| /******************************************************************************* |
| * Copyright (c) 2007, 2015 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 |
| * Red Hat Inc. - Fix compiler problems from generified IAdaptable#getAdapter |
| *******************************************************************************/ |
| package org.eclipse.equinox.internal.p2.ui.model; |
| |
| import java.util.Collection; |
| import java.util.Objects; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.equinox.internal.p2.ui.*; |
| import org.eclipse.equinox.p2.metadata.IInstallableUnit; |
| import org.eclipse.equinox.p2.metadata.IRequirement; |
| import org.eclipse.equinox.p2.metadata.MetadataFactory.InstallableUnitDescription; |
| |
| /** |
| * Element wrapper class for installed IU's. Used instead of the plain IU when |
| * there should be a parent profile available for operations. |
| * |
| * @since 3.4 |
| */ |
| public class InstalledIUElement extends QueriedElement implements IIUElement { |
| |
| String profileId; |
| IInstallableUnit iu; |
| boolean isPatch = false; |
| |
| public InstalledIUElement(Object parent, String profileId, IInstallableUnit iu) { |
| super(parent); |
| this.profileId = profileId; |
| this.iu = iu; |
| this.isPatch = iu == null ? false : Boolean.valueOf(iu.getProperty(InstallableUnitDescription.PROP_TYPE_PATCH)); |
| } |
| |
| @Override |
| protected String getImageId(Object obj) { |
| return isPatch ? ProvUIImages.IMG_PATCH_IU : ProvUIImages.IMG_IU; |
| } |
| |
| @Override |
| public String getLabel(Object o) { |
| return iu.getId(); |
| } |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| public <T> T getAdapter(Class<T> adapter) { |
| if (adapter == IInstallableUnit.class) |
| return (T) iu; |
| return super.getAdapter(adapter); |
| } |
| |
| public String getProfileId() { |
| return profileId; |
| } |
| |
| @Override |
| public IInstallableUnit getIU() { |
| return iu; |
| } |
| |
| // TODO Later we might consider showing this in the installed views, |
| // but it is less important than before install. |
| @Override |
| public long getSize() { |
| return ProvUI.SIZE_UNKNOWN; |
| } |
| |
| @Override |
| public boolean shouldShowSize() { |
| return false; |
| } |
| |
| @Override |
| public void computeSize(IProgressMonitor monitor) { |
| // Should never be called, as long as shouldShowSize() returns false |
| } |
| |
| @Override |
| public boolean shouldShowVersion() { |
| return true; |
| } |
| |
| @Override |
| public Collection<IRequirement> getRequirements() { |
| return iu.getRequirements(); |
| } |
| |
| @Override |
| protected int getDefaultQueryType() { |
| return QueryProvider.INSTALLED_IUS; |
| } |
| |
| @Override |
| public boolean shouldShowChildren() { |
| // Check that no parent has the same IU as this parent. |
| // That would lead to a cycle and induce an infinite tree. |
| // See https://bugs.eclipse.org/bugs/show_bug.cgi?id=550265 |
| for (Object parent = getParent(this); parent instanceof InstalledIUElement;) { |
| InstalledIUElement installedIUElement = (InstalledIUElement) parent; |
| if (Objects.equals(iu, installedIUElement.getIU())) { |
| return false; |
| } |
| parent = installedIUElement.getParent(installedIUElement); |
| } |
| return true; |
| } |
| |
| @Override |
| public Object[] getChildren(Object o) { |
| if (shouldShowChildren()) { |
| // Only show children if that would not induce a cycle. |
| return super.getChildren(o); |
| } |
| |
| return new Object[0]; |
| } |
| |
| @Override |
| protected Object[] getFilteredChildren(Collection<?> results) { |
| // Given the equality definition, a child cannot be equal to a sibling of this |
| // because the child has a different parent. |
| return results.toArray(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (!(obj instanceof InstalledIUElement)) |
| return false; |
| if (iu == null) |
| return false; |
| if (!iu.equals(((InstalledIUElement) obj).getIU())) |
| return false; |
| |
| Object parent = getParent(this); |
| Object objParent = ((InstalledIUElement) obj).getParent(obj); |
| if (parent == this) |
| return objParent == obj; |
| else if (parent != null && objParent != null) |
| return parent.equals(objParent); |
| else if (parent == null && objParent == null) |
| return true; |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| if (iu == null) |
| return 0; |
| return iu.hashCode(); |
| } |
| |
| @Override |
| public String toString() { |
| if (iu == null) |
| return "NULL"; //$NON-NLS-1$ |
| return iu.toString(); |
| } |
| |
| } |