org.springframework.web.reactive.result.view.ViewResolverSupport Maven / Gradle / Ivy
/*
* Copyright 2002-2018 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
*
* 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.springframework.web.reactive.result.view;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.List;
import org.springframework.core.Ordered;
import org.springframework.http.MediaType;
import org.springframework.util.Assert;
/**
* Base class for {@code ViewResolver} implementations with shared properties.
*
* @author Rossen Stoyanchev
* @author Juergen Hoeller
* @since 5.0
*/
public abstract class ViewResolverSupport implements Ordered {
/**
* The default {@link MediaType content-type} for views.
*/
public static final MediaType DEFAULT_CONTENT_TYPE = MediaType.parseMediaType("text/html;charset=UTF-8");
private List mediaTypes = new ArrayList<>(4);
private Charset defaultCharset = StandardCharsets.UTF_8;
private int order = Ordered.LOWEST_PRECEDENCE;
public ViewResolverSupport() {
this.mediaTypes.add(DEFAULT_CONTENT_TYPE);
}
/**
* Set the supported media types for this view.
* Default is "text/html;charset=UTF-8".
*/
public void setSupportedMediaTypes(List supportedMediaTypes) {
Assert.notEmpty(supportedMediaTypes, "MediaType List must not be empty");
this.mediaTypes.clear();
this.mediaTypes.addAll(supportedMediaTypes);
}
/**
* Return the configured media types supported by this view.
*/
public List getSupportedMediaTypes() {
return this.mediaTypes;
}
/**
* Set the default charset for this view, used when the
* {@linkplain #setSupportedMediaTypes(List) content type} does not contain one.
* Default is {@linkplain StandardCharsets#UTF_8 UTF 8}.
*/
public void setDefaultCharset(Charset defaultCharset) {
Assert.notNull(defaultCharset, "Default Charset must not be null");
this.defaultCharset = defaultCharset;
}
/**
* Return the default charset, used when the
* {@linkplain #setSupportedMediaTypes(List) content type} does not contain one.
*/
public Charset getDefaultCharset() {
return this.defaultCharset;
}
/**
* Specify the order value for this ViewResolver bean.
* The default value is {@code Ordered.LOWEST_PRECEDENCE}, meaning non-ordered.
* @see org.springframework.core.Ordered#getOrder()
*/
public void setOrder(int order) {
this.order = order;
}
@Override
public int getOrder() {
return this.order;
}
}