processing/java/test/processing/mode/java/UTCompiler.java at master · dzaima/processing · GitHub

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package processing.mode.java;

import java.io.File;

import java.io.FileWriter;

import java.io.IOException;

import processing.app.Platform;

import processing.app.exec.ProcessHelper;

import processing.app.exec.ProcessResult;

/**

* Utility class for compiling single compilationUnits.

* @author Jonathan Feinberg <jdf@pobox.com>

class UTCompiler {

private final String classpath;

UTCompiler(File... classpath) throws IOException {

final StringBuilder sb = new StringBuilder();

for (final File f : classpath) {

if (sb.length() > 0)

sb.append(File.pathSeparatorChar);

sb.append(f.getAbsolutePath());

}

this.classpath = sb.toString();

}

ProcessResult compile(final String name, final String program)

throws IOException {

final File tmpdir = File.createTempFile("utcompiler", ".tmp");

if (!tmpdir.delete())

throw new IOException("Cannot delete " + tmpdir);

if (!tmpdir.mkdir())

throw new IOException("Cannot create " + tmpdir);

final File javaFile = new File(tmpdir, name + ".java");

final FileWriter java = new FileWriter(javaFile);

try {

java.write(program);

} finally {

java.close();

}

try {

return new ProcessHelper("javac",

"-sourcepath", tmpdir.getAbsolutePath(),

"-cp", classpath,

"-nowarn",

"-d", tmpdir.getAbsolutePath(),

javaFile.getAbsolutePath()).execute();

} catch (InterruptedException e) {

throw new RuntimeException(e);

} finally {

for (final File f: tmpdir.listFiles())

if (!f.getName().startsWith("."))if (!f.delete())

throw new IOException("Can't delete " + f);

if (!tmpdir.delete())

throw new IOException("Can't delete " + tmpdir);

}

processing/java/test/processing/mode/java/UTCompiler.java at master · dzaima/processing · GitHub

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