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//
// ========================================================================
// Copyright (c) 1995 Mort Bay Consulting Pty Ltd and others.
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License v. 2.0 which is available at
// https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
// which is available at https://www.apache.org/licenses/LICENSE-2.0.
//
// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
// ========================================================================
//

package org.eclipse.jetty.start.builders;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.StandardOpenOption;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import org.eclipse.jetty.start.BaseBuilder;
import org.eclipse.jetty.start.BaseHome;
import org.eclipse.jetty.start.Module;
import org.eclipse.jetty.start.Props;
import org.eclipse.jetty.start.StartLog;

/**
 * Management of the ${jetty.base}/start.ini based configuration.
 * 

* Implementation of the --add-module=[name] command line behavior */ public class StartIniBuilder implements BaseBuilder.Config { private final BaseHome baseHome; private final Path startIni; /* List of modules already present in start.ini */ private Set modulesPresent = new HashSet<>(); /* List of properties (keys only) already present in start.ini */ private Set propsPresent = new HashSet<>(); public StartIniBuilder(BaseBuilder baseBuilder) throws IOException { this.baseHome = baseBuilder.getBaseHome(); this.startIni = baseHome.getBasePath("start.ini"); if (Files.exists(startIni)) { parseIni(); } } private void parseIni() throws IOException { try (BufferedReader reader = Files.newBufferedReader(startIni, StandardCharsets.UTF_8)) { String line; while ((line = reader.readLine()) != null) { line = line.trim(); if (line.startsWith("--module=")) { List moduleNames = Props.getValues(line); this.modulesPresent.addAll(moduleNames); } else if (!line.startsWith("-") && line.contains("=")) { String key = line.substring(0, line.indexOf('=')); this.propsPresent.add(key); } } } } @Override public String addModule(Module module, Props props) throws IOException { if (modulesPresent.contains(module.getName())) { StartLog.info("%-15s already initialised in %s", module.getName(), baseHome.toShortForm(startIni)); // skip, already present return null; } if (module.isDynamic()) { if (module.hasIniTemplate()) { // warn StartLog.warn("%-15s not adding [ini-template] from dynamic module", module.getName()); } return null; } if (module.hasIniTemplate() || !module.isTransitive()) { // Append to start.ini try (BufferedWriter writer = Files.newBufferedWriter(startIni, StandardCharsets.UTF_8, StandardOpenOption.APPEND, StandardOpenOption.CREATE)) { module.writeIniSection(writer, props); } return baseHome.toShortForm(startIni); } return null; } }





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