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AppletLoader - added support for gzip files

This commit is contained in:
kappa1 2011-01-28 23:06:06 +00:00
parent b29a30d115
commit f8fbb34f22
1 changed files with 56 additions and 3 deletions
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59
src/java/org/lwjgl/util/applet/AppletLoader.java
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@ -79,6 +79,7 @@ import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import java.util.jar.JarOutputStream;
import java.util.jar.Pack200;
import java.util.zip.GZIPInputStream;
import sun.security.util.SecurityConstants;
@ -1295,7 +1296,41 @@ public class AppletLoader extends Applet implements Runnable, AppletStub {
// delete LZMA file, as it is no longer needed
f.delete();
}
/**
* Extract GZip File
* @param in Input path to pack file
* @param out output path to resulting file
* @throws Exception if any errors occur
*/
protected void extractGZip(String in, String out) throws Exception {
File f = new File(in);
FileInputStream fileInputHandle = new FileInputStream(f);
InputStream inputHandle = new GZIPInputStream(fileInputHandle);
OutputStream outputHandle;
outputHandle = new FileOutputStream(out);
byte [] buffer = new byte [1<<14];
int ret = inputHandle.read(buffer);
while (ret >= 1) {
outputHandle.write(buffer,0,ret);
ret = inputHandle.read(buffer);
}
inputHandle.close();
outputHandle.close();
outputHandle = null;
inputHandle = null;
// delete GZip file, as it is no longer needed
f.delete();
}
/**
* Extract Pack File
* @param in Input path to pack file
@ -1316,7 +1351,7 @@ public class AppletLoader extends Applet implements Runnable, AppletStub {
}
/**
* Extract all jars from any lzma/pack files
* Extract all jars from any lzma/gz/pack files
*
* @param path output path
* @throws Exception if any errors occur
@ -1325,7 +1360,7 @@ public class AppletLoader extends Applet implements Runnable, AppletStub {
setState(STATE_EXTRACTING_PACKAGES);
float increment = (float) 10.0 / urlList.length;
// extract all lzma and pack.lzma files
// extract all gz, lzma, pack.gz and pack.lzma files
for (int i = 0; i < urlList.length; i++) {
// if file has not changed, skip it
@ -1333,7 +1368,7 @@ public class AppletLoader extends Applet implements Runnable, AppletStub {
percentage = 55 + (int) (increment * (i+1));
String filename = getFileName(urlList[i]);
if (filename.endsWith(".pack.lzma")) {
subtaskMessage = "Extracting: " + filename + " to " + filename.replaceAll(".lzma", "");
debug_sleep(1000);
@ -1343,6 +1378,15 @@ public class AppletLoader extends Applet implements Runnable, AppletStub {
debug_sleep(1000);
extractPack(path + filename.replaceAll(".lzma", ""), path + filename.replaceAll(".pack.lzma", ""));
}
else if (filename.endsWith(".pack.gz")) {
subtaskMessage = "Extracting: " + filename + " to " + filename.replaceAll(".gz", "");
debug_sleep(1000);
extractGZip(path + filename, path + filename.replaceAll(".gz", ""));
subtaskMessage = "Extracting: " + filename.replaceAll(".gz", "") + " to " + filename.replaceAll(".pack.gz", "");
debug_sleep(1000);
extractPack(path + filename.replaceAll(".gz", ""), path + filename.replaceAll(".pack.gz", ""));
}
else if (filename.endsWith(".pack")) {
subtaskMessage = "Extracting: " + filename + " to " + filename.replace(".pack", "");
debug_sleep(1000);
@ -1353,6 +1397,11 @@ public class AppletLoader extends Applet implements Runnable, AppletStub {
debug_sleep(1000);
extractLZMA(path + filename, path + filename.replace(".lzma", ""));
}
else if (filename.endsWith(".gz")) {
subtaskMessage = "Extracting: " + filename + " to " + filename.replace(".gz", "");
debug_sleep(1000);
extractGZip(path + filename, path + filename.replace(".gz", ""));
}
}
}
@ -1546,10 +1595,14 @@ public class AppletLoader extends Applet implements Runnable, AppletStub {
if (fileName.endsWith(".pack.lzma")) {
fileName = fileName.replaceAll(".pack.lzma", "");
} else if (fileName.endsWith(".pack.gz")) {
fileName = fileName.replaceAll(".pack.gz", "");
} else if (fileName.endsWith(".pack")) {
fileName = fileName.replaceAll(".pack", "");
} else if (fileName.endsWith(".lzma")) {
fileName = fileName.replaceAll(".lzma", "");
} else if (fileName.endsWith(".gz")) {
fileName = fileName.replaceAll(".gz", "");
}
return fileName.substring(fileName.lastIndexOf('/') + 1);