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[VIVO-1294] Allow applications built on Vitro to have application-level messages distinct from themes

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This commit is contained in:
Graham Triggs 2017-08-29 22:56:15 +01:00
parent c409697267
commit a132b2421e
1 changed files with 61 additions and 35 deletions
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96
api/src/main/java/edu/cornell/mannlib/vitro/webapp/i18n/VitroResourceBundle.java
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@ -9,7 +9,9 @@ import java.io.IOException;
import java.io.InputStreamReader; import java.io.InputStreamReader;
import java.io.Reader; import java.io.Reader;
import java.text.MessageFormat; import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.Enumeration; import java.util.Enumeration;
import java.util.List;
import java.util.Properties; import java.util.Properties;
import java.util.ResourceBundle; import java.util.ResourceBundle;
@ -49,6 +51,22 @@ public class VitroResourceBundle extends ResourceBundle {
private static final String FILE_FLAG = "@@file "; private static final String FILE_FLAG = "@@file ";
private static final String MESSAGE_FILE_NOT_FOUND = "File {1} not found for property {0}."; private static final String MESSAGE_FILE_NOT_FOUND = "File {1} not found for property {0}.";
private static final List<String> appPrefixes = new ArrayList<>();
static {
addAppPrefix("vitro");
}
public static void addAppPrefix(String prefix) {
if (!prefix.endsWith("-") && !prefix.endsWith("_")) {
prefix = prefix + "_";
}
if (!appPrefixes.contains(prefix)) {
appPrefixes.add(prefix);
}
}
// ---------------------------------------------------------------------- // ----------------------------------------------------------------------
// Factory method // Factory method
// ---------------------------------------------------------------------- // ----------------------------------------------------------------------
@ -94,7 +112,6 @@ public class VitroResourceBundle extends ResourceBundle {
private final String appI18nPath; private final String appI18nPath;
private final String themeI18nPath; private final String themeI18nPath;
private final Control control; private final Control control;
private final Properties defaults;
private final Properties properties; private final Properties properties;
private VitroResourceBundle(String bundleName, ServletContext ctx, private VitroResourceBundle(String bundleName, ServletContext ctx,
@ -105,49 +122,58 @@ public class VitroResourceBundle extends ResourceBundle {
this.appI18nPath = appI18nPath; this.appI18nPath = appI18nPath;
this.themeI18nPath = themeI18nPath; this.themeI18nPath = themeI18nPath;
this.control = control; this.control = control;
this.properties = loadProperties();
this.defaults = new Properties();
this.properties = new Properties(this.defaults);
loadProperties();
loadReferencedFiles(); loadReferencedFiles();
} }
private void loadProperties() throws IOException { private Properties loadProperties() throws IOException {
String resourceName = control.toResourceName(bundleName, "properties"); String resourceName = control.toResourceName(bundleName, "properties");
Properties props = null;
String defaultsPath = joinPath(appI18nPath, resourceName); File defaultsPath = locateFile(joinPath(appI18nPath, resourceName));
String propertiesPath = joinPath(themeI18nPath, resourceName); File propertiesPath = locateFile(joinPath(themeI18nPath, resourceName));
File defaultsFile = locateFile(defaultsPath);
File propertiesFile = locateFile(propertiesPath);
if ((defaultsFile == null) && (propertiesFile == null)) { props = loadProperties(props, defaultsPath);
throw new FileNotFoundException("Property file not found at '" if (appPrefixes != null && appPrefixes.size() > 0) {
+ defaultsPath + "' or '" + propertiesPath + "'"); for (String appPrefix : appPrefixes) {
} props = loadProperties(props, locateFile(joinPath(appI18nPath, (appPrefix + resourceName))));
if (defaultsFile != null) {
log.debug("Loading bundle '" + bundleName + "' defaults from '"
+ defaultsPath + "'");
FileInputStream stream = new FileInputStream(defaultsFile);
Reader reader = new InputStreamReader(stream, "UTF-8");
try {
this.defaults.load(reader);
} finally {
reader.close();
} }
} }
if (propertiesFile != null) { props = loadProperties(props, propertiesPath);
log.debug("Loading bundle '" + bundleName + "' overrides from '" if (props == null) {
+ propertiesPath + "'"); throw new FileNotFoundException("Property file not found at '" + defaultsPath + "' or '" + propertiesPath + "'");
FileInputStream stream = new FileInputStream(propertiesFile);
Reader reader = new InputStreamReader(stream, "UTF-8");
try {
this.properties.load(reader);
} finally {
reader.close();
}
} }
props = loadProperties(props, locateFile(joinPath(appI18nPath, "local_" + resourceName)));
return props;
}
private Properties loadProperties(Properties defProps, File file) throws IOException {
if (file == null || !file.isFile()) {
return defProps;
}
Properties props = null;
if (defProps != null) {
props = new Properties(defProps);
} else {
props = new Properties();
}
log.debug("Loading bundle '" + bundleName + "' defaults from '" + file + "'");
FileInputStream stream = new FileInputStream(file);
Reader reader = new InputStreamReader(stream, "UTF-8");
try {
props.load(reader);
} finally {
reader.close();
}
if (props.size() > 0) {
return props;
}
return defProps;
} }
private void loadReferencedFiles() throws IOException { private void loadReferencedFiles() throws IOException {