Example usage for org.eclipse.jdt.core.search SearchEngine search

Introduction

In this page you can find the example usage for org.eclipse.jdt.core.search SearchEngine search.

Prototype

public void search(IWorkspace workspace, ISearchPattern searchPattern, IJavaSearchScope scope,
        IJavaSearchResultCollector resultCollector) throws JavaModelException 

Source Link

Document

Searches for matches of a given search pattern.

Usage

From source file:com.iw.plugins.spindle.ui.widgets.TypeChooserWidget.java

License:Mozilla Public License

public void configure(final IJavaProject project, final IRunnableContext context) {
    try {/*from   w  w  w .j  av  a2 s .  com*/
        final boolean baseIsInterface = fHierarchyRoot.isInterface();
        fSearchResults = new ArrayList();
        IRunnableWithProgress runnable = new IRunnableWithProgress() {
            public void run(final IProgressMonitor monitor)
                    throws InvocationTargetException, InterruptedException {
                IJavaSearchScope scope = null;
                try {
                    // we want to rip out the JRE entry as there's no chance of finding a tapestry class there.
                    ArrayList roots = new ArrayList();
                    IClasspathEntry[] classpath = project.getRawClasspath();
                    for (int i = 0; i < classpath.length; i++) {
                        if (classpath[i].getEntryKind() == IClasspathEntry.CPE_CONTAINER) {
                            IPath cpPath = classpath[i].getPath();
                            if (JavaRuntime.JRE_CONTAINER.equals(cpPath.segment(0)))
                                continue;
                        }
                        roots.add(project.findPackageFragmentRoots(classpath[i]));
                    }

                    scope = SearchEngine.createJavaSearchScope(
                            (IJavaElement[]) roots.toArray(new IJavaElement[roots.size()]), true);

                } catch (JavaModelException e1) {
                    scope = SearchEngine.createJavaSearchScope(new IJavaElement[] { project }, true);
                }
                ISearchPattern pattern = SearchEngine.createSearchPattern("*", IJavaSearchConstants.TYPE,
                        IJavaSearchConstants.DECLARATIONS, true);

                SearchEngine engine = new SearchEngine();
                IJavaSearchResultCollector collector = new IJavaSearchResultCollector() {
                    public void aboutToStart() {
                    }

                    public void accept(IResource resource, int start, int end, IJavaElement enclosingElement,
                            int accuracy) throws CoreException {
                        if (accuracy != EXACT_MATCH)
                            return;

                        if (enclosingElement.getElementType() != IJavaElement.TYPE)
                            return;

                        IType type = (IType) enclosingElement;
                        System.out.println(type.getFullyQualifiedName());

                        if (baseIsInterface) {
                            if (!CoreUtils.implementsInterface(type, fHierarchyRoot.getElementName()))
                                return;
                        } else {
                            if (!CoreUtils.extendsType(type, fHierarchyRoot))
                                return;
                        }

                        System.out.println(type.getFullyQualifiedName());

                        fSearchResults.add(type);
                    }

                    public void done() {
                    }

                    public IProgressMonitor getProgressMonitor() {
                        return monitor;
                    }
                };
                try {
                    engine.search(ResourcesPlugin.getWorkspace(), pattern, scope, collector);
                } catch (JavaModelException e) {
                    UIPlugin.log(e);
                }
            }
        };

        context.run(false, true, runnable);
    } catch (InvocationTargetException e) {
        UIPlugin.log(e);
    } catch (InterruptedException e) {
        //do nothing;
    } catch (JavaModelException e) {
        UIPlugin.log(e);
    }
}

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