70 lines
2.0 KiB
Java
70 lines
2.0 KiB
Java
|
// Based on the example from http://www.java2s.com/Code/Java/JDK-6/CompilingfromMemory.htm
|
||
|
|
|
||
|
|
package javaCompile;
|
||
|
|
|
||
|
|
import java.net.URI;
|
||
|
|
import java.util.Arrays;
|
||
|
|
import java.util.List;
|
||
|
|
import java.util.ArrayList;
|
||
|
|
import java.lang.String;
|
||
|
|
|
||
|
|
import javax.tools.JavaCompiler;
|
||
|
|
import javax.tools.JavaFileObject;
|
||
|
|
import javax.tools.SimpleJavaFileObject;
|
||
|
|
import javax.tools.StandardJavaFileManager;
|
||
|
|
import javax.tools.ToolProvider;
|
||
|
|
import javax.tools.JavaFileObject.Kind;
|
||
|
|
|
||
|
|
public class CompileSourceInMemory {
|
||
|
|
|
||
|
|
public static boolean CompileFromMemory(String strClass, String strCodeContent) {
|
||
|
|
String[] classNames = { strClass };
|
||
|
|
String[] codeContent = { strCodeContent };
|
||
|
|
return CompileFromMemory(classNames, codeContent, null);
|
||
|
|
}
|
||
|
|
|
||
|
|
public static boolean CompileFromMemory(String[] classNames, String[] codeContent) {
|
||
|
|
return CompileFromMemory(classNames, codeContent, null);
|
||
|
|
}
|
||
|
|
|
||
|
|
public static boolean CompileFromMemory(String[] classNames, String[] codeContent, String[] compOptions) {
|
||
|
|
|
||
|
|
List<String> compOptList = null;
|
||
|
|
if (compOptions != null) { compOptList = Arrays.asList(compOptions); }
|
||
|
|
|
||
|
|
JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
|
||
|
|
|
||
|
|
// Need to add a check that classNames.length == codeContent.length, else we're fubared.
|
||
|
|
List<JavaFileObject> files = new ArrayList<JavaFileObject> () ;
|
||
|
|
int i = 0;
|
||
|
|
for (String codePage : codeContent) {
|
||
|
|
files.add(new JavaSourceFromString(classNames[i], codePage));
|
||
|
|
i++;
|
||
|
|
}
|
||
|
|
|
||
|
|
Iterable<? extends JavaFileObject> compilationUnits = files;
|
||
|
|
|
||
|
|
JavaCompiler.CompilationTask task = compiler.getTask(null, null, null, compOptList, null, compilationUnits);
|
||
|
|
|
||
|
|
boolean success = task.call();
|
||
|
|
|
||
|
|
return success;
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
class JavaSourceFromString extends SimpleJavaFileObject {
|
||
|
|
final String code;
|
||
|
|
|
||
|
|
JavaSourceFromString(String name, String code) {
|
||
|
|
super(URI.create("string:///" + name.replace('.','/') + Kind.SOURCE.extension),Kind.SOURCE);
|
||
|
|
this.code = code;
|
||
|
|
}
|
||
|
|
|
||
|
|
@Override
|
||
|
|
public CharSequence getCharContent(boolean ignoreEncodingErrors) {
|
||
|
|
return code;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|