gradle-master/subprojects/dependency-management/src/main/java/org/gradle/api/internal/attributes/ImmutableAttributeContainerWithErrorMessage.java
/*
 * Copyright 2017 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.attributes;

import org.gradle.api.Describable;
import org.gradle.api.attributes.Attribute;
import org.gradle.api.attributes.AttributeContainer;
import org.gradle.api.provider.Provider;

import javax.annotation.Nullable;
import java.util.Map;
import java.util.Set;

public class ImmutableAttributeContainerWithErrorMessage implements AttributeContainerInternal {
    private final AttributeContainerInternal delegate;
    private final Describable owner;

    public ImmutableAttributeContainerWithErrorMessage(AttributeContainerInternal delegate, Describable owner) {
        this.delegate = delegate;
        this.owner = owner;
    }

    @Override
    public String toString() {
        return delegate.toString();
    }

    @Override
    public ImmutableAttributes asImmutable() {
        return delegate.asImmutable();
    }

    @Override
    public Map<Attribute<?>, ?> asMap() {
        return delegate.asMap();
    }

    @Override
    public Set<Attribute<?>> keySet() {
        return delegate.keySet();
    }

    @Override
    public <T> AttributeContainer attribute(Attribute<T> key, T value) {
        throw new IllegalArgumentException(String.format("Cannot change attributes of dependency %s after it has been resolved", owner.getDisplayName()));
    }

    @Override
    public <T> AttributeContainer attributeProvider(Attribute<T> key, Provider<? extends T> provider) {
        throw new IllegalArgumentException(String.format("Cannot change attributes of dependency %s after it has been resolved", owner.getDisplayName()));
    }

    @Nullable
    @Override
    public <T> T getAttribute(Attribute<T> key) {
        return delegate.getAttribute(key);
    }

    @Override
    public boolean isEmpty() {
        return delegate.isEmpty();
    }

    @Override
    public boolean contains(Attribute<?> key) {
        return delegate.contains(key);
    }

    @Override
    public AttributeContainer getAttributes() {
        return delegate.getAttributes();
    }
}
