| /******************************************************************************* |
| * Copyright (c) 2006, 2008 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v2.0 |
| * 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.wst.jsdt.ui; |
| |
| import java.util.regex.Pattern; |
| |
| import org.eclipse.wst.jsdt.core.IJavaScriptUnit; |
| import org.eclipse.wst.jsdt.core.IJavaScriptProject; |
| import org.eclipse.wst.jsdt.core.JavaScriptModelException; |
| import org.eclipse.wst.jsdt.core.dom.JavaScriptUnit; |
| import org.eclipse.wst.jsdt.core.dom.rewrite.ImportRewrite; |
| |
| /** |
| * |
| * Provisional API: This class/interface is part of an interim API that is still under development and expected to |
| * change significantly before reaching stability. It is being made available at this early stage to solicit feedback |
| * from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken |
| * (repeatedly) as the API evolves. |
| */ |
| public class CodeStyleConfiguration { |
| |
| private static final Pattern SEMICOLON_PATTERN= Pattern.compile(";"); //$NON-NLS-1$ |
| |
| private CodeStyleConfiguration() { |
| // do not instantiate and subclass |
| } |
| |
| |
| /** |
| * Returns a {@link ImportRewrite} using {@link ImportRewrite#create(IJavaScriptUnit, boolean)} and |
| * configures the rewriter with the settings as specified in the JDT UI preferences. |
| * <p> |
| * |
| * @param cu the compilation unit to create the rewriter on |
| * @param restoreExistingImports specifies if the existing imports should be kept or removed. |
| * @return the new rewriter configured with the settings as specified in the JDT UI preferences. |
| * @throws JavaScriptModelException thrown when the compilation unit could not be accessed. |
| * |
| * @see ImportRewrite#create(IJavaScriptUnit, boolean) |
| */ |
| public static ImportRewrite createImportRewrite(IJavaScriptUnit cu, boolean restoreExistingImports) throws JavaScriptModelException { |
| return configureImportRewrite(ImportRewrite.create(cu, restoreExistingImports)); |
| } |
| |
| /** |
| * Returns a {@link ImportRewrite} using {@link ImportRewrite#create(JavaScriptUnit, boolean)} and |
| * configures the rewriter with the settings as specified in the JDT UI preferences. |
| * |
| * @param astRoot the AST root to create the rewriter on |
| * @param restoreExistingImports specifies if the existing imports should be kept or removed. |
| * @return the new rewriter configured with the settings as specified in the JDT UI preferences. |
| * |
| * @see ImportRewrite#create(JavaScriptUnit, boolean) |
| */ |
| public static ImportRewrite createImportRewrite(JavaScriptUnit astRoot, boolean restoreExistingImports) { |
| return configureImportRewrite(ImportRewrite.create(astRoot, restoreExistingImports)); |
| } |
| |
| private static ImportRewrite configureImportRewrite(ImportRewrite rewrite) { |
| IJavaScriptProject project= rewrite.getCompilationUnit().getJavaScriptProject(); |
| String order= PreferenceConstants.getPreference(PreferenceConstants.ORGIMPORTS_IMPORTORDER, project); |
| rewrite.setImportOrder(SEMICOLON_PATTERN.split(order, 0)); |
| |
| String thres= PreferenceConstants.getPreference(PreferenceConstants.ORGIMPORTS_ONDEMANDTHRESHOLD, project); |
| try { |
| int num= Integer.parseInt(thres); |
| if (num == 0) |
| num= 1; |
| rewrite.setOnDemandImportThreshold(num); |
| } catch (NumberFormatException e) { |
| // ignore |
| } |
| String thresStatic= PreferenceConstants.getPreference(PreferenceConstants.ORGIMPORTS_STATIC_ONDEMANDTHRESHOLD, project); |
| try { |
| int num= Integer.parseInt(thresStatic); |
| if (num == 0) |
| num= 1; |
| rewrite.setStaticOnDemandImportThreshold(num); |
| } catch (NumberFormatException e) { |
| // ignore |
| } |
| return rewrite; |
| } |
| |
| |
| |
| } |