DefaultThemeManagerFactory.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.jboss.logging.Logger;
import org.keycloak.Config;
import org.keycloak.models.KeycloakSession;
import org.keycloak.models.ThemeManager;
import java.util.concurrent.ConcurrentHashMap;
/**
* @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
*/
public class DefaultThemeManagerFactory {
private static final Logger log = Logger.getLogger(DefaultThemeManagerFactory.class);
private ConcurrentHashMap<ThemeKey, Theme> themeCache;
public DefaultThemeManagerFactory() {
if(Config.scope("theme").getBoolean("cacheThemes", true)) {
themeCache = new ConcurrentHashMap<>();
}
}
public ThemeManager create(KeycloakSession session) {
return new DefaultThemeManager(this, session);
}
public Theme getCachedTheme(String name, Theme.Type type) {
if (themeCache != null) {
DefaultThemeManagerFactory.ThemeKey key = DefaultThemeManagerFactory.ThemeKey.get(name, type);
return themeCache.get(key);
} else {
return null;
}
}
public Theme addCachedTheme(String name, Theme.Type type, Theme theme) {
if (theme == null) {
return null;
}
if (themeCache == null) {
return theme;
}
DefaultThemeManagerFactory.ThemeKey key = DefaultThemeManagerFactory.ThemeKey.get(name, type);
if (themeCache.putIfAbsent(key, theme) != null) {
theme = themeCache.get(key);
}
return theme;
}
public boolean isCacheEnabled() {
return themeCache != null;
}
public void clearCache() {
if (themeCache != null) {
themeCache.clear();
log.info("Cleared theme cache");
}
}
public static class ThemeKey {
private String name;
private Theme.Type type;
public static ThemeKey get(String name, Theme.Type type) {
return new ThemeKey(name, type);
}
private ThemeKey(String name, Theme.Type type) {
this.name = name;
this.type = type;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Theme.Type getType() {
return type;
}
public void setType(Theme.Type type) {
this.type = type;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
ThemeKey themeKey = (ThemeKey) o;
if (name != null ? !name.equals(themeKey.name) : themeKey.name != null) return false;
if (type != themeKey.type) return false;
return true;
}
@Override
public int hashCode() {
int result = name != null ? name.hashCode() : 0;
result = 31 * result + (type != null ? type.hashCode() : 0);
return result;
}
}
}