| /********************************************************************** |
| * Copyright (c) 2005 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM - Initial API and implementation |
| **********************************************************************/ |
| |
| package org.eclipse.wtp.releng.tools.component.ui.internal; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Calendar; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.IResourceProxy; |
| import org.eclipse.core.resources.IResourceProxyVisitor; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.NullProgressMonitor; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.core.runtime.jobs.IJobManager; |
| import org.eclipse.wtp.releng.tools.component.IClazz; |
| import org.eclipse.wtp.releng.tools.component.ILocation; |
| import org.eclipse.wtp.releng.tools.component.internal.Clazz; |
| import org.eclipse.wtp.releng.tools.component.model.ComponentDepends; |
| import org.eclipse.wtp.releng.tools.component.model.ComponentRef; |
| import org.eclipse.wtp.releng.tools.component.model.ComponentXML; |
| import org.eclipse.wtp.releng.tools.component.ui.internal.WorkspaceFileLocation; |
| import org.eclipse.wtp.releng.tools.component.ui.internal.job.ScanComponent; |
| import org.eclipse.wtp.releng.tools.component.use.Source; |
| import org.eclipse.wtp.releng.tools.component.violation.ComponentViolationEmitter; |
| |
| public class ScannableComponent implements IResourceProxyVisitor |
| { |
| private ComponentXML compXML; |
| private ComponentViolationEmitter emitter; |
| private List projects; |
| private long lastScan; |
| private List newClasses; |
| |
| public ScannableComponent(ComponentXML compXML, ComponentViolationEmitter emitter, List projects) |
| { |
| this.compXML = compXML; |
| this.emitter = emitter; |
| this.projects = projects; |
| this.lastScan = -1; |
| this.newClasses = new ArrayList(); |
| } |
| |
| /** |
| * @return Returns the compXML. |
| */ |
| public ComponentXML getCompXML() |
| { |
| return compXML; |
| } |
| |
| /** |
| * @return Returns the emitter. |
| */ |
| public ComponentViolationEmitter getEmitter() |
| { |
| return emitter; |
| } |
| |
| /** |
| * @return Returns the projects. |
| */ |
| public List getProjects() |
| { |
| if (projects == null) |
| projects = new ArrayList(1); |
| return projects; |
| } |
| |
| public void addProject(IProject project) |
| { |
| getProjects().add(project); |
| new ScanComponent(this, true).schedule(); |
| } |
| |
| public IProject removeProject(String projectName) |
| { |
| if (projects != null) |
| for (int i = 0; i < projects.size(); i++) |
| if (((IProject)projects.get(i)).getName().equals(projectName)) |
| return (IProject)projects.remove(i); |
| return null; |
| } |
| |
| public void addCompRef(ComponentXML compRef) |
| { |
| Map compRefs = emitter.getCompRefs(); |
| compRefs.put(compRef.getLocation().getAbsolutePath(), compRef); |
| emitter.setCompRefs(compRefs); |
| if (isDependsOn(compRef.getName())) |
| new ScanComponent(this, true).schedule(); |
| } |
| |
| public void removeCompRef(ILocation location) |
| { |
| Map compRefs = emitter.getCompRefs(); |
| String key = location.getAbsolutePath(); |
| if (compRefs.containsKey(key)) |
| { |
| ComponentXML compRef = (ComponentXML)compRefs.remove(key); |
| emitter.setCompRefs(compRefs); |
| if (isDependsOn(compRef.getName())) |
| { |
| new ScanComponent(this, true).schedule(); |
| } |
| } |
| } |
| |
| private boolean isDependsOn(String compRefName) |
| { |
| if (!compRefName.equals(compXML.getName())) |
| { |
| ComponentDepends depends = compXML.getComponentDepends(); |
| if (depends.isUnrestricted()) |
| return true; |
| else |
| { |
| List compRefs = depends.getComponentRefs(); |
| for (Iterator it = compRefs.iterator(); it.hasNext();) |
| if (((ComponentRef)it.next()).getName().equals(compRefName)) |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| public boolean isScanningProject(IProject project) |
| { |
| if (projects != null && project != null) |
| for (Iterator it = projects.iterator(); it.hasNext();) |
| if (project.getName().equals(((IProject)it.next()).getName())) |
| return true; |
| return false; |
| } |
| |
| public List scan() throws IOException |
| { |
| return scan(false); |
| } |
| |
| public synchronized List scan(boolean force) throws IOException |
| { |
| if (force) |
| lastScan = -1; |
| newClasses.clear(); |
| List sources = new ArrayList(); |
| IJobManager jobManager = Platform.getJobManager(); |
| for (int i = 0; i < projects.size(); i++) |
| { |
| IProject project = (IProject)projects.get(i); |
| try |
| { |
| jobManager.beginRule(project, new NullProgressMonitor()); |
| } |
| finally |
| { |
| jobManager.endRule(project); |
| } |
| try |
| { |
| project.accept(this, IResource.DEPTH_INFINITE | IResource.NONE); |
| } |
| catch (CoreException e) |
| { |
| // should never happen |
| e.printStackTrace(); |
| } |
| } |
| lastScan = Calendar.getInstance().getTimeInMillis(); |
| String compLoc = compXML.getLocation().getAbsolutePath(); |
| for (Iterator it = newClasses.iterator(); it.hasNext();) |
| { |
| Source source = emitter.genViolation(compLoc, (IClazz)it.next()); |
| if (source != null) |
| sources.add(source); |
| } |
| newClasses.clear(); |
| return sources; |
| } |
| |
| public boolean visit(IResourceProxy resProxy) |
| { |
| if (resProxy.getType() == IResource.FILE && resProxy.getName().endsWith(".class") && resProxy.getModificationStamp() > lastScan) |
| newClasses.add(new Clazz(new WorkspaceFileLocation((IFile)resProxy.requestResource()))); |
| return true; |
| } |
| } |