com.codename1.io.services.CachedData Maven / Gradle / Ivy
/*
* Copyright (c) 2012, Codename One and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Codename One designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Codename One through http://www.codenameone.com/ if you
* need additional information or have any questions.
*/
package com.codename1.io.services;
import com.codename1.io.Externalizable;
import com.codename1.io.Util;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
/**
* Cached data class for use with the cached data service
*
* @author Shai Almog
*/
public class CachedData implements Externalizable {
private byte[] data;
private String url;
private String etag;
private String modified;
// lock to prevent multiple requests to the same data
private boolean fetching;
/**
* {@inheritDoc}
*/
public int getVersion() {
return 1;
}
/**
* {@inheritDoc}
*/
public void externalize(DataOutputStream out) throws IOException {
Util.writeUTF(url, out);
Util.writeUTF(etag, out);
Util.writeUTF(modified, out);
out.writeInt(data.length);
out.write(data);
}
/**
* {@inheritDoc}
*/
public void internalize(int version, DataInputStream in) throws IOException {
url = Util.readUTF(in);
etag = Util.readUTF(in);
modified = Util.readUTF(in);
data = new byte[in.readInt()];
in.readFully(data);
}
public String getObjectId() {
return "CachedData";
}
/**
* @return the data
*/
public byte[] getData() {
return data;
}
/**
* @param data the data to set
*/
public void setData(byte[] data) {
this.data = data;
}
/**
* @return the url
*/
public String getUrl() {
return url;
}
/**
* @param url the url to set
*/
public void setUrl(String url) {
this.url = url;
}
/**
* @return the etag
*/
String getEtag() {
return etag;
}
/**
* @param etag the etag to set
*/
void setEtag(String etag) {
this.etag = etag;
}
/**
* @return the modified
*/
String getModified() {
return modified;
}
/**
* @param modified the modified to set
*/
void setModified(String modified) {
this.modified = modified;
}
/**
* @return the fetching
*/
boolean isFetching() {
return fetching;
}
/**
* @param fetching the fetching to set
*/
void setFetching(boolean fetching) {
this.fetching = fetching;
}
}