1 package io.guixer.logs;
2
3 import static com.google.common.base.Preconditions.checkNotNull;
4
5 import java.util.Date;
6 import java.util.List;
7 import java.util.Map;
8
9 import org.apache.commons.lang3.NotImplementedException;
10
11 import com.google.common.collect.Lists;
12
13 import net.avcompris.commons3.yaml.Yaml;
14
15 public abstract class GuixerYamlUtils {
16
17 public static Yaml bindSnakeYaml(
18 final Object o
19 ) {
20 checkNotNull(o, "o");
21
22 return new Yaml() {
23
24 @Override
25 public Iterable<Object> keys() {
26 throw new NotImplementedException();
27 }
28
29 @Override
30 public Iterable<String> keysAsStrings() {
31 throw new NotImplementedException();
32 }
33
34 @Override
35 public Iterable<Yaml> items() {
36 if (!(o instanceof List<?>)) {
37 throw new IllegalStateException("object should be a List, but was: " + o.getClass().getName());
38 }
39
40 final List<Yaml> items = Lists.newArrayList();
41
42 for (final Object i : (List<?>) o) {
43
44 items.add(bindSnakeYaml(i));
45 }
46
47 return items;
48 }
49
50 @Override
51 public boolean has(
52 final Object key
53 ) {
54 if (!(o instanceof Map<?, ?>)) {
55 throw new IllegalStateException("object should be a Map, but was: " + o.getClass().getName());
56 }
57
58 return ((Map<?, ?>) o).containsKey(key);
59 }
60
61 @Override
62 public Yaml get(
63 final Object key
64 ) {
65 if (!(o instanceof Map<?, ?>)) {
66 throw new IllegalStateException("object should be a Map, but was: " + o.getClass().getName());
67 }
68
69 return bindSnakeYaml(((Map<?, ?>) o).get(key));
70 }
71
72 @Override
73 public String asString() {
74 if (o instanceof String) {
75 return (String) o;
76 } else if (o instanceof Integer) {
77 return o.toString();
78 } else {
79 throw new NotImplementedException("o.class: " + o.getClass().getName());
80 }
81 }
82
83 @Override
84 public int asInt() {
85 if (o instanceof Integer) {
86 return (Integer) o;
87 } else {
88 throw new NotImplementedException("o.class: " + o.getClass().getName());
89 }
90 }
91
92 @Override
93 public long asLong() {
94 if (o instanceof Long) {
95 return (Long) o;
96 } else {
97 throw new NotImplementedException("o.class: " + o.getClass().getName());
98 }
99 }
100
101 @Override
102 public boolean asBoolean() {
103 throw new NotImplementedException();
104 }
105
106 @Override
107 public Date asDate() {
108 throw new NotImplementedException();
109 }
110
111 @Override
112 public boolean isBoolean() {
113 throw new NotImplementedException();
114 }
115
116 @Override
117 public boolean isString() {
118 throw new NotImplementedException();
119 }
120
121 @Override
122 public boolean isInt() {
123 throw new NotImplementedException();
124 }
125
126 @Override
127 public boolean isArray() {
128 throw new NotImplementedException();
129 }
130
131 @Override
132 public boolean isMap() {
133 throw new NotImplementedException();
134 }
135 };
136 }
137 }