org.eclipse.jdt.core.search.TypeNameRequestor Java Examples

private void refreshSearchIndices(IProgressMonitor monitor) throws InvocationTargetException {
	try {
		new SearchEngine().searchAllTypeNames(
				null,
				0,
				// make sure we search a concrete name. This is faster according to Kent
				"_______________".toCharArray(), //$NON-NLS-1$
				SearchPattern.R_EXACT_MATCH | SearchPattern.R_CASE_SENSITIVE,
				IJavaSearchConstants.ENUM,
				SearchEngine.createWorkspaceScope(),
				new TypeNameRequestor() { /* dummy */},
				IJavaSearchConstants.WAIT_UNTIL_READY_TO_SEARCH,
				monitor);
	} catch (JavaModelException e) {
		throw new InvocationTargetException(e);
	}
}
 

public static void waitUntilIndexesReady() {
  // dummy query for waiting until the indexes are ready
  SearchEngine engine = new SearchEngine();
  IJavaSearchScope scope = SearchEngine.createWorkspaceScope();
  try {
    engine.searchAllTypeNames(null, SearchPattern.R_EXACT_MATCH, "!@$#!@".toCharArray(), SearchPattern.R_PATTERN_MATCH | SearchPattern.R_CASE_SENSITIVE,
        IJavaSearchConstants.CLASS, scope, new TypeNameRequestor() {
          public void acceptType(int modifiers, char[] packageName, char[] simpleTypeName, char[][] enclosingTypeNames, String path) {
          }
        }, IJavaSearchConstants.WAIT_UNTIL_READY_TO_SEARCH, null);
  } catch (CoreException e) {
  }
}
 

public void collectContents(IJavaSearchScope searchScope, TypeNameRequestor nameMatchRequestor) throws JavaModelException {
	new SearchEngine().searchAllTypeNames(
			null, 0, // match all package names
			null, 0, // and all type names,
			IJavaSearchConstants.TYPE, // search for types
			searchScope, // in the scope of the current project
			nameMatchRequestor, 
			IJavaSearchConstants.WAIT_UNTIL_READY_TO_SEARCH, // wait for the jdt index to be ready
			new NullProgressMonitor());
}
 

@Override
protected Iterable<IEObjectDescription> internalGetAllElements() {
	IJavaProject javaProject = getTypeProvider().getJavaProject();
	if (javaProject == null)
		return Collections.emptyList();
	final List<IEObjectDescription> allScopedElements = Lists.newArrayListWithExpectedSize(25000);
	try {
		IJavaSearchScope searchScope = SearchEngine.createJavaSearchScope(new IJavaElement[] { javaProject });
		for(Class<?> clazz: Primitives.ALL_PRIMITIVE_TYPES) {
			IEObjectDescription primitive = createScopedElement(clazz.getName());
			if (primitive != null)
				allScopedElements.add(primitive);
		}
		TypeNameRequestor nameMatchRequestor = new TypeNameRequestor() {
			@Override
			public void acceptType(int modifiers, char[] packageName, char[] simpleTypeName,
					char[][] enclosingTypeNames, String path) {
				StringBuilder fqName = new StringBuilder(packageName.length + simpleTypeName.length + 1);
				if (packageName.length != 0) {
					fqName.append(packageName);
					fqName.append('.');
				}
				for(char[] enclosingType: enclosingTypeNames) {
					fqName.append(enclosingType);
					fqName.append('.');
				}
				fqName.append(simpleTypeName);
				String fullyQualifiedName = fqName.toString();
				InternalEObject proxy = createProxy(fullyQualifiedName);
				Map<String, String> userData = null;
				if (enclosingTypeNames.length == 0) {
					userData = ImmutableMap.of("flags", String.valueOf(modifiers));
				} else {
					userData = ImmutableMap.of("flags", String.valueOf(modifiers), "inner", "true");
				}
				IEObjectDescription eObjectDescription = EObjectDescription.create(getQualifiedNameConverter().toQualifiedName(fullyQualifiedName), proxy, userData);
				if (eObjectDescription != null)
					allScopedElements.add(eObjectDescription);
			}
		};
		collectContents(searchScope, nameMatchRequestor);
	}
	catch (JavaModelException e) {
		// ignore
	}
	return allScopedElements;
}
 

/**
 * Returns an appropriate scope consisting of allowed Java class types
 * {@link Boolean}, {@link Double}, {@link Integer} and {@link String}.
 */
@Override
protected Iterable<IEObjectDescription> internalGetAllElements() {
	IJavaProject javaProject = getTypeProvider().getJavaProject();
	if (javaProject == null)
		return Collections.emptyList();
	final List<IEObjectDescription> allScopedElements = Lists.newArrayListWithExpectedSize(25000);
	try {
		IJavaSearchScope searchScope = SearchEngine.createJavaSearchScope(new IJavaElement[] { javaProject });

		// don't add primitives, we handle them as keywords

		TypeNameRequestor nameMatchRequestor = new TypeNameRequestor() {
			@Override
			public void acceptType(int modifiers, char[] packageName, char[] simpleTypeName,
					char[][] enclosingTypeNames, String path) {
				StringBuilder fqName = new StringBuilder(packageName.length + simpleTypeName.length + 1);
				if (packageName.length != 0) {
					fqName.append(packageName);
					fqName.append('.');
				}
				for (char[] enclosingType : enclosingTypeNames) {
					fqName.append(enclosingType);
					fqName.append('.');
				}
				fqName.append(simpleTypeName);
				String fullyQualifiedName = fqName.toString();
				InternalEObject proxy = createProxy(fullyQualifiedName);
				Map<String, String> userData = null;
				if (enclosingTypeNames.length == 0) {
					userData = ImmutableMap.of("flags", String.valueOf(modifiers));
				} else {
					userData = ImmutableMap.of("flags", String.valueOf(modifiers), "inner", "true");
				}
				IEObjectDescription eObjectDescription = EObjectDescription
						.create(getQualifiedNameConverter().toQualifiedName(fullyQualifiedName), proxy, userData);
				if (eObjectDescription != null)
					allScopedElements.add(eObjectDescription);
			}
		};

		// start of modified code

		for (String allowedType : allowedJavaClassTypes) {
			new SearchEngine().searchAllTypeNames("java.lang".toCharArray(), SearchPattern.R_EXACT_MATCH,
					allowedType.toCharArray(), SearchPattern.R_EXACT_MATCH, IJavaSearchConstants.CLASS, searchScope,
					nameMatchRequestor, IJavaSearchConstants.WAIT_UNTIL_READY_TO_SEARCH, new NullProgressMonitor());
		}

		// end of modified code

	} catch (JavaModelException e) {
		// ignore
	}
	return allScopedElements;
}
 

public TypeNameRequestorWrapper(TypeNameRequestor requestor) {
	this.requestor = requestor;
}