/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.common.blobstore;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
/**
*
*/
public class BlobPath implements Iterable<String> {
private final List<String> paths;
public BlobPath() {
this.paths = Collections.emptyList();
}
public static BlobPath cleanPath() {
return new BlobPath();
}
private BlobPath(List<String> paths) {
this.paths = paths;
}
@Override
public Iterator<String> iterator() {
return paths.iterator();
}
public String[] toArray() {
return paths.toArray(new String[paths.size()]);
}
public BlobPath add(String path) {
List<String> paths = new ArrayList<>();
paths.addAll(this.paths);
paths.add(path);
return new BlobPath(Collections.unmodifiableList(paths));
}
public String buildAsString(String separator) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < paths.size(); i++) {
sb.append(paths.get(i));
if (i < (paths.size() - 1)) {
sb.append(separator);
}
}
return sb.toString();
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
for (String path : paths) {
sb.append('[').append(path).append(']');
}
return sb.toString();
}
}