A Java API for the Java compiler, available as javax.tools.JavaCompiler and related classes. (Use [javac] for questions about the command line compiler.)
Questions tagged [java-compiler-api]
181 questions
0
votes
1 answer
Javac : ignoring "should be declared in a file named..."
I'm using tools from the compiler API (javax.tools.JavaCompiler) to dynamically generated Java bytecode. I build source code and use API to compile it, then use it via reflexion.
That's perfectly fine as long as I only try te generated non-public…
PomPom
- 1,468
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0
votes
1 answer
Compile Java classes at runtime of Eclipse Plugin
I'm in a very awkward situation here.
Im developping an 'Eclipse plugin' that has to 'compile' .java files into .class files (or maybe even a jar).
I am trying to use the Java Compiler API in order to do something like this :
public class Compiler…
squelos
- 1,189
- 6
- 16
0
votes
0 answers
Set JVM heap space when I use javax.tools.JavaCompiler
I'm using the JavaCompiler APIs to compile some Java source code.
However, I'm getting OutOfMemoryError exceptions. I tried to use the -Xmx1G options, but it does not work:
java.lang.IllegalArgumentException: invalid flag: -J-Xmx1G
at…
user803437
- 13
- 2
0
votes
1 answer
CompilationTask.call() introduces ClassNotFoundException. Worked in JDK6, not in JDK7
After moving from JDK6 to JDK7, the next code fails with a ClassNotFoundException
CompilationTask task = cSysCompiler.getTask(null, cFileManager, cDiagnosticCollector, null, null, cUnitsToCompile);
boolean mSuccess = task.call();
Analyzer mAnalyzer…
Houtman
- 2,819
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0
votes
1 answer
How does namespace works in ant build file?
I'm trying to use ant-contrib and I notice sometime it is used specifying the ac: namespace and sometimes not.
When should I use the namespace and why?
Duccio Fabbri
- 998
- 1
- 10
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0
votes
2 answers
Running java program from another java program
I'm trying to run a Java program from another Java application. Here is my code:
public class Main {
public static int Exec() throws IOException {
Process p = Runtime.getRuntime().exec("javac -d C:/Users/Dinara/Desktop/D/bin "
+…
Dinara
- 523
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0
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1 answer
Compiling directories with JavaCompiler
I have the following which code which is being used to compile single files with JavaCompiler:
JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
DiagnosticCollector diagnostics = new…
Jeff Demanche
- 624
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- 25
0
votes
3 answers
Restricting Java Compiler API
I'm thinking of creating an in-game code IDE that uses a more restricted version of Java, for instance I do not want it to use the I/O stream APIs. Is this even possible?
Also, inb4 this. It still doesn't help with restricting ability, only…
user1305495
- 41
- 5
0
votes
2 answers
Dynamic Compiling Without Create Physical File
I follow the tutorial from Generating Java classes dynamically through Java compiler API, the code is work but what I see is the program will create a class file after compiling it.
import java.io.IOException;
import java.net.URI;
import…
Crazenezz
- 3,416
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- 59
-1
votes
3 answers
Get Classes from File
I have a sourcecode and in this source are two classes referenced.
Now I want to compile this code via JavaCompiler but therefore I have to first compile the two referenced classes.
Is there a better method than reading the file and search for the…
Arian
- 3,183
- 5
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- 58
-1
votes
1 answer
Project packages cannot import Java compiler API: ClassNotFoundException / NoClassDefFoundError
I use Java compiler class inside my Spring Boot application as follows:
String classStr = "\n" +
"import java.util.List;\n" +
"import java.util.Map;\n" +
"import java.util.Arrays;\n"+
"public class TestClass {\n" +…
Nilanka Manoj
- 3,527
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- 48
-2
votes
1 answer
Interpreter and Compiler
Can any one help me in figuring out what compilers and interpreters are? And what their difference is ? Appreciate it if explained for Java beginner as I am one.
Amanuel Getachew
- 105
- 3
-2
votes
2 answers
How to replace XML with Java?
I don't understand worldwide fashion to use XML for storing settings, page or GUI layouts and even bean sets.
If we take into account the fact, that XML is not a single language, but a template to define multiple languages, the mass insanity become…
Suzan Cioc
- 29,281
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-3
votes
1 answer
Online java compiler
I have server which compiles java files. How Can I prevent my server from bad java files. For instance my server shouldn't compile code which deletes all files from server.
Os: windows
Java version 1.8
C#
runner = new Process
{
…
Adizbek Ergashev
- 732
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- 17
-4
votes
2 answers
How can compile I `.java file` in jsp?
Using java compiler API I want to compile a java file in jsp. I created a html file and using its textArea element I sent its text, which is expected to be code in java entered by user, to JSP on server and after collecting it in a string I made a…
sony
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- 21