io.undertow.server.handlers.cache.CachedHttpRequest Maven / Gradle / Ivy
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* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* 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 io.undertow.server.handlers.cache;
import java.util.Date;
import io.undertow.server.HttpServerExchange;
import io.undertow.server.handlers.encoding.AllowedContentEncodings;
import io.undertow.util.DateUtils;
import io.undertow.util.ETag;
import io.undertow.util.ETagUtils;
import io.undertow.util.Headers;
/**
* @author Stuart Douglas
*/
public class CachedHttpRequest {
private final String path;
private final ETag etag;
private final String contentEncoding;
private final String contentLocation;
private final String language;
private final String contentType;
private final Date lastModified;
private final int responseCode;
public CachedHttpRequest(final HttpServerExchange exchange) {
this.path = exchange.getRequestPath();
this.etag = ETagUtils.getETag(exchange);
this.contentLocation = exchange.getResponseHeaders().getFirst(Headers.CONTENT_LOCATION);
this.language = exchange.getResponseHeaders().getFirst(Headers.CONTENT_LANGUAGE);
this.contentType = exchange.getResponseHeaders().getFirst(Headers.CONTENT_TYPE);
String lmString = exchange.getResponseHeaders().getFirst(Headers.LAST_MODIFIED);
if (lmString == null) {
this.lastModified = null;
} else {
this.lastModified = DateUtils.parseDate(lmString);
}
//the content encoding can be decided dynamically, based on the current state of the request
//as the decision to compress generally depends on size and mime type
final AllowedContentEncodings encoding = exchange.getAttachment(AllowedContentEncodings.ATTACHMENT_KEY);
if(encoding != null) {
this.contentEncoding = encoding.getCurrentContentEncoding();
} else {
this.contentEncoding = exchange.getResponseHeaders().getFirst(Headers.CONTENT_ENCODING);
}
this.responseCode = exchange.getStatusCode();
}
public String getPath() {
return path;
}
public ETag getEtag() {
return etag;
}
public String getContentEncoding() {
return contentEncoding;
}
public String getLanguage() {
return language;
}
public String getContentType() {
return contentType;
}
public Date getLastModified() {
return lastModified;
}
public String getContentLocation() {
return contentLocation;
}
public int getResponseCode() {
return responseCode;
}
@Override
public boolean equals(final Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
final CachedHttpRequest that = (CachedHttpRequest) o;
if (responseCode != that.responseCode) return false;
if (contentEncoding != null ? !contentEncoding.equals(that.contentEncoding) : that.contentEncoding != null)
return false;
if (contentLocation != null ? !contentLocation.equals(that.contentLocation) : that.contentLocation != null)
return false;
if (contentType != null ? !contentType.equals(that.contentType) : that.contentType != null) return false;
if (etag != null ? !etag.equals(that.etag) : that.etag != null) return false;
if (language != null ? !language.equals(that.language) : that.language != null) return false;
if (lastModified != null ? !lastModified.equals(that.lastModified) : that.lastModified != null) return false;
if (path != null ? !path.equals(that.path) : that.path != null) return false;
return true;
}
@Override
public int hashCode() {
int result = path != null ? path.hashCode() : 0;
result = 31 * result + (etag != null ? etag.hashCode() : 0);
result = 31 * result + (contentEncoding != null ? contentEncoding.hashCode() : 0);
result = 31 * result + (contentLocation != null ? contentLocation.hashCode() : 0);
result = 31 * result + (language != null ? language.hashCode() : 0);
result = 31 * result + (contentType != null ? contentType.hashCode() : 0);
result = 31 * result + (lastModified != null ? lastModified.hashCode() : 0);
result = 31 * result + responseCode;
return result;
}
}
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