| /*=============================================================================# |
| # Copyright (c) 2012, 2018 Stephan Wahlbrink and others. |
| # |
| # This program and the accompanying materials are made available under the |
| # terms of the Eclipse Public License 2.0 which is available at |
| # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0 |
| # which is available at https://www.apache.org/licenses/LICENSE-2.0. |
| # |
| # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 |
| # |
| # Contributors: |
| # Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation |
| #=============================================================================*/ |
| |
| package org.eclipse.statet.r.core.pkgmanager; |
| |
| import java.util.List; |
| |
| import org.eclipse.statet.r.core.pkgmanager.IRLibPaths.Entry; |
| import org.eclipse.statet.r.core.renv.IRLibraryLocation; |
| |
| |
| public class RPkgActionHelper { |
| |
| |
| private final boolean sameLocation; |
| private final IRLibraryLocation defaultLocation; |
| |
| private final IRLibPaths rLibPaths; |
| |
| |
| public RPkgActionHelper(final boolean sameLocation, final IRLibraryLocation defaultLocation, |
| final IRLibPaths rLibPaths) { |
| this.sameLocation= sameLocation; |
| this.defaultLocation= defaultLocation; |
| this.rLibPaths= rLibPaths; |
| } |
| |
| |
| public void updateLocation(final RPkgAction.Install action) { |
| if (this.sameLocation) { |
| final IRPkgInfoAndData referencePkg= action.getReferencePkg(); |
| if (referencePkg != null) { |
| final IRLibraryLocation location= referencePkg.getLibraryLocation(); |
| final Entry entry= this.rLibPaths.getEntryByLocation(location); |
| if (entry != null && (entry.getAccess() & IRLibPaths.WRITABLE) == IRLibPaths.WRITABLE) { |
| action.setLibraryLocation(location); |
| } |
| return; |
| } |
| } |
| if (this.defaultLocation == null) { |
| throw new UnsupportedOperationException("missing default location"); |
| } |
| action.setLibraryLocation(this.defaultLocation); |
| } |
| |
| |
| public void update(final List<? extends RPkgAction.Install> actions) { |
| for (final RPkgAction.Install action : actions) { |
| updateLocation(action); |
| } |
| } |
| |
| |
| @Override |
| public int hashCode() { |
| int h= (this.defaultLocation != null) ? this.defaultLocation.hashCode() : 0; |
| if (this.sameLocation) { |
| h++; |
| } |
| return h; |
| } |
| |
| @Override |
| public boolean equals(final Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (!(obj instanceof RPkgActionHelper)) { |
| return false; |
| } |
| final RPkgActionHelper other= (RPkgActionHelper) obj; |
| return (((this.defaultLocation != null) ? this.defaultLocation.equals(other.defaultLocation) : null == other.defaultLocation) |
| && (this.sameLocation == other.sameLocation) ); |
| } |
| |
| } |