| /******************************************************************************* |
| * Copyright (c) 2000, 2013 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.pde.internal.build; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.URI; |
| import java.net.URL; |
| import java.util.*; |
| import org.eclipse.core.runtime.*; |
| import org.eclipse.equinox.p2.core.*; |
| import org.eclipse.osgi.service.resolver.*; |
| import org.osgi.framework.*; |
| |
| public class BundleHelper { |
| private Bundle bundle; |
| private BundleContext context; |
| private static BundleHelper defaultInstance; |
| private boolean debug = false; |
| private ILog log = null; |
| |
| public static BundleHelper getDefault() { |
| return defaultInstance; |
| } |
| |
| static void close() { |
| if (defaultInstance != null) { |
| defaultInstance.context = null; |
| defaultInstance.bundle = null; |
| defaultInstance = null; |
| } |
| } |
| |
| BundleHelper(BundleContext context) throws RuntimeException { |
| if (defaultInstance != null) |
| throw new RuntimeException("Can not instantiate bundle helper"); //$NON-NLS-1$ |
| this.context = context; |
| defaultInstance = this; |
| bundle = context.getBundle(); |
| debug = "true".equalsIgnoreCase(Platform.getDebugOption(IPDEBuildConstants.PI_PDEBUILD + "/debug")); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| |
| public final URL find(IPath path) { |
| return FileLocator.find(bundle, path, null); |
| } |
| |
| public final URL find(IPath path, Map<String, String> override) { |
| return FileLocator.find(bundle, path, override); |
| } |
| |
| public final ILog getLog() { |
| if (log == null) |
| return Platform.getLog(bundle); |
| return log; |
| } |
| |
| public final IPath getStateLocation() throws IllegalStateException { |
| return Platform.getStateLocation(getDefault().bundle); |
| } |
| |
| public final InputStream openStream(IPath file) throws IOException { |
| return FileLocator.openStream(bundle, file, false); |
| } |
| |
| public final InputStream openStream(IPath file, boolean localized) throws IOException { |
| return FileLocator.openStream(bundle, file, localized); |
| } |
| |
| @Override |
| public String toString() { |
| return bundle.getSymbolicName(); |
| } |
| |
| public Bundle getBundle() { |
| return bundle; |
| } |
| |
| public IProvisioningAgent getProvisioningAgent(URI location) { |
| //Is there already an agent for this location? |
| String filter = "(locationURI=" + String.valueOf(location) + ")"; //$NON-NLS-1$//$NON-NLS-2$ |
| ServiceReference<?>[] serviceReferences = null; |
| try { |
| serviceReferences = context.getServiceReferences(IProvisioningAgent.SERVICE_NAME, filter); |
| if (serviceReferences != null) { |
| return (IProvisioningAgent) context.getService(serviceReferences[0]); |
| } |
| } catch (InvalidSyntaxException e) { |
| // ignore |
| } finally { |
| if (serviceReferences != null) |
| context.ungetService(serviceReferences[0]); |
| } |
| |
| IProvisioningAgentProvider provider = (IProvisioningAgentProvider) acquireService(IProvisioningAgentProvider.SERVICE_NAME); |
| try { |
| return provider.createAgent(location); |
| } catch (ProvisionException e) { |
| return null; |
| } |
| } |
| |
| public Object acquireService(String serviceName) { |
| ServiceReference<?> reference = context.getServiceReference(serviceName); |
| if (reference == null) |
| return null; |
| return context.getService(reference); |
| } |
| |
| public boolean isDebugging() { |
| return debug; |
| } |
| |
| public Filter createFilter(String filter) { |
| try { |
| return context.createFilter(filter); |
| } catch (InvalidSyntaxException e) { |
| //Ignore, this has been caught when resolving the state. |
| return null; |
| } |
| } |
| |
| public Filter getFilter(BundleDescription bundleDescription) { |
| if (bundleDescription == null) |
| return null; |
| |
| String platformFilter = bundleDescription.getPlatformFilter(); |
| String nativeFilter = null; |
| |
| NativeCodeSpecification nativeCodeSpec = bundleDescription.getNativeCodeSpecification(); |
| if (nativeCodeSpec != null) { |
| NativeCodeDescription[] possibleSuppliers = nativeCodeSpec.getPossibleSuppliers(); |
| ArrayList<Filter> supplierFilters = new ArrayList<Filter>(possibleSuppliers.length); |
| for (int i = 0; i < possibleSuppliers.length; i++) { |
| if (possibleSuppliers[i].getFilter() != null) |
| supplierFilters.add(possibleSuppliers[i].getFilter()); |
| } |
| if (supplierFilters.size() == 1) |
| nativeFilter = supplierFilters.get(0).toString(); |
| else if (supplierFilters.size() > 1) { |
| StringBuffer buffer = new StringBuffer("(|"); //$NON-NLS-1$ |
| for (Iterator<Filter> iterator = supplierFilters.iterator(); iterator.hasNext();) { |
| Filter filter = iterator.next(); |
| buffer.append(filter.toString()); |
| } |
| buffer.append(")"); //$NON-NLS-1$ |
| nativeFilter = buffer.toString(); |
| } |
| } |
| |
| String filterString = null; |
| if (platformFilter != null && nativeFilter != null) |
| filterString = "(&" + platformFilter + nativeFilter + ")"; //$NON-NLS-1$ //$NON-NLS-2$ |
| else |
| filterString = platformFilter != null ? platformFilter : nativeFilter; |
| |
| if (filterString != null) |
| return createFilter(filterString); |
| return null; |
| } |
| |
| public void setLog(Object antLog) { |
| if (antLog == null) { |
| log = null; |
| return; |
| } |
| |
| try { |
| log = new AntLogAdapter(antLog); |
| } catch (NoSuchMethodException e) { |
| log = null; |
| } |
| } |
| |
| public static String[] getClasspath(Dictionary<String, String> manifest) { |
| return org.eclipse.pde.internal.publishing.Utils.getBundleClasspath(manifest); |
| } |
| |
| public static String getManifestHeader(Dictionary<String, String> manifest, String header) { |
| return org.eclipse.pde.internal.publishing.Utils.getBundleManifestHeader(manifest, header); |
| } |
| } |