diff options
Diffstat (limited to 'bundles/org.eclipse.equinox.p2.touchpoint.natives/src/org/eclipse/equinox/internal/prov/touchpoint/natives/NativeTouchpoint.java')
| -rw-r--r-- | bundles/org.eclipse.equinox.p2.touchpoint.natives/src/org/eclipse/equinox/internal/prov/touchpoint/natives/NativeTouchpoint.java | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/bundles/org.eclipse.equinox.p2.touchpoint.natives/src/org/eclipse/equinox/internal/prov/touchpoint/natives/NativeTouchpoint.java b/bundles/org.eclipse.equinox.p2.touchpoint.natives/src/org/eclipse/equinox/internal/prov/touchpoint/natives/NativeTouchpoint.java new file mode 100644 index 000000000..0db12daa0 --- /dev/null +++ b/bundles/org.eclipse.equinox.p2.touchpoint.natives/src/org/eclipse/equinox/internal/prov/touchpoint/natives/NativeTouchpoint.java @@ -0,0 +1,178 @@ +/******************************************************************************* + * Copyright (c) 2007 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 + *******************************************************************************/ +package org.eclipse.equinox.internal.prov.touchpoint.natives; + +import java.io.File; +import java.net.URL; +import java.util.HashSet; +import java.util.Set; +import org.eclipse.core.runtime.IStatus; +import org.eclipse.core.runtime.Status; +import org.eclipse.equinox.prov.artifact.repository.*; +import org.eclipse.equinox.prov.core.helpers.ServiceHelper; +import org.eclipse.equinox.prov.core.location.AgentLocation; +import org.eclipse.equinox.prov.engine.*; +import org.eclipse.equinox.prov.metadata.*; +import org.mozilla.javascript.*; +import org.osgi.framework.Version; + +public class NativeTouchpoint implements ITouchpoint { + private final static String CONFIGURATION_DATA = "configurationData"; + private static final String ID = "org.eclipse.equinox.prov.touchpoint.natives"; //$NON-NLS-1$ + + private final Set supportedPhases = new HashSet(); //TODO This should probably come from XML + { + supportedPhases.add("collect"); + supportedPhases.add("install"); + supportedPhases.add("uninstall"); + } + + public boolean supports(String phaseId) { + return supportedPhases.contains(phaseId); + } + + public ITouchpointAction[] getActions(String phaseID, final Profile profile, final Operand operand) { + if (phaseID.equals("collect")) { + ITouchpointAction action = new ITouchpointAction() { + public Object execute() { + return collect(operand.second(), profile); + } + + public Object undo() { + return null; + } + }; + return new ITouchpointAction[] {action}; + } + + if (phaseID.equals("install")) { + ITouchpointAction action = new ITouchpointAction() { + public Object execute() { + return doInstall(operand.second(), profile); + } + + public Object undo() { + return doUninstall(operand.second(), profile); + } + }; + return new ITouchpointAction[] {action}; + } + if (phaseID.equals("uninstall")) { + ITouchpointAction action = new ITouchpointAction() { + public Object execute() { + return doUninstall(operand.first(), profile); + } + + public Object undo() { + return doInstall(operand.first(), profile); + } + }; + return new ITouchpointAction[] {action}; + } + + throw new IllegalStateException("The phase: " + phaseID + "should not have been dispatched here."); + } + + private IStatus doInstall(IInstallableUnit unitToInstall, Profile profile) { + //Get the cache + IArtifactRepository dlCache = getDownloadCacheRepo(); + if (unitToInstall.getArtifacts() == null || unitToInstall.getArtifacts().length == 0) + return Status.OK_STATUS; + + File fileLocation = new File(dlCache.getArtifact(unitToInstall.getArtifacts()[0])); + if (!fileLocation.exists()) + return new Status(IStatus.ERROR, ID, "The file is not available" + fileLocation.getAbsolutePath()); + + TouchpointData[] touchpointData = unitToInstall.getTouchpointData(); + Context cx = Context.enter(); + Scriptable scope = cx.initStandardObjects(); + ScriptableObject.putProperty(scope, "artifact", fileLocation.getAbsolutePath()); + ScriptableObject.putProperty(scope, "currentDir", getInstallFolder(profile)); + ScriptableObject.putProperty(scope, "Zip", new Zip()); + ScriptableObject.putProperty(scope, "Permissions", new Permissions()); + String[] configurationData = getInstructionsFor(CONFIGURATION_DATA, touchpointData); + for (int i = 0; i < configurationData.length; i++) { + try { + cx.evaluateString(scope, configurationData[i], unitToInstall.getId(), 1, null); + } catch (RuntimeException e) { + return new Status(IStatus.ERROR, Activator.ID, "Exception while executing " + configurationData[i], e); + } + } + return Status.OK_STATUS; + } + + private IStatus doUninstall(IInstallableUnit unitToInstall, Profile profile) { + // TODO: implement uninstall + return Status.OK_STATUS; + } + + private String[] getInstructionsFor(String key, TouchpointData[] data) { + String[] matches = new String[data.length]; + int count = 0; + for (int i = 0; i < data.length; i++) { + matches[count] = data[i].getInstructions(key); + if (matches[count] != null) + count++; + } + if (count == data.length) + return matches; + String[] result = new String[count]; + System.arraycopy(matches, 0, result, 0, count); + return result; + } + + public TouchpointType getTouchpointType() { + return new TouchpointType("native", new Version(1, 0, 0)); + } + + private IArtifactRequest[] collect(IInstallableUnit installableUnit, Profile profile) { + IWritableArtifactRepository destination = getDownloadCacheRepo(); + IArtifactKey[] toDownload = installableUnit.getArtifacts(); + if (toDownload == null) + return new IArtifactRequest[0]; + IArtifactRequest[] requests = new IArtifactRequest[toDownload.length]; + int count = 0; + for (int i = 0; i < toDownload.length; i++) { + //TODO Here there are cases where the download is not necessary again because what needs to be done is just a configuration step + requests[count++] = getArtifactRepositoryManager().createMirrorRequest(toDownload[i], destination); + } + + if (requests.length == count) + return requests; + IArtifactRequest[] result = new IArtifactRequest[count]; + System.arraycopy(requests, 0, result, 0, count); + return result; + } + + private String getInstallFolder(Profile profile) { + return profile.getValue(Profile.PROP_INSTALL_FOLDER); + } + + private IArtifactRepositoryManager getArtifactRepositoryManager() { + return (IArtifactRepositoryManager) ServiceHelper.getService(Activator.getContext(), IArtifactRepositoryManager.class.getName()); + } + + private IWritableArtifactRepository getDownloadCacheRepo() { + IArtifactRepository repo = getArtifactRepositoryManager().getRepository(getDownloadCacheLocation()); + IWritableArtifactRepository result = (IWritableArtifactRepository) repo.getAdapter(IWritableArtifactRepository.class); + if (result == null) + throw new IllegalStateException("Download cache is not writable: " + repo.getLocation()); //$NON-NLS-1$ + return result; + } + + private URL getDownloadCacheLocation() { + AgentLocation location = (AgentLocation) ServiceHelper.getService(Activator.getContext(), AgentLocation.class.getName()); + if (location == null) + return null; + return location.getArtifactRepositoryURL(); + } + +} |