96 lines
3.3 KiB
Batchfile
96 lines
3.3 KiB
Batchfile
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@echo off
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rem Licensed to the Apache Software Foundation (ASF) under one or more
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rem contributor license agreements. See the NOTICE file distributed with
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rem this work for additional information regarding copyright ownership.
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rem The ASF licenses this file to You under the Apache License, Version 2.0
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rem (the "License"); you may not use this file except in compliance with
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rem the License. You may obtain a copy of the License at
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rem
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rem http://www.apache.org/licenses/LICENSE-2.0
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rem
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rem Unless required by applicable law or agreed to in writing, software
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rem distributed under the License is distributed on an "AS IS" BASIS,
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rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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rem See the License for the specific language governing permissions and
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rem limitations under the License.
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rem ---------------------------------------------------------------------------
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rem Set JAVA_HOME or JRE_HOME if not already set, ensure any provided settings
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rem are valid and consistent with the selected start-up options.
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rem ---------------------------------------------------------------------------
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rem Make sure prerequisite environment variables are set
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rem In debug mode we need a real JDK (JAVA_HOME)
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if ""%1"" == ""debug"" goto needJavaHome
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rem Otherwise either JRE or JDK are fine
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if not "%JRE_HOME%" == "" goto gotJreHome
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if not "%JAVA_HOME%" == "" goto gotJavaHome
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echo Neither the JAVA_HOME nor the JRE_HOME environment variable is defined
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echo At least one of these environment variable is needed to run this program
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goto exit
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:needJavaHome
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rem Check if we have a usable JDK
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if "%JAVA_HOME%" == "" goto noJavaHome
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if not exist "%JAVA_HOME%\bin\java.exe" goto noJavaHome
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if not exist "%JAVA_HOME%\bin\jdb.exe" goto noJavaHome
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if not exist "%JAVA_HOME%\bin\javac.exe" goto noJavaHome
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set "JRE_HOME=%JAVA_HOME%"
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goto okJava
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:noJavaHome
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echo The JAVA_HOME environment variable is not defined correctly.
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echo JAVA_HOME=%JAVA_HOME%
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echo It is needed to run this program in debug mode.
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echo NB: JAVA_HOME should point to a JDK not a JRE.
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goto exit
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:gotJavaHome
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rem No JRE given, check if JAVA_HOME is usable as JRE_HOME
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if not exist "%JAVA_HOME%\bin\java.exe" goto noJavaHomeAsJre
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rem Use JAVA_HOME as JRE_HOME
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set "JRE_HOME=%JAVA_HOME%"
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goto okJava
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:noJavaHomeAsJre
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echo The JAVA_HOME environment variable is not defined correctly.
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echo JAVA_HOME=%JAVA_HOME%
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echo NB: JAVA_HOME should point to a JDK not a JRE.
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goto exit
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:gotJreHome
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rem Check if we have a usable JRE
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if not exist "%JRE_HOME%\bin\java.exe" goto noJreHome
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goto okJava
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:noJreHome
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rem Needed at least a JRE
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echo The JRE_HOME environment variable is not defined correctly
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echo JRE_HOME=%JRE_HOME%
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echo This environment variable is needed to run this program
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goto exit
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:okJava
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rem Don't override _RUNJAVA if the user has set it previously
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if not "%_RUNJAVA%" == "" goto gotRunJava
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rem Set standard command for invoking Java.
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rem Also note the quoting as JRE_HOME may contain spaces.
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set "_RUNJAVA=%JRE_HOME%\bin\java.exe"
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:gotRunJava
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rem Don't override _RUNJDB if the user has set it previously
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rem Also note the quoting as JAVA_HOME may contain spaces.
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if not "%_RUNJDB%" == "" goto gotRunJdb
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set "_RUNJDB=%JAVA_HOME%\bin\jdb.exe"
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:gotRunJdb
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goto end
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:exit
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exit /b 1
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:end
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exit /b 0
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