org.openfact.theme.FolderThemeProvider Maven / Gradle / Ivy
package org.openfact.theme;
import org.openfact.Config;
import javax.annotation.PostConstruct;
import javax.ejb.Stateless;
import java.io.File;
import java.io.FileFilter;
import java.io.IOException;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
@Stateless
@ThemeManagerSelector
@ThemeProviderType(type = ThemeProviderType.ProviderType.FOLDER)
public class FolderThemeProvider implements ThemeProvider {
private File themesDir;
@PostConstruct
public void init() {
String d = Config.scope("theme", "folder").get("dir");
File rootDir = null;
if (d != null) {
rootDir = new File(d);
}
this.themesDir = rootDir;
}
@Override
public int getProviderPriority() {
return 100;
}
@Override
public Theme getTheme(String name, Theme.Type type) throws IOException {
File themeDir = getThemeDir(name, type);
return themeDir.isDirectory() ? new FolderTheme(themeDir, name, type) : null;
}
@Override
public Set nameSet(Theme.Type type) {
final String typeName = type.name().toLowerCase();
File[] themeDirs = themesDir.listFiles(pathname -> pathname.isDirectory() && new File(pathname, typeName).isDirectory());
if (themeDirs != null) {
Set names = new HashSet();
for (File themeDir : themeDirs) {
names.add(themeDir.getName());
}
return names;
} else {
return Collections.emptySet();
}
}
@Override
public boolean hasTheme(String name, Theme.Type type) {
return getThemeDir(name, type).isDirectory();
}
private File getThemeDir(String name, Theme.Type type) {
return new File(themesDir, name + File.separator + type.name().toLowerCase());
}
}