/////////////////////////////////////////////////////////////////////////////
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//
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// Project ProjectForge Community Edition
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// www.projectforge.org
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//
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// Copyright (C) 2001-2021 Micromata GmbH, Germany (www.micromata.com)
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//
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// ProjectForge is dual-licensed.
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//
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// This community edition is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as published
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// by the Free Software Foundation; version 3 of the License.
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//
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// This community edition is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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// Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program; if not, see http://www.gnu.org/licenses/.
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//
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/////////////////////////////////////////////////////////////////////////////
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package de.micromata.borgbutler
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import mu.KLogger
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import mu.KotlinLogging
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import org.apache.commons.lang3.StringUtils
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/**
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* Helper for logging very important information and warnings.
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*/
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class EmphasizedLogSupport @JvmOverloads constructor(
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private val log: KLogger,
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priority: Priority? = Priority.IMPORTANT,
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private val alignment: Alignment = Alignment.CENTER
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) {
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private var number = 0
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private val innerLength: Int
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var logLevel = LogLevel.INFO
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private var started = false
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constructor(log: KLogger, alignment: Alignment= Alignment.CENTER) : this(log, Priority.IMPORTANT, alignment)
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enum class Priority {
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NORMAL, IMPORTANT, VERY_IMPORTANT
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}
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enum class Alignment {
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CENTER, LEFT
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}
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enum class LogLevel {
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ERROR, WARN, INFO
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}
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private fun ensureStart() {
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if (!started) {
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started = true
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logStartSeparator()
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}
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}
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/**
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* @return this for chaining.
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*/
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private fun logStartSeparator(): EmphasizedLogSupport {
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for (i in 0 until number) {
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logSeparatorLine()
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}
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return log("")
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}
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/**
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* @return this for chaining.
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*/
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fun logEnd(): EmphasizedLogSupport {
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ensureStart()
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log("")
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for (i in 0 until number) {
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logSeparatorLine()
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}
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return this
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}
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private fun logSeparatorLine() {
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logLine(StringUtils.rightPad("", innerLength, '*') + asterisks(number * 2 + 2))
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}
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fun log(text: String?): EmphasizedLogSupport {
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ensureStart()
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if (text?.contains("\n") == true) {
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for (line in StringUtils.splitPreserveAllTokens(text, '\n')) {
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logLineText(line)
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}
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} else {
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logLineText(text)
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}
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return this
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}
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private fun logLineText(line: String?) {
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val padText = if (alignment == Alignment.LEFT)
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StringUtils.rightPad(line, innerLength)
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else
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StringUtils.center(line, innerLength)
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logLine(asterisks(number) + " " + padText + " " + asterisks(number))
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}
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private fun logLine(msg: String) {
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if (logLevel == LogLevel.ERROR) log.error(msg) else if (logLevel == LogLevel.WARN) log.warn(msg) else log.info(
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msg
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)
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}
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companion object {
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private const val CONSOLE_LENGTH = 120
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private fun asterisks(number: Int): String {
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return StringUtils.rightPad("*", number, '*')
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}
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}
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init {
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when (priority) {
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Priority.NORMAL -> number = 1
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Priority.VERY_IMPORTANT -> {
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number = 5
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logLevel = LogLevel.WARN
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}
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else -> number = 2
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}
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innerLength = CONSOLE_LENGTH - 2 * number
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}
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}
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