/*
* 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.jvm.internal.resolve;
import com.google.common.base.Predicate;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Maps;
import org.gradle.api.Named;
import org.gradle.model.internal.manage.schema.ModelProperty;
import org.gradle.model.internal.manage.schema.ModelSchema;
import org.gradle.model.internal.manage.schema.StructSchema;
import org.gradle.model.internal.type.ModelType;
import org.gradle.platform.base.BinarySpec;
import org.gradle.platform.base.internal.VariantAspect;
import java.util.Collections;
import java.util.Map;
import java.util.Set;
public class DefaultVariantsMetaData implements VariantsMetaData {
private final Map<String, Object> variantCoordinates;
private final Set<String> allVariantAxes;
private final Set<String> nonNullVariantAxes;
private final Map<String, ModelType<?>> variantAxisTypes;
private DefaultVariantsMetaData(Map<String, Object> variantCoordinates, Map<String, ModelType<?>> variantAxisTypes) {
this.variantCoordinates = variantCoordinates;
this.allVariantAxes = variantCoordinates.keySet();
this.nonNullVariantAxes = ImmutableSet.copyOf(Maps.filterEntries(variantCoordinates, new Predicate<Map.Entry<String, Object>>() {
@Override
public boolean apply(Map.Entry<String, Object> input) {
return input.getValue()!=null;
}
}).keySet());
this.variantAxisTypes = variantAxisTypes;
}
public static VariantsMetaData extractFrom(BinarySpec binarySpec, ModelSchema<?> binarySpecSchema) {
Map<String, Object> variants = Maps.newLinkedHashMap();
ImmutableMap.Builder<String, ModelType<?>> dimensionTypesBuilder = ImmutableMap.builder();
if (binarySpecSchema instanceof StructSchema) {
VariantAspect variantAspect = ((StructSchema<?>) binarySpecSchema).getAspect(VariantAspect.class);
if (variantAspect != null) {
for (ModelProperty<?> property : variantAspect.getDimensions()) {
// note: it's not the role of this class to validate that the annotation is properly used, that
// is to say only on a getter returning String or a Named instance, so we trust the result of
// the call
Object value = property.getPropertyValue(binarySpec);
variants.put(property.getName(), value);
dimensionTypesBuilder.put(property.getName(), property.getType());
}
}
}
return new DefaultVariantsMetaData(Collections.unmodifiableMap(variants), dimensionTypesBuilder.build());
}
@Override
public Set<String> getDeclaredVariantAxes() {
return allVariantAxes;
}
@Override
public Set<String> getNonNullVariantAxes() {
return nonNullVariantAxes;
}
@Override
public String getValueAsString(String variantAxis) {
Object o = variantCoordinates.get(variantAxis);
if (o instanceof Named) {
return ((Named) o).getName();
}
if (o instanceof String) {
return (String) o;
}
return o == null ? null : o.toString();
}
@Override
@SuppressWarnings("unchecked")
public <T extends Named> T getValueAsType(Class<T> clazz, String variantAxis) {
return (T) variantCoordinates.get(variantAxis);
}
@Override
public ModelType<?> getVariantAxisType(String variantAxis) {
return variantAxisTypes.get(variantAxis);
}
}