dubbo PathUtils 源码
dubbo PathUtils 代码
文件路径：/dubbo-common/src/main/java/org/apache/dubbo/common/utils/PathUtils.java
/*
* 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.dubbo.common.utils;
import java.util.LinkedHashSet;
import java.util.Set;
import java.util.stream.Collectors;
import static java.util.Arrays.asList;
import static org.apache.dubbo.common.utils.StringUtils.QUESTION_MASK;
import static org.apache.dubbo.common.utils.StringUtils.SLASH;
import static org.apache.dubbo.common.utils.StringUtils.isEmpty;
import static org.apache.dubbo.common.utils.StringUtils.replace;
/**
* Path Utilities class
*
* @since 2.7.6
*/
public interface PathUtils {
static String buildPath(String rootPath, String... subPaths) {
Set<String> paths = new LinkedHashSet<>();
paths.add(rootPath);
paths.addAll(asList(subPaths));
return normalize(paths.stream()
.filter(StringUtils::isNotEmpty)
.collect(Collectors.joining(SLASH)));
}
/**
* Normalize path:
* <ol>
* <li>To remove query string if presents</li>
* <li>To remove duplicated slash("/") if exists</li>
* </ol>
*
* @param path path to be normalized
* @return a normalized path if required
*/
static String normalize(String path) {
if (isEmpty(path)) {
return SLASH;
}
String normalizedPath = path;
int index = normalizedPath.indexOf(QUESTION_MASK);
if (index > -1) {
normalizedPath = normalizedPath.substring(0, index);
}
while (normalizedPath.contains("//")) {
normalizedPath = replace(normalizedPath, "//", "/");
}
return normalizedPath;
}
}
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