[1040] | 1 | // Copyright 2012 Georg-August-Universität Göttingen, Germany
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| 2 | //
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| 3 | // Licensed under the Apache License, Version 2.0 (the "License");
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| 4 | // you may not use this file except in compliance with the License.
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| 5 | // You may obtain a copy of the License at
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| 6 | //
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| 7 | // http://www.apache.org/licenses/LICENSE-2.0
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| 8 | //
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| 9 | // Unless required by applicable law or agreed to in writing, software
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| 10 | // distributed under the License is distributed on an "AS IS" BASIS,
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| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 12 | // See the License for the specific language governing permissions and
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| 13 | // limitations under the License.
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| 14 |
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[1030] | 15 | package de.ugoe.cs.autoquest.usability;
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| 16 |
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| 17 | import java.util.EnumSet;
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| 18 | import java.util.List;
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| 19 |
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| 20 | import com.google.common.base.Optional;
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| 21 | import com.google.common.base.Preconditions;
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| 22 | import com.google.common.collect.Lists;
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| 23 |
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| 24 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskTree;
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| 25 | import de.ugoe.cs.autoquest.usability.evaluation.result.UsabilityDefect;
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| 26 | import de.ugoe.cs.autoquest.usability.evaluation.rule.set.UsabilityRule;
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| 27 | import de.ugoe.cs.autoquest.usability.evaluation.rule.set.UsabilityRuleset;
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| 28 |
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[1040] | 29 | /**
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| 30 | * <p>
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| 31 | * TODO comment
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| 32 | * </p>
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| 33 | *
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| 34 | * @author Alexander Deicke
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| 35 | */
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[1030] | 36 | public class UsabilityEvaluationFacade {
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| 37 |
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[1040] | 38 | private UsabilityEvaluationFacade() {
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| 39 | // no instantiation allowed
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| 40 | }
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| 41 |
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| 42 | public static ExecuteUsabilityEvaluationStep applyUsabilityRuleset(UsabilityRuleset usabilityRuleset)
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| 43 | {
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| 44 | Preconditions.checkNotNull(usabilityRuleset);
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[1030] | 45 | return new ExecuteUsabilityEvaluationStep(usabilityRuleset);
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| 46 | }
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| 47 |
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| 48 | protected static class ExecuteUsabilityEvaluationStep {
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| 49 |
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[1040] | 50 | protected ExecuteUsabilityEvaluationStep(UsabilityRuleset usabilityRuleset) {
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| 51 | super();
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| 52 | this.usabilityRuleset = usabilityRuleset;
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| 53 | }
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| 54 |
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| 55 | private final UsabilityRuleset usabilityRuleset;
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| 56 |
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| 57 | public UsabilityEvaluationReport evaluateUsabilityOf(ITaskTree taskTree) {
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| 58 | Preconditions.checkNotNull(taskTree);
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| 59 | EnumSet<? extends UsabilityRule> evaluationRules = usabilityRuleset.evaluationRules();
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| 60 | List<UsabilityDefect> evaluationResults =
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| 61 | Lists.newArrayListWithCapacity(evaluationRules.size());
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| 62 | for (UsabilityRule usabilityRule : evaluationRules) {
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| 63 | Optional<UsabilityDefect> ruleEvaluationResult = usabilityRule.evaluate(taskTree);
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| 64 | if (ruleEvaluationResult.isPresent()) {
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| 65 | evaluationResults.add(ruleEvaluationResult.get());
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| 66 | }
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| 67 | }
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| 68 | return UsabilityEvaluationReport.from(evaluationResults);
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| 69 | }
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| 70 |
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[1030] | 71 | }
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| 72 |
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| 73 | }
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