| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| ClassExclusionFilter |
|
| 2.0;2 |
| 1 | /* | |
| 2 | * Copyright (c) 2003-2008, by Henrik Arro and Contributors | |
| 3 | * | |
| 4 | * This file is part of JSeq, a tool to automatically create | |
| 5 | * sequence diagrams by tracing program execution. | |
| 6 | * | |
| 7 | * See <http://jseq.sourceforge.net> for more information. | |
| 8 | * | |
| 9 | * JSeq is free software: you can redistribute it and/or modify | |
| 10 | * it under the terms of the GNU Lesser General Public License as | |
| 11 | * published by the Free Software Foundation, either version 3 of | |
| 12 | * the License, or (at your option) any later version. | |
| 13 | * | |
| 14 | * JSeq is distributed in the hope that it will be useful, | |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 17 | * GNU Lesser General Public License for more details. | |
| 18 | * | |
| 19 | * You should have received a copy of the GNU Lesser General Public License | |
| 20 | * along with JSeq. If not, see <http://www.gnu.org/licenses/>. | |
| 21 | */ | |
| 22 | ||
| 23 | package th.co.edge.jseq; | |
| 24 | ||
| 25 | /** | |
| 26 | * A <code>Filter</code> that only accepts <code>Activation</code>s with | |
| 27 | * method names that do not match a given exclude pattern. | |
| 28 | */ | |
| 29 | public class ClassExclusionFilter implements ActivationList.Filter { | |
| 30 | private String excludePattern; | |
| 31 | ||
| 32 | /** | |
| 33 | * Creates a new <code>ClassExclusionFilter</code> with the given method | |
| 34 | * name exclude pattern. If the pattern starts or ends with "*", all method | |
| 35 | * names with the correct suffix or prefix, respectively, are accepted. | |
| 36 | * | |
| 37 | * <p> | |
| 38 | * For example, the pattern "foo.Bar.baz" would only match a method named | |
| 39 | * "baz" in the class foo.bar, "*.baz" would match any method named "baz" in | |
| 40 | * any class, and "foo.Bar.*" would match all method in the class foo.Bar. | |
| 41 | * | |
| 42 | * @param excludePattern | |
| 43 | * the exclude pattern to use for this filter instance, possibly | |
| 44 | * starting or ending with the wildcard "*" | |
| 45 | */ | |
| 46 | 5 | public ClassExclusionFilter(String excludePattern) { |
| 47 | 5 | this.excludePattern = excludePattern; |
| 48 | 5 | } |
| 49 | ||
| 50 | /** | |
| 51 | * Returns <code>true</code> if and only if the given | |
| 52 | * <code>Activation</code> represents a method call where the class name | |
| 53 | * plus method name matches the exclude pattern used by this filter. | |
| 54 | * | |
| 55 | * @param activation | |
| 56 | * the <code>Activation</code> to check for matching method | |
| 57 | * name | |
| 58 | * | |
| 59 | * @return <code>true</code> if <code>activation</code> represents a | |
| 60 | * method call that matches the exclude pattern used by this filter | |
| 61 | */ | |
| 62 | public boolean accept(Activation activation) { | |
| 63 | 19 | String fullMethodName = |
| 64 | activation.getClassName() + "." + activation.getMethod().name(); | |
| 65 | 19 | boolean accepted = true; |
| 66 | 19 | if (excludePattern.endsWith("*")) { |
| 67 | 15 | String prefix = |
| 68 | excludePattern.substring(0, excludePattern.length() - 1); | |
| 69 | 15 | accepted = !fullMethodName.startsWith(prefix); |
| 70 | 15 | } else if (excludePattern.startsWith("*")) { |
| 71 | 2 | String suffix = excludePattern.substring(1); |
| 72 | 2 | accepted = !fullMethodName.endsWith(suffix); |
| 73 | 2 | } else { |
| 74 | 2 | accepted = !fullMethodName.equals(excludePattern); |
| 75 | } | |
| 76 | 19 | return accepted; |
| 77 | } | |
| 78 | } |