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Provide os-, jvm-, memory- and video- specific variants of toString().

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git-svn-id: https://samskivert.googlecode.com/svn/trunk@1011 6335cc39-0255-0410-8fd6-9bcaacd3b74c
This commit is contained in:
shaper
2003-01-14 22:31:27 +00:00
parent c4fc394c3d
commit d87940ab7b
1 changed files with 47 additions and 25 deletions
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projects/samskivert/src/java/com/samskivert/util/SystemInfo.java
+47 -25
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@@ -1,5 +1,5 @@
//
// $Id: SystemInfo.java,v 1.1 2003/01/14 22:07:05 shaper Exp $
// $Id: SystemInfo.java,v 1.2 2003/01/14 22:31:27 shaper Exp $
//
// samskivert library - useful routines for java programs
// Copyright (C) 2003 Walter Korman
@@ -115,36 +115,58 @@ public class SystemInfo
displayHeight = mode.getHeight();
}
/**
* Returns a terse readable string representation of the operating
* system name, version and architecture.
*/
public String osToString ()
{
return osName + " (" + osVersion + "-" + osArch + ")";
}
/**
* Returns a terse readable string representation of the java virtual
* machine version and vendor.
*/
public String jvmToString ()
{
return javaVersion + ", " + javaVendor;
}
/**
* Returns a terse readable string representation of memory usage.
*/
public String memoryToString ()
{
return freeMemory + "k free, " + usedMemory + "k used, " +
totalMemory + "k total, " + maxMemory + "k max";
}
/**
* Returns a terse readable string representation of the video display
* settings.
*/
public String videoToString ()
{
String sdepth = (bitDepth == -1) ? "unknown bit depth" :
bitDepth + "-bit";
String srate = (refreshRate == DisplayMode.REFRESH_RATE_UNKNOWN) ?
"unknown refresh rate" : (refreshRate + "kHz");
String sfull = (isFullScreen) ? "full-screen" : "windowed";
return displayWidth + "x" + displayHeight + ", " + sdepth + ", " +
srate + ", " + sfull;
}
/**
* Returns a string representation of this instance.
*/
public String toString ()
{
StringBuffer buf = new StringBuffer();
// hardware and platform information
buf.append("OS: ").append(osName).append(" (").
append(osVersion).append("-").append(osArch).append(")\n");
buf.append("JVM: ").append(javaVersion).
append(", ").append(javaVendor).append("\n");
// memory information
buf.append("Memory: ").append(freeMemory).append("k free, ").
append(usedMemory).append("k used, ").
append(totalMemory).append("k total, ").
append(maxMemory).append("k max\n");
// video information
String sbitDepth = (bitDepth == -1) ? "unknown bit depth" :
bitDepth + "-bit";
String srefreshRate =
(refreshRate == DisplayMode.REFRESH_RATE_UNKNOWN) ?
"unknown refresh rate" : (refreshRate + "kHz");
String sfullScreen = (isFullScreen) ? "full-screen" : "windowed";
buf.append("Display: ").append(displayWidth).append("x").
append(displayHeight).append(", ").append(sbitDepth).
append(", ").append(srefreshRate).append(", ").append(sfullScreen);
buf.append("OS: ").append(osToString()).append("\n");
buf.append("JVM: ").append(jvmToString()).append("\n");
buf.append("Memory: ").append(memoryToString()).append("\n");
buf.append("Video: ").append(videoToString());
return buf.toString();
}
}