Java tutorial
/****************************************************************************** * Copyright (c) 2010, 2008 Oracle * 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: * Konstantin Komissarchik - initial implementation and ongoing maintenance * Paul Fullbright - [324111] Need better enablement behavior for WTP library providers ******************************************************************************/ package org.eclipse.jst.j2ee.internal.common.classpath; import java.util.Set; import org.eclipse.core.resources.IProject; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IPath; import org.eclipse.jdt.core.IClasspathAttribute; import org.eclipse.jdt.core.IClasspathEntry; import org.eclipse.jdt.core.IJavaProject; import org.eclipse.jdt.core.JavaCore; import org.eclipse.jst.common.project.facet.core.libprov.ILibraryProvider; import org.eclipse.jst.common.project.facet.core.libprov.LibraryProviderFramework; import org.eclipse.jst.common.project.facet.core.libprov.osgi.OsgiBundlesContainer; import org.eclipse.jst.common.project.facet.core.libprov.osgi.OsgiBundlesLibraryProviderInstallOperationConfig; import org.eclipse.jst.j2ee.classpathdep.ClasspathDependencyUtil; import org.eclipse.jst.j2ee.classpathdep.IClasspathDependencyConstants; import org.eclipse.jst.j2ee.project.facet.IJ2EEFacetConstants; import org.eclipse.wst.common.project.facet.core.IFacetedProjectBase; import org.eclipse.wst.common.project.facet.core.IProjectFacet; import org.eclipse.wst.common.project.facet.core.IProjectFacetVersion; import org.eclipse.wst.common.project.facet.core.ProjectFacetsManager; import org.eclipse.wst.common.project.facet.core.events.IFacetedProjectEvent; import org.eclipse.wst.common.project.facet.core.events.IFacetedProjectListener; /** * @author <a href="mailto:konstantin.komissarchik@oracle.com">Konstantin Komissarchik</a> */ @SuppressWarnings("boxing") public class WtpOsgiBundlesLibraryProviderInstallOperationConfig extends OsgiBundlesLibraryProviderInstallOperationConfig { private static final IProjectFacet WEB_FACET = ProjectFacetsManager .getProjectFacet(IJ2EEFacetConstants.DYNAMIC_WEB); private static final String CLASS_NAME = WtpOsgiBundlesLibraryProviderInstallOperationConfig.class.getName(); public static final String PROP_INCLUDE_WITH_APPLICATION_ENABLED = CLASS_NAME + ".INCLUDE_WITH_APPLICATION_ENABLED"; //$NON-NLS-1$ public static final String PROP_INCLUDE_WITH_APPLICATION_SETTING_ENABLED = CLASS_NAME + ".INCLUDE_WITH_APPLICATION_SETTING_ENABLED"; //$NON-NLS-1$ private boolean includeWithApplicationEnabled; private boolean includeWithApplicationSettingEnabled; private IFacetedProjectListener facetedProjectListener; @Override public synchronized void init(final IFacetedProjectBase fproj, final IProjectFacetVersion fv, final ILibraryProvider provider) { super.init(fproj, fv, provider); this.includeWithApplicationEnabled = hasModuleFacet(fproj); final IProject project = fproj.getProject(); if (project != null) { final IProjectFacet f = fv.getProjectFacet(); final ILibraryProvider currentProvider = LibraryProviderFramework.getCurrentProvider(project, f); if (currentProvider == provider) { this.includeWithApplicationEnabled = false; final IPath path = OsgiBundlesContainer.CONTAINER_PATH.append(f.getId()); final IJavaProject jproj = JavaCore.create(project); try { for (IClasspathEntry cpe : jproj.getRawClasspath()) { if (path.equals(cpe.getPath())) { for (IClasspathAttribute attr : cpe.getExtraAttributes()) { if (attr.getName() .equals(IClasspathDependencyConstants.CLASSPATH_COMPONENT_DEPENDENCY)) { this.includeWithApplicationEnabled = true; break; } } } if (this.includeWithApplicationEnabled) { break; } } } catch (CoreException e) { throw new RuntimeException(e); } } } this.includeWithApplicationSettingEnabled = (this.includeWithApplicationEnabled ? true : hasModuleFacet(fproj)); this.facetedProjectListener = new IFacetedProjectListener() { public void handleEvent(final IFacetedProjectEvent event) { final boolean moduleFaceted = hasModuleFacet(event.getWorkingCopy()); setIncludeWithApplicationEnabled(moduleFaceted); setIncludeWithApplicationSettingEnabled(moduleFaceted); } }; fproj.addListener(this.facetedProjectListener, IFacetedProjectEvent.Type.PROJECT_FACETS_CHANGED); } public boolean isIncludeWithApplicationEnabled() { return this.includeWithApplicationEnabled; } public void setIncludeWithApplicationEnabled(final boolean value) { final boolean oldValue = this.includeWithApplicationEnabled; this.includeWithApplicationEnabled = value; notifyListeners(PROP_INCLUDE_WITH_APPLICATION_ENABLED, oldValue, this.includeWithApplicationEnabled); } public boolean isIncludeWithApplicationSettingEnabled() { return this.includeWithApplicationSettingEnabled; } public void setIncludeWithApplicationSettingEnabled(final boolean value) { final boolean oldValue = this.includeWithApplicationSettingEnabled; this.includeWithApplicationSettingEnabled = value; notifyListeners(PROP_INCLUDE_WITH_APPLICATION_SETTING_ENABLED, oldValue, this.includeWithApplicationSettingEnabled); } @Override public IClasspathAttribute[] getClasspathAttributes() { final IFacetedProjectBase fproj = getFacetedProject(); final boolean isWebProject = fproj.hasProjectFacet(WEB_FACET); IClasspathAttribute attr = null; if (isIncludeWithApplicationSettingEnabled()) { if (isIncludeWithApplicationEnabled()) { attr = JavaCore.newClasspathAttribute(IClasspathDependencyConstants.CLASSPATH_COMPONENT_DEPENDENCY, ClasspathDependencyUtil.getDefaultRuntimePath(isWebProject).toString()); } else { attr = JavaCore.newClasspathAttribute( IClasspathDependencyConstants.CLASSPATH_COMPONENT_NON_DEPENDENCY, ""); //$NON-NLS-1$ } } return (attr == null ? null : new IClasspathAttribute[] { attr }); } private static boolean hasModuleFacet(final IFacetedProjectBase fproj) { final Set<IProjectFacetVersion> moduleFacets = ProjectFacetsManager.getGroup("modules").getMembers(); //$NON-NLS-1$ for (IProjectFacetVersion facetVersion : fproj.getProjectFacets()) { if (moduleFacets.contains(facetVersion)) { return true; } } return false; } @Override public void dispose() { super.dispose(); getFacetedProject().removeListener(this.facetedProjectListener); } }