org.springframework.boot.web.reactive.context.FilteredReactiveWebContextResource Maven / Gradle / Ivy
/*
* Copyright 2012-2017 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.boot.web.reactive.context;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import org.springframework.core.io.AbstractResource;
import org.springframework.core.io.Resource;
import org.springframework.util.StringUtils;
/**
* Resource implementation that replaces the
* {@link org.springframework.web.context.support.ServletContextResource} in a reactive
* web application.
*
* {@link #exists()} always returns {@code false} in order to avoid exposing the whole
* classpath in a non-servlet environment.
*
* @author Brian Clozel
*/
class FilteredReactiveWebContextResource extends AbstractResource {
private final String path;
FilteredReactiveWebContextResource(String path) {
this.path = path;
}
@Override
public boolean exists() {
return false;
}
@Override
public Resource createRelative(String relativePath) throws IOException {
String pathToUse = StringUtils.applyRelativePath(this.path, relativePath);
return new FilteredReactiveWebContextResource(pathToUse);
}
@Override
public String getDescription() {
return "ReactiveWebContext resource [" + this.path + "]";
}
@Override
public InputStream getInputStream() throws IOException {
throw new FileNotFoundException(
this.getDescription() + " cannot be opened because it does not exist");
}
}