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/*
* Copyright 2015 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.internal.component.model;
import com.google.common.base.Objects;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableList;
import org.gradle.api.artifacts.Dependency;
import org.gradle.api.artifacts.component.ComponentIdentifier;
import org.gradle.api.artifacts.component.ComponentSelector;
import org.gradle.api.attributes.AttributeContainer;
import org.gradle.api.capabilities.Capability;
import org.gradle.api.internal.attributes.AttributeContainerInternal;
import org.gradle.api.internal.attributes.AttributesSchemaInternal;
import org.gradle.api.internal.attributes.ImmutableAttributes;
import org.gradle.internal.component.IncompatibleConfigurationSelectionException;
import org.gradle.internal.exceptions.ConfigurationNotConsumableException;
import org.gradle.util.GUtil;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
public class LocalComponentDependencyMetadata implements LocalOriginDependencyMetadata {
private final ComponentIdentifier componentId;
private final ComponentSelector selector;
private final String moduleConfiguration;
private final String dependencyConfiguration;
private final List excludes;
private final List artifactNames;
private final boolean force;
private final boolean changing;
private final boolean transitive;
private final boolean constraint;
private final boolean fromLock;
private final String reason;
private final AttributeContainer moduleAttributes;
private final ImmutableAttributes dependencyAttributes;
public LocalComponentDependencyMetadata(ComponentIdentifier componentId,
ComponentSelector selector,
String moduleConfiguration,
AttributeContainer moduleAttributes,
AttributeContainer dependencyAttributes,
String dependencyConfiguration,
List artifactNames,
List excludes,
boolean force, boolean changing, boolean transitive, boolean constraint,
String reason) {
this(componentId, selector, moduleConfiguration, moduleAttributes, dependencyAttributes, dependencyConfiguration, artifactNames, excludes, force, changing, transitive, constraint, false, reason);
}
public LocalComponentDependencyMetadata(ComponentIdentifier componentId,
ComponentSelector selector,
String moduleConfiguration,
AttributeContainer moduleAttributes,
AttributeContainer dependencyAttributes,
String dependencyConfiguration,
List artifactNames,
List excludes,
boolean force, boolean changing, boolean transitive,
boolean constraint, boolean fromLock,
String reason) {
this.componentId = componentId;
this.selector = selector;
this.moduleConfiguration = moduleConfiguration;
this.moduleAttributes = moduleAttributes;
this.dependencyAttributes = ((AttributeContainerInternal)dependencyAttributes).asImmutable();
this.dependencyConfiguration = dependencyConfiguration;
this.artifactNames = asImmutable(artifactNames);
this.excludes = excludes;
this.force = force;
this.changing = changing;
this.transitive = transitive;
this.constraint = constraint;
this.fromLock = fromLock;
this.reason = reason;
}
private static List asImmutable(List artifactNames) {
return artifactNames.isEmpty() ? Collections.emptyList() : ImmutableList.copyOf(artifactNames);
}
@Override
public String toString() {
return "dependency: " + selector + " from-conf: " + moduleConfiguration + " to-conf: " + dependencyConfiguration;
}
@Override
public ComponentSelector getSelector() {
return selector;
}
@Override
public String getModuleConfiguration() {
return moduleConfiguration;
}
@Override
public String getDependencyConfiguration() {
return getOrDefaultConfiguration(dependencyConfiguration);
}
private static String getOrDefaultConfiguration(String configuration) {
return GUtil.elvis(configuration, Dependency.DEFAULT_CONFIGURATION);
}
/**
* Choose a single target configuration based on: a) the consumer attributes, b) the target configuration name and c) the target component
*
* Use attribute matching to choose a single variant when:
* - The target configuration name is not specified AND
* - Either: we have consumer attributes OR the target component has variants.
*
* Otherwise, revert to legacy selection of target configuration.
*
* @return A List containing a single `ConfigurationMetadata` representing the target variant.
*/
@Override
public List selectConfigurations(ImmutableAttributes consumerAttributes, ComponentResolveMetadata targetComponent, AttributesSchemaInternal consumerSchema, Collection explicitRequestedCapabilities) {
boolean consumerHasAttributes = !consumerAttributes.isEmpty();
Optional> targetVariants = targetComponent.getVariantsForGraphTraversal();
boolean useConfigurationAttributes = dependencyConfiguration == null && (consumerHasAttributes || targetVariants.isPresent());
if (useConfigurationAttributes) {
return ImmutableList.of(AttributeConfigurationSelector.selectConfigurationUsingAttributeMatching(consumerAttributes, explicitRequestedCapabilities, targetComponent, consumerSchema, getArtifacts()));
}
String targetConfiguration = GUtil.elvis(dependencyConfiguration, Dependency.DEFAULT_CONFIGURATION);
ConfigurationMetadata toConfiguration = targetComponent.getConfiguration(targetConfiguration);
if (toConfiguration == null) {
throw new ConfigurationNotFoundException(componentId, moduleConfiguration, targetConfiguration, targetComponent.getId());
}
if (!toConfiguration.isCanBeConsumed()) {
throw new ConfigurationNotConsumableException(targetComponent.toString(), toConfiguration.getName());
}
if (consumerHasAttributes && !toConfiguration.getAttributes().isEmpty()) {
// need to validate that the selected configuration still matches the consumer attributes
// Note that this validation only occurs when `dependencyConfiguration != null` (otherwise we would select with attribute matching)
AttributesSchemaInternal producerAttributeSchema = targetComponent.getAttributesSchema();
if (!consumerSchema.withProducer(producerAttributeSchema).isMatching(toConfiguration.getAttributes(), consumerAttributes)) {
throw new IncompatibleConfigurationSelectionException(consumerAttributes, consumerSchema.withProducer(producerAttributeSchema), targetComponent, targetConfiguration, targetVariants.isPresent());
}
}
return ImmutableList.of(toConfiguration);
}
@Override
public List getExcludes() {
return excludes;
}
@Override
public boolean isChanging() {
return changing;
}
@Override
public boolean isTransitive() {
return transitive;
}
@Override
public boolean isForce() {
return force;
}
@Override
public boolean isConstraint() {
return constraint;
}
@Override
public String getReason() {
return reason;
}
@Override
public List getArtifacts() {
return artifactNames;
}
@Override
public LocalOriginDependencyMetadata withTarget(ComponentSelector target) {
if (selector.equals(target)) {
return this;
}
return copyWithTarget(target);
}
@Override
public LocalOriginDependencyMetadata forced() {
if (force) {
return this;
}
return copyWithForce(true);
}
@Override
public boolean isFromLock() {
return fromLock;
}
@Override
public DependencyMetadata withReason(String reason) {
if (Objects.equal(reason, this.reason)) {
return this;
}
return copyWithReason(reason);
}
private LocalOriginDependencyMetadata copyWithTarget(ComponentSelector selector) {
return new LocalComponentDependencyMetadata(componentId, selector, moduleConfiguration, moduleAttributes, dependencyAttributes, dependencyConfiguration, artifactNames, excludes, force, changing, transitive, constraint, fromLock, reason);
}
private LocalOriginDependencyMetadata copyWithReason(String reason) {
return new LocalComponentDependencyMetadata(componentId, selector, moduleConfiguration, moduleAttributes, dependencyAttributes, dependencyConfiguration, artifactNames, excludes, force, changing, transitive, constraint, fromLock, reason);
}
private LocalOriginDependencyMetadata copyWithForce(boolean force) {
return new LocalComponentDependencyMetadata(componentId, selector, moduleConfiguration, moduleAttributes, dependencyAttributes, dependencyConfiguration, artifactNames, excludes, force, changing, transitive, constraint, fromLock, reason);
}
}