ExpiresCacheHandler.java
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/*
* Decompiled with CFR 0_118.
*
* Could not load the following classes:
* javax.servlet.http.HttpServletRequest
* javax.servlet.http.HttpServletResponse
* org.apache.felix.scr.annotations.Activate
* org.apache.felix.scr.annotations.Component
* org.apache.felix.scr.annotations.Reference
* org.apache.felix.scr.annotations.ReferencePolicy
* org.apache.felix.scr.annotations.Service
* org.osgi.service.component.ComponentContext
*/
package com.adobe.granite.httpcache.impl;
import com.adobe.granite.httpcache.api.CacheHandler;
import com.adobe.granite.httpcache.api.CacheStore;
import com.adobe.granite.httpcache.api.Headers;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.felix.scr.annotations.Activate;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.ReferencePolicy;
import org.apache.felix.scr.annotations.Service;
import org.osgi.service.component.ComponentContext;
/*
* This class specifies class file version 49.0 but uses Java 6 signatures. Assumed Java 6.
*/
@Component
@Service(value={CacheHandler.class})
public class ExpiresCacheHandler
implements CacheHandler {
private static final long MINUTE_IN_MS = 60000;
@Reference(policy=ReferencePolicy.DYNAMIC)
private volatile CacheStore store;
@Activate
public void activate(ComponentContext context, Map<String, Object> properties) {
}
@Override
public CacheHandler.TRI_STATE onReceive(HttpServletRequest request) {
return CacheHandler.TRI_STATE.NEXT_HANDLER;
}
@Override
public CacheHandler.TRI_STATE onDeliver(String key, Headers headers, HttpServletResponse response) {
long expires = headers.getDateHeader("Expires");
if (expires < System.currentTimeMillis()) {
this.store.evict(key);
return CacheHandler.TRI_STATE.NO;
}
return CacheHandler.TRI_STATE.NEXT_HANDLER;
}
@Override
public CacheHandler.TRI_STATE onFetch(int status, Headers headers, HttpServletResponse response) {
headers.addHeader("Expires", System.currentTimeMillis() + 60000);
return CacheHandler.TRI_STATE.NEXT_HANDLER;
}
protected void bindStore(CacheStore cacheStore) {
this.store = cacheStore;
}
protected void unbindStore(CacheStore cacheStore) {
if (this.store == cacheStore) {
this.store = null;
}
}
}