/*******************************************************************************
* Copyright (c) 2011 Red Hat, Inc.
* Distributed under license by Red Hat, Inc. All rights reserved.
* This program is 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:
* Red Hat, Inc. - initial API and implementation
******************************************************************************/
package org.jboss.tools.jsf.jsf2.bean.scanner.lib;
import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
import org.jboss.tools.common.model.XModelObject;
import org.jboss.tools.common.model.filesystems.FileSystemsHelper;
import org.jboss.tools.common.model.project.ext.AbstractClassPathMonitor;
import org.jboss.tools.common.model.util.EclipseResourceUtil;
import org.jboss.tools.jsf.JSFModelPlugin;
import org.jboss.tools.jsf.jsf2.bean.model.IJSF2Project;
import org.jboss.tools.jsf.jsf2.bean.model.JSF2ProjectFactory;
import org.jboss.tools.jst.web.kb.internal.IKbProjectExtension;
public class ClassPathMonitor extends AbstractClassPathMonitor<IJSF2Project>{
IPath[] srcs = new IPath[0];
Set<IPath> removedPaths = new HashSet<IPath>();
public ClassPathMonitor(IJSF2Project project) {
this.project = project;
}
public void init() {
model = EclipseResourceUtil.createObjectForResource(getProjectResource()).getModel();
super.init();
}
public Map<String, XModelObject> process() {
Map<String, XModelObject> newJars = new HashMap<String, XModelObject>();
for (String p: syncProcessedPaths()) {
synchronized (removedPaths) {
removedPaths.add(new Path(p));
}
}
for (int i = 0; i < paths.size(); i++) {
String p = paths.get(i);
if(!requestForLoad(p)) continue;
String fileName = new File(p).getName();
if(EclipseResourceUtil.SYSTEM_JAR_SET.contains(fileName)) continue;
XModelObject o = FileSystemsHelper.getLibs(model).getLibrary(p);
if(o == null) continue;
XModelObject b = o.getChildByPath("META-INF/web-fragment.xml");
if(b != null) {
newJars.put(p, b);
}
}
validateProjectDependencies();
return newJars;
}
public void applyRemovedPaths() {
synchronized (removedPaths) {
for (IPath p: removedPaths) {
project.pathRemoved(p);
}
removedPaths.clear();
}
}
public IProject getProjectResource() {
return project.getProject();
}
public void setSrcs(IPath[] newSrcs) {
Set<IPath> ss = new HashSet<IPath>();
for (IPath s: newSrcs) {
ss.add(s);
}
for (IPath s: srcs) {
if(!ss.contains(s)) {
synchronized (removedPaths) {
removedPaths.add(s);
}
}
}
srcs = newSrcs;
}
public void validateProjectDependencies() {
List<IJSF2Project> ps = null;
try {
ps = getProjects(project.getProject());
} catch (CoreException e) {
JSFModelPlugin.getDefault().logError(e);
}
if(ps != null) {
Set<IKbProjectExtension> set = project.getUsedProjects();
Set<IKbProjectExtension> removable = new HashSet<IKbProjectExtension>();
removable.addAll(set);
removable.removeAll(ps);
ps.removeAll(set);
for (IKbProjectExtension p : ps) {
project.addUsedProject(p);
}
for (IKbProjectExtension p : removable) {
project.removeUsedProject(p);
}
}
}
public boolean hasToUpdateProjectDependencies() {
List<IJSF2Project> ps = null;
try {
ps = getProjects(project.getProject());
} catch (CoreException e) {
JSFModelPlugin.getDefault().logError(e);
}
if(ps != null) {
Set<IKbProjectExtension> set = project.getUsedProjects();
Set<IKbProjectExtension> removable = new HashSet<IKbProjectExtension>();
removable.addAll(set);
removable.removeAll(ps);
ps.removeAll(set);
for (IKbProjectExtension p : ps) {
return true;
}
for (IKbProjectExtension p : removable) {
return true;
}
}
return false;
}
public static List<IJSF2Project> getProjects(IProject project) throws CoreException {
List<IJSF2Project> list = new ArrayList<IJSF2Project>();
IJavaProject javaProject = EclipseResourceUtil.getJavaProject(project);
if(javaProject != null) {
IClasspathEntry[] es = javaProject.getResolvedClasspath(true);
for (int i = 0; i < es.length; i++) {
if(es[i].getEntryKind() == IClasspathEntry.CPE_PROJECT) {
IProject p = ResourcesPlugin.getWorkspace().getRoot().getProject(es[i].getPath().lastSegment());
if(p == null || !p.isAccessible()) continue;
IJSF2Project sp = JSF2ProjectFactory.getJSF2Project(p, false);
if(sp != null) list.add(sp);
}
}
}
return list;
}
public synchronized void libraryChanged(String path) {
super.libraryChanged(path);
removedPaths.add(new Path(path));
}
}