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Fixed finding Java problem with Windows XP.

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This commit is contained in:
huanghongxun
2015-08-07 21:49:18 +08:00
parent 1d915194c2
commit 798d933079
2 changed files with 21 additions and 9 deletions
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26
HMCLAPI/src/main/java/org/jackhuang/hellominecraft/utils/system/Java.java
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@@ -83,21 +83,33 @@ public class Java {
String[] cmd = new String[]{"cmd", "/c", "reg", "query", location};
List<String> l = IOUtils.readProcessByInputStream(cmd);
List<String> ans = new ArrayList<>();
for (String line : l)
for (String line : l) {
if (line.startsWith(location) && !line.equals(location))
ans.add(line);
}
return ans;
}
private static String queryRegValue(String location, String name) throws IOException, InterruptedException {
String[] cmd = new String[]{"cmd", "/c", "reg", "query", location, "/v", name};
List<String> l = IOUtils.readProcessByInputStream(cmd);
if (l.size() < 3) return null;
// 18 = 4 spaces + [name.length()] + 4 spaces + "REG_SZ".length()=6 characters + 4 spaces
String s = l.get(2);
if (s != null && s.startsWith(" " + name + " REG_SZ "))
return s.substring((" " + name + " REG_SZ ").length());
else return null;
boolean last = false;
for(String s : l) {
if(s.trim().isEmpty()) continue;
if (last == true && s.trim().startsWith(name)) {
int begins = s.indexOf(name);
if(begins > 0) {
s = s.substring(begins + name.length());
begins = s.indexOf("REG_SZ");
if(begins > 0) {
s = s.substring(begins + "REG_SZ".length());
return s.trim();
}
}
}
if(s.trim().equals(location)) last = true;
}
return null;
}
}