org.springframework.web.servlet.theme.FixedThemeResolver Maven / Gradle / Ivy
/*
* Copyright 2002-2017 the original author or authors.
*
* 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
*
* https://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.springframework.web.servlet.theme;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.lang.Nullable;
/**
* {@link org.springframework.web.servlet.ThemeResolver} implementation
* that simply uses a fixed theme. The fixed name can be defined via
* the "defaultThemeName" property; out of the box, it is "theme".
*
* Note: Does not support {@code setThemeName}, as the fixed theme
* cannot be changed.
*
* @author Jean-Pierre Pawlak
* @author Juergen Hoeller
* @since 17.06.2003
* @see #setDefaultThemeName
*/
public class FixedThemeResolver extends AbstractThemeResolver {
@Override
public String resolveThemeName(HttpServletRequest request) {
return getDefaultThemeName();
}
@Override
public void setThemeName(
HttpServletRequest request, @Nullable HttpServletResponse response, @Nullable String themeName) {
throw new UnsupportedOperationException("Cannot change theme - use a different theme resolution strategy");
}
}