/*
* Copyright (C) 2010-2016 JPEXS
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.jpexs.browsers.cache;
import com.jpexs.helpers.LimitedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Map;
import java.util.zip.GZIPInputStream;
import java.util.zip.InflaterInputStream;
/**
*
* @author JPEXS
*/
public abstract class CacheEntry {
public abstract String getRequestURL();
public abstract Map<String, String> getResponseHeaders();
public abstract String getStatusLine();
public abstract String getRequestMethod();
public abstract InputStream getResponseRawDataStream();
public InputStream getResponseDataStream() {
String contentLengthStr = getHeader("Content-Length");
int contentLength = -1;
if (contentLengthStr != null) {
try {
contentLength = Integer.parseInt(contentLengthStr);
} catch (NumberFormatException nex) {
}
}
final InputStream rawIs = getResponseRawDataStream();
InputStream is = rawIs;
if (contentLength > -1) {
is = new LimitedInputStream(is, contentLength);
}
String encoding = getHeader("Content-Encoding");
if (encoding != null) {
switch (encoding) {
case "gzip":
try {
is = new GZIPInputStream(is);
} catch (IOException ex) {
is = null;
//ignore
}
break;
case "deflate":
is = new InflaterInputStream(is);
break;
default: //unknown
return null;
}
}
if ("chunked".equals(getHeader("Transfer-Encoding"))) {
is = new ChunkedInputStream(is);
}
return is;
}
@Override
public String toString() {
return getRequestURL();
}
public int getStatusCode() {
String st = getStatusLine();
if (st == null) {
return 0;
}
String[] parts = st.split(" ");
try {
return Integer.parseInt(parts[1]);
} catch (NumberFormatException nfe) {
return 0;
}
}
public String getHeader(String header) {
Map<String, String> m = getResponseHeaders();
if (m == null) {
return null;
}
for (String k : m.keySet()) {
if (k.toLowerCase().equals(header.toLowerCase())) {
return m.get(k);
}
}
return null;
}
}