/*
* Copyright 2016 the original author or authors.
*
* Licensed 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.gradle.api.internal.artifacts.ivyservice.resolveengine.excludes;
import com.google.common.collect.Maps;
import org.apache.ivy.plugins.matcher.ExactOrRegexpPatternMatcher;
import org.apache.ivy.plugins.matcher.ExactPatternMatcher;
import org.apache.ivy.plugins.matcher.GlobPatternMatcher;
import org.apache.ivy.plugins.matcher.PatternMatcher;
import org.apache.ivy.plugins.matcher.RegexpPatternMatcher;
import java.util.Map;
public class PatternMatchers {
/**
* 'exact' pattern matcher name
*/
public static final String EXACT = PatternMatcher.EXACT;
/**
* Any expression string: '*'
*/
public static final String ANY_EXPRESSION = "*";
private static PatternMatchers instance;
private final Map<String, PatternMatcher> matchers = Maps.newHashMap();
private PatternMatchers() {
addMatcher(ExactPatternMatcher.INSTANCE);
addMatcher(RegexpPatternMatcher.INSTANCE);
addMatcher(ExactOrRegexpPatternMatcher.INSTANCE);
addMatcher(GlobPatternMatcher.INSTANCE);
}
private void addMatcher(PatternMatcher instance) {
matchers.put(instance.getName(), instance);
}
public PatternMatcher getMatcher(String name) {
return matchers.get(name);
}
public static boolean isExactMatcher(String name) {
return EXACT.equals(name);
}
public static synchronized PatternMatchers getInstance() {
if (instance == null) {
instance = new PatternMatchers();
}
return instance;
}
}