sandbox/java.hints/spi.java.hints/src/org/netbeans/modules/java/hints/spiimpl/JavaHintsPositionRefresher.java
1.1 --- a/sandbox/java.hints/spi.java.hints/src/org/netbeans/modules/java/hints/spiimpl/JavaHintsPositionRefresher.java Mon Dec 19 11:37:36 2016 +0100
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,161 +0,0 @@
1.4 -/*
1.5 - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
1.6 - *
1.7 - * Copyright 2009-2010 Oracle and/or its affiliates. All rights reserved.
1.8 - *
1.9 - * Oracle and Java are registered trademarks of Oracle and/or its affiliates.
1.10 - * Other names may be trademarks of their respective owners.
1.11 - *
1.12 - * The contents of this file are subject to the terms of either the GNU
1.13 - * General Public License Version 2 only ("GPL") or the Common
1.14 - * Development and Distribution License("CDDL") (collectively, the
1.15 - * "License"). You may not use this file except in compliance with the
1.16 - * License. You can obtain a copy of the License at
1.17 - * http://www.netbeans.org/cddl-gplv2.html
1.18 - * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
1.19 - * specific language governing permissions and limitations under the
1.20 - * License. When distributing the software, include this License Header
1.21 - * Notice in each file and include the License file at
1.22 - * nbbuild/licenses/CDDL-GPL-2-CP. Oracle designates this
1.23 - * particular file as subject to the "Classpath" exception as provided
1.24 - * by Oracle in the GPL Version 2 section of the License file that
1.25 - * accompanied this code. If applicable, add the following below the
1.26 - * License Header, with the fields enclosed by brackets [] replaced by
1.27 - * your own identifying information:
1.28 - * "Portions Copyrighted [year] [name of copyright owner]"
1.29 - *
1.30 - * If you wish your version of this file to be governed by only the CDDL
1.31 - * or only the GPL Version 2, indicate your decision by adding
1.32 - * "[Contributor] elects to include this software in this distribution
1.33 - * under the [CDDL or GPL Version 2] license." If you do not indicate a
1.34 - * single choice of license, a recipient has the option to distribute
1.35 - * your version of this file under either the CDDL, the GPL Version 2 or
1.36 - * to extend the choice of license to its licensees as provided above.
1.37 - * However, if you add GPL Version 2 code and therefore, elected the GPL
1.38 - * Version 2 license, then the option applies only if the new code is
1.39 - * made subject to such option by the copyright holder.
1.40 - *
1.41 - * Contributor(s):
1.42 - *
1.43 - * Portions Copyrighted 2009-2010 Sun Microsystems, Inc.
1.44 - */
1.45 -
1.46 -package org.netbeans.modules.java.hints.spiimpl;
1.47 -
1.48 -import java.io.IOException;
1.49 -import java.util.ArrayList;
1.50 -import java.util.Collections;
1.51 -import java.util.HashMap;
1.52 -import java.util.Iterator;
1.53 -import java.util.List;
1.54 -import java.util.Map;
1.55 -import java.util.logging.Level;
1.56 -import java.util.logging.Logger;
1.57 -import javax.swing.text.Document;
1.58 -import org.netbeans.api.editor.mimelookup.MimeLookup;
1.59 -import org.netbeans.api.editor.mimelookup.MimeRegistration;
1.60 -import org.netbeans.api.java.source.CompilationController;
1.61 -import org.netbeans.api.java.source.JavaSource;
1.62 -import org.netbeans.api.java.source.JavaSource.Phase;
1.63 -import org.netbeans.api.java.source.Task;
1.64 -import org.netbeans.api.progress.ProgressUtils;
1.65 -import org.netbeans.spi.editor.hints.Context;
1.66 -import org.netbeans.spi.editor.hints.ErrorDescription;
1.67 -import org.netbeans.spi.editor.hints.PositionRefresher;
1.68 -import org.netbeans.modules.java.hints.providers.spi.PositionRefresherHelper;
1.69 -import org.openide.util.Exceptions;
1.70 -import org.openide.util.NbBundle;
1.71 -
1.72 -/**
1.73 - * Refreshes all Java Hints on current line upon Alt-Enter or mouseclick
1.74 - * @author Max Sauer
1.75 - */
1.76 -@MimeRegistration(mimeType="text/x-java", service=PositionRefresher.class)
1.77 -public class JavaHintsPositionRefresher implements PositionRefresher {
1.78 -
1.79 - private static final Logger LOG = Logger.getLogger(JavaHintsPositionRefresher.class.getName());
1.80 -
1.81 - @Override
1.82 - public Map<String, List<ErrorDescription>> getErrorDescriptionsAt(final Context context, final Document doc) {
1.83 - final List<PositionRefresherHelper> refreshers = new ArrayList<PositionRefresherHelper>(MimeLookup.getLookup("text/x-java").lookupAll(PositionRefresherHelper.class));
1.84 -
1.85 - for (Iterator<PositionRefresherHelper> it = refreshers.iterator(); it.hasNext();) {
1.86 - PositionRefresherHelper h = it.next();
1.87 -
1.88 - if (h.upToDateCheck(context, doc)) {
1.89 - LOG.log(Level.FINE, "Not computing warnings for {0}, results are up-to-date.", h.getKey());
1.90 - it.remove();
1.91 - } else {
1.92 - LOG.log(Level.FINE, "Will compute warnings for {0}, results not up-to-date.", h.getKey());
1.93 - }
1.94 - }
1.95 -
1.96 - if (refreshers.isEmpty()) return Collections.emptyMap();
1.97 -
1.98 - final JavaSource js = JavaSource.forDocument(doc);
1.99 -
1.100 - if (js == null) {
1.101 - LOG.log(Level.FINE, "No JavaSource associated to: {0}", new Object[] {doc, doc.getProperty(Document.StreamDescriptionProperty)});
1.102 - return Collections.emptyMap();
1.103 - }
1.104 -
1.105 - final Map<String, List<ErrorDescription>> eds = new HashMap<String, List<ErrorDescription>>();
1.106 -
1.107 - Runnable r = new Runnable() {
1.108 -
1.109 - public void run() {
1.110 - try {
1.111 - js.runUserActionTask(new RefreshTask(eds, refreshers, context, doc), true);
1.112 - } catch (IOException ex) {
1.113 - Exceptions.printStackTrace(ex);
1.114 - }
1.115 - }
1.116 - };
1.117 -
1.118 - ProgressUtils.runOffEventDispatchThread(r, NbBundle.getMessage(JavaHintsPositionRefresher.class, "Refresh_hints"), context.getCancel(), false); // NOI18N
1.119 -
1.120 - return eds;
1.121 - }
1.122 -
1.123 -
1.124 - private class RefreshTask implements Task<CompilationController> {
1.125 -
1.126 - private final Map<String, List<ErrorDescription>> eds;
1.127 - private final List<PositionRefresherHelper> refreshers;
1.128 - private final Context ctx;
1.129 - private final Document doc;
1.130 -
1.131 - public RefreshTask(Map<String, List<ErrorDescription>> eds, List<PositionRefresherHelper> refreshers, Context ctx, Document doc) {
1.132 - this.eds = eds;
1.133 - this.refreshers = refreshers;
1.134 - this.ctx = ctx;
1.135 - this.doc = doc;
1.136 - }
1.137 -
1.138 - public void run(CompilationController controller) throws Exception {
1.139 - if (controller.toPhase(JavaSource.Phase.RESOLVED).compareTo(Phase.RESOLVED) < 0) {
1.140 - return ;
1.141 - }
1.142 -
1.143 - Document doc = controller.getDocument();
1.144 -
1.145 - if (doc == null) {
1.146 - return;
1.147 - }
1.148 -
1.149 - for (PositionRefresherHelper h : refreshers) {
1.150 - if (ctx.isCanceled()) {
1.151 - return;
1.152 - }
1.153 -
1.154 - List errors = h.getErrorDescriptionsAt(controller, ctx, doc);
1.155 -
1.156 - if (errors == null) continue;
1.157 -
1.158 - eds.put(h.getKey(), errors);
1.159 - }
1.160 - }
1.161 -
1.162 - }
1.163 -
1.164 -}