org.gradle.api.internalivyservice.resolveengine.graph.builder.IncompatibleDependencyAttributesMessageBuilder Maven / Gradle / Ivy
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Gradle 5.5.1 API redistribution.
/*
* Copyright 2018 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.graph.builder;
import org.gradle.api.artifacts.component.ComponentSelector;
import org.gradle.api.artifacts.component.ModuleComponentSelector;
import org.gradle.api.attributes.Attribute;
import org.gradle.api.internal.attributes.AttributeMergingException;
import org.gradle.internal.component.model.DependencyMetadata;
import org.gradle.internal.logging.text.TreeFormatter;
import java.util.Set;
import static org.gradle.api.internal.artifacts.ivyservice.resolveengine.graph.builder.MessageBuilderHelper.pathTo;
class IncompatibleDependencyAttributesMessageBuilder {
static String buildMergeErrorMessage(ModuleResolveState module, AttributeMergingException e) {
Attribute attribute = e.getAttribute();
TreeFormatter fmt = new TreeFormatter();
fmt.node("Cannot select a variant of '" + module.getId());
fmt.append("' because different values for attribute '");
fmt.append(attribute.toString());
fmt.append("' are requested");
fmt.startChildren();
Set incomingEdges = module.getIncomingEdges();
incomingEdges.addAll(module.getUnattachedDependencies());
for (EdgeState incomingEdge : incomingEdges) {
SelectorState selector = incomingEdge.getSelector();
for (String path : pathTo(incomingEdge, false)) {
String requestedAttribute = formatAttributeQuery(selector, attribute);
fmt.node(path + " " + requestedAttribute);
}
}
fmt.endChildren();
return fmt.toString();
}
private static String formatAttributeQuery(SelectorState state, Attribute attribute) {
DependencyMetadata dependencyMetadata = state.getDependencyMetadata();
ComponentSelector selector = dependencyMetadata.getSelector();
if (selector instanceof ModuleComponentSelector) {
StringBuilder sb = new StringBuilder("wants '" + state.getRequested() + "' with attribute " + attribute.getName() + " = ");
sb.append(((ModuleComponentSelector) selector).getAttributes().getAttribute(attribute));
return sb.toString();
} else {
// This is a safety net, it's unsure whether this can happen, because it's likely (certain?)
// that for a specific module resolve state, all selectors are of the same type
return "doesn't provide any value for attribute " + attribute.getName();
}
}
}