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EitherExclusion.java
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EitherExclusion.java
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/*
* Copyright 2016 the original author or authors.
*
* Licensed 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.
*/
package org.gradle.api.internal.artifacts.ivyservice.resolveengine.excludes;
import org.gradle.api.artifacts.ModuleIdentifier;
import org.gradle.internal.component.model.IvyArtifactName;
import java.util.Collection;
/**
* A spec that excludes modules or artifacts that are excluded by _any_ of the supplied exclusions.
* As such, this is an intersection of the separate exclude rule filters.
*/
class EitherExclusion extends AbstractCompositeExclusion {
private final ImmutableModuleExclusionSet excludeSpecs;
private final boolean mergeable;
private Boolean excludesNoModules;
public EitherExclusion(ImmutableModuleExclusionSet specs) {
this.excludeSpecs = specs;
boolean canMerge = true;
for (AbstractModuleExclusion spec : specs) {
if (!canMerge(spec)) {
canMerge = false;
break;
}
}
mergeable = canMerge;
}
boolean canMerge() {
return mergeable;
}
ImmutableModuleExclusionSet getFilters() {
return excludeSpecs;
}
@Override
protected boolean excludesNoModules() {
if (excludesNoModules == null) {
// cache the result as we may be asked several times
excludesNoModules = doExcludeNoModules();
}
return excludesNoModules;
}
private boolean doExcludeNoModules() {
for (AbstractModuleExclusion excludeSpec : excludeSpecs) {
if (!excludeSpec.excludesNoModules()) {
return false;
}
}
return true;
}
public boolean excludeModule(ModuleIdentifier element) {
return excludeSpecs.excludesModule(element);
}
public boolean excludeArtifact(ModuleIdentifier module, IvyArtifactName artifact) {
return excludeSpecs.excludesArtifact(module, artifact);
}
public boolean mayExcludeArtifacts() {
for (AbstractModuleExclusion spec : excludeSpecs) {
if (spec.mayExcludeArtifacts()) {
return true;
}
}
return false;
}
/**
* Can unpack into constituents when creating a larger intersection (since elements are applied as an intersection).
* @param specs
*/
@Override
protected void unpackEither(Collection<AbstractModuleExclusion> specs) {
specs.addAll(excludeSpecs);
}
private static boolean canMerge(AbstractModuleExclusion excludeSpec) {
return excludeSpec instanceof ExcludeAllModulesSpec
|| excludeSpec instanceof ArtifactExcludeSpec
|| excludeSpec instanceof GroupNameExcludeSpec
|| excludeSpec instanceof ModuleNameExcludeSpec
|| excludeSpec instanceof ModuleIdExcludeSpec;
}
}