upload android base code part9

android/sdk/find_java/find_java.bat

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+@echo off
+rem Copyright (C) 2007 The Android Open Source Project
+rem
+rem Licensed under the Apache License, Version 2.0 (the "License");
+rem you may not use this file except in compliance with the License.
+rem You may obtain a copy of the License at
+rem
+rem      http://www.apache.org/licenses/LICENSE-2.0
+rem
+rem Unless required by applicable law or agreed to in writing, software
+rem distributed under the License is distributed on an "AS IS" BASIS,
+rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+rem See the License for the specific language governing permissions and
+rem limitations under the License.
+
+rem This script is called by the other batch files to find a suitable Java.exe
+rem to use. The script changes the "java_exe" env variable. The variable
+rem is left unset if Java.exe was not found.
+
+rem Useful links:
+rem Command-line reference:
+rem   http://technet.microsoft.com/en-us/library/bb490890.aspx
+
+rem Query whether this system is 32-bit or 64-bit
+rem Note: Some users report that reg.exe is missing on their machine, so we
+rem check for that first, as we'd like to use it if we can.
+set sys_32=%SYSTEMROOT%\system32
+if exist %sys_32%\reg.exe (
+    rem This first-pass solution returns the correct architecture even if you
+    rem call this .bat file from a 32-bit process.
+    rem See also: http://stackoverflow.com/a/24590583/1299302
+    %sys_32%\reg query "HKLM\Hardware\Description\System\CentralProcessor\0"^
+    | %sys_32%\find /i "x86" > NUL && set arch_ext=32|| set arch_ext=64
+) else (
+    rem This fallback approach is simpler, but may misreport your architecture as
+    rem 32-bit if running from a 32-bit process. Still, it should serve to help
+    rem our users without reg.exe, at least.
+    if "%PROCESSOR_ARCHITECTURE%" == "x86" (set arch_ext=32) else (set arch_ext=64)
+)
+
+rem Check we have a valid Java.exe in the path. The return code will
+rem be 0 if the command worked or 1 if the exec failed (program not found).
+for /f "delims=" %%a in ('"%~dps0\find_java%arch_ext%.exe" -s') do set java_exe=%%a
+if not defined java_exe goto :CheckFailed
+
+:SearchJavaW
+rem Check if we can find a javaw.exe at the same location than java.exe.
+rem If that doesn't work, just fall back on the java.exe we just found.
+for /f "delims=" %%a in ('"%~dps0\find_java%arch_ext%.exe" -s -w') do set javaw_exe=%%a
+if not exist "%javaw_exe%" set javaw_exe=%java_exe%
+goto :EOF
+
+
+:CheckFailed
+echo.
+echo ERROR: No suitable Java found. In order to properly use the Android Developer
+echo Tools, you need a suitable version of Java JDK installed on your system.
+echo We recommend that you install the JDK version of JavaSE, available here:
+echo   http://www.oracle.com/technetwork/java/javase/downloads
+echo.
+echo If you already have Java installed, you can define the JAVA_HOME environment
+echo variable in Control Panel / System / Avanced System Settings to point to the
+echo JDK folder.
+echo.
+echo You can find the complete Android SDK requirements here:
+echo   http://developer.android.com/sdk/requirements.html
+echo.
+goto :EOF