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/*
* 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.qos.textui;
import org.apache.dubbo.common.utils.StringUtils;
import java.util.Scanner;
/**
* KV
*/
public class TKv implements TComponent {
private final TTable tTable;
public TKv() {
this.tTable = new TTable(new TTable.ColumnDefine[]{
new TTable.ColumnDefine(TTable.Align.RIGHT),
new TTable.ColumnDefine(TTable.Align.RIGHT),
new TTable.ColumnDefine(TTable.Align.LEFT)
})
.padding(0);
this.tTable.getBorder().set(TTable.Border.BORDER_NON);
}
public TKv(TTable.ColumnDefine keyColumnDefine, TTable.ColumnDefine valueColumnDefine) {
this.tTable = new TTable(new TTable.ColumnDefine[]{
keyColumnDefine,
new TTable.ColumnDefine(TTable.Align.RIGHT),
valueColumnDefine
})
.padding(0);
this.tTable.getBorder().set(TTable.Border.BORDER_NON);
}
public TKv add(final Object key, final Object value) {
tTable.addRow(key, " : ", value);
return this;
}
@Override
public String rendering() {
return filterEmptyLine(tTable.rendering());
}
private String filterEmptyLine(String content) {
final StringBuilder sb = new StringBuilder();
try (Scanner scanner = new Scanner(content)) {
while (scanner.hasNextLine()) {
String line = scanner.nextLine();
if (line != null) {
// remove extra space at line's end
line = StringUtils.stripEnd(line, " ");
if (line.isEmpty()) {
line = " ";
}
}
sb.append(line).append(System.lineSeparator());
}
}
return sb.toString();
}
}