| /******************************************************************************* |
| * Copyright (c) 2000, 2013 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.aspectj.org.eclipse.jdt.internal.core.util; |
| |
| import java.util.ArrayList; |
| |
| import org.aspectj.org.eclipse.jdt.core.IAnnotatable; |
| import org.aspectj.org.eclipse.jdt.core.ICompilationUnit; |
| import org.aspectj.org.eclipse.jdt.core.IJavaElement; |
| import org.aspectj.org.eclipse.jdt.core.IMethod; |
| import org.aspectj.org.eclipse.jdt.core.IOpenable; |
| import org.aspectj.org.eclipse.jdt.core.IPackageFragment; |
| import org.aspectj.org.eclipse.jdt.core.IType; |
| import org.aspectj.org.eclipse.jdt.core.ITypeRoot; |
| import org.aspectj.org.eclipse.jdt.core.JavaModelException; |
| import org.aspectj.org.eclipse.jdt.core.Signature; |
| import org.aspectj.org.eclipse.jdt.core.WorkingCopyOwner; |
| import org.aspectj.org.eclipse.jdt.core.compiler.CharOperation; |
| import org.aspectj.org.eclipse.jdt.internal.compiler.util.SuffixConstants; |
| import org.aspectj.org.eclipse.jdt.internal.core.*; |
| |
| @SuppressWarnings({"rawtypes", "unchecked"}) |
| public class JavaElementFinder extends BindingKeyParser { |
| |
| private JavaProject project; |
| private WorkingCopyOwner owner; |
| public IJavaElement element; |
| public JavaModelException exception; |
| private ArrayList types = new ArrayList(); |
| |
| public JavaElementFinder(String key, JavaProject project, WorkingCopyOwner owner) { |
| super(key); |
| this.project = project; |
| this.owner = owner; |
| } |
| |
| private JavaElementFinder(BindingKeyParser parser, JavaProject project, WorkingCopyOwner owner) { |
| super(parser); |
| this.project = project; |
| this.owner = owner; |
| } |
| |
| public void consumeAnnotation() { |
| if (!(this.element instanceof IAnnotatable)) return; |
| int size = this.types.size(); |
| if (size == 0) return; |
| IJavaElement annotationType = ((JavaElementFinder) this.types.get(size-1)).element; |
| this.element = ((IAnnotatable) this.element).getAnnotation(annotationType.getElementName()); |
| } |
| |
| public void consumeField(char[] fieldName) { |
| if (!(this.element instanceof IType)) return; |
| this.element = ((IType) this.element).getField(new String(fieldName)); |
| } |
| |
| public void consumeFullyQualifiedName(char[] fullyQualifiedName) { |
| try { |
| this.element = this.project.findType(new String(CharOperation.replaceOnCopy(fullyQualifiedName, '/', '.')), this.owner); |
| } catch (JavaModelException e) { |
| this.exception = e; |
| } |
| } |
| |
| public void consumeLocalType(char[] uniqueKey) { |
| if (this.element == null) return; |
| if (this.element instanceof BinaryType) { |
| int lastSlash = CharOperation.lastIndexOf('/', uniqueKey); |
| int end = CharOperation.indexOf(';', uniqueKey, lastSlash+1); |
| char[] localName = CharOperation.subarray(uniqueKey, lastSlash+1, end); |
| IPackageFragment pkg = (IPackageFragment) this.element.getAncestor(IJavaElement.PACKAGE_FRAGMENT); |
| this.element = pkg.getClassFile(new String(localName) + SuffixConstants.SUFFIX_STRING_class); |
| } else { |
| int firstDollar = CharOperation.indexOf('$', uniqueKey); |
| int end = CharOperation.indexOf('$', uniqueKey, firstDollar+1); |
| if (end == -1) |
| end = CharOperation.indexOf(';', uniqueKey, firstDollar+1); |
| char[] sourceStart = CharOperation.subarray(uniqueKey, firstDollar+1, end); |
| int position = Integer.parseInt(new String(sourceStart)); |
| try { |
| this.element = ((ITypeRoot) this.element.getOpenable()).getElementAt(position); |
| } catch (JavaModelException e) { |
| this.exception = e; |
| } |
| } |
| } |
| |
| public void consumeMemberType(char[] simpleTypeName) { |
| if (!(this.element instanceof IType)) return; |
| this.element = ((IType) this.element).getType(new String(simpleTypeName)); |
| } |
| |
| public void consumeMethod(char[] selector, char[] signature) { |
| if (!(this.element instanceof IType)) return; |
| String[] parameterTypes = Signature.getParameterTypes(new String(signature)); |
| IType type = (IType) this.element; |
| IMethod method = type.getMethod(new String(selector), parameterTypes); |
| IMethod[] methods = type.findMethods(method); |
| if (methods.length > 0) |
| this.element = methods[0]; |
| } |
| |
| public void consumePackage(char[] pkgName) { |
| pkgName = CharOperation.replaceOnCopy(pkgName, '/', '.'); |
| try { |
| this.element = this.project.findPackageFragment(new String(pkgName)); |
| } catch (JavaModelException e) { |
| this.exception = e; |
| } |
| } |
| |
| public void consumeParser(BindingKeyParser parser) { |
| this.types.add(parser); |
| } |
| |
| public void consumeSecondaryType(char[] simpleTypeName) { |
| if (this.element == null) return; |
| IOpenable openable = this.element.getOpenable(); |
| if (!(openable instanceof ICompilationUnit)) return; |
| this.element = ((ICompilationUnit) openable).getType(new String(simpleTypeName)); |
| } |
| |
| public void consumeTypeVariable(char[] position, char[] typeVariableName) { |
| if (this.element == null) return; |
| switch (this.element.getElementType()) { |
| case IJavaElement.TYPE: |
| this.element = ((IType) this.element).getTypeParameter(new String(typeVariableName)); |
| break; |
| case IJavaElement.METHOD: |
| this.element = ((IMethod) this.element).getTypeParameter(new String(typeVariableName)); |
| break; |
| } |
| } |
| |
| public BindingKeyParser newParser() { |
| return new JavaElementFinder(this, this.project, this.owner); |
| } |
| |
| } |