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Diffstat (limited to 'framework/src/maven/apache-maven-3.3.3/maven-model-builder/src/main/java/org/apache/maven/model/building/Result.java')
| -rw-r--r-- | framework/src/maven/apache-maven-3.3.3/maven-model-builder/src/main/java/org/apache/maven/model/building/Result.java | 255 |
1 files changed, 0 insertions, 255 deletions
diff --git a/framework/src/maven/apache-maven-3.3.3/maven-model-builder/src/main/java/org/apache/maven/model/building/Result.java b/framework/src/maven/apache-maven-3.3.3/maven-model-builder/src/main/java/org/apache/maven/model/building/Result.java deleted file mode 100644 index a9628977..00000000 --- a/framework/src/maven/apache-maven-3.3.3/maven-model-builder/src/main/java/org/apache/maven/model/building/Result.java +++ /dev/null @@ -1,255 +0,0 @@ -package org.apache.maven.model.building; - -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * 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 CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -import static com.google.common.base.Predicates.in; -import static com.google.common.collect.Iterables.any; -import static com.google.common.collect.Iterables.concat; -import static com.google.common.collect.Iterables.transform; -import static java.util.Collections.singleton; -import static java.util.EnumSet.of; -import static org.apache.maven.model.building.ModelProblem.Severity.ERROR; -import static org.apache.maven.model.building.ModelProblem.Severity.FATAL; - -import java.util.Arrays; -import java.util.Collections; - -import org.apache.maven.model.building.ModelProblem.Severity; - -import com.google.common.base.Function; -import com.google.common.base.Predicates; -import com.google.common.collect.Iterables; - -/** - * There are various forms of results that are represented by this class: - * <ol> - * <li>success - in which case only the model field is set - * <li>success with warnings - model field + non-error model problems - * <li>error - no model, but diagnostics - * <li>error - (partial) model and diagnostics - * </ol> - * Could encode these variants as subclasses, but kept in one for now - * - * @author bbusjaeger - * @param <T> - */ -public class Result<T> -{ - - /** - * Success without warnings - * - * @param model - * @return - */ - public static <T> Result<T> success( T model ) - { - return success( model, Collections.<ModelProblem>emptyList() ); - } - - /** - * Success with warnings - * - * @param model - * @param problems - * @return - */ - public static <T> Result<T> success( T model, Iterable<? extends ModelProblem> problems ) - { - assert !hasErrors( problems ); - return new Result<T>( false, model, problems ); - } - - /** - * Success with warnings - * - * @param model - * @param results - * @return - */ - public static <T> Result<T> success( T model, Result<?>... results ) - { - return success( model, Iterables.concat( Iterables.transform( Arrays.asList( results ), GET_PROBLEMS ) ) ); - } - - /** - * Error with problems describing the cause - * - * @param problems - * @return - */ - public static <T> Result<T> error( Iterable<? extends ModelProblem> problems ) - { - return error( null, problems ); - } - - public static <T> Result<T> error( T model ) - { - return error( model, Collections.<ModelProblem>emptyList() ); - } - - public static <T> Result<T> error( Result<?> result ) - { - return error( result.getProblems() ); - } - - public static <T> Result<T> error( Result<?>... results ) - { - return error( Iterables.concat( Iterables.transform( Arrays.asList( results ), GET_PROBLEMS ) ) ); - } - - /** - * Error with partial result and problems describing the cause - * - * @param model - * @param problems - * @return - */ - public static <T> Result<T> error( T model, Iterable<? extends ModelProblem> problems ) - { - return new Result<T>( true, model, problems ); - } - - /** - * New result - determine whether error or success by checking problems for errors - * - * @param model - * @param problems - * @return - */ - public static <T> Result<T> newResult( T model, Iterable<? extends ModelProblem> problems ) - { - return new Result<T>( hasErrors( problems ), model, problems ); - } - - /** - * New result consisting of given result and new problem. Convenience for newResult(result.get(), - * concat(result.getProblems(),problems)). - * - * @param result - * @param problem - * @return - */ - public static <T> Result<T> addProblem( Result<T> result, ModelProblem problem ) - { - return addProblems( result, singleton( problem ) ); - } - - /** - * New result that includes the given - * - * @param result - * @param problems - * @return - */ - public static <T> Result<T> addProblems( Result<T> result, Iterable<? extends ModelProblem> problems ) - { - return new Result<T>( result.hasErrors() || hasErrors( problems ), result.get(), concat( result.getProblems(), - problems ) ); - } - - public static <T> Result<T> addProblems( Result<T> result, Result<?>... results ) - { - return addProblems( result, Iterables.concat( Iterables.transform( Arrays.asList( results ), GET_PROBLEMS ) ) ); - } - - /** - * Turns the given results into a single result by combining problems and models into single collection. - * - * @param results - * @return - */ - public static <T> Result<Iterable<T>> newResultSet( Iterable<? extends Result<? extends T>> results ) - { - final boolean hasErrors = any( transform( results, new Function<Result<?>, Boolean>() - { - @Override - public Boolean apply( Result<?> input ) - { - return input.hasErrors(); - } - } ), Predicates.equalTo( true ) ); - final Iterable<T> models = transform( results, new Function<Result<? extends T>, T>() - { - @Override - public T apply( Result<? extends T> input ) - { - return input.get(); - } - } ); - final Iterable<ModelProblem> problems = concat( transform( results, GET_PROBLEMS ) ); - return new Result<Iterable<T>>( hasErrors, models, problems ); - } - - // helper to determine if problems contain error - private static boolean hasErrors( Iterable<? extends ModelProblem> problems ) - { - return any( transform( problems, new Function<ModelProblem, Severity>() - { - @Override - public Severity apply( ModelProblem input ) - { - return input.getSeverity(); - } - } ), in( of( ERROR, FATAL ) ) ); - } - - /** - * Class definition - */ - - private final boolean errors; - - private final T value; - - private final Iterable<? extends ModelProblem> problems; - - private Result( boolean errors, T model, Iterable<? extends ModelProblem> problems ) - { - this.errors = errors; - this.value = model; - this.problems = problems; - } - - public Iterable<? extends ModelProblem> getProblems() - { - return problems; - } - - public T get() - { - return value; - } - - public boolean hasErrors() - { - return errors; - } - - private static final Function<Result<?>, Iterable<? extends ModelProblem>> GET_PROBLEMS = - new Function<Result<?>, Iterable<? extends ModelProblem>>() - { - @Override - public Iterable<? extends ModelProblem> apply( Result<?> input ) - { - return input.getProblems(); - } - }; -}
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