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package NET.worlds.core;
import NET.worlds.network.URL;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
public class Archive {
public static final String archiveName = "content.zip";
private static Object mutex = new Object();
private static Object noArchive = new Object();
private static java.util.Hashtable<String, Object> archives = new java.util.Hashtable<String, Object>();
private static String homePrefix = URL.getHome().unalias();
private ZipFile zip;
public static boolean exists(String name) {
synchronized (mutex) {
String nname = name.toLowerCase().replace('\\', '/');
if (nname.startsWith("./")) {
nname = homePrefix + nname.substring(2);
}
if (nname.startsWith(homePrefix)) {
nname = nname.substring(homePrefix.length());
Archive arch = getOrMake("");
if (arch != null && arch.lookup(nname) != null) {
return true;
}
int start = -1;
int end;
while ((end = nname.indexOf(47, start + 1)) != -1) {
String path = nname.substring(0, end + 1);
arch = getOrMake(path);
if (arch != null) {
String file = nname.substring(end + 1);
if (arch.lookup(file) != null) {
return true;
}
}
start = end;
}
}
File f = new File(name);
int length = (int)f.length();
return length != 0;
}
}
private static void reallyRead(InputStream s, byte[] data) throws IOException {
int bytesRemaining = data.length;
int totalBytesRead = 0;
while (bytesRemaining > 0) {
int bytesRead = s.read(data, totalBytesRead, bytesRemaining);
totalBytesRead += bytesRead;
if (bytesRead == -1) {
return;
}
bytesRemaining -= bytesRead;
}
}
public static byte[] readBinaryFile(String name) {
synchronized (mutex) {
try {
String nname = name.toLowerCase().replace('\\', '/');
if (nname.startsWith("./")) {
nname = homePrefix + nname.substring(2);
}
if (nname.startsWith(homePrefix)) {
nname = nname.substring(homePrefix.length());
Archive arch = getOrMake("");
ZipEntry entry;
if (arch != null && (entry = arch.lookup(nname)) != null) {
return arch.load(entry);
}
int start = -1;
int end;
while ((end = nname.indexOf(47, start + 1)) != -1) {
String path = nname.substring(0, end + 1);
arch = getOrMake(path);
if (arch != null) {
String file = nname.substring(end + 1);
if ((entry = arch.lookup(file)) != null) {
return arch.load(entry);
}
}
start = end;
}
}
File f = new File(name);
int length = (int)f.length();
if (length != 0) {
FileInputStream fis = new FileInputStream(f);
byte[] data = new byte[length];
reallyRead(fis, data);
fis.close();
return data;
}
} catch (IOException var9) {
}
return null;
}
}
public static byte[] readTextFile(String name) {
byte[] data = readBinaryFile(name);
if (data != null) {
int count = 0;
for (int i = 0; i < data.length; i++) {
if (data[i] == 13 && data[i + 1] == 10) {
i++;
count++;
}
}
byte[] ret = new byte[data.length - count];
int j = 0;
for (int ix = 0; ix < data.length; ix++) {
if (data[ix] != 13 || data[ix + 1] != 10) {
ret[j++] = data[ix];
}
}
data = ret;
}
return data;
}
public static void flushAll() {
synchronized (mutex) {
Enumeration<Object> e = archives.elements();
while (e.hasMoreElements()) {
Object o = e.nextElement();
if (o instanceof Archive) {
((Archive)o).close();
}
}
archives.clear();
}
}
private static Archive getOrMake(String relPath) {
String archName = relPath + "content.zip";
Object obj = archives.get(archName);
if (obj == null) {
try {
Archive arch = new Archive(archName);
archives.put(archName, arch);
return arch;
} catch (IOException var4) {
archives.put(archName, noArchive);
}
} else if (obj != noArchive) {
return (Archive)obj;
}
return null;
}
private Archive(String path) throws IOException {
this.zip = new ZipFile(homePrefix + path);
}
private void close() {
try {
this.zip.close();
} catch (IOException var2) {
}
}
private ZipEntry lookup(String name) {
return this.zip.getEntry(name);
}
private byte[] load(ZipEntry ent) throws IOException {
return load(this.zip, ent);
}
static byte[] load(ZipFile zip, ZipEntry ent) throws IOException {
int size = (int)ent.getSize();
byte[] data = new byte[size];
InputStream is = zip.getInputStream(ent);
if (ent.getMethod() == 0) {
reallyRead(is, data);
} else {
BufferedInputStream bis = new BufferedInputStream(is, 4096);
int amt = 0;
while (amt < size) {
amt += bis.read(data, amt, size - amt);
}
bis.close();
}
return data;
}
static Object getMutex() {
return mutex;
}
}
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