org.apache.pulsar.shell.config.ConfigStore Maven / Gradle / Ivy
/*
* 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.pulsar.shell.config;
import java.io.IOException;
import java.util.HashSet;
import java.util.List;
import java.util.Scanner;
import java.util.Set;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
/**
* Shell configurations store layer.
*/
public interface ConfigStore {
String DEFAULT_CONFIG = "default";
@Data
@AllArgsConstructor
@NoArgsConstructor
class ConfigEntry {
String name;
String value;
}
void putConfig(ConfigEntry entry) throws IOException;
ConfigEntry getConfig(String name) throws IOException;
void deleteConfig(String name) throws IOException;
List listConfigs() throws IOException;
void setLastUsed(String name) throws IOException;
ConfigEntry getLastUsed() throws IOException;
static void cleanupValue(ConfigEntry entry) {
StringBuilder builder = new StringBuilder();
try (Scanner scanner = new Scanner(entry.getValue());) {
while (scanner.hasNextLine()) {
String line = scanner.nextLine().trim();
if (line.isBlank() || line.startsWith("#")) {
continue;
}
builder.append(line);
builder.append(System.lineSeparator());
}
}
entry.setValue(builder.toString());
}
static void setProperty(ConfigEntry entry, String propertyName, String propertyValue) {
Set keys = new HashSet<>();
StringBuilder builder = new StringBuilder();
try (Scanner scanner = new Scanner(entry.getValue());) {
while (scanner.hasNextLine()) {
String line = scanner.nextLine().trim();
if (line.isBlank() || line.startsWith("#")) {
continue;
}
final String[] split = line.split("=", 2);
if (split.length > 0) {
final String property = split[0];
if (!keys.add(property)) {
continue;
}
if (property.equals(propertyName)) {
line = property + "=" + propertyValue;
}
}
builder.append(line);
builder.append(System.lineSeparator());
}
if (!keys.contains(propertyName)) {
builder.append(propertyName + "=" + propertyValue);
builder.append(System.lineSeparator());
}
}
entry.setValue(builder.toString());
}
static String getProperty(ConfigEntry entry, String propertyName) {
try (Scanner scanner = new Scanner(entry.getValue());) {
while (scanner.hasNextLine()) {
String line = scanner.nextLine().trim();
if (line.isBlank() || line.startsWith("#")) {
continue;
}
final String[] split = line.split("=", 2);
if (split.length > 0) {
final String property = split[0];
if (property.equals(propertyName)) {
if (split.length > 1) {
return split[1];
}
return null;
}
}
}
}
return null;
}
}