package play.i18n;
import java.io.File;
import java.io.FileInputStream;
import java.util.Properties;
import play.Logger;
import play.Play;
import play.PlayPlugin;
import play.libs.IO;
import play.vfs.VirtualFile;
/**
* Messages plugin
*/
public class MessagesPlugin extends PlayPlugin {
static Long lastLoading = 0L;
@Override
public void onApplicationStart() {
Messages.defaults = new Properties();
try {
FileInputStream is = new FileInputStream(new File(Play.frameworkPath, "resources/messages"));
Messages.defaults.putAll(IO.readUtf8Properties(is));
} catch(Exception e) {
Logger.warn("Defaults messsages file missing");
}
for(VirtualFile module : Play.modules.values()) {
VirtualFile messages = module.child("conf/messages");
if(messages != null && messages.exists()) {
Messages.defaults.putAll(read(messages));
}
}
VirtualFile appDM = Play.getVirtualFile("conf/messages");
if(appDM != null && appDM.exists()) {
Messages.defaults.putAll(read(appDM));
}
for (String locale : Play.langs) {
Properties properties = new Properties();
for(VirtualFile module : Play.modules.values()) {
VirtualFile messages = module.child("conf/messages." + locale);
if(messages != null && messages.exists()) {
properties.putAll(read(messages));
}
}
VirtualFile appM = Play.getVirtualFile("conf/messages." + locale);
if(appM != null && appM.exists()) {
properties.putAll(read(appM));
} else {
Logger.warn("Messages file missing for locale %s", locale);
}
Messages.locales.put(locale, properties);
}
lastLoading = System.currentTimeMillis();
}
@Override
public void beforeInvocation() {
if (Play.langs.isEmpty()) {
Lang.set("");
} else {
Lang.set(Play.langs.get(0));
}
}
static Properties read(VirtualFile vf) {
if (vf != null) {
return IO.readUtf8Properties(vf.inputstream());
}
return null;
}
@Override
public void detectChange() {
if (Play.getVirtualFile("conf/messages")!=null && Play.getVirtualFile("conf/messages").lastModified() > lastLoading) {
onApplicationStart();
return;
}
for(VirtualFile module : Play.modules.values()) {
if(module.child("conf/messages") != null && module.child("conf/messages").exists() && module.child("conf/messages").lastModified() > lastLoading) {
onApplicationStart();
return;
}
}
for (String locale : Play.langs) {
if (Play.getVirtualFile("conf/messages." + locale)!=null && Play.getVirtualFile("conf/messages." + locale).lastModified() > lastLoading) {
onApplicationStart();
return;
}
for(VirtualFile module : Play.modules.values()) {
if(module.child("conf/messages."+locale) != null && module.child("conf/messages."+locale).exists() && module.child("conf/messages."+locale).lastModified() > lastLoading) {
onApplicationStart();
return;
}
}
}
}
}