X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=liblttng-ust-java-agent%2Fjava%2Flttng-ust-agent-common%2Forg%2Flttng%2Fust%2Fagent%2FEventNamePattern.java;fp=liblttng-ust-java-agent%2Fjava%2Flttng-ust-agent-common%2Forg%2Flttng%2Fust%2Fagent%2FEventNamePattern.java;h=0000000000000000000000000000000000000000;hb=9d4c8b2d907edb9ebc9bfde55602598e7ba0832e;hp=ada5c95f8e5556a89749c7fdf07280d81070adfa;hpb=6ba6fd60507f8e045bdc4f1be14e9d99c6a15f7f;p=lttng-ust.git

diff --git a/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/EventNamePattern.java b/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/EventNamePattern.java
deleted file mode 100644
index ada5c95f..00000000
--- a/liblttng-ust-java-agent/java/lttng-ust-agent-common/org/lttng/ust/agent/EventNamePattern.java
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
- * SPDX-License-Identifier: LGPL-2.1-only
- *
- * Copyright (C) 2017 EfficiOS Inc.
- * Copyright (C) 2017 Philippe Proulx <pproulx@efficios.com>
- */
-
-package org.lttng.ust.agent;
-
-import java.util.regex.Pattern;
-
-/**
- * Class encapsulating an event name from the session daemon, and its
- * corresponding {@link Pattern}. This allows referring back to the original
- * event name, for example when we receive a disable command.
- *
- * @author Philippe Proulx
- * @author Alexandre Montplaisir
- */
-class EventNamePattern {
-
-	private final String originalEventName;
-
-	/*
-	 * Note that two Patterns coming from the exact same String will not be
-	 * equals()! As such, it would be confusing to make the pattern part of this
-	 * class's equals/hashCode
-	 */
-	private final transient Pattern pattern;
-
-	public EventNamePattern(String eventName) {
-		if (eventName == null) {
-			throw new IllegalArgumentException();
-		}
-
-		originalEventName = eventName;
-		pattern = patternFromEventName(eventName);
-	}
-
-	public String getEventName() {
-		return originalEventName;
-	}
-
-	public Pattern getPattern() {
-		return pattern;
-	}
-
-	@Override
-	public int hashCode() {
-		final int prime = 31;
-		int result = 1;
-		result = prime * result + originalEventName.hashCode();
-		return result;
-	}
-
-	@Override
-	public boolean equals(Object obj) {
-		if (this == obj) {
-			return true;
-		}
-		if (obj == null) {
-			return false;
-		}
-		if (getClass() != obj.getClass()) {
-			return false;
-		}
-		EventNamePattern other = (EventNamePattern) obj;
-		if (!originalEventName.equals(other.originalEventName)) {
-			return false;
-		}
-		return true;
-	}
-
-	private static Pattern patternFromEventName(String eventName) {
-		/*
-		 * The situation here is that `\*` means a literal `*` in the event
-		 * name, and `*` is a wildcard star. We check the event name one
-		 * character at a time and create a list of tokens to be converter to
-		 * partial patterns.
-		 */
-		StringBuilder bigBuilder = new StringBuilder("^");
-		StringBuilder smallBuilder = new StringBuilder();
-
-		for (int i = 0; i < eventName.length(); i++) {
-			char c = eventName.charAt(i);
-
-			switch (c) {
-			case '*':
-				/* Add current quoted builder's string if not empty. */
-				if (smallBuilder.length() > 0) {
-					bigBuilder.append(Pattern.quote(smallBuilder.toString()));
-					smallBuilder.setLength(0);
-				}
-
-				/* Append the equivalent regex which is `.*`. */
-				bigBuilder.append(".*");
-				continue;
-
-			case '\\':
-				/* We only escape `*` and `\` here. */
-				if (i < (eventName.length() - 1)) {
-					char nextChar = eventName.charAt(i + 1);
-
-					if (nextChar == '*' || nextChar == '\\') {
-						smallBuilder.append(nextChar);
-					} else {
-						smallBuilder.append(c);
-						smallBuilder.append(nextChar);
-					}
-
-					i++;
-					continue;
-				}
-				break;
-
-			default:
-				break;
-			}
-
-			smallBuilder.append(c);
-		}
-
-		/* Add current quoted builder's string if not empty. */
-		if (smallBuilder.length() > 0) {
-			bigBuilder.append(Pattern.quote(smallBuilder.toString()));
-		}
-
-		bigBuilder.append("$");
-
-		return Pattern.compile(bigBuilder.toString());
-	}
-}