Java tutorial
/* * #%L * WebMotion plugin netbeans * * $Id$ * $HeadURL$ * %% * Copyright (C) 2012 Debux * %% * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Lesser Public License for more details. * * You should have received a copy of the GNU General Lesser Public * License along with this program. If not, see * <http://www.gnu.org/licenses/lgpl-3.0.html>. * #L% */ package org.debux.webmotion.netbeans.hints; import java.util.List; import java.util.regex.Pattern; import java.util.regex.PatternSyntaxException; import javax.swing.text.BadLocationException; import javax.swing.text.Document; import org.apache.commons.lang.StringUtils; import org.debux.webmotion.netbeans.javacc.lexer.impl.LexerUtils; import org.debux.webmotion.netbeans.javacc.parser.impl.WebMotionParserImpl.WebMotionParserResult; import org.netbeans.modules.csl.api.Hint; import org.netbeans.modules.csl.api.OffsetRange; import org.netbeans.modules.csl.api.RuleContext; import org.netbeans.modules.parsing.api.Source; import org.openide.filesystems.FileObject; import org.openide.util.Exceptions; /** * * @author julien */ public class PatternRule extends AbstractRule { @Override public String getDisplayName() { return "Test pattern"; } @Override public String getDescription() { return "Test valid pattern in variable"; } @Override public void run(RuleContext context, List<Hint> hints) { WebMotionParserResult parserResult = (WebMotionParserResult) context.parserResult; Source source = parserResult.getSnapshot().getSource(); Document document = source.getDocument(false); FileObject fileObject = source.getFileObject(); List<OffsetRange> tokens = LexerUtils.getTokens(document, "ACTION_PATH_VARIABLE", "ACTION_PATH_PARAMETER_VALUE_VARIABLE"); for (OffsetRange range : tokens) { try { String value = LexerUtils.getText(document, range); String regexp = StringUtils.substringBetween(value, ":", "}"); if (regexp != null) { try { String pattern = regexp.replaceAll("\\\\\\{", "{"); pattern = pattern.replaceAll("\\\\\\}", "}"); Pattern.compile(pattern); } catch (PatternSyntaxException pse) { int end = range.getStart() + value.length() - 1; int start = end - regexp.length(); OffsetRange offsetRange = new OffsetRange(start, end); hints.add(new Hint(this, "Invalid pattern", fileObject, offsetRange, WebMotionHintsProvider.NO_FIXES, 100)); } } } catch (BadLocationException ex) { Exceptions.printStackTrace(ex); } } } }