List of usage examples for org.eclipse.jdt.internal.core.search.matching PossibleMatch PossibleMatch
public PossibleMatch(MatchLocator locator, IResource resource, Openable openable, SearchDocument document, boolean mustResolve)
From source file:org.eclipse.jdt.internal.core.search.matching.MatchLocator.java
License:Open Source License
/** * Locate the matches in the given files and report them using the search requestor. *///from w w w . ja va 2 s . c om public void locateMatches(SearchDocument[] searchDocuments) throws CoreException { if (this.patternLocator == null) return; int docsLength = searchDocuments.length; int progressLength = docsLength; if (BasicSearchEngine.VERBOSE) { System.out.println("Locating matches in documents ["); //$NON-NLS-1$ for (int i = 0; i < docsLength; i++) System.out.println("\t" + searchDocuments[i]); //$NON-NLS-1$ System.out.println("]"); //$NON-NLS-1$ } IJavaProject[] javaModelProjects = null; if (this.searchPackageDeclaration) { javaModelProjects = JavaModelManager.getJavaModelManager().getJavaModel().getJavaProjects(); progressLength += javaModelProjects.length; } // init infos for progress increasing int n = progressLength < 1000 ? Math.min(Math.max(progressLength / 200 + 1, 2), 4) : 5 * (progressLength / 1000); this.progressStep = progressLength < n ? 1 : progressLength / n; // step should not be 0 this.progressWorked = 0; // extract working copies ArrayList copies = new ArrayList(); for (int i = 0; i < docsLength; i++) { SearchDocument document = searchDocuments[i]; if (document instanceof WorkingCopyDocument) { copies.add(((WorkingCopyDocument) document).workingCopy); } } int copiesLength = copies.size(); this.workingCopies = new org.eclipse.jdt.core.ICompilationUnit[copiesLength]; copies.toArray(this.workingCopies); JavaModelManager manager = JavaModelManager.getJavaModelManager(); this.bindings = new SimpleLookupTable(); try { // optimize access to zip files during search operation manager.cacheZipFiles(this); // initialize handle factory (used as a cache of handles so as to optimize space) if (this.handleFactory == null) this.handleFactory = new HandleFactory(); if (this.progressMonitor != null) { this.progressMonitor.beginTask("", searchDocuments.length); //$NON-NLS-1$ } // initialize pattern for polymorphic search (i.e. method reference pattern) this.patternLocator.initializePolymorphicSearch(this); JavaProject previousJavaProject = null; PossibleMatchSet matchSet = new PossibleMatchSet(); Util.sort(searchDocuments, new Util.Comparer() { public int compare(Object a, Object b) { return ((SearchDocument) a).getPath().compareTo(((SearchDocument) b).getPath()); } }); int displayed = 0; // progress worked displayed String previousPath = null; SearchParticipant searchParticipant = null; for (int i = 0; i < docsLength; i++) { if (this.progressMonitor != null && this.progressMonitor.isCanceled()) { throw new OperationCanceledException(); } // skip duplicate paths SearchDocument searchDocument = searchDocuments[i]; if (searchParticipant == null) { searchParticipant = searchDocument.getParticipant(); } searchDocuments[i] = null; // free current document String pathString = searchDocument.getPath(); if (i > 0 && pathString.equals(previousPath)) { if (this.progressMonitor != null) { this.progressWorked++; if ((this.progressWorked % this.progressStep) == 0) this.progressMonitor.worked(this.progressStep); } displayed++; continue; } previousPath = pathString; Openable openable; org.eclipse.jdt.core.ICompilationUnit workingCopy = null; if (searchDocument instanceof WorkingCopyDocument) { workingCopy = ((WorkingCopyDocument) searchDocument).workingCopy; openable = (Openable) workingCopy; } else { openable = this.handleFactory.createOpenable(pathString, this.scope); } if (openable == null) { if (this.progressMonitor != null) { this.progressWorked++; if ((this.progressWorked % this.progressStep) == 0) this.progressMonitor.worked(this.progressStep); } displayed++; continue; // match is outside classpath } // create new parser and lookup environment if this is a new project IResource resource = null; JavaProject javaProject = (JavaProject) openable.getJavaProject(); resource = workingCopy != null ? workingCopy.getResource() : openable.getResource(); if (resource == null) resource = javaProject.getProject(); // case of a file in an external jar or external folder if (!javaProject.equals(previousJavaProject)) { // locate matches in previous project if (previousJavaProject != null) { try { locateMatches(previousJavaProject, matchSet, i - displayed); displayed = i; } catch (JavaModelException e) { // problem with classpath in this project -> skip it } matchSet.reset(); } previousJavaProject = javaProject; } matchSet.add(new PossibleMatch(this, resource, openable, searchDocument, this.pattern.mustResolve)); } // last project if (previousJavaProject != null) { try { locateMatches(previousJavaProject, matchSet, docsLength - displayed); } catch (JavaModelException e) { // problem with classpath in last project -> ignore } } if (this.searchPackageDeclaration) { locatePackageDeclarations(searchParticipant, javaModelProjects); } } finally { if (this.progressMonitor != null) this.progressMonitor.done(); if (this.nameEnvironment != null) this.nameEnvironment.cleanup(); manager.flushZipFiles(this); this.bindings = null; } }