| /******************************************************************************* |
| * Copyright (c) 2007, 2008 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Genuitec, LLC - added license support |
| *******************************************************************************/ |
| package org.eclipse.equinox.internal.p2.metadata; |
| |
| import java.util.ArrayList; |
| import java.util.Map; |
| import org.eclipse.equinox.internal.p2.core.helpers.OrderedProperties; |
| import org.eclipse.equinox.internal.provisional.p2.core.Version; |
| import org.eclipse.equinox.internal.provisional.p2.metadata.*; |
| |
| public class InstallableUnit implements IInstallableUnit { |
| |
| private static final OrderedProperties NO_PROPERTIES = new OrderedProperties(); |
| private static final IProvidedCapability[] NO_PROVIDES = new IProvidedCapability[0]; |
| private static final IRequiredCapability[] NO_REQUIRES = new IRequiredCapability[0]; |
| private static final IArtifactKey[] NO_ARTIFACTS = new IArtifactKey[0]; |
| private static final ITouchpointData[] NO_TOUCHPOINT_DATA = new ITouchpointData[0]; |
| |
| private IArtifactKey[] artifacts = NO_ARTIFACTS; |
| private String filter; |
| |
| private String id; |
| |
| private OrderedProperties properties; |
| private OrderedProperties localizedProperties; |
| IProvidedCapability[] providedCapabilities = NO_PROVIDES; |
| private IRequiredCapability[] requires = NO_REQUIRES; |
| |
| private boolean singleton; |
| |
| private ArrayList touchpointData = null; |
| |
| private ITouchpointType touchpointType; |
| |
| private Version version; |
| |
| private IUpdateDescriptor updateInfo; |
| private ILicense license; |
| private ICopyright copyright; |
| |
| public InstallableUnit() { |
| super(); |
| } |
| |
| public void addTouchpointData(ITouchpointData newData) { |
| ensureTouchpointDataCapacity(1); |
| touchpointData.add(newData); |
| } |
| |
| public int compareTo(Object toCompareTo) { |
| if (!(toCompareTo instanceof IInstallableUnit)) { |
| return -1; |
| } |
| IInstallableUnit other = (IInstallableUnit) toCompareTo; |
| if (getId().compareTo(other.getId()) == 0) |
| return (getVersion().compareTo(other.getVersion())); |
| return getId().compareTo(other.getId()); |
| } |
| |
| private void ensureTouchpointDataCapacity(int size) { |
| if (touchpointData != null) { |
| touchpointData.ensureCapacity(size); |
| } else { |
| touchpointData = new ArrayList(size); |
| } |
| } |
| |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (!(obj instanceof IInstallableUnit)) |
| return false; |
| final IInstallableUnit other = (IInstallableUnit) obj; |
| if (id == null) { |
| if (other.getId() != null) |
| return false; |
| } else if (!id.equals(other.getId())) |
| return false; |
| if (getVersion() == null) { |
| if (other.getVersion() != null) |
| return false; |
| } else if (!getVersion().equals(other.getVersion())) |
| return false; |
| return true; |
| } |
| |
| public IArtifactKey[] getArtifacts() { |
| return artifacts; |
| } |
| |
| public String getFilter() { |
| return filter; |
| } |
| |
| public IInstallableUnitFragment[] getFragments() { |
| return null; |
| } |
| |
| public String getId() { |
| return id; |
| } |
| |
| /** |
| * Get an <i>unmodifiable copy</i> of the properties |
| * associated with the installable unit. |
| * |
| * @return an <i>unmodifiable copy</i> of the IU properties. |
| */ |
| public Map getProperties() { |
| return OrderedProperties.unmodifiableProperties(properties()); |
| } |
| |
| /* |
| * Helper method to cache localized properties |
| */ |
| public String getLocalizedProperty(String key) { |
| String result = null; |
| if (localizedProperties != null) |
| result = localizedProperties.getProperty(key); |
| return result; |
| } |
| |
| public String getProperty(String key) { |
| return properties().getProperty(key); |
| } |
| |
| public IProvidedCapability[] getProvidedCapabilities() { |
| return providedCapabilities; |
| } |
| |
| public IRequiredCapability[] getRequiredCapabilities() { |
| return requires; |
| |
| } |
| |
| public ITouchpointData[] getTouchpointData() { |
| return (touchpointData == null ? NO_TOUCHPOINT_DATA // |
| : (ITouchpointData[]) touchpointData.toArray(new ITouchpointData[touchpointData.size()])); |
| } |
| |
| public ITouchpointType getTouchpointType() { |
| return touchpointType != null ? touchpointType : ITouchpointType.NONE; |
| } |
| |
| public Version getVersion() { |
| return version; |
| } |
| |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + ((id == null) ? 0 : id.hashCode()); |
| result = prime * result + ((getVersion() == null) ? 0 : getVersion().hashCode()); |
| return result; |
| } |
| |
| public boolean isFragment() { |
| return false; |
| } |
| |
| public boolean isResolved() { |
| return false; |
| } |
| |
| public boolean isSingleton() { |
| return singleton; |
| } |
| |
| private OrderedProperties properties() { |
| return (properties != null ? properties : NO_PROPERTIES); |
| } |
| |
| public void setArtifacts(IArtifactKey[] value) { |
| if (value == null || value.length == 0) |
| artifacts = NO_ARTIFACTS; |
| else |
| artifacts = value; |
| } |
| |
| public void setCapabilities(IProvidedCapability[] newCapabilities) { |
| if (newCapabilities == null || newCapabilities.length == 0) |
| providedCapabilities = NO_PROVIDES; |
| else |
| providedCapabilities = newCapabilities; |
| } |
| |
| public void setFilter(String filter) { |
| this.filter = filter; |
| } |
| |
| public void setId(String id) { |
| this.id = id; |
| } |
| |
| /* |
| * Helper method to cache localized properties |
| */ |
| public String setLocalizedProperty(String key, String value) { |
| if (localizedProperties == null) |
| localizedProperties = new OrderedProperties(); |
| return (String) localizedProperties.put(key, value); |
| } |
| |
| public String setProperty(String key, String value) { |
| if (value == null) |
| return (properties != null ? (String) properties.remove(key) : null); |
| if (properties == null) |
| properties = new OrderedProperties(); |
| return (String) properties.setProperty(key, value); |
| } |
| |
| public void setRequiredCapabilities(IRequiredCapability[] capabilities) { |
| if (capabilities.length == 0) { |
| this.requires = NO_REQUIRES; |
| } else { |
| //copy array for safety |
| this.requires = (IRequiredCapability[]) capabilities.clone(); |
| } |
| } |
| |
| public void setSingleton(boolean singleton) { |
| this.singleton = singleton; |
| } |
| |
| public void setTouchpointType(ITouchpointType type) { |
| this.touchpointType = (type != ITouchpointType.NONE ? type : null); |
| } |
| |
| public void setVersion(Version newVersion) { |
| this.version = (newVersion != null ? newVersion : Version.emptyVersion); |
| } |
| |
| public String toString() { |
| return id + ' ' + getVersion(); |
| } |
| |
| public IInstallableUnit unresolved() { |
| return this; |
| } |
| |
| public IUpdateDescriptor getUpdateDescriptor() { |
| return updateInfo; |
| } |
| |
| public void setUpdateDescriptor(IUpdateDescriptor updateInfo) { |
| this.updateInfo = updateInfo; |
| } |
| |
| public void setLicense(ILicense license) { |
| this.license = license; |
| } |
| |
| public ILicense getLicense() { |
| return license; |
| } |
| |
| public void setCopyright(ICopyright copyright) { |
| this.copyright = copyright; |
| } |
| |
| public ICopyright getCopyright() { |
| return copyright; |
| } |
| |
| public boolean satisfies(IRequiredCapability candidate) { |
| IProvidedCapability[] provides = getProvidedCapabilities(); |
| for (int i = 0; i < provides.length; i++) |
| if (provides[i].satisfies(candidate)) |
| return true; |
| return false; |
| } |
| } |