| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.corext.util; |
| |
| import java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.Path; |
| |
| import org.eclipse.jdt.core.*; |
| import org.eclipse.jdt.core.compiler.CharOperation; |
| |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| |
| /** |
| * Utility methods for the Java Model. |
| */ |
| public final class JavaModelUtil { |
| |
| /** |
| * Finds a type by its qualified type name (dot separated). |
| * @param jproject The java project to search in |
| * @param fullyQualifiedName The fully qualified name (type name with enclosing type names and package (all separated by dots)) |
| * @return The type found, or null if not existing |
| */ |
| public static IType findType(IJavaProject jproject, String fullyQualifiedName) throws JavaModelException { |
| //workaround for bug 22883 |
| IType type= jproject.findType(fullyQualifiedName); |
| if (type != null) |
| return type; |
| IPackageFragmentRoot[] roots= jproject.getPackageFragmentRoots(); |
| for (int i= 0; i < roots.length; i++) { |
| IPackageFragmentRoot root= roots[i]; |
| type= findType(root, fullyQualifiedName); |
| if (type != null && type.exists()) |
| return type; |
| } |
| return null; |
| } |
| |
| /** |
| * Returns <code>true</code> if the given package fragment root is |
| * referenced. This means it is own by a different project but is referenced |
| * by the root's parent. Returns <code>false</code> if the given root |
| * doesn't have an underlying resource. |
| */ |
| public static boolean isReferenced(IPackageFragmentRoot root) { |
| IResource resource= root.getResource(); |
| if (resource != null) { |
| IProject jarProject= resource.getProject(); |
| IProject container= root.getJavaProject().getProject(); |
| return !container.equals(jarProject); |
| } |
| return false; |
| } |
| |
| private static IType findType(IPackageFragmentRoot root, String fullyQualifiedName) throws JavaModelException{ |
| IJavaElement[] children= root.getChildren(); |
| for (int i= 0; i < children.length; i++) { |
| IJavaElement element= children[i]; |
| if (element.getElementType() == IJavaElement.PACKAGE_FRAGMENT){ |
| IPackageFragment pack= (IPackageFragment)element; |
| if (! fullyQualifiedName.startsWith(pack.getElementName())) |
| continue; |
| IType type= findType(pack, fullyQualifiedName); |
| if (type != null && type.exists()) |
| return type; |
| } |
| } |
| return null; |
| } |
| |
| private static IType findType(IPackageFragment pack, String fullyQualifiedName) throws JavaModelException{ |
| ICompilationUnit[] cus= pack.getCompilationUnits(); |
| for (int i= 0; i < cus.length; i++) { |
| ICompilationUnit unit= cus[i]; |
| IType type= findType(unit, fullyQualifiedName); |
| if (type != null && type.exists()) |
| return type; |
| } |
| return null; |
| } |
| |
| private static IType findType(ICompilationUnit cu, String fullyQualifiedName) throws JavaModelException{ |
| IType[] types= cu.getAllTypes(); |
| for (int i= 0; i < types.length; i++) { |
| IType type= types[i]; |
| if (getFullyQualifiedName(type).equals(fullyQualifiedName)) |
| return type; |
| } |
| return null; |
| } |
| |
| /** |
| * Finds a type by package and type name. |
| * @param jproject the java project to search in |
| * @param pack The package name |
| * @param typeQualifiedName the type qualified name (type name with enclosing type names (separated by dots)) |
| * @return the type found, or null if not existing |
| * @deprecated Use IJavaProject.findType(String, String) instead |
| */ |
| public static IType findType(IJavaProject jproject, String pack, String typeQualifiedName) throws JavaModelException { |
| return jproject.findType(pack, typeQualifiedName); |
| } |
| |
| /** |
| * Finds a type container by container name. |
| * The returned element will be of type <code>IType</code> or a <code>IPackageFragment</code>. |
| * <code>null</code> is returned if the type container could not be found. |
| * @param jproject The Java project defining the context to search |
| * @param typeContainerName A dot separarted name of the type container |
| * @see #getTypeContainerName(IType) |
| */ |
| public static IJavaElement findTypeContainer(IJavaProject jproject, String typeContainerName) throws JavaModelException { |
| // try to find it as type |
| IJavaElement result= jproject.findType(typeContainerName); |
| if (result == null) { |
| // find it as package |
| IPath path= new Path(typeContainerName.replace('.', '/')); |
| result= jproject.findElement(path); |
| if (!(result instanceof IPackageFragment)) { |
| result= null; |
| } |
| |
| } |
| return result; |
| } |
| |
| /** |
| * Finds a type in a compilation unit. Typical usage is to find the corresponding |
| * type in a working copy. |
| * @param cu the compilation unit to search in |
| * @param typeQualifiedName the type qualified name (type name with enclosing type names (separated by dots)) |
| * @return the type found, or null if not existing |
| */ |
| public static IType findTypeInCompilationUnit(ICompilationUnit cu, String typeQualifiedName) throws JavaModelException { |
| IType[] types= cu.getAllTypes(); |
| for (int i= 0; i < types.length; i++) { |
| String currName= getTypeQualifiedName(types[i]); |
| if (typeQualifiedName.equals(currName)) { |
| return types[i]; |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Finds a a member in a compilation unit. Typical usage is to find the corresponding |
| * member in a working copy. |
| * @param cu the compilation unit (eg. working copy) to search in |
| * @param member the member (eg. from the original) |
| * @return the member found, or null if not existing |
| */ |
| public static IMember findMemberInCompilationUnit(ICompilationUnit cu, IMember member) { |
| IJavaElement[] elements= cu.findElements(member); |
| if (elements != null && elements.length > 0) { |
| return (IMember) elements[0]; |
| } |
| return null; |
| } |
| |
| |
| /** |
| * Returns the element of the given compilation unit which is "equal" to the |
| * given element. Note that the given element usually has a parent different |
| * from the given compilation unit. |
| * |
| * @param cu the cu to search in |
| * @param element the element to look for |
| * @return an element of the given cu "equal" to the given element |
| */ |
| public static IJavaElement findInCompilationUnit(ICompilationUnit cu, IJavaElement element) { |
| IJavaElement[] elements= cu.findElements(element); |
| if (elements != null && elements.length > 0) { |
| return elements[0]; |
| } |
| return null; |
| } |
| |
| /** |
| * Returns the qualified type name of the given type using '.' as separators. |
| * This is a replace for IType.getTypeQualifiedName() |
| * which uses '$' as separators. As '$' is also a valid character in an id |
| * this is ambiguous. JavaCore PR: 1GCFUNT |
| */ |
| public static String getTypeQualifiedName(IType type) { |
| return type.getTypeQualifiedName('.'); |
| } |
| |
| /** |
| * Returns the fully qualified name of the given type using '.' as separators. |
| * This is a replace for IType.getFullyQualifiedTypeName |
| * which uses '$' as separators. As '$' is also a valid character in an id |
| * this is ambiguous. JavaCore PR: 1GCFUNT |
| */ |
| public static String getFullyQualifiedName(IType type) { |
| return type.getFullyQualifiedName('.'); |
| } |
| |
| /** |
| * Returns the fully qualified name of a type's container. (package name or enclosing type name) |
| */ |
| public static String getTypeContainerName(IType type) { |
| IType outerType= type.getDeclaringType(); |
| if (outerType != null) { |
| return outerType.getFullyQualifiedName('.'); |
| } else { |
| return type.getPackageFragment().getElementName(); |
| } |
| } |
| |
| |
| /** |
| * Concatenates two names. Uses a dot for separation. |
| * Both strings can be empty or <code>null</code>. |
| */ |
| public static String concatenateName(String name1, String name2) { |
| StringBuffer buf= new StringBuffer(); |
| if (name1 != null && name1.length() > 0) { |
| buf.append(name1); |
| } |
| if (name2 != null && name2.length() > 0) { |
| if (buf.length() > 0) { |
| buf.append('.'); |
| } |
| buf.append(name2); |
| } |
| return buf.toString(); |
| } |
| |
| /** |
| * Concatenates two names. Uses a dot for separation. |
| * Both strings can be empty or <code>null</code>. |
| */ |
| public static String concatenateName(char[] name1, char[] name2) { |
| StringBuffer buf= new StringBuffer(); |
| if (name1 != null && name1.length > 0) { |
| buf.append(name1); |
| } |
| if (name2 != null && name2.length > 0) { |
| if (buf.length() > 0) { |
| buf.append('.'); |
| } |
| buf.append(name2); |
| } |
| return buf.toString(); |
| } |
| |
| /** |
| * Evaluates if a member (possible from another package) is visible from |
| * elements in a package. |
| * @param member The member to test the visibility for |
| * @param pack The package in focus |
| */ |
| public static boolean isVisible(IMember member, IPackageFragment pack) throws JavaModelException { |
| |
| int type= member.getElementType(); |
| if (type == IJavaElement.INITIALIZER || (type == IJavaElement.METHOD && member.getElementName().startsWith("<"))) { //$NON-NLS-1$ |
| return false; |
| } |
| |
| int otherflags= member.getFlags(); |
| IType declaringType= member.getDeclaringType(); |
| if (Flags.isPublic(otherflags) || (declaringType != null && declaringType.isInterface())) { |
| return true; |
| } else if (Flags.isPrivate(otherflags)) { |
| return false; |
| } |
| |
| IPackageFragment otherpack= (IPackageFragment) findParentOfKind(member, IJavaElement.PACKAGE_FRAGMENT); |
| return (pack != null && otherpack != null && isSamePackage(pack, otherpack)); |
| } |
| |
| /** |
| * Evaluates if a member in the focus' element hierarchy is visible from |
| * elements in a package. |
| * @param member The member to test the visibility for |
| * @param pack The package of the focus element focus |
| */ |
| public static boolean isVisibleInHierarchy(IMember member, IPackageFragment pack) throws JavaModelException { |
| int type= member.getElementType(); |
| if (type == IJavaElement.INITIALIZER || (type == IJavaElement.METHOD && member.getElementName().startsWith("<"))) { //$NON-NLS-1$ |
| return false; |
| } |
| |
| int otherflags= member.getFlags(); |
| |
| IType declaringType= member.getDeclaringType(); |
| if (Flags.isPublic(otherflags) || Flags.isProtected(otherflags) || (declaringType != null && declaringType.isInterface())) { |
| return true; |
| } else if (Flags.isPrivate(otherflags)) { |
| return false; |
| } |
| |
| IPackageFragment otherpack= (IPackageFragment) findParentOfKind(member, IJavaElement.PACKAGE_FRAGMENT); |
| return (pack != null && pack.equals(otherpack)); |
| } |
| |
| |
| /** |
| * Returns the package fragment root of <code>IJavaElement</code>. If the given |
| * element is already a package fragment root, the element itself is returned. |
| */ |
| public static IPackageFragmentRoot getPackageFragmentRoot(IJavaElement element) { |
| return (IPackageFragmentRoot) element.getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT); |
| } |
| |
| /** |
| * Returns the parent of the supplied java element that conforms to the given |
| * parent type or <code>null</code>, if such a parent doesn't exit. |
| * @deprecated Use element.getParent().getAncestor(kind); |
| */ |
| public static IJavaElement findParentOfKind(IJavaElement element, int kind) { |
| if (element != null && element.getParent() != null) { |
| return element.getParent().getAncestor(kind); |
| } |
| return null; |
| } |
| |
| /** |
| * Finds a method in a type. |
| * This searches for a method with the same name and signature. Parameter types are only |
| * compared by the simple name, no resolving for the fully qualified type name is done. |
| * Constructors are only compared by parameters, not the name. |
| * @param name The name of the method to find |
| * @param paramTypes The type signatures of the parameters e.g. <code>{"QString;","I"}</code> |
| * @param isConstructor If the method is a constructor |
| * @return The first found method or <code>null</code>, if nothing found |
| */ |
| public static IMethod findMethod(String name, String[] paramTypes, boolean isConstructor, IType type) throws JavaModelException { |
| return findMethod(name, paramTypes, isConstructor, type.getMethods()); |
| } |
| |
| /** |
| * Finds a method by name. |
| * This searches for a method with a name and signature. Parameter types are only |
| * compared by the simple name, no resolving for the fully qualified type name is done. |
| * Constructors are only compared by parameters, not the name. |
| * @param name The name of the method to find |
| * @param paramTypes The type signatures of the parameters e.g. <code>{"QString;","I"}</code> |
| * @param isConstructor If the method is a constructor |
| * @param methods The methods to search in |
| * @return The found method or <code>null</code>, if nothing found |
| */ |
| public static IMethod findMethod(String name, String[] paramTypes, boolean isConstructor, IMethod[] methods) throws JavaModelException { |
| for (int i= methods.length - 1; i >= 0; i--) { |
| if (isSameMethodSignature(name, paramTypes, isConstructor, methods[i])) { |
| return methods[i]; |
| } |
| } |
| return null; |
| } |
| |
| |
| /** |
| * Finds a method declararion in a type's hierarchy. The search is top down, so this |
| * returns the first declaration of the method in the hierarchy. |
| * This searches for a method with a name and signature. Parameter types are only |
| * compared by the simple name, no resolving for the fully qualified type name is done. |
| * Constructors are only compared by parameters, not the name. |
| * @param type Searches in this type's supertypes. |
| * @param name The name of the method to find |
| * @param paramTypes The type signatures of the parameters e.g. <code>{"QString;","I"}</code> |
| * @param isConstructor If the method is a constructor |
| * @return The first method found or null, if nothing found |
| */ |
| public static IMethod findMethodDeclarationInHierarchy(ITypeHierarchy hierarchy, IType type, String name, String[] paramTypes, boolean isConstructor) throws JavaModelException { |
| IType[] superTypes= hierarchy.getAllSupertypes(type); |
| for (int i= superTypes.length - 1; i >= 0; i--) { |
| IMethod first= findMethod(name, paramTypes, isConstructor, superTypes[i]); |
| if (first != null && !Flags.isPrivate(first.getFlags())) { |
| // the order getAllSupertypes does make assumptions of the order of inner elements -> search recursivly |
| IMethod res= findMethodDeclarationInHierarchy(hierarchy, first.getDeclaringType(), name, paramTypes, isConstructor); |
| if (res != null) { |
| return res; |
| } |
| return first; |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Finds a method implementation in a type's classhierarchy. The search is bottom-up, so this |
| * returns the nearest overridden method. Does not find methods in interfaces or abstract methods. |
| * This searches for a method with a name and signature. Parameter types are only |
| * compared by the simple name, no resolving for the fully qualified type name is done. |
| * Constructors are only compared by parameters, not the name. |
| * @param type Type to search the superclasses |
| * @param name The name of the method to find |
| * @param paramTypes The type signatures of the parameters e.g. <code>{"QString;","I"}</code> |
| * @param isConstructor If the method is a constructor |
| * @return The first method found or null, if nothing found |
| */ |
| public static IMethod findMethodImplementationInHierarchy(ITypeHierarchy hierarchy, IType type, String name, String[] paramTypes, boolean isConstructor) throws JavaModelException { |
| IType[] superTypes= hierarchy.getAllSuperclasses(type); |
| for (int i= 0; i < superTypes.length; i++) { |
| IMethod found= findMethod(name, paramTypes, isConstructor, superTypes[i]); |
| if (found != null) { |
| if (Flags.isAbstract(found.getFlags())) { |
| return null; |
| } |
| return found; |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Tests if a method equals to the given signature. |
| * Parameter types are only compared by the simple name, no resolving for |
| * the fully qualified type name is done. Constructors are only compared by |
| * parameters, not the name. |
| * @param name Name of the method |
| * @param paramTypes The type signatures of the parameters e.g. <code>{"QString;","I"}</code> |
| * @param isConstructor Specifies if the method is a constructor |
| * @return Returns <code>true</code> if the method has the given name and parameter types and constructor state. |
| */ |
| public static boolean isSameMethodSignature(String name, String[] paramTypes, boolean isConstructor, IMethod curr) throws JavaModelException { |
| if (isConstructor || name.equals(curr.getElementName())) { |
| if (isConstructor == curr.isConstructor()) { |
| String[] currParamTypes= curr.getParameterTypes(); |
| if (paramTypes.length == currParamTypes.length) { |
| for (int i= 0; i < paramTypes.length; i++) { |
| String t1= Signature.getSimpleName(Signature.toString(paramTypes[i])); |
| String t2= Signature.getSimpleName(Signature.toString(currParamTypes[i])); |
| if (!t1.equals(t2)) { |
| return false; |
| } |
| } |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| |
| /** |
| * Tests if two <code>IPackageFragment</code>s represent the same logical java package. |
| * @return <code>true</code> if the package fragments' names are equal. |
| */ |
| public static boolean isSamePackage(IPackageFragment pack1, IPackageFragment pack2) { |
| return pack1.getElementName().equals(pack2.getElementName()); |
| } |
| |
| /** |
| * Checks whether the given type has a valid main method or not. |
| */ |
| public static boolean hasMainMethod(IType type) throws JavaModelException { |
| IMethod[] methods= type.getMethods(); |
| for (int i= 0; i < methods.length; i++) { |
| if (methods[i].isMainMethod()) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Checks if the field is boolean. |
| */ |
| public static boolean isBoolean(IField field) throws JavaModelException{ |
| return field.getTypeSignature().equals(Signature.SIG_BOOLEAN); |
| } |
| |
| /** |
| * Returns true if the element is on the build path of the given project |
| * @deprecated Use jproject.isOnClasspath(element); |
| */ |
| public static boolean isOnBuildPath(IJavaProject jproject, IJavaElement element) { |
| return jproject.isOnClasspath(element); |
| } |
| |
| /** |
| * Tests if the given element is on the class path of its containing project. Handles the case |
| * that the containing project isn't a Java project. |
| */ |
| public static boolean isOnClasspath(IJavaElement element) { |
| IJavaProject project= element.getJavaProject(); |
| if (!project.exists()) |
| return false; |
| return project.isOnClasspath(element); |
| } |
| |
| /** |
| * Resolves a type name in the context of the declaring type. |
| * @param refTypeSig the type name in signature notation (for example 'QVector') |
| * this can also be an array type, but dimensions will be ignored. |
| * @param declaringType the context for resolving (type where the reference was made in) |
| * @return returns the fully qualified type name or build-in-type name. |
| * if a unresoved type couldn't be resolved null is returned |
| */ |
| public static String getResolvedTypeName(String refTypeSig, IType declaringType) throws JavaModelException { |
| int arrayCount= Signature.getArrayCount(refTypeSig); |
| char type= refTypeSig.charAt(arrayCount); |
| if (type == Signature.C_UNRESOLVED) { |
| int semi= refTypeSig.indexOf(Signature.C_SEMICOLON, arrayCount + 1); |
| if (semi == -1) { |
| throw new IllegalArgumentException(); |
| } |
| String name= refTypeSig.substring(arrayCount + 1, semi); |
| |
| String[][] resolvedNames= declaringType.resolveType(name); |
| if (resolvedNames != null && resolvedNames.length > 0) { |
| return JavaModelUtil.concatenateName(resolvedNames[0][0], resolvedNames[0][1]); |
| } |
| return null; |
| } else { |
| return Signature.toString(refTypeSig.substring(arrayCount)); |
| } |
| } |
| |
| /** |
| * Returns if a CU can be edited. |
| */ |
| public static boolean isEditable(ICompilationUnit cu) { |
| IResource resource= toOriginal(cu).getResource(); |
| return (resource.exists() && !resource.isReadOnly()); |
| } |
| |
| /** |
| * Finds a qualified import for a type name. |
| */ |
| public static IImportDeclaration findImport(ICompilationUnit cu, String simpleName) throws JavaModelException { |
| IImportDeclaration[] existing= cu.getImports(); |
| for (int i= 0; i < existing.length; i++) { |
| String curr= existing[i].getElementName(); |
| if (curr.endsWith(simpleName)) { |
| int dotPos= curr.length() - simpleName.length() - 1; |
| if ((dotPos == -1) || (dotPos > 0 && curr.charAt(dotPos) == '.')) { |
| return existing[i]; |
| } |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Returns the original if the given member. If the member is already |
| * an original the input is returned. The returned member might not exist |
| */ |
| public static IMember toOriginal(IMember member) { |
| if (PRIMARY_ONLY) { |
| testCompilationUnitOwner("toOriginal", member.getCompilationUnit()); //$NON-NLS-1$ |
| } |
| if (member instanceof IMethod) |
| return toOriginalMethod((IMethod)member); |
| |
| return (IMember) member.getPrimaryElement(); |
| /*ICompilationUnit cu= member.getCompilationUnit(); |
| if (cu != null && cu.isWorkingCopy()) |
| return (IMember)cu.getOriginal(member); |
| return member;*/ |
| } |
| |
| /* |
| * XXX workaround for bug 18568 |
| * http://bugs.eclipse.org/bugs/show_bug.cgi?id=18568 |
| * to be removed once the bug is fixed |
| */ |
| private static IMethod toOriginalMethod(IMethod method) { |
| ICompilationUnit cu= method.getCompilationUnit(); |
| if (JavaPlugin.USE_WORKING_COPY_OWNERS && (cu == null || isPrimary(cu))) { |
| return method; |
| } |
| try{ |
| //use the workaround only if needed |
| if (! method.getElementName().equals(method.getDeclaringType().getElementName())) |
| return (IMethod) method.getPrimaryElement(); |
| |
| IType originalType = (IType) toOriginal(method.getDeclaringType()); |
| IMethod[] methods = originalType.findMethods(method); |
| boolean isConstructor = method.isConstructor(); |
| for (int i=0; i < methods.length; i++) { |
| if (methods[i].isConstructor() == isConstructor) |
| return methods[i]; |
| } |
| return null; |
| } catch (JavaModelException e){ |
| return null; |
| } |
| } |
| |
| private static boolean PRIMARY_ONLY= false; |
| |
| /** |
| * Returns the original cu if the given cu is a working copy. If the cu is already |
| * an original the input cu is returned. The returned cu might not exist |
| */ |
| public static ICompilationUnit toOriginal(ICompilationUnit cu) { |
| if (PRIMARY_ONLY) { |
| testCompilationUnitOwner("toOriginal", cu); //$NON-NLS-1$ |
| } |
| // To stay compatible with old version returned null |
| // if cu is null |
| if (cu == null) |
| return cu; |
| return cu.getPrimary(); |
| } |
| |
| /** |
| * Returns the original element if the given element is a working copy. If the cu is already |
| * an original the input element is returned. The returned element might not exist |
| */ |
| public static IJavaElement toOriginal(IJavaElement element) { |
| return element.getPrimaryElement(); |
| } |
| |
| private static void testCompilationUnitOwner(String methodName, ICompilationUnit cu) { |
| if (cu == null) { |
| return; |
| } |
| if (!isPrimary(cu)) { |
| JavaPlugin.logErrorMessage(methodName + ": operating with non-primary cu"); //$NON-NLS-1$ |
| } |
| } |
| |
| |
| /** |
| * @deprecated Inline this method. |
| */ |
| public static IMember toWorkingCopy(IMember member) { |
| return member; |
| } |
| |
| /** |
| * @deprecated Inline this method. |
| */ |
| public static IPackageDeclaration toWorkingCopy(IPackageDeclaration declaration) { |
| return declaration; |
| } |
| |
| /** |
| * @deprecated Inline this method. |
| */ |
| public static IJavaElement toWorkingCopy(IJavaElement elem) { |
| return elem; |
| } |
| |
| /** |
| * @deprecated Inline this method. |
| */ |
| public static IImportContainer toWorkingCopy(IImportContainer container) { |
| return container; |
| |
| } |
| |
| /** |
| * @deprecated Inline this method. |
| */ |
| public static IImportDeclaration toWorkingCopy(IImportDeclaration importDeclaration) { |
| return importDeclaration; |
| } |
| |
| |
| /** |
| * @deprecated Inline this method. |
| */ |
| public static ICompilationUnit toWorkingCopy(ICompilationUnit cu) { |
| return cu; |
| } |
| |
| /** |
| * Returns true if a cu is a primary cu (original or shared working copy) |
| */ |
| public static boolean isPrimary(ICompilationUnit cu) { |
| return cu.getOwner() == null; |
| } |
| |
| |
| /* |
| * http://bugs.eclipse.org/bugs/show_bug.cgi?id=19253 |
| * |
| * Reconciling happens in a separate thread. This can cause a situation where the |
| * Java element gets disposed after an exists test has been done. So we should not |
| * log not present exceptions when they happen in working copies. |
| */ |
| public static boolean filterNotPresentException(CoreException exception) { |
| if (!(exception instanceof JavaModelException)) |
| return true; |
| JavaModelException je= (JavaModelException)exception; |
| if (!je.isDoesNotExist()) |
| return true; |
| IJavaElement[] elements= je.getJavaModelStatus().getElements(); |
| for (int i= 0; i < elements.length; i++) { |
| IJavaElement element= elements[i]; |
| ICompilationUnit unit= (ICompilationUnit)element.getAncestor(IJavaElement.COMPILATION_UNIT); |
| if (unit == null) |
| return true; |
| if (!unit.isWorkingCopy()) |
| return true; |
| } |
| return false; |
| } |
| |
| public static IType[] getAllSuperTypes(IType type, IProgressMonitor pm) throws JavaModelException { |
| //workaround for 23656 |
| Set types= new HashSet(Arrays.asList(type.newSupertypeHierarchy(pm).getAllSupertypes(type))); |
| IType objekt= type.getJavaProject().findType("java.lang.Object");//$NON-NLS-1$ |
| if (objekt != null) |
| types.add(objekt); |
| return (IType[]) types.toArray(new IType[types.size()]); |
| } |
| |
| public static boolean isExcludedPath(IPath resourcePath, IPath[] exclusionPatterns) { |
| char[] path = resourcePath.toString().toCharArray(); |
| for (int i = 0, length = exclusionPatterns.length; i < length; i++) { |
| char[] pattern= exclusionPatterns[i].toString().toCharArray(); |
| if (CharOperation.pathMatch(pattern, path, true, '/')) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| |
| /* |
| * Returns whether the given resource path matches one of the exclusion |
| * patterns. |
| * |
| * @see IClasspathEntry#getExclusionPatterns |
| */ |
| public final static boolean isExcluded(IPath resourcePath, char[][] exclusionPatterns) { |
| if (exclusionPatterns == null) return false; |
| char[] path = resourcePath.toString().toCharArray(); |
| for (int i = 0, length = exclusionPatterns.length; i < length; i++) |
| if (CharOperation.pathMatch(exclusionPatterns[i], path, true, '/')) |
| return true; |
| return false; |
| } |
| |
| |
| /** |
| * Force a reconcile of a compilation unit. |
| * @param unit |
| */ |
| public static void reconcile(ICompilationUnit unit) throws JavaModelException { |
| synchronized(unit) { |
| unit.reconcile(); |
| } |
| } |
| |
| private static Boolean fgIsJDTCore_1_5= null; |
| |
| /** |
| * Return true if JRE 1.5 in enabled. |
| */ |
| public static boolean isJDTCore_1_5() { |
| if (fgIsJDTCore_1_5 == null) { |
| try { |
| Class.forName("org.eclipse.jdt.internal.compiler.lookup.TypeVariableBinding"); //$NON-NLS-1$ |
| fgIsJDTCore_1_5= Boolean.TRUE; |
| } catch (ClassNotFoundException e) { |
| fgIsJDTCore_1_5= Boolean.FALSE; |
| } |
| } |
| return fgIsJDTCore_1_5.booleanValue(); |
| } |
| |
| |
| |
| |
| |
| } |