| /******************************************************************************* |
| * Copyright (c) 2000, 2010 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.eclipse.jdt.internal.core; |
| |
| import org.eclipse.jdt.core.*; |
| import org.eclipse.jdt.internal.core.util.MementoTokenizer; |
| |
| /** |
| * @see IImportContainer |
| */ |
| public class ImportContainer extends SourceRefElement implements IImportContainer { |
| protected ImportContainer(CompilationUnit parent) { |
| super(parent); |
| } |
| public boolean equals(Object o) { |
| if (!(o instanceof ImportContainer)) return false; |
| return super.equals(o); |
| } |
| /** |
| * @see IJavaElement |
| */ |
| public int getElementType() { |
| return IMPORT_CONTAINER; |
| } |
| /* |
| * @see JavaElement |
| */ |
| public IJavaElement getHandleFromMemento(String token, MementoTokenizer memento, WorkingCopyOwner workingCopyOwner) { |
| switch (token.charAt(0)) { |
| case JEM_COUNT: |
| return getHandleUpdatingCountFromMemento(memento, workingCopyOwner); |
| case JEM_IMPORTDECLARATION: |
| if (memento.hasMoreTokens()) { |
| String importName = memento.nextToken(); |
| JavaElement importDecl = (JavaElement)getImport(importName); |
| return importDecl.getHandleFromMemento(memento, workingCopyOwner); |
| } else { |
| return this; |
| } |
| } |
| return null; |
| } |
| /** |
| * @see JavaElement#getHandleMemento() |
| */ |
| protected char getHandleMementoDelimiter() { |
| return JavaElement.JEM_IMPORTDECLARATION; |
| } |
| /** |
| * @see IImportContainer |
| */ |
| public IImportDeclaration getImport(String importName) { |
| int index = importName.indexOf(".*"); ///$NON-NLS-1$ |
| boolean isOnDemand = index != -1; |
| if (isOnDemand) |
| // make sure to copy the string (so that it doesn't hold on the underlying char[] that might be much bigger than necessary) |
| importName = new String(importName.substring(0, index)); |
| return getImport(importName, isOnDemand); |
| } |
| protected IImportDeclaration getImport(String importName, boolean isOnDemand) { |
| return new ImportDeclaration(this, importName, isOnDemand); |
| } |
| /* |
| * @see JavaElement#getPrimaryElement(boolean) |
| */ |
| public IJavaElement getPrimaryElement(boolean checkOwner) { |
| CompilationUnit cu = (CompilationUnit)this.parent; |
| if (checkOwner && cu.isPrimary()) return this; |
| return cu.getImportContainer(); |
| } |
| /** |
| * @see ISourceReference |
| */ |
| public ISourceRange getSourceRange() throws JavaModelException { |
| IJavaElement[] imports= getChildren(); |
| ISourceRange firstRange= ((ISourceReference)imports[0]).getSourceRange(); |
| ISourceRange lastRange= ((ISourceReference)imports[imports.length - 1]).getSourceRange(); |
| SourceRange range= new SourceRange(firstRange.getOffset(), lastRange.getOffset() + lastRange.getLength() - firstRange.getOffset()); |
| return range; |
| } |
| /** |
| */ |
| public String readableName() { |
| |
| return null; |
| } |
| /** |
| * @private Debugging purposes |
| */ |
| protected void toString(int tab, StringBuffer buffer) { |
| Object info = JavaModelManager.getJavaModelManager().peekAtInfo(this); |
| if (info == null || !(info instanceof JavaElementInfo)) return; |
| IJavaElement[] children = ((JavaElementInfo)info).getChildren(); |
| for (int i = 0; i < children.length; i++) { |
| if (i > 0) buffer.append("\n"); //$NON-NLS-1$ |
| ((JavaElement)children[i]).toString(tab, buffer); |
| } |
| } |
| /** |
| * Debugging purposes |
| */ |
| protected void toStringInfo(int tab, StringBuffer buffer, Object info, boolean showResolvedInfo) { |
| buffer.append(tabString(tab)); |
| buffer.append("<import container>"); //$NON-NLS-1$ |
| if (info == null) { |
| buffer.append(" (not open)"); //$NON-NLS-1$ |
| } |
| } |
| public ISourceRange getNameRange() { |
| return null; |
| } |
| } |