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Get list of system properties from command line only
How to get an enum value from a string value in Java?Setting Java system properties without putting the values on the command lineSet multiple system properties Java command lineObtaining the “user.dir” system property for a java process from the command lineHow to avoid Java system properties on command line?How do I run a Java program from the command line on Windows?Problems passing system properties and parameters when running Java class via GradleReading Java system properties from command lineCan command-line set Java system properties be distinguished from the defaults?Command line parameters in Java
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This is similar to a pretty basic question, I'm trying to find a list of system properties passed to the java program from the command line only. E.g., running
java -Dsome.property=value -Dother.property=value2
I'm trying to get a list of JUST these properties. Ignore the specific property names in the example, the actual command line arguments will be arbitrarily named so it is not feasible to explicitly call System.getProperty("some.property") for each property I need.
System.getProperties() returns many properties that I do not have any interest in. Is it possible to differentiate between properties set on the command line when starting the program vs those that come from elsewhere?
java grails groovy
edited Mar 28 at 17:01
Daniel
2,3011 gold badge7 silver badges25 bronze badges
asked Mar 28 at 14:51
TreblaTrebla
6741 gold badge6 silver badges22 bronze badges
add a comment
|
This is similar to a pretty basic question, I'm trying to find a list of system properties passed to the java program from the command line only. E.g., running
java -Dsome.property=value -Dother.property=value2
I'm trying to get a list of JUST these properties. Ignore the specific property names in the example, the actual command line arguments will be arbitrarily named so it is not feasible to explicitly call System.getProperty("some.property") for each property I need.
System.getProperties() returns many properties that I do not have any interest in. Is it possible to differentiate between properties set on the command line when starting the program vs those that come from elsewhere?
java grails groovy
edited Mar 28 at 17:01
Daniel
2,3011 gold badge7 silver badges25 bronze badges
asked Mar 28 at 14:51
TreblaTrebla
6741 gold badge6 silver badges22 bronze badges
add a comment
|
This is similar to a pretty basic question, I'm trying to find a list of system properties passed to the java program from the command line only. E.g., running
java -Dsome.property=value -Dother.property=value2
I'm trying to get a list of JUST these properties. Ignore the specific property names in the example, the actual command line arguments will be arbitrarily named so it is not feasible to explicitly call System.getProperty("some.property") for each property I need.
System.getProperties() returns many properties that I do not have any interest in. Is it possible to differentiate between properties set on the command line when starting the program vs those that come from elsewhere?
java grails groovy
edited Mar 28 at 17:01
Daniel
2,3011 gold badge7 silver badges25 bronze badges
asked Mar 28 at 14:51
TreblaTrebla
6741 gold badge6 silver badges22 bronze badges
This is similar to a pretty basic question, I'm trying to find a list of system properties passed to the java program from the command line only. E.g., running
java -Dsome.property=value -Dother.property=value2
I'm trying to get a list of JUST these properties. Ignore the specific property names in the example, the actual command line arguments will be arbitrarily named so it is not feasible to explicitly call System.getProperty("some.property") for each property I need.
System.getProperties() returns many properties that I do not have any interest in. Is it possible to differentiate between properties set on the command line when starting the program vs those that come from elsewhere?
java grails groovy
java grails groovy
edited Mar 28 at 17:01
Daniel
2,3011 gold badge7 silver badges25 bronze badges
asked Mar 28 at 14:51
TreblaTrebla
6741 gold badge6 silver badges22 bronze badges
edited Mar 28 at 17:01
Daniel
2,3011 gold badge7 silver badges25 bronze badges
asked Mar 28 at 14:51
TreblaTrebla
6741 gold badge6 silver badges22 bronze badges
edited Mar 28 at 17:01
Daniel
2,3011 gold badge7 silver badges25 bronze badges
edited Mar 28 at 17:01
Daniel
2,3011 gold badge7 silver badges25 bronze badges
edited Mar 28 at 17:01
Daniel
2,3011 gold badge7 silver badges25 bronze badges
2,3011 gold badge7 silver badges25 bronze badges
asked Mar 28 at 14:51
TreblaTrebla
6741 gold badge6 silver badges22 bronze badges
asked Mar 28 at 14:51
TreblaTrebla
6741 gold badge6 silver badges22 bronze badges
asked Mar 28 at 14:51
TreblaTrebla
6741 gold badge6 silver badges22 bronze badges
6741 gold badge6 silver badges22 bronze badges
add a comment
|
add a comment
|
1 Answer
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Is it possible to differentiate between properties set on the command
line when starting the program vs those that come from elsewhere?
As far as I know, this is not supported. By the time your code is executing, the command line system properties have already been munged with all of the others.
Depending on what you are really trying to accomplish, one thing to consider might be to not set them as command line system properties but instead pass them as parameters to your program so you can evaluate them and then set them as system properties in your main method before much of your other code executes.
I hope that helps.
answered Mar 28 at 15:49
Jeff Scott BrownJeff Scott Brown
16.9k1 gold badge19 silver badges33 bronze badges
It does. I did work around it as you suggest, but was still curious if it was possible. Good to know it's not.
– Trebla
Mar 28 at 18:41
add a comment
|
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1 Answer
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1 Answer
1
active
oldest
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active
oldest
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active
oldest
votes
Is it possible to differentiate between properties set on the command
line when starting the program vs those that come from elsewhere?
As far as I know, this is not supported. By the time your code is executing, the command line system properties have already been munged with all of the others.
Depending on what you are really trying to accomplish, one thing to consider might be to not set them as command line system properties but instead pass them as parameters to your program so you can evaluate them and then set them as system properties in your main method before much of your other code executes.
I hope that helps.
answered Mar 28 at 15:49
Jeff Scott BrownJeff Scott Brown
16.9k1 gold badge19 silver badges33 bronze badges
It does. I did work around it as you suggest, but was still curious if it was possible. Good to know it's not.
– Trebla
Mar 28 at 18:41
add a comment
|
Is it possible to differentiate between properties set on the command
line when starting the program vs those that come from elsewhere?
As far as I know, this is not supported. By the time your code is executing, the command line system properties have already been munged with all of the others.
Depending on what you are really trying to accomplish, one thing to consider might be to not set them as command line system properties but instead pass them as parameters to your program so you can evaluate them and then set them as system properties in your main method before much of your other code executes.
I hope that helps.
answered Mar 28 at 15:49
Jeff Scott BrownJeff Scott Brown
16.9k1 gold badge19 silver badges33 bronze badges
It does. I did work around it as you suggest, but was still curious if it was possible. Good to know it's not.
– Trebla
Mar 28 at 18:41
add a comment
|
Is it possible to differentiate between properties set on the command
line when starting the program vs those that come from elsewhere?
As far as I know, this is not supported. By the time your code is executing, the command line system properties have already been munged with all of the others.
Depending on what you are really trying to accomplish, one thing to consider might be to not set them as command line system properties but instead pass them as parameters to your program so you can evaluate them and then set them as system properties in your main method before much of your other code executes.
I hope that helps.
answered Mar 28 at 15:49
Jeff Scott BrownJeff Scott Brown
16.9k1 gold badge19 silver badges33 bronze badges
Is it possible to differentiate between properties set on the command
line when starting the program vs those that come from elsewhere?
As far as I know, this is not supported. By the time your code is executing, the command line system properties have already been munged with all of the others.
Depending on what you are really trying to accomplish, one thing to consider might be to not set them as command line system properties but instead pass them as parameters to your program so you can evaluate them and then set them as system properties in your main method before much of your other code executes.
I hope that helps.
answered Mar 28 at 15:49
Jeff Scott BrownJeff Scott Brown
16.9k1 gold badge19 silver badges33 bronze badges
answered Mar 28 at 15:49
Jeff Scott BrownJeff Scott Brown
16.9k1 gold badge19 silver badges33 bronze badges
answered Mar 28 at 15:49
Jeff Scott BrownJeff Scott Brown
16.9k1 gold badge19 silver badges33 bronze badges
answered Mar 28 at 15:49
Jeff Scott BrownJeff Scott Brown
16.9k1 gold badge19 silver badges33 bronze badges
16.9k1 gold badge19 silver badges33 bronze badges
It does. I did work around it as you suggest, but was still curious if it was possible. Good to know it's not.
– Trebla
Mar 28 at 18:41
add a comment
|
It does. I did work around it as you suggest, but was still curious if it was possible. Good to know it's not.
– Trebla
Mar 28 at 18:41
It does. I did work around it as you suggest, but was still curious if it was possible. Good to know it's not.
– Trebla
Mar 28 at 18:41
It does. I did work around it as you suggest, but was still curious if it was possible. Good to know it's not.
– Trebla
Mar 28 at 18:41
add a comment
|
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