| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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: |
| * Jesper Kamstrup Linnet (eclipse@kamstrup-linnet.dk) - initial API and implementation |
| * (report 36180: Callers/Callees view) |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.corext.callhierarchy; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.StringTokenizer; |
| |
| import org.eclipse.core.runtime.NullProgressMonitor; |
| |
| import org.eclipse.jdt.core.IClassFile; |
| import org.eclipse.jdt.core.ICompilationUnit; |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.IMember; |
| import org.eclipse.jdt.core.IMethod; |
| import org.eclipse.jdt.core.JavaModelException; |
| import org.eclipse.jdt.core.dom.AST; |
| import org.eclipse.jdt.core.dom.ASTParser; |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| import org.eclipse.jdt.core.search.IJavaSearchScope; |
| import org.eclipse.jdt.core.search.SearchEngine; |
| |
| import org.eclipse.jface.preference.IPreferenceStore; |
| |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| import org.eclipse.jdt.internal.ui.util.StringMatcher; |
| |
| public class CallHierarchy { |
| private static final String PREF_USE_IMPLEMENTORS= "PREF_USE_IMPLEMENTORS"; //$NON-NLS-1$ |
| private static final String PREF_USE_FILTERS = "PREF_USE_FILTERS"; //$NON-NLS-1$ |
| private static final String PREF_FILTERS_LIST = "PREF_FILTERS_LIST"; //$NON-NLS-1$ |
| |
| private static final String DEFAULT_IGNORE_FILTERS = "java.*,javax.*"; //$NON-NLS-1$ |
| private static CallHierarchy fgInstance; |
| private IJavaSearchScope fSearchScope; |
| private StringMatcher[] fFilters; |
| |
| public static CallHierarchy getDefault() { |
| if (fgInstance == null) { |
| fgInstance = new CallHierarchy(); |
| } |
| |
| return fgInstance; |
| } |
| |
| public boolean isSearchUsingImplementorsEnabled() { |
| IPreferenceStore settings = JavaPlugin.getDefault().getPreferenceStore(); |
| |
| return settings.getBoolean(PREF_USE_IMPLEMENTORS); |
| } |
| |
| public void setSearchUsingImplementorsEnabled(boolean enabled) { |
| IPreferenceStore settings = JavaPlugin.getDefault().getPreferenceStore(); |
| |
| settings.setValue(PREF_USE_IMPLEMENTORS, enabled); |
| } |
| |
| public Collection getImplementingMethods(IMethod method) { |
| if (isSearchUsingImplementorsEnabled()) { |
| IJavaElement[] result = Implementors.getInstance().searchForImplementors(new IJavaElement[] { |
| method |
| }, new NullProgressMonitor()); |
| |
| if ((result != null) && (result.length > 0)) { |
| return Arrays.asList(result); |
| } |
| } |
| |
| return new ArrayList(0); |
| } |
| |
| public Collection getInterfaceMethods(IMethod method) { |
| if (isSearchUsingImplementorsEnabled()) { |
| IJavaElement[] result = Implementors.getInstance().searchForInterfaces(new IJavaElement[] { |
| method |
| }, new NullProgressMonitor()); |
| |
| if ((result != null) && (result.length > 0)) { |
| return Arrays.asList(result); |
| } |
| } |
| |
| return new ArrayList(0); |
| } |
| |
| public MethodWrapper getCallerRoot(IMethod method) { |
| return new CallerMethodWrapper(null, new MethodCall(method)); |
| } |
| |
| public MethodWrapper getCalleeRoot(IMethod method) { |
| return new CalleeMethodWrapper(null, new MethodCall(method)); |
| } |
| |
| public static CallLocation getCallLocation(Object element) { |
| CallLocation callLocation = null; |
| |
| if (element instanceof MethodWrapper) { |
| MethodWrapper methodWrapper = (MethodWrapper) element; |
| MethodCall methodCall = methodWrapper.getMethodCall(); |
| |
| if (methodCall != null) { |
| callLocation = methodCall.getFirstCallLocation(); |
| } |
| } else if (element instanceof CallLocation) { |
| callLocation = (CallLocation) element; |
| } |
| |
| return callLocation; |
| } |
| |
| public IJavaSearchScope getSearchScope() { |
| if (fSearchScope == null) { |
| fSearchScope= SearchEngine.createWorkspaceScope(); |
| } |
| |
| return fSearchScope; |
| } |
| |
| public void setSearchScope(IJavaSearchScope searchScope) { |
| this.fSearchScope = searchScope; |
| } |
| |
| /** |
| * Checks whether the fully qualified name is ignored by the set filters. |
| * |
| * @param fullyQualifiedName |
| * |
| * @return True if the fully qualified name is ignored. |
| */ |
| public boolean isIgnored(String fullyQualifiedName) { |
| if ((getIgnoreFilters() != null) && (getIgnoreFilters().length > 0)) { |
| for (int i = 0; i < getIgnoreFilters().length; i++) { |
| String fullyQualifiedName1 = fullyQualifiedName; |
| |
| if (getIgnoreFilters()[i].match(fullyQualifiedName1)) { |
| return true; |
| } |
| } |
| } |
| |
| return false; |
| } |
| |
| public boolean isFilterEnabled() { |
| IPreferenceStore settings = JavaPlugin.getDefault().getPreferenceStore(); |
| return settings.getBoolean(PREF_USE_FILTERS); |
| } |
| |
| public void setFilterEnabled(boolean filterEnabled) { |
| IPreferenceStore settings = JavaPlugin.getDefault().getPreferenceStore(); |
| settings.setValue(PREF_USE_FILTERS, filterEnabled); |
| } |
| |
| /** |
| * Returns the current filters as a string. |
| */ |
| public String getFilters() { |
| IPreferenceStore settings = JavaPlugin.getDefault().getPreferenceStore(); |
| |
| return settings.getString(PREF_FILTERS_LIST); |
| } |
| |
| public void setFilters(String filters) { |
| fFilters = null; |
| |
| IPreferenceStore settings = JavaPlugin.getDefault().getPreferenceStore(); |
| settings.setValue(PREF_FILTERS_LIST, filters); |
| } |
| |
| /** |
| * Returns filters for packages which should not be included in the search results. |
| * |
| * @return StringMatcher[] |
| */ |
| private StringMatcher[] getIgnoreFilters() { |
| if (fFilters == null) { |
| String filterString = null; |
| |
| if (isFilterEnabled()) { |
| filterString = getFilters(); |
| |
| if (filterString == null) { |
| filterString = DEFAULT_IGNORE_FILTERS; |
| } |
| } |
| |
| if (filterString != null) { |
| fFilters = parseList(filterString); |
| } else { |
| fFilters = null; |
| } |
| } |
| |
| return fFilters; |
| } |
| |
| /** |
| * Parses the comma separated string into an array of StringMatcher objects |
| * |
| * @return list |
| */ |
| private static StringMatcher[] parseList(String listString) { |
| List list = new ArrayList(10); |
| StringTokenizer tokenizer = new StringTokenizer(listString, ","); //$NON-NLS-1$ |
| |
| while (tokenizer.hasMoreTokens()) { |
| String textFilter = tokenizer.nextToken().trim(); |
| list.add(new StringMatcher(textFilter, false, false)); |
| } |
| |
| return (StringMatcher[]) list.toArray(new StringMatcher[list.size()]); |
| } |
| |
| static CompilationUnit getCompilationUnitNode(IMember member, boolean resolveBindings) { |
| if (member.isBinary()) { |
| IClassFile classFile= member.getClassFile(); |
| try { |
| if (classFile != null && classFile.exists() && classFile.getSource() != null) { |
| ASTParser parser= ASTParser.newParser(AST.JLS3); |
| parser.setSource(classFile); |
| parser.setResolveBindings(resolveBindings); |
| return (CompilationUnit) parser.createAST(null); |
| } |
| } catch (JavaModelException e) { |
| JavaPlugin.log(e); |
| } |
| } else { |
| ICompilationUnit icu= member.getCompilationUnit(); |
| if (icu != null && icu.exists()) { |
| ASTParser parser= ASTParser.newParser(AST.JLS3); |
| parser.setSource(icu); |
| parser.setResolveBindings(resolveBindings); |
| return (CompilationUnit) parser.createAST(null); |
| } |
| } |
| return null; |
| } |
| } |