io.ultreia.java4all.i18n.spi.I18nTemplateDefinition Maven / Gradle / Ivy
package io.ultreia.java4all.i18n.spi;
/*-
* #%L
* I18n :: Spi
* %%
* Copyright (C) 2018 Code Lutin, Ultreia.io
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of 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.
*
* This program 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 General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* .
* #L%
*/
import java.io.IOException;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import java.util.Locale;
import java.util.Objects;
import java.util.StringTokenizer;
import java.util.stream.Collectors;
/**
* Describe a set of templates.
*
* Created by tchemit on 04/11/2018.
*
* @author Tony Chemit - [email protected]
*/
public class I18nTemplateDefinition extends I18nLocalizedResource {
public static String TEMPLATE_SET_EXTENSION = ".template";
public I18nTemplateDefinition(String packageName, String name, Locale locale) {
super(packageName, name, TEMPLATE_SET_EXTENSION, locale);
}
public static List detect(Path directory, String packageName) throws I18nResourceInitializationException {
if (!Files.exists(directory)) {
return Collections.emptyList();
}
try {
return Files
.walk(directory, 1)
.filter(p -> Files.isRegularFile(p) && p.toFile().getName().endsWith(I18nTemplateDefinition.TEMPLATE_SET_EXTENSION))
.map(f -> I18nTemplateDefinition.templateFromFilename(packageName, f))
.collect(Collectors.toList());
} catch (Exception e) {
throw new I18nResourceInitializationException("Could not init from: " + directory, e);
}
}
public static void write(I18nTemplateDefinition definition, Path directory, Charset encoding, boolean usePackage, String template, boolean override) throws IOException {
if (!Files.exists(Objects.requireNonNull(directory))) {
Files.createDirectories(directory);
}
String fileName = definition.getResourcePath(usePackage);
Path target = directory.resolve(fileName);
if (override || !Files.exists(target)) {
Files.write(target, Collections.singletonList(template), encoding);
}
}
public static List templateListFromCoordinate(String coordinate) {
List result = new LinkedList<>();
StringTokenizer tokenizer = new StringTokenizer(coordinate, ":");
String packageName = tokenizer.nextToken();
String name = tokenizer.nextToken();
while (tokenizer.hasMoreTokens()) {
String locale = tokenizer.nextToken();
result.add(new I18nTemplateDefinition(packageName, name, I18nLocaleHelper.newLocale(locale)));
}
return result;
}
public static I18nTemplateDefinition templateFromFilename(String packageName, Path coordinate) {
String filename = I18nResource.removeExtension(Objects.requireNonNull(coordinate).toFile().getName(), TEMPLATE_SET_EXTENSION);
int i = filename.indexOf("_");
String name = filename.substring(0, i);
String localeStr = filename.substring(i + 1);
return new I18nTemplateDefinition(packageName, name, I18nLocaleHelper.newLocale(localeStr));
}
}