diff options
| author | Marc R. Hoffmann <hoffmann@mountainminds.com> | 2009-07-25 08:47:47 +0000 |
|---|---|---|
| committer | Marc R. Hoffmann <hoffmann@mountainminds.com> | 2009-07-25 08:47:47 +0000 |
| commit | b8ee4efe9c2ba93485fe5d9e25340113efc2390b (patch) | |
| tree | e76d72e89a5813dad2c4b6ffe42ea18338a8a9e4 /org.jacoco.core/src/org/jacoco/core/runtime/WildcardMatcher.java | |
| parent | 77585e2886f7669764f36888359686d81dc007fc (diff) | |
| download | jacoco-b8ee4efe9c2ba93485fe5d9e25340113efc2390b.tar.gz | |
Class loader exclusion as agent option.
Diffstat (limited to 'org.jacoco.core/src/org/jacoco/core/runtime/WildcardMatcher.java')
| -rw-r--r-- | org.jacoco.core/src/org/jacoco/core/runtime/WildcardMatcher.java | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/org.jacoco.core/src/org/jacoco/core/runtime/WildcardMatcher.java b/org.jacoco.core/src/org/jacoco/core/runtime/WildcardMatcher.java new file mode 100644 index 00000000..1b6f8c9b --- /dev/null +++ b/org.jacoco.core/src/org/jacoco/core/runtime/WildcardMatcher.java @@ -0,0 +1,77 @@ +/*******************************************************************************
+ * Copyright (c) 2009 Mountainminds GmbH & Co. KG 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:
+ * Marc R. Hoffmann - initial API and implementation
+ *
+ * $Id: $
+ *******************************************************************************/
+package org.jacoco.core.runtime;
+
+import java.util.StringTokenizer;
+import java.util.regex.Pattern;
+
+/**
+ * Matches strings against <code>?</code>/<code>*</code> wildcard expressions.
+ * Multiple expressions can separated with commas or white spaces. In this case
+ * the expression matches if at least one part matches.
+ *
+ * @author Marc R. Hoffmann
+ * @version $Revision: $
+ */
+public class WildcardMatcher {
+
+ private final Pattern pattern;
+
+ /**
+ * Creates a new matcher with the given expression.
+ *
+ * @param expression
+ * wildcard expressions
+ */
+ public WildcardMatcher(final String expression) {
+ final String[] parts = expression.split("[\\s,]+");
+ final StringBuilder regex = new StringBuilder(expression.length() * 2);
+ boolean next = false;
+ for (final String part : parts) {
+ if (next) {
+ regex.append('|');
+ }
+ regex.append('(').append(toRegex(part)).append(')');
+ next = true;
+ }
+ pattern = Pattern.compile(regex.toString());
+ }
+
+ private static StringBuilder toRegex(final String expression) {
+ final StringBuilder regex = new StringBuilder(expression.length() * 2);
+ final StringTokenizer st = new StringTokenizer(expression, "?*", true);
+ while (st.hasMoreTokens()) {
+ final String token = st.nextToken();
+ if (token.equals("?")) {
+ regex.append(".?");
+ } else if (token.equals("*")) {
+ regex.append(".*");
+ } else {
+ regex.append(Pattern.quote(token));
+ }
+ }
+ return regex;
+ }
+
+ /**
+ * Matches the given string against the expressions of this matcher.
+ *
+ * @param s
+ * string to test
+ * @return <code>true</code>, if the expression matches
+ */
+ public boolean matches(final String s) {
+ return pattern.matcher(s).matches();
+ }
+
+}
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