AfflictionNetworks/getdown
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To be safe, if we had a version file before and the latest version is

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newer, overwrite with the newer version.
This commit is contained in:
Andrzej Kapolka
2011-01-06 21:09:59 +00:00
parent 9577c2127c
commit 86f580c175
1 changed files with 10 additions and 1 deletions
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src/main/java/com/threerings/getdown/data/Application.java
+10 -1
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@@ -36,6 +36,7 @@ import java.io.FileReader;
import java.io.IOException; import java.io.IOException;
import java.io.InputStream; import java.io.InputStream;
import java.io.InputStreamReader; import java.io.InputStreamReader;
import java.io.PrintStream;
import java.io.RandomAccessFile; import java.io.RandomAccessFile;
import java.lang.reflect.Method; import java.lang.reflect.Method;
import java.net.MalformedURLException; import java.net.MalformedURLException;
@@ -1014,12 +1015,13 @@ public class Application
if (_version != -1) { if (_version != -1) {
File vfile = getLocalPath(VERSION_FILE); File vfile = getLocalPath(VERSION_FILE);
FileInputStream fin = null; FileInputStream fin = null;
long fileVersion = -1;
try { try {
fin = new FileInputStream(vfile); fin = new FileInputStream(vfile);
BufferedReader bin = new BufferedReader(new InputStreamReader(fin)); BufferedReader bin = new BufferedReader(new InputStreamReader(fin));
String vstr = bin.readLine(); String vstr = bin.readLine();
if (!StringUtil.isBlank(vstr)) { if (!StringUtil.isBlank(vstr)) {
_targetVersion = Long.parseLong(vstr); _targetVersion = fileVersion = Long.parseLong(vstr);
} }
} catch (Exception e) { } catch (Exception e) {
log.info("Unable to read version file: " + e.getMessage()); log.info("Unable to read version file: " + e.getMessage());
@@ -1029,12 +1031,18 @@ public class Application
if (_latest != null) { if (_latest != null) {
InputStream in = null; InputStream in = null;
PrintStream out = null;
try { try {
in = _latest.openStream(); in = _latest.openStream();
BufferedReader bin = new BufferedReader(new InputStreamReader(in)); BufferedReader bin = new BufferedReader(new InputStreamReader(in));
for (String[] pair : ConfigUtil.parsePairs(bin, false)) { for (String[] pair : ConfigUtil.parsePairs(bin, false)) {
if (pair[0].equals("version")) { if (pair[0].equals("version")) {
_targetVersion = Math.max(Long.parseLong(pair[1]), _targetVersion); _targetVersion = Math.max(Long.parseLong(pair[1]), _targetVersion);
if (fileVersion != -1 && _targetVersion > fileVersion) {
// replace the file with the newest version
out = new PrintStream(new FileOutputStream(vfile));
out.println(_targetVersion);
}
break; break;
} }
} }
@@ -1042,6 +1050,7 @@ public class Application
log.warning("Unable to retrieve version from latest config file.", e); log.warning("Unable to retrieve version from latest config file.", e);
} finally { } finally {
StreamUtil.close(in); StreamUtil.close(in);
StreamUtil.close(out);
} }
} }
} }