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Package: Template$Aggregates
Template$Aggregates
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| lambda$toAggregates$0(String, List) |
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| toAggregates(String) |
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Coverage
1: /*
2: * *************************************************************************************************************************************************************
3: *
4: * NorthernWind - lightweight CMS
5: * http://tidalwave.it/projects/northernwind
6: *
7: * Copyright (C) 2011 - 2025 Tidalwave s.a.s. (http://tidalwave.it)
8: *
9: * *************************************************************************************************************************************************************
10: *
11: * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
12: * You may obtain a copy of the License at
13: *
14: * http://www.apache.org/licenses/LICENSE-2.0
15: *
16: * 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
17: * CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
18: *
19: * *************************************************************************************************************************************************************
20: *
21: * git clone https://bitbucket.org/tidalwave/northernwind-src
22: * git clone https://github.com/tidalwave-it/northernwind-src
23: *
24: * *************************************************************************************************************************************************************
25: */
26: package it.tidalwave.northernwind.core.model;
27:
28: import javax.annotation.Nonnull;
29: import java.util.ArrayList;
30: import java.util.HashMap;
31: import java.util.Iterator;
32: import java.util.List;
33: import java.util.Map;
34: import java.util.Optional;
35: import java.util.stream.Collector;
36: import java.util.stream.Stream;
37: import lombok.Getter;
38: import static java.util.Collections.emptyList;
39: import static java.util.stream.Collectors.*;
40:
41: /***************************************************************************************************************************************************************
42: *
43: * @author Fabrizio Giudici
44: *
45: **************************************************************************************************************************************************************/
46: public interface Template
47: {
48: /***********************************************************************************************************************************************************
49: *
50: **********************************************************************************************************************************************************/
51: public static class Aggregate
52: {
53: @Getter
54: private final Map<String, Object> map = new HashMap<>();
55:
56: /***************************************************************************************************************
57: *
58: **************************************************************************************************************/
59: @Nonnull
60: public static Aggregate of (@Nonnull final String name, @Nonnull final Object value)
61: {
62: return new Aggregate().with(name, value);
63: }
64:
65: /***************************************************************************************************************
66: *
67: **************************************************************************************************************/
68: @Nonnull
69: public static Aggregate of (@Nonnull final String name, @Nonnull final Optional<?> value)
70: {
71: return new Aggregate().with(name, value);
72: }
73:
74: /***************************************************************************************************************
75: *
76: **************************************************************************************************************/
77: @Nonnull
78: public Aggregate with (@Nonnull final String name, @Nonnull final Object value)
79: {
80: map.put(name, value);
81: return this;
82: }
83:
84: /***************************************************************************************************************
85: *
86: **************************************************************************************************************/
87: @Nonnull
88: public Aggregate with (@Nonnull final String name, @Nonnull final Optional<?> value)
89: {
90: value.ifPresent(v -> map.put(name, v));
91: return this;
92: }
93:
94: /***************************************************************************************************************
95: *
96: **************************************************************************************************************/
97: @Nonnull
98: public Optional<Object> get (@Nonnull final String name)
99: {
100: return Optional.ofNullable(map.get(name));
101: }
102:
103: /***************************************************************************************************************
104: *
105: **************************************************************************************************************/
106: @Override @Nonnull
107: public String toString()
108: {
109: return map.toString();
110: }
111: }
112:
113: /***********************************************************************************************************************************************************
114: *
115: **********************************************************************************************************************************************************/
116: public static class Aggregates implements Iterable<Aggregate>
117: {
118: public static final Aggregates EMPTY = new Aggregates("", emptyList());
119:
120: @Getter @Nonnull
121: private final String name;
122:
123: @Getter @SuppressWarnings("squid:S1700")
124: private final List<Aggregate> aggregates = new ArrayList<>();
125:
126: /***************************************************************************************************************
127: *
128: **************************************************************************************************************/
129: public Aggregates (@Nonnull final String name, @Nonnull final List<Aggregate> aggregates)
130: {
131: this.name = name;
132: this.aggregates.addAll(aggregates);
133: }
134:
135: /***************************************************************************************************************
136: *
137: **************************************************************************************************************/
138: public boolean isEmpty()
139: {
140: return aggregates.isEmpty();
141: }
142:
143: /***************************************************************************************************************
144: *
145: **************************************************************************************************************/
146: @Override @Nonnull
147: public String toString()
148: {
149: return String.format("{%s: %s}", name, aggregates);
150: }
151:
152: /***************************************************************************************************************
153: *
154: **************************************************************************************************************/
155: @Override @Nonnull
156: public Iterator<Aggregate> iterator()
157: {
158: return aggregates.iterator();
159: }
160:
161: /***************************************************************************************************************
162: *
163: **************************************************************************************************************/
164: @Nonnull
165: public Stream<Aggregate> stream()
166: {
167: return aggregates.stream();
168: }
169:
170: /***************************************************************************************************************
171: *
172: * Returns a {@link Collector} that produces an instance of {@link Aggregates} with the given name.
173: *
174: * @param name the name
175: * @return the collector
176: *
177: **************************************************************************************************************/
178: @Nonnull
179: public static Collector<Aggregate, ?, Aggregates> toAggregates (@Nonnull final String name)
180: {
181: return collectingAndThen(toList(), list -> new Aggregates(name, list));
182: }
183:
184: /***************************************************************************************************************
185: *
186: **************************************************************************************************************/
187: public int getSize()
188: {
189: return aggregates.size();
190: }
191: }
192:
193: /***********************************************************************************************************************************************************
194: *
195: **********************************************************************************************************************************************************/
196: public Template addAttribute (@Nonnull String name, @Nonnull Object value);
197:
198: /***********************************************************************************************************************************************************
199: *
200: **********************************************************************************************************************************************************/
201: @Nonnull
202: public String render (@Nonnull final Aggregates ... aggregatesSet);
203:
204: /***********************************************************************************************************************************************************
205: *
206: **********************************************************************************************************************************************************/
207: @Nonnull
208: public default String render (@Nonnull final List<Aggregates> aggregatesSet)
209: {
210: return render(aggregatesSet.toArray(new Aggregates[0]));
211: }
212: }