| /******************************************************************************* |
| * Copyright (c) 2009, 2018 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.equinox.internal.p2.artifact.repository.simple; |
| |
| import java.util.Collections; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import org.eclipse.equinox.internal.p2.core.helpers.OrderedProperties; |
| import org.eclipse.equinox.p2.metadata.IArtifactKey; |
| import org.eclipse.equinox.p2.repository.artifact.IArtifactDescriptor; |
| import org.eclipse.equinox.p2.repository.artifact.spi.ArtifactDescriptor; |
| |
| public class SimpleArtifactDescriptor extends ArtifactDescriptor { |
| public static final String ARTIFACT_REFERENCE = "artifact.reference"; //$NON-NLS-1$ |
| |
| protected Map<String, String> repositoryProperties; |
| |
| public SimpleArtifactDescriptor(IArtifactKey key) { |
| super(key); |
| } |
| |
| public SimpleArtifactDescriptor(IArtifactDescriptor base) { |
| super(base); |
| } |
| |
| public String getRepositoryProperty(String propertyKey) { |
| return repositoryProperties != null ? repositoryProperties.get(propertyKey) : null; |
| } |
| |
| public void setRepositoryProperty(String key, String value) { |
| if (value == null) { |
| if (repositoryProperties != null) { |
| repositoryProperties.remove(key); |
| if (repositoryProperties.isEmpty()) { |
| repositoryProperties = null; |
| } |
| } |
| } else { |
| if (repositoryProperties == null) { |
| // first value => store in singletonMap (most repositoryProperties have at most 1 entry) |
| repositoryProperties = Collections.singletonMap(key.intern(), value); |
| } else { |
| // if current size is 1 then it is an immutable singletonMap |
| // => copy to mutable map for more entries |
| if (repositoryProperties.size() == 1) { |
| repositoryProperties = new OrderedProperties(repositoryProperties); |
| } |
| repositoryProperties.put(key, value); |
| } |
| } |
| } |
| |
| public void addRepositoryProperties(Map<String, String> additionalProperties) { |
| if (additionalProperties.isEmpty()) |
| return; |
| for (Entry<String, String> entry : additionalProperties.entrySet()) { |
| setRepositoryProperty(entry.getKey(), entry.getValue()); |
| } |
| } |
| |
| /** |
| * Returns a read-only collection of the repository properties of the artifact descriptor. |
| * @return the repository properties of this artifact descriptor. |
| */ |
| public Map<String, String> getRepositoryProperties() { |
| if (repositoryProperties == null) { |
| return Collections.<String, String> emptyMap(); |
| } |
| return OrderedProperties.unmodifiableProperties(repositoryProperties); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null || !(obj instanceof SimpleArtifactDescriptor)) |
| return false; |
| |
| SimpleArtifactDescriptor other = (SimpleArtifactDescriptor) obj; |
| |
| //Properties affecting SimpleArtifactRepository#getLocation |
| String locationProperty = getRepositoryProperty(ARTIFACT_REFERENCE); |
| String otherProperty = other.getRepositoryProperty(ARTIFACT_REFERENCE); |
| // want not null and the same, or both null |
| if (locationProperty != null ? !locationProperty.equals(otherProperty) : otherProperty != null) |
| return false; |
| |
| return super.equals(obj); |
| } |
| |
| @Override |
| public int hashCode() { |
| int superHash = super.hashCode(); |
| String ref = getRepositoryProperty(ARTIFACT_REFERENCE); |
| if (ref != null) |
| return 31 * superHash + ref.hashCode(); |
| return superHash; |
| } |
| } |