List of usage examples for org.eclipse.jdt.internal.core JavaProject getPackageFragmentRoot
@Override
public IPackageFragmentRoot getPackageFragmentRoot(String externalLibraryPath)
From source file:com.codenvy.ide.ext.java.server.internal.core.NameLookup.java
License:Open Source License
/** * Returns the package fragment whose path matches the given * (absolute) path, or <code>null</code> if none exist. The domain of * the search is bounded by the classpath of the <code>IJavaProject</code> * this <code>NameLookup</code> was obtained from. * The path can be:// w w w.j a v a2 s . c o m * - internal to the workbench: "/Project/src" * - external to the workbench: "c:/jdk/classes.zip/java/lang" */ public IPackageFragment findPackageFragment(IPath path) { if (!path.isAbsolute()) { throw new IllegalArgumentException(Messages.path_mustBeAbsolute); } /* * TODO (jerome) this code should rather use the package fragment map to find the candidate package, then * check if the respective enclosing root maps to the one on this given IPath. */ IResource possibleFragment = ResourcesPlugin.getWorkspace().getRoot().findMember(path); if (possibleFragment == null) { //external jar for (int i = 0; i < this.packageFragmentRoots.length; i++) { IPackageFragmentRoot root = this.packageFragmentRoots[i]; if (!root.isExternal()) { continue; } IPath rootPath = root.getPath(); if (rootPath.isPrefixOf(path)) { String name = path.toOSString(); // + 1 is for the File.separatorChar name = name.substring(rootPath.toOSString().length() + 1, name.length()); name = name.replace(File.separatorChar, '.'); IJavaElement[] list = null; try { list = root.getChildren(); } catch (JavaModelException npe) { continue; // the package fragment root is not present; } int elementCount = list.length; for (int j = 0; j < elementCount; j++) { IPackageFragment packageFragment = (IPackageFragment) list[j]; if (nameMatches(name, packageFragment, false)) { return packageFragment; } } } } } else { IJavaElement fromFactory = JavaCore.create(possibleFragment); if (fromFactory == null) { return null; } switch (fromFactory.getElementType()) { case IJavaElement.PACKAGE_FRAGMENT: return (IPackageFragment) fromFactory; case IJavaElement.JAVA_PROJECT: // default package in a default root JavaProject project = (JavaProject) fromFactory; try { IClasspathEntry entry = project.getClasspathEntryFor(path); if (entry != null) { IPackageFragmentRoot root = project.getPackageFragmentRoot(project.getResource()); Object defaultPkgRoot = this.packageFragments.get(CharOperation.NO_STRINGS); if (defaultPkgRoot == null) { return null; } if (defaultPkgRoot instanceof PackageFragmentRoot && defaultPkgRoot.equals(root)) return ((PackageFragmentRoot) root).getPackageFragment(CharOperation.NO_STRINGS); else { IPackageFragmentRoot[] roots = (IPackageFragmentRoot[]) defaultPkgRoot; for (int i = 0; i < roots.length; i++) { if (roots[i].equals(root)) { return ((PackageFragmentRoot) root) .getPackageFragment(CharOperation.NO_STRINGS); } } } } } catch (JavaModelException e) { return null; } return null; case IJavaElement.PACKAGE_FRAGMENT_ROOT: return ((PackageFragmentRoot) fromFactory).getPackageFragment(CharOperation.NO_STRINGS); } } return null; }
From source file:org.eclipse.che.jdt.internal.core.JavaModelManager.java
License:Open Source License
/** * Returns the package fragment root represented by the resource, or * the package fragment the given resource is located in, or <code>null</code> * if the given resource is not on the classpath of the given project. *//*from ww w . j av a2s . c om*/ public static IJavaElement determineIfOnClasspath(File resource, JavaProject project) { IPath resourcePath = new Path(resource.getAbsolutePath()); boolean isExternal = false; //ExternalFoldersManager.isInternalPathForExternalFolder(resourcePath); // if (isExternal) // resourcePath = resource.getLocation(); try { JavaProjectElementInfo projectInfo = (JavaProjectElementInfo) ((JavaProject) project).manager .getInfo(project); JavaProjectElementInfo.ProjectCache projectCache = projectInfo == null ? null : projectInfo.projectCache; HashtableOfArrayToObject allPkgFragmentsCache = projectCache == null ? null : projectCache.allPkgFragmentsCache; boolean isJavaLike = Util.isJavaLikeFileName(resourcePath.lastSegment()); IClasspathEntry[] entries = isJavaLike ? project.getRawClasspath() // JAVA file can only live inside SRC folder (on the raw path) : ((JavaProject) project).getResolvedClasspath(); int length = entries.length; if (length > 0) { String sourceLevel = project.getOption(JavaCore.COMPILER_SOURCE, true); String complianceLevel = project.getOption(JavaCore.COMPILER_COMPLIANCE, true); for (int i = 0; i < length; i++) { IClasspathEntry entry = entries[i]; if (entry.getEntryKind() == IClasspathEntry.CPE_PROJECT) continue; IPath rootPath = entry.getPath(); if (rootPath.equals(resourcePath)) { if (isJavaLike) return null; return project.getPackageFragmentRoot(resource); } else if (rootPath.isPrefixOf(resourcePath)) { // allow creation of package fragment if it contains a .java file that is included if (!Util.isExcluded(resourcePath, ((ClasspathEntry) entry).fullInclusionPatternChars(), ((ClasspathEntry) entry).fullExclusionPatternChars(), true)) { // given we have a resource child of the root, it cannot be a JAR pkg root PackageFragmentRoot root = // isExternal ? // new ExternalPackageFragmentRoot(rootPath, (JavaProject) project) : (PackageFragmentRoot) ((JavaProject) project) .getFolderPackageFragmentRoot(rootPath); if (root == null) return null; IPath pkgPath = resourcePath.removeFirstSegments(rootPath.segmentCount()); if (resource.isFile()) { // if the resource is a file, then remove the last segment which // is the file name in the package pkgPath = pkgPath.removeLastSegments(1); } String[] pkgName = pkgPath.segments(); // if package name is in the cache, then it has already been validated // (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=133141) if (allPkgFragmentsCache != null && allPkgFragmentsCache.containsKey(pkgName)) return root.getPackageFragment(pkgName); if (pkgName.length != 0 && JavaConventions .validatePackageName(Util.packageName(pkgPath, sourceLevel, complianceLevel), sourceLevel, complianceLevel) .getSeverity() == IStatus.ERROR) { return null; } return root.getPackageFragment(pkgName); } } } } } catch (JavaModelException npe) { return null; } return null; }
From source file:org.eclipse.che.jdt.internal.core.JavaModelManager.java
License:Open Source License
/** * Creates and returns a handle for the given JAR file, its project being the given project. * The Java model associated with the JAR's project may be * created as a side effect./*from w w w.j a v a 2s . com*/ * Returns <code>null</code> if unable to create a JAR package fragment root. * (for example, if the JAR file represents a non-Java resource) */ public static IPackageFragmentRoot createJarPackageFragmentRootFrom(File file, JavaProject project) { if (file == null) { return null; } // if (project == null) { // project = JavaCore.create(file.getProject()); // } // Create a jar package fragment root only if on the classpath IPath resourcePath = new Path(file.getPath()); try { IClasspathEntry entry = project.getClasspathEntryFor(resourcePath); if (entry != null) { return project.getPackageFragmentRoot(file); } } catch (JavaModelException e) { // project doesn't exist: return null } return null; }