/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.activemq.artemis.core.settings.impl;
import java.util.regex.Pattern;
import org.apache.activemq.artemis.core.server.ActiveMQMessageBundle;
/**
* a Match is the holder for the match string and the object to hold against it.
*/
public class Match<T> {
public static final String WORD_WILDCARD = "*";
private static final String WORD_WILDCARD_REPLACEMENT = "[^.]+";
public static final String WILDCARD = "#";
public static final String DOT_WILDCARD = ".#";
private static final String WILDCARD_REPLACEMENT = ".*";
private static final String DOT = ".";
private static final String DOT_REPLACEMENT = "\\.";
private String match;
private final Pattern pattern;
private T value;
public Match(final String match) {
this.match = match;
String actMatch = match;
// replace any regex characters
if (Match.WILDCARD.equals(match)) {
actMatch = Match.WILDCARD_REPLACEMENT;
} else {
// this is to match with what's documented
actMatch = actMatch.replace(DOT_WILDCARD, WILDCARD);
actMatch = actMatch.replace(Match.DOT, Match.DOT_REPLACEMENT);
actMatch = actMatch.replace(Match.WORD_WILDCARD, Match.WORD_WILDCARD_REPLACEMENT);
// this one has to be done by last as we are using .* and it could be replaced wrongly
actMatch = actMatch.replace(Match.WILDCARD, Match.WILDCARD_REPLACEMENT);
}
pattern = Pattern.compile(actMatch);
}
public String getMatch() {
return match;
}
public void setMatch(final String match) {
this.match = match;
}
public Pattern getPattern() {
return pattern;
}
public T getValue() {
return value;
}
public void setValue(final T value) {
this.value = value;
}
@Override
public boolean equals(final Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
@SuppressWarnings("rawtypes")
Match that = (Match) o;
return !(match != null ? !match.equals(that.match) : that.match != null);
}
@Override
public int hashCode() {
return match != null ? match.hashCode() : 0;
}
/**
* utility method to verify consistency of match
*
* @param match the match to validate
* @throws IllegalArgumentException if a match isn't valid
*/
public static void verify(final String match) throws IllegalArgumentException {
if (match == null) {
throw ActiveMQMessageBundle.BUNDLE.nullMatch();
}
if (match.contains("#") && match.indexOf("#") < match.length() - 1) {
throw ActiveMQMessageBundle.BUNDLE.invalidMatch();
}
}
}