/*
* 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.cocoon.pipeline.caching;
import java.net.URL;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.apache.cocoon.pipeline.util.MurmurHashCodeBuilder;
import org.apache.cocoon.pipeline.util.StringRepresentation;
public class TimestampCacheKey extends AbstractCacheKey {
private static final long serialVersionUID = 1L;
private final long timestamp;
private final URL url;
public TimestampCacheKey(URL url, long timestamp) {
super();
this.url = url;
this.timestamp = timestamp;
}
@Override
public boolean equals(Object obj) {
if (!(obj instanceof TimestampCacheKey)) {
return false;
}
TimestampCacheKey other = (TimestampCacheKey) obj;
return this.url.equals(other.url);
}
public long getTimestamp() {
return this.timestamp;
}
public long getLastModified() {
return this.getTimestamp();
}
@Override
public int hashCode() {
return new MurmurHashCodeBuilder().append(this.url.toExternalForm()).append(this.timestamp).toHashCode();
}
public boolean isValid(CacheKey cacheKey) {
if (!this.equals(cacheKey)) {
return false;
}
TimestampCacheKey other = (TimestampCacheKey) cacheKey;
return this.timestamp == other.timestamp;
}
@Override
public String toString() {
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.S");
return StringRepresentation.buildString(this, "url=" + this.url, "timestamp=" + this.timestamp + " ("
+ dateFormat.format(new Date(this.timestamp)) + ")");
}
}