/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.sling.featureflags.impl;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import org.apache.sling.api.resource.ResourceResolver;
import org.apache.sling.featureflags.ExecutionContext;
import org.apache.sling.featureflags.Feature;
/**
* Implementation of the provider context.
*/
public class ExecutionContextImpl implements ExecutionContext {
private static final String REQUEST_ATTRIBUTE_RESOLVER = "org.apache.sling.auth.core.ResourceResolver";
private final ResourceResolver resourceResolver;
private final HttpServletRequest request;
private final Map<String, Boolean> featureCache;
public ExecutionContextImpl(final HttpServletRequest request) {
ResourceResolver resourceResolver = null;
if (request != null) {
Object resolverObject = request.getAttribute(REQUEST_ATTRIBUTE_RESOLVER);
if (resolverObject instanceof ResourceResolver) {
resourceResolver = (ResourceResolver) resolverObject;
}
}
this.request = request;
this.resourceResolver = resourceResolver;
this.featureCache = new HashMap<String, Boolean>();
}
@Override
public HttpServletRequest getRequest() {
return this.request;
}
@Override
public ResourceResolver getResourceResolver() {
return this.resourceResolver;
}
boolean isEnabled(Feature feature) {
final String name = feature.getName();
Boolean entry = this.featureCache.get(name);
if (entry == null) {
entry = Boolean.valueOf(feature.isEnabled(this));
this.featureCache.put(name, entry);
}
return entry;
}
}