| 36 | private String parameters; |
| 37 | |
| 38 | private DefaultTl1Command(String verb, String modifier, String tid, String aid, int ctag, String parameters) { |
| 39 | this.verb = verb; |
| 40 | this.modifier = modifier; |
| 41 | this.tid = Optional.ofNullable(tid); |
| 42 | this.aid = aid; |
| 43 | this.ctag = ctag; |
| 44 | this.parameters = parameters; |
| 45 | } |
| 46 | |
| 47 | @Override |
| 48 | public String verb() { |
| 49 | return verb; |
| 50 | } |
| 51 | |
| 52 | @Override |
| 53 | public String modifier() { |
| 54 | return modifier; |
| 55 | } |
| 56 | |
| 57 | @Override |
| 58 | public Optional<String> tid() { |
| 59 | return tid; |
| 60 | } |
| 61 | |
| 62 | @Override |
| 63 | public Optional<String> aid() { |
| 64 | return Optional.ofNullable(aid); |
| 65 | } |
| 66 | |
| 67 | @Override |
| 68 | public int ctag() { |
| 69 | return ctag; |
| 70 | } |
| 71 | |
| 72 | @Override |
| 73 | public Optional<String> parameters() { |
| 74 | return Optional.ofNullable(parameters); |
| 75 | } |
| 76 | |
| 77 | @Override |
| 78 | public String toString() { |
| 79 | StringBuilder sb = new StringBuilder() |
| 80 | .append(verb).append(HYPHEN) |
| 81 | .append(modifier).append(COLON) |
| 82 | .append(tid().orElse("")).append(COLON) |
| 83 | .append(aid().orElse("")).append(COLON) |
| 84 | .append(ctag); |
| 85 | |
| 86 | if (parameters().isPresent()) { |
| 87 | sb.append(COLON).append(COLON).append(parameters); |
| 88 | } |
| 89 | |
| 90 | return sb.append(SEMICOLON).toString(); |
| 91 | } |
| 92 | |
| 93 | public static Builder builder() { |
| 94 | return new Builder(); |
| 95 | } |
| 96 | |
| 97 | public static final class Builder implements Tl1Command.Builder { |
| 98 | private String verb; |
| 99 | private String modifier; |
| 100 | private String tid; |
| 101 | private String aid; |
| 102 | private int ctag; |
| 103 | private String parameters; |
| 104 | |
| 105 | @Override |
| 106 | public Tl1Command.Builder withVerb(String verb) { |
| 107 | this.verb = verb; |
| 108 | return this; |
| 109 | } |
| 110 | |
| 111 | @Override |
| 112 | public Tl1Command.Builder withModifier(String modifier) { |
| 113 | this.modifier = modifier; |
| 114 | return this; |
| 115 | } |
| 116 | |
| 117 | @Override |
| 118 | public Tl1Command.Builder forTid(String tid) { |
| 119 | this.tid = tid; |
| 120 | return this; |
| 121 | } |
| 122 | |
| 123 | @Override |
| 124 | public Tl1Command.Builder withAid(String aid) { |
| 125 | this.aid = aid; |
| 126 | return this; |
| 127 | } |
| 128 | |
| 129 | @Override |
| 130 | public Tl1Command.Builder withCtag(int ctag) { |
| 131 | this.ctag = ctag; |
| 132 | return this; |
| 133 | } |
| 134 | |
| 135 | @Override |
| 136 | public Tl1Command.Builder withParameters(String parameters) { |
| 137 | this.parameters = parameters; |
| 138 | return this; |
| 139 | } |
| 140 | |
| 141 | @Override |
| 142 | public Tl1Command build() { |
| 143 | checkNotNull(verb, "Must supply a verb"); |
| 144 | checkNotNull(modifier, "Must supply a modifier"); |
| 145 | |
| 146 | checkArgument(MIN_CTAG < ctag, "ctag cannot be less than " + MIN_CTAG); |
| 147 | checkArgument(ctag <= MAX_CTAG, "ctag cannot be larger than " + MAX_CTAG); |
| 148 | |
| 149 | return new DefaultTl1Command(verb, modifier, tid, aid, ctag, parameters); |
| 150 | } |
| 151 | } |
| 152 | } |