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BndGenerator.java
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BndGenerator.java
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/*
* Copyright (C) 2007-2010 Júlio Vilmar Gesser.
* Copyright (C) 2011, 2013-2020 The JavaParser Team.
*
* This file is part of JavaParser.
*
* JavaParser can be used either under the terms of
* a) the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* b) the terms of the Apache License
*
* You should have received a copy of both licenses in LICENCE.LGPL and
* LICENCE.APACHE. Please refer to those files for details.
*
* JavaParser is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*/
package com.github.javaparser.generator.core.other;
import com.github.javaparser.generator.Generator;
import com.github.javaparser.utils.Log;
import com.github.javaparser.utils.SourceRoot;
import java.io.*;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
/**
* Generates the bnd.bnd file in javaparser-core.
*/
public class BndGenerator extends Generator {
public BndGenerator(SourceRoot sourceRoot) {
super(sourceRoot);
}
@Override
public void generate() throws IOException {
Log.info("Running %s", () -> getClass().getSimpleName());
Path root = sourceRoot.getRoot();
Path projectRoot = root.getParent().getParent().getParent();
String lineSeparator = System.getProperty("line.separator");
String packagesList = Files.walk(root)
.filter(Files::isRegularFile)
.map(path -> getPackageName(root, path))
.distinct()
.sorted()
.reduce(null, (packageList, packageName) ->
concatPackageName(packageName, packageList, lineSeparator));
Path output = projectRoot.resolve("bnd.bnd");
try(Writer writer = Files.newBufferedWriter(output)) {
Path templateFile = projectRoot.resolve("bnd.bnd.template");
String template = new String(Files.readAllBytes(templateFile), StandardCharsets.UTF_8);
writer.write(template.replace("{exportedPackages}", packagesList));
}
Log.info("Written " + output);
}
private String concatPackageName(String packageName, String packageList, String lineSeparator) {
return (packageList == null ?
("\\" + lineSeparator) :
(packageList + ", \\" + lineSeparator)) + " " + packageName;
}
private static String getPackageName(Path root, Path path) {
return root.relativize(path.getParent()).toString().replace(File.separatorChar, '.');
}
}