org.eclipse.aether.util.artifact.OverlayArtifactTypeRegistry Maven / Gradle / Ivy
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Spring Cloud Contract Shaded Dependencies
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.eclipse.aether.util.artifact;
import org.eclipse.aether.artifact.ArtifactType;
import org.eclipse.aether.artifact.ArtifactTypeRegistry;
/**
* An artifact type registry which first consults its own mappings and in case of an unknown type falls back to another
* type registry.
*/
public final class OverlayArtifactTypeRegistry extends SimpleArtifactTypeRegistry {
private final ArtifactTypeRegistry delegate;
/**
* Creates a new artifact type registry with initially no registered artifact types and the specified fallback
* registry. Use {@link #add(ArtifactType)} to populate the registry.
*
* @param delegate The artifact type registry to fall back to, may be {@code null}.
*/
public OverlayArtifactTypeRegistry(ArtifactTypeRegistry delegate) {
this.delegate = delegate;
}
/**
* Adds the specified artifact type to the registry.
*
* @param type The artifact type to add, must not be {@code null}.
* @return This registry for chaining, never {@code null}.
*/
public OverlayArtifactTypeRegistry add(ArtifactType type) {
super.add(type);
return this;
}
public ArtifactType get(String typeId) {
ArtifactType type = super.get(typeId);
if (type == null && delegate != null) {
type = delegate.get(typeId);
}
return type;
}
}