How to locate the Path of the current project directory in Java (IDE)?
I am trying to locate the path of the current running/debugged project programmatically in Java, I looked in Google and what I found was System.getProperty("user.id"), which didn't get me the project's path.
I know the command Environment.currentDirectory in C# gives the path of the current running/debugged project,so I am sure there must be a similar way in Java, too.
So I am asking if anyone could tell me or give me a code to how locate the path of the currently running/debugged project programmatically?
edit: i am writing plugin which loads with eclipse start. the plugin adds a button to the workbench of eclipse, with in the code of the plugin when i click the button i search for the current directory path.
my purpose is that when for example i debug a project and then click the button, a window will pop up presenting the debugged project's path, thanks
Solution 1:
Two ways
System.getProperty("user.dir");
or this
File currentDirFile = new File(".");
String helper = currentDirFile.getAbsolutePath();
String currentDir = helper.substring(0, helper.length() - currentDirFile.getCanonicalPath().length());//this line may need a try-catch block
The idea is to get the current folder with ".", and then fetch the absolute position to it and remove the filename from it, so from something like
/home/shark/eclipse/workspace/project/src/com/package/name/bin/Class.class
when you remove Class.class you'd get
/home/shark/eclipse/workspace/project/src/com/package/name/bin/
which is kinda what you want.
Solution 2:
Use user.dir key for get project location using java.
Code:
System.out.println("Present Project Directory : "+ System.getProperty("user.dir"));
OutPut:
Present Project Directory :C:\workspace\MyEclipse 10\examples\MySqlMavenDomain
For displaying all systems properties simply use System.getProperties();
Use Key value in System.getProperty("java.version"); for get output.
Code:
Properties properties = System.getProperties();
Enumeration<Object> enumeration = properties.keys();
for (int i = 0; i < properties.size(); i++) {
Object obj = enumeration.nextElement();
System.out.println("Key: "+obj+"\tOutPut= "+System.getProperty(obj.toString()));
}
OutPut:
Key: java.runtime.name OutPut= Java(TM) SE Runtime Environment
Key: sun.boot.library.path OutPut= C:\Program Files\Java\jdk1.7.0_45\jre\bin
Key: java.vm.version OutPut= 24.45-b08
Key: java.vm.vendor OutPut= Oracle Corporation
Key: java.vendor.url OutPut= http://java.oracle.com/
Key: path.separator OutPut= ;
Key: java.vm.name OutPut= Java HotSpot(TM) Client VM
Key: file.encoding.pkg OutPut= sun.io
Key: user.country OutPut= US
Key: user.script OutPut=
Key: sun.java.launcher OutPut= SUN_STANDARD
Key: sun.os.patch.level OutPut= Service Pack 3
Key: java.vm.specification.name OutPut= Java Virtual Machine Specification
Key: user.dir OutPut= C:\workspace\MyEclipse 10\examples\MySqlMavenDomain
Key: java.runtime.version OutPut= 1.7.0_45-b18
Key: java.awt.graphicsenv OutPut= sun.awt.Win32GraphicsEnvironment
Key: java.endorsed.dirs OutPut= C:\Program Files\Java\jdk1.7.0_45\jre\lib\endorsed
Key: os.arch OutPut= x86
Key: java.io.tmpdir OutPut= C:\DOCUME~1\UDAYP~2.PBS\LOCALS~1\Temp\
Key: line.separator OutPut=
Key: java.vm.specification.vendor OutPut= Oracle Corporation
Key: user.variant OutPut=
Key: os.name OutPut= Windows XP
Key: sun.jnu.encoding OutPut= Cp1252
Key: java.library.path OutPut= C:\Program Files\Java\jdk1.7.0_45\bin;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:/Program Files/MyEclipse/Common/binary/com.sun.java.jdk.win32.x86_1.6.0.013/jre/bin/client;C:/Program Files/MyEclipse/Common/binary/com.sun.java.jdk.win32.x86_1.6.0.013/jre/bin;C:/Program Files/MyEclipse/Common/binary/com.sun.java.jdk.win32.x86_1.6.0.013/jre/lib/i386;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\system32\WindowsPowerShell\v1.0;D:\Program Files\Microsoft SQL Server\100\Tools\Binn\VSShell\Common7\IDE\;D:\Program Files\Microsoft SQL Server\100\Tools\Binn\;D:\Program Files\Microsoft SQL Server\100\DTS\Binn\;.
Key: java.specification.name OutPut= Java Platform API Specification
Key: java.class.version OutPut= 51.0
Key: sun.management.compiler OutPut= HotSpot Client Compiler
Key: os.version OutPut= 5.1
Key: user.home OutPut= C:\Documents and Settings\uday.p.PBSYSTEMS
Key: user.timezone OutPut=
Key: java.awt.printerjob OutPut= sun.awt.windows.WPrinterJob
Key: file.encoding OutPut= UTF-8
Key: java.specification.version OutPut= 1.7
Key: java.class.path OutPut= C:\workspace\MyEclipse 10\examples\MySqlMavenDomain\target\test-classes;C:\workspace\MyEclipse 10\examples\MySqlMavenDomain\target\classes;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\jstl\jstl\1.2\jstl-1.2.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\javax\servlet\javax.servlet-api\3.1.0\javax.servlet-api-3.1.0.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\mysql\mysql-connector-java\5.1.28\mysql-connector-java-5.1.28.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\javax\mail\mail\1.4.7\mail-1.4.7.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\javax\activation\activation\1.1\activation-1.1.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\junit\junit\4.11\junit-4.11.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\org\hamcrest\hamcrest-core\1.3\hamcrest-core-1.3.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\org\hibernate\hibernate-core\4.3.0.Final\hibernate-core-4.3.0.Final.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\org\jboss\logging\jboss-logging\3.1.3.GA\jboss-logging-3.1.3.GA.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\org\jboss\logging\jboss-logging-annotations\1.2.0.Beta1\jboss-logging-annotations-1.2.0.Beta1.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\org\jboss\spec\javax\transaction\jboss-transaction-api_1.2_spec\1.0.0.Final\jboss-transaction-api_1.2_spec-1.0.0.Final.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\dom4j\dom4j\1.6.1\dom4j-1.6.1.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\xml-apis\xml-apis\1.0.b2\xml-apis-1.0.b2.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\org\hibernate\common\hibernate-commons-annotations\4.0.4.Final\hibernate-commons-annotations-4.0.4.Final.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\org\hibernate\javax\persistence\hibernate-jpa-2.1-api\1.0.0.Final\hibernate-jpa-2.1-api-1.0.0.Final.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\org\javassist\javassist\3.18.1-GA\javassist-3.18.1-GA.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\antlr\antlr\2.7.7\antlr-2.7.7.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\org\jboss\jandex\1.1.0.Final\jandex-1.1.0.Final.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\org\hibernate\hibernate-entitymanager\4.3.0.Final\hibernate-entitymanager-4.3.0.Final.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\commons-dbcp\commons-dbcp\1.4\commons-dbcp-1.4.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\commons-fileupload\commons-fileupload\1.3\commons-fileupload-1.3.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\commons-io\commons-io\2.4\commons-io-2.4.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\commons-net\commons-net\3.3\commons-net-3.3.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\commons-codec\commons-codec\1.9\commons-codec-1.9.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\commons-pool\commons-pool\1.6\commons-pool-1.6.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\commons-collections\commons-collections\3.2.1\commons-collections-3.2.1.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\commons-logging\commons-logging\1.1.3\commons-logging-1.1.3.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\commons-beanutils\commons-beanutils\1.9.0\commons-beanutils-1.9.0.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\org\apache\commons\commons-lang3\3.1\commons-lang3-3.1.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\log4j\log4j\1.2.16\log4j-1.2.16.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\org\springframework\spring-orm\3.2.6.RELEASE\spring-orm-3.2.6.RELEASE.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\aopalliance\aopalliance\1.0\aopalliance-1.0.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\org\springframework\spring-jdbc\3.2.6.RELEASE\spring-jdbc-3.2.6.RELEASE.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\org\springframework\spring-tx\3.2.6.RELEASE\spring-tx-3.2.6.RELEASE.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\org\springframework\spring-web\3.2.6.RELEASE\spring-web-3.2.6.RELEASE.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\org\springframework\spring-aop\3.2.6.RELEASE\spring-aop-3.2.6.RELEASE.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\org\springframework\spring-webmvc\3.2.6.RELEASE\spring-webmvc-3.2.6.RELEASE.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\org\springframework\spring-aspects\3.2.6.RELEASE\spring-aspects-3.2.6.RELEASE.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\org\aspectj\aspectjweaver\1.7.2\aspectjweaver-1.7.2.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\org\springframework\spring-beans\3.2.6.RELEASE\spring-beans-3.2.6.RELEASE.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\org\springframework\spring-context\3.2.6.RELEASE\spring-context-3.2.6.RELEASE.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\org\springframework\spring-context-support\3.2.6.RELEASE\spring-context-support-3.2.6.RELEASE.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\org\springframework\spring-core\3.2.6.RELEASE\spring-core-3.2.6.RELEASE.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\org\springframework\spring-expression\3.2.6.RELEASE\spring-expression-3.2.6.RELEASE.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\org\springframework\spring-instrument\3.2.6.RELEASE\spring-instrument-3.2.6.RELEASE.jar;C:\Documents and Settings\uday.p.PBSYSTEMS\.m2\repository\org\springframework\spring-instrument-tomcat\3.2.6.RELEASE\spring-instrument-tomcat-3.2.6.RELEASE.jar
Key: user.name OutPut= uday.p
Key: java.vm.specification.version OutPut= 1.7
Key: sun.java.command OutPut= com.uk.mysqlmaven.domain.test.UserLoginDetails
Key: java.home OutPut= C:\Program Files\Java\jdk1.7.0_45\jre
Key: sun.arch.data.model OutPut= 32
Key: user.language OutPut= en
Key: java.specification.vendor OutPut= Oracle Corporation
Key: awt.toolkit OutPut= sun.awt.windows.WToolkit
Key: java.vm.info OutPut= mixed mode, sharing
Key: java.version OutPut= 1.7.0_45
Key: java.ext.dirs OutPut= C:\Program Files\Java\jdk1.7.0_45\jre\lib\ext;C:\WINDOWS\Sun\Java\lib\ext
Key: sun.boot.class.path OutPut= C:\Program Files\Java\jdk1.7.0_45\jre\lib\resources.jar;C:\Program Files\Java\jdk1.7.0_45\jre\lib\rt.jar;C:\Program Files\Java\jdk1.7.0_45\jre\lib\sunrsasign.jar;C:\Program Files\Java\jdk1.7.0_45\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.7.0_45\jre\lib\jce.jar;C:\Program Files\Java\jdk1.7.0_45\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.7.0_45\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.7.0_45\jre\classes
Key: java.vendor OutPut= Oracle Corporation
Key: file.separator OutPut= \
Key: java.vendor.url.bug OutPut= http://bugreport.sun.com/bugreport/
Key: sun.io.unicode.encoding OutPut= UnicodeLittle
Key: sun.cpu.endian OutPut= little
Key: sun.desktop OutPut= windows
Key: sun.cpu.isalist OutPut= pentium_pro+mmx pentium_pro pentium+mmx pentium i486 i386 i86
For more details refer Class System
Solution 3:
This is the new way to do it:
Path root = FileSystems.getDefault().getPath("").toAbsolutePath();
Path filePath = Paths.get(root.toString(),"src", "main", "resources", fileName);
Or even better:
Path root = Paths.get(".").normalize().toAbsolutePath();
But I would take it one step further:
public Path getUsersProjectRootDirectory() {
String envRootDir = System.getProperty("user.dir");
Path rootDIr = Paths.get(".").normalize().toAbsolutePath();
if ( rootDir.startsWith(envRootDir) ) {
return rootDir;
} else {
throw new RuntimeException("Root dir not found in user directory.");
}
}