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Diffstat (limited to 'archquery/src/com/android/archquery/Main.java')
-rw-r--r-- | archquery/src/com/android/archquery/Main.java | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/archquery/src/com/android/archquery/Main.java b/archquery/src/com/android/archquery/Main.java deleted file mode 100644 index 030cfe5..0000000 --- a/archquery/src/com/android/archquery/Main.java +++ /dev/null @@ -1,72 +0,0 @@ -/* - * Copyright (C) 2009 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package com.android.archquery; - -/** - * Java command line tool to return the CPU architecture of the host java VM. - * - * The goal is to be able to launch SWT based applications (DDMS, Traceview, Android) on any - * type of OS. - * - * Because a 64 bit OS can run a 32 bit Virtual Machine, we need to query the VM itself to know - * whether it's 32 or 64 bit to detect which swt.jar it should use (it contains native libraries). - * Simply querying the OS is not enough. - * - * The other problem is that once a VM is launched it is impossible to change its classpath to - * point the VM to the correct version of swt.jar. - * - * The solution is this small command line tool, running in the VM, and returning the value of - * the 'os.arch' property. Based on the returned value, the script launching the SWT based - * applications will configure the Java VM with the path to the correct swt.jar - * - * Because different VMs return different values for 32 and 64 bit version of x86 CPUs, the program - * handles all the possible values and normalize the returned value. - * - * At this time, the normalized values are: - * x86: 32 bit x86 - * x86_64: 64 bit x86 - * ppc: PowerPC (WARNING: the SDK doesn't actually support this architecture). - * - * - */ -public final class Main { - public static void main(String[] args) { - - for (String arg : args) { - System.out.println(System.getProperty(arg)); - } - - if (args.length == 0) { - // Values listed from http://lopica.sourceforge.net/os.html - String arch = System.getProperty("os.arch"); - - if (arch.equalsIgnoreCase("x86_64") || arch.equalsIgnoreCase("amd64")) { - System.out.print("x86_64"); - - } else if (arch.equalsIgnoreCase("x86") - || arch.equalsIgnoreCase("i386") - || arch.equalsIgnoreCase("i686")) { - System.out.print("x86"); - - } else if (arch.equalsIgnoreCase("ppc") || arch.equalsIgnoreCase("PowerPC")) { - System.out.print("ppc"); - } else { - System.out.print(arch); - } - } - } -} |