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Package: NonInteractiveInputProvider
NonInteractiveInputProvider
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| NonInteractiveInputProvider() |
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| fixedBoolean(String, Boolean) |
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| fixedInteger(String, Integer) |
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| fixedObject(String, Object) |
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| fixedString(String, String) |
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| getNext(Map) |
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| needBoolean(String, String, Optional, Validator[]) |
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| needInteger(String, String, Optional, Validator[]) |
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| needObject(String, String, Optional, Set) |
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| needString(String, String, Optional, Validator[]) |
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| requestData(String) |
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Coverage
1: /*
2: * Copyright © 2020 Fachhochschule für die Wirtschaft (FHDW) Hannover
3: *
4: * This file is part of gaming-core.
5: *
6: * Gaming-core is free software: you can redistribute it and/or modify it under
7: * the terms of the GNU General Public License as published by the Free Software
8: * Foundation, either version 3 of the License, or (at your option) any later
9: * version.
10: *
11: * Gaming-core is distributed in the hope that it will be useful, but WITHOUT
12: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
13: * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
14: * details.
15: *
16: * You should have received a copy of the GNU General Public License along with
17: * gaming-core. If not, see <http://www.gnu.org/licenses/>.
18: */
19: package de.fhdw.gaming.core.ui.util;
20:
21: import java.util.LinkedHashMap;
22: import java.util.Map;
23: import java.util.Optional;
24: import java.util.Set;
25:
26: import de.fhdw.gaming.core.domain.GameBuilder;
27: import de.fhdw.gaming.core.ui.InputProvider;
28: import de.fhdw.gaming.core.ui.InputProviderException;
29: import de.fhdw.gaming.core.ui.type.BooleanFieldType;
30: import de.fhdw.gaming.core.ui.type.FieldType;
31: import de.fhdw.gaming.core.ui.type.IntegerFieldType;
32: import de.fhdw.gaming.core.ui.type.ObjectFieldType;
33: import de.fhdw.gaming.core.ui.type.StringFieldType;
34: import de.fhdw.gaming.core.ui.type.validator.Validator;
35:
36: /**
37: * A non-interactive {@link InputProvider} implementation returning predefined data only.
38: * <p>
39: * Unlike interactive input providers, it is possible to create chains of {@link NonInteractiveInputProvider}s in
40: * advance. This is helpful e.g. when creating a {@link GameBuilder}, as building a game requires parameters for the
41: * game as a whole as well as parameters for each participating player. Each parameter set is expected to be returned by
42: * a separate {@link InputProvider}.
43: */
44: public final class NonInteractiveInputProvider implements InputProvider {
45:
46: /**
47: * The provided data.
48: */
49: private final Map<String, Object> providedData;
50: /**
51: * The needed data.
52: */
53: private final Map<String, FieldType<?>> neededData;
54:
55: /**
56: * Creates a {@link NonInteractiveInputProvider}.
57: */
58: public NonInteractiveInputProvider() {
59: this.providedData = new LinkedHashMap<>();
60: this.neededData = new LinkedHashMap<>();
61: }
62:
63: @Override
64: @SafeVarargs
65: public final NonInteractiveInputProvider needString(final String id, final String prompt,
66: final Optional<String> defaultValue, final Validator<String>... validators) {
67:
68: this.neededData.put(id, new StringFieldType(defaultValue).validateBy(validators));
69: return this;
70: }
71:
72: @Override
73: public NonInteractiveInputProvider fixedString(final String id, final String fixedValue) {
74: this.providedData.put(id, fixedValue);
75: return this;
76: }
77:
78: @Override
79: @SafeVarargs
80: public final NonInteractiveInputProvider needInteger(final String id, final String prompt,
81: final Optional<Integer> defaultValue, final Validator<Integer>... validators) {
82:
83: this.neededData.put(id, new IntegerFieldType(defaultValue).validateBy(validators));
84: return this;
85: }
86:
87: @Override
88: public NonInteractiveInputProvider fixedInteger(final String id, final Integer fixedValue) {
89: this.providedData.put(id, fixedValue);
90: return this;
91: }
92:
93: @Override
94: @SafeVarargs
95: public final NonInteractiveInputProvider needBoolean(final String id, final String prompt,
96: final Optional<Boolean> defaultValue, final Validator<Boolean>... validators) {
97:
98: this.neededData.put(id, new BooleanFieldType(defaultValue).validateBy(validators));
99: return this;
100: }
101:
102: @Override
103: public NonInteractiveInputProvider fixedBoolean(final String id, final Boolean fixedValue) {
104: this.providedData.put(id, fixedValue);
105: return this;
106: }
107:
108: @Override
109: public InputProvider needObject(final String id, final String prompt, final Optional<Object> defaultValue,
110: final Set<? extends Object> objectSet) {
111:
112: this.neededData.put(id, new ObjectFieldType(defaultValue, objectSet));
113: return this;
114: }
115:
116: @Override
117: public InputProvider fixedObject(final String id, final Object fixedValue) {
118: this.providedData.put(id, fixedValue);
119: return this;
120: }
121:
122: /**
123: * {@inheritDoc}
124: * <p>
125: * Note that if no predefined value is available for a given field, {@code null} is stored.
126: */
127: @Override
128: public Map<String, Object> requestData(final String title) throws InputProviderException {
129: final Map<String, Object> result = new LinkedHashMap<>();
130:• for (final Map.Entry<String, FieldType<?>> entry : this.neededData.entrySet()) {
131: final FieldType<?> fieldType = entry.getValue();
132: result.put(
133: entry.getKey(),
134: this.providedData.getOrDefault(entry.getKey(), fieldType.getDefaultValue().orElse(null)));
135: }
136:
137: return result;
138: }
139:
140: @Override
141: public InputProvider getNext(final Map<String, Object> lastDataSet) {
142: return new NonInteractiveInputProvider();
143: }
144: }