public static byte[] getClassContent(IJavaProject javaProject, String className) {
if (javaProject == null || !javaProject.exists()) return null;
String resourceName = className.replace('.', '/') + ".class";
try {
IPath outPath =
javaProject
.getProject()
.getLocation()
.removeLastSegments(1)
.append(javaProject.getOutputLocation());
outPath = outPath.addTrailingSeparator();
{
URL url = toURL(outPath.append(resourceName));
if (url != null) {
InputStream inputStream = url.openStream();
byte[] content = new byte[inputStream.available()];
inputStream.read(content);
return content;
}
for (IProject project : javaProject.getProject().getReferencedProjects()) {
if (!project.isOpen()) {
continue;
}
IJavaProject javaReferencedProject = JavaCore.create(project);
if (javaReferencedProject.exists()) {
byte[] content = getClassContent(javaReferencedProject, className);
if (content != null) {
return content;
}
}
}
}
IType type = javaProject.findType(className);
if (type != null && type.exists()) {
if (type.isBinary()) {
return type.getClassFile().getBytes();
} else {
IJavaProject typeProject = type.getJavaProject();
if (!javaProject.equals(typeProject)) {
return getClassContent(typeProject, className);
}
}
}
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
public void testJUnitWithCloneNotRaw() throws Exception {
fAssumeCloneReturnsSameType = true;
fLeaveUnconstrainedRaw = false;
IJavaProject javaProject = JavaProjectHelper.createJavaProject("InferTypeArguments", "bin");
try {
IPackageFragmentRoot jdk = JavaProjectHelper.addRTJar(javaProject);
Assert.assertNotNull(jdk);
File junitSrcArchive =
JavaTestPlugin.getDefault().getFileInPlugin(JavaProjectHelper.JUNIT_SRC_381);
Assert.assertTrue(junitSrcArchive != null && junitSrcArchive.exists());
IPackageFragmentRoot src =
JavaProjectHelper.addSourceContainerWithImport(
javaProject, "src", junitSrcArchive, JavaProjectHelper.JUNIT_SRC_ENCODING);
boolean performed =
perform(new IJavaElement[] {javaProject}, RefactoringStatus.OK, RefactoringStatus.OK);
assertTrue(performed);
compareWithZipFile(src, "junit381-noUI-clone-not-raw-src.zip");
} finally {
if (javaProject != null && javaProject.exists()) JavaProjectHelper.delete(javaProject);
}
}
/**
* Checks if all source files are existing. If not, create them.
*
* @param javaProj
*/
private void checkSourceFolders(final IJavaProject javaProj) {
if (javaProj == null) return;
if (javaProj.exists()) {
try {
if (!javaProj.isOpen()) {
javaProj.open(new NullProgressMonitor());
}
IClasspathEntry[] entries = javaProj.getRawClasspath();
for (IClasspathEntry entry : entries) {
if (IClasspathEntry.CPE_SOURCE == entry.getEntryKind()) {
IPath path = entry.getPath();
final IPath folderPath = path.removeFirstSegments(1);
if (!folderPath.isEmpty()) {
Display.getDefault()
.asyncExec(
new Runnable() {
public void run() {
try {
ImportUtils.createFolders(
javaProj.getProject(), folderPath, IResource.FORCE);
} catch (CoreException e) {
_log.error(e.getMessage());
}
}
});
}
}
}
} catch (JavaModelException e) {
_log.error("findProjectSources: Could not retrieve project sources:", e); // $NON-NLS-1$
}
}
}
/* (non-Javadoc)
* @see org.eclipse.jdt.core.IClasspathContainer#getClasspathEntries()
*/
@Override
public IClasspathEntry[] getClasspathEntries() {
Set<IClasspathEntry> entries = new HashSet<IClasspathEntry>();
if (project != null && project.exists()) {
File projectFolder = project.getProject().getLocation().toFile();
File libFolder = new File(projectFolder, "lib");
if (libFolder.exists()) {
File[] listFiles =
libFolder.listFiles(
new FileFilter() {
@Override
public boolean accept(File file) {
return file.getName().endsWith(".jar");
}
});
if (listFiles != null) {
for (File f : listFiles) {
entries.add(
JavaCore.newLibraryEntry(Path.fromOSString(f.getAbsolutePath()), null, null, true));
}
}
}
}
return entries.toArray(new IClasspathEntry[entries.size()]);
}
private void restoreTestProject() throws Exception {
IJavaProject javaProject = getRoot().getJavaProject();
if (javaProject.exists()) {
IClasspathEntry srcEntry = getRoot().getRawClasspathEntry();
IClasspathEntry jreEntry = RefactoringTestSetup.getJRELibrary().getRawClasspathEntry();
IClasspathEntry[] cpes = javaProject.getRawClasspath();
ArrayList newCPEs = new ArrayList();
boolean cpChanged = false;
for (int i = 0; i < cpes.length; i++) {
IClasspathEntry cpe = cpes[i];
if (cpe.equals(srcEntry) || cpe.equals(jreEntry)) {
newCPEs.add(cpe);
} else {
cpChanged = true;
}
}
if (cpChanged) {
IClasspathEntry[] newCPEsArray =
(IClasspathEntry[]) newCPEs.toArray(new IClasspathEntry[newCPEs.size()]);
javaProject.setRawClasspath(newCPEsArray, null);
}
Object[] nonJavaResources = javaProject.getNonJavaResources();
for (int i = 0; i < nonJavaResources.length; i++) {
Object kid = nonJavaResources[i];
if (kid instanceof IResource) {
IResource resource = (IResource) kid;
if (!PROJECT_RESOURCE_CHILDREN.contains(resource.getName())) {
JavaProjectHelper.delete(resource);
}
}
}
}
}
/**
* Initializes the source folder field with a valid package fragment root. The package fragment
* root is computed from the given Java element.
*
* @param elem the Java element used to compute the initial package fragment root used as the
* source folder
*/
protected void initContainerPage(IJavaElement elem) {
IPackageFragmentRoot initRoot = null;
if (elem != null) {
initRoot = JavaModelUtil.getPackageFragmentRoot(elem);
try {
if (initRoot == null || initRoot.getKind() != IPackageFragmentRoot.K_SOURCE) {
IJavaProject jproject = elem.getJavaProject();
if (jproject != null) {
initRoot = null;
if (jproject.exists()) {
IPackageFragmentRoot[] roots = jproject.getPackageFragmentRoots();
for (int i = 0; i < roots.length; i++) {
if (roots[i].getKind() == IPackageFragmentRoot.K_SOURCE) {
initRoot = roots[i];
break;
}
}
}
if (initRoot == null) {
initRoot = jproject.getPackageFragmentRoot(jproject.getResource());
}
}
}
} catch (JavaModelException e) {
JavaPlugin.log(e);
}
}
setPackageFragmentRoot(initRoot, true);
}
protected IPackageFragmentRoot getFragmentRoot(IJavaElement elem) {
IPackageFragmentRoot initRoot = null;
if (elem != null) {
initRoot = (IPackageFragmentRoot) elem.getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT);
try {
if (initRoot == null || initRoot.getKind() != IPackageFragmentRoot.K_SOURCE) {
IJavaProject jproject = elem.getJavaProject();
if (jproject != null) {
initRoot = null;
if (jproject.exists()) {
IPackageFragmentRoot[] roots = jproject.getPackageFragmentRoots();
for (int i = 0; i < roots.length; i++) {
if (roots[i].getKind() == IPackageFragmentRoot.K_SOURCE) {
initRoot = roots[i];
break;
}
}
}
if (initRoot == null) {
initRoot = jproject.getPackageFragmentRoot(jproject.getResource());
}
}
}
} catch (JavaModelException e) {
// TODO
e.printStackTrace();
}
}
return initRoot;
}
/**
* Returns the java project that corresponds to the given path. Returns null if the path doesn't
* correspond to a project.
*/
private static IJavaProject getJavaProject(IPath path, IJavaModel model) {
IJavaProject project = model.getJavaProject(path.lastSegment());
if (project.exists()) {
return project;
}
return null;
}
private static IJavaProject getJavaProject(String projectName) {
IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(projectName);
if (project == null) return null;
IJavaProject result = JavaCore.create(project);
if (result == null) return null;
if (!result.exists()) return null;
return result;
}
/*
* Adds to <code> projects </code> IJavaProject objects for all projects directly or indirectly referencing focus. @param projects IJavaProjects will be added to this set
*/
private static void addReferencingProjects(IJavaProject focus, Set<IJavaProject> projects)
throws JavaModelException {
IProject[] referencingProjects = focus.getProject().getReferencingProjects();
for (int i = 0; i < referencingProjects.length; i++) {
IJavaProject candidate = JavaCore.create(referencingProjects[i]);
if (candidate == null || projects.contains(candidate) || !candidate.exists())
continue; // break cycle
IClasspathEntry entry = getReferencingClassPathEntry(candidate, focus);
if (entry != null) {
projects.add(candidate);
if (entry.isExported()) addReferencingProjects(candidate, projects);
}
}
}
/** @since 2.4 */
private void updateCache(IJavaProject project) {
Set<PackageFragmentRootData> datas = newHashSet();
try {
if (project.exists() && project.getProject().isAccessible()) {
for (IPackageFragmentRoot root : project.getPackageFragmentRoots()) {
boolean isCachable = root.isArchive() || root.isExternal();
if (isCachable) datas.add(getCachedData(root));
}
}
} catch (JavaModelException e) {
if (!e.isDoesNotExist())
log.error("Error getting package fragments roots of " + project.getElementName(), e);
} finally {
clearCache(project, datas);
}
}
/**
* Gets a java project from the supplied IProject.
*
* @param project The IProject.
* @return The java project.
*/
public static IJavaProject getJavaProject(IProject project) throws Exception {
if (ProjectUtils.getPath(project) == null) {
throw new IllegalArgumentException(
Services.getMessage("project.location.null", project.getName()));
}
if (!project.hasNature(PluginResources.NATURE)) {
throw new IllegalArgumentException(
Services.getMessage(
"project.missing.nature",
project.getName(),
ProjectNatureFactory.getAliasForNature(PluginResources.NATURE)));
}
IJavaProject javaProject = JavaCore.create(project);
if (javaProject == null || !javaProject.exists()) {
throw new IllegalArgumentException(Services.getMessage("project.not.found", project));
}
return javaProject;
}
@Override
public void mavenProjectChanged(MavenProjectChangedEvent event, IProgressMonitor monitor)
throws CoreException {
IPreferenceStore store = Activator.getDefault().getPreferenceStore();
boolean configureGWT = store.getBoolean(Activator.CONFIGURE_GWT);
if (configureGWT) {
Plugin newConfig =
event.getMavenProject().getMavenProject().getPlugin(GWT_WAR_MAVEN_PLUGIN_KEY);
if (newConfig != null) {
IJavaProject javaProject = JavaCore.create(event.getMavenProject().getProject());
if (javaProject.exists()) {
List<String> modNames = findModules(newConfig, javaProject);
try {
GWTProjectProperties.setEntryPointModules(
event.getMavenProject().getProject(), modNames);
} catch (BackingStoreException e) {
logError("Exception in Maven GWT Configurator, cannot set entry point modules", e);
}
}
}
}
}
/**
* Resolves the {@link IJavaProject} within the context of the given {@link IJavaStackFrame}
*
* @param frame
* @return the {@link IJavaProject} or <code>null</code>
* @since 3.8.0
*/
public static IJavaProject resolveJavaProject(IJavaStackFrame frame) {
ILaunch launch = frame.getLaunch();
if (launch != null) {
try {
Object sourceElement = resolveSourceElement(frame, JAVA_STRATUM, launch);
IJavaElement element = getJavaElement(sourceElement);
if (element != null) {
return element.getJavaProject();
}
// If Source element is not a Java element
if (sourceElement instanceof IResource) {
IJavaProject project = JavaCore.create(((IResource) sourceElement).getProject());
if (project.exists()) {
return project;
}
}
} catch (CoreException ce) {
// do nothing, return null
}
}
return null;
}
private boolean hasItemsOnBuildPath(IJavaProject project, Set searched, Object[] args) {
try {
List projects = new ArrayList();
if (project != null && project.exists()) {
IClasspathEntry[] entries = project.getResolvedClasspath(true);
for (int i = 0; i < entries.length; i++) {
IClasspathEntry entry = entries[i];
IPath path = entry.getPath();
String spath = path.toPortableString();
for (int j = 0; j < args.length; j++) {
if (spath.lastIndexOf((String) args[j]) != -1) {
return true;
}
}
if (entry.getEntryKind() == IClasspathEntry.CPE_PROJECT) {
String name = entry.getPath().lastSegment();
IProject dep = ResourcesPlugin.getWorkspace().getRoot().getProject(name);
IJavaProject javaProject = JavaCore.create(dep);
if (!searched.contains(javaProject)) {
projects.add(javaProject);
}
}
}
}
// search referenced projects
Iterator iterator = projects.iterator();
while (iterator.hasNext()) {
IJavaProject jp = (IJavaProject) iterator.next();
searched.add(jp);
if (hasItemsOnBuildPath(jp, searched, args)) {
return true;
}
}
} catch (JavaModelException e) {
}
return false;
}
