mirror of https://github.com/longtai-cn/hippo4j
Globally remove the Guava toolkit dependency (#759)
* Globally remove the Guava toolkit dependency * update "Globally remove the Guava toolkit dependency"pull/762/head
Lijx
3 years ago
committed by
GitHub
parent
b5810ce296
commit
956bd20d6c
@ -0,0 +1,90 @@
|
|||||||
|
/*
|
||||||
|
* 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 cn.hippo4j.common.toolkit;
|
||||||
|
|
||||||
|
import java.io.IOException;
|
||||||
|
import java.util.Arrays;
|
||||||
|
import java.util.Iterator;
|
||||||
|
import java.util.Objects;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* reference google guava
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
public class Joiner {
|
||||||
|
|
||||||
|
private final String separator;
|
||||||
|
|
||||||
|
private Joiner(String separator) {
|
||||||
|
this.separator = Objects.requireNonNull(separator);
|
||||||
|
}
|
||||||
|
|
||||||
|
/** Returns a joiner which automatically places {@code separator} between consecutive elements. */
|
||||||
|
public static Joiner on(String separator) {
|
||||||
|
return new Joiner(separator);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns a string containing the string representation of each of {@code parts}, using the
|
||||||
|
* previously configured separator between each.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
public final String join(Object[] parts) {
|
||||||
|
return join(Arrays.asList(parts));
|
||||||
|
}
|
||||||
|
|
||||||
|
public final String join(Iterable<?> parts) {
|
||||||
|
return join(parts.iterator());
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns a string containing the string representation of each of {@code parts}, using the
|
||||||
|
* previously configured separator between each.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
public final String join(Iterator<?> parts) {
|
||||||
|
return appendTo(new StringBuilder(), parts).toString();
|
||||||
|
}
|
||||||
|
|
||||||
|
public final StringBuilder appendTo(StringBuilder builder, Iterator<?> parts) {
|
||||||
|
try {
|
||||||
|
appendTo((Appendable) builder, parts);
|
||||||
|
} catch (IOException impossible) {
|
||||||
|
throw new AssertionError(impossible);
|
||||||
|
}
|
||||||
|
return builder;
|
||||||
|
}
|
||||||
|
|
||||||
|
public <A extends Appendable> A appendTo(A appendable, Iterator<?> parts) throws IOException {
|
||||||
|
Objects.requireNonNull(appendable);
|
||||||
|
if (parts.hasNext()) {
|
||||||
|
appendable.append(toString(parts.next()));
|
||||||
|
while (parts.hasNext()) {
|
||||||
|
appendable.append(separator);
|
||||||
|
appendable.append(toString(parts.next()));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return appendable;
|
||||||
|
}
|
||||||
|
|
||||||
|
CharSequence toString(Object part) {
|
||||||
|
Objects.requireNonNull(part);
|
||||||
|
return (part instanceof CharSequence) ? (CharSequence) part : part.toString();
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
Loading…
Reference in new issue