ClassLoaderTheme.java
/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.keycloak.theme;
import org.keycloak.models.RealmModel;
import org.keycloak.services.util.LocaleUtil;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Collections;
import java.util.Locale;
import java.util.Map;
import java.util.Properties;
/**
* @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
*/
public class ClassLoaderTheme implements Theme {
private String name;
private String parentName;
private String importName;
private Type type;
private ClassLoader classLoader;
private String templateRoot;
private String resourceRoot;
private String messageRoot;
private Properties properties;
public ClassLoaderTheme(String name, Type type, ClassLoader classLoader) throws IOException {
init(name, type, classLoader);
}
public void init(String name, Type type, ClassLoader classLoader) throws IOException {
this.name = name;
this.type = type;
this.classLoader = classLoader;
String themeRoot = "theme/" + name + "/" + type.toString().toLowerCase() + "/";
this.templateRoot = themeRoot;
this.resourceRoot = themeRoot + "resources/";
this.messageRoot = themeRoot + "messages/";
this.properties = new Properties();
URL p = classLoader.getResource(themeRoot + "theme.properties");
if (p != null) {
try (InputStream stream = p.openStream()) {
PropertiesUtil.readCharsetAware(properties, stream);
}
this.parentName = properties.getProperty("parent");
this.importName = properties.getProperty("import");
} else {
this.parentName = null;
this.importName = null;
}
}
@Override
public String getName() {
return name;
}
@Override
public String getParentName() {
return parentName;
}
@Override
public String getImportName() {
return importName;
}
@Override
public Type getType() {
return type;
}
@Override
public URL getTemplate(String name) {
return classLoader.getResource(templateRoot + name);
}
@Override
public InputStream getResourceAsStream(String path) throws IOException {
final URL rootResourceURL = classLoader.getResource(resourceRoot);
if (rootResourceURL == null) {
return null;
}
String rootPath = rootResourceURL.getPath();
if (rootPath.endsWith("//")) {
// needed for asset loading in quarkus IDELauncher - see gh issue #9942
rootPath = rootPath.substring(0, rootPath.length() -1);
}
final URL resourceURL = classLoader.getResource(resourceRoot + path);
if(resourceURL == null || !resourceURL.getPath().startsWith(rootPath)) {
return null;
}
else {
return resourceURL.openConnection().getInputStream();
}
}
@Override
public Properties getMessages(Locale locale) throws IOException {
return getMessages("messages", locale);
}
@Override
public Properties getMessages(String baseBundlename, Locale locale) throws IOException {
if(locale == null){
return null;
}
Properties m = new Properties();
URL url = classLoader.getResource(this.messageRoot + baseBundlename + "_" + locale + ".properties");
if (url != null) {
try (InputStream stream = url.openStream()) {
PropertiesUtil.readCharsetAware(m, stream);
}
}
return m;
}
@Override
public Properties getEnhancedMessages(RealmModel realm, Locale locale) throws IOException {
if (locale == null){
return null;
}
Map<Locale, Properties> localeMessages = Collections.singletonMap(locale, getMessages(locale));
return LocaleUtil.enhancePropertiesWithRealmLocalizationTexts(realm, locale, localeMessages);
}
@Override
public Properties getProperties() {
return properties;
}
}