builder executor; begin loader executor

server/src/main/java/com/uqac/rthoni/java_rmi/server/executors/ClassBuilderExecutor.java

@@ -0,0 +1,53 @@
+package com.uqac.rthoni.java_rmi.server.executors;
+
+import com.uqac.rthoni.java_rmi.common.Command;
+import com.uqac.rthoni.java_rmi.server.ServerApplication;
+
+import javax.tools.JavaCompiler;
+import javax.tools.ToolProvider;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.util.List;
+import java.util.Vector;
+import java.util.stream.Collectors;
+
+/**
+ * Created by robin on 9/16/16.
+ */
+public class ClassBuilderExecutor extends AbstractCommandExecutor {
+    @Override
+    public String getCommandName() {
+        return "compilation";
+    }
+
+    @Override
+    public String run(Command command, ServerApplication server) throws Exception
+    {
+        Vector<String> files = command.getArgumentAsList(0, false);
+        String classDir = command.getArgument(1, false);
+        File classFile = new File(server.getClassDir(), classDir);
+        classFile.mkdirs();
+
+        List<String> sources = files.stream().map(f -> new File(server.getSourceDir(), f).getPath() ).collect(Collectors.toList());
+        Vector<String> arguments = new Vector<>();
+        arguments.add("-d");
+        arguments.add(classFile.getPath());
+        arguments.addAll(sources);
+
+        JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
+        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+        compiler.run(null, outputStream, outputStream, arguments.toArray(new String[arguments.size()]));
+
+// Load and instantiate compiled class.
+//        URLClassLoader classLoader = URLClassLoader.newInstance(new URL[] { root.toURI().toURL() });
+//        Class<?> cls = Class.forName("test.Test", true, classLoader); // Should print "hello".
+//        Object instance = cls.newInstance(); // Should print "world".
+//        System.out.println(instance); // Should print "test.Test@hashcode".
+
+        return new String(outputStream.toByteArray(), StandardCharsets.UTF_8);
+    }
+}

server/src/main/java/com/uqac/rthoni/java_rmi/server/executors/ClassLoaderExecutor.java

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+package com.uqac.rthoni.java_rmi.server.executors;
+
+import com.uqac.rthoni.java_rmi.common.Command;
+import com.uqac.rthoni.java_rmi.server.ServerApplication;
+
+import java.io.File;
+import java.net.URL;
+import java.net.URLClassLoader;
+
+/**
+ * Created by robin on 9/16/16.
+ */
+public class ClassLoaderExecutor extends AbstractCommandExecutor {
+    @Override
+    public String getCommandName() {
+        return "chargement";
+    }
+
+    @Override
+    public String run(Command command, ServerApplication server) throws Exception {
+        String className = command.getArgument(0, false);
+        String classDir = command.getArgument(1, false);
+
+        File root = new File(server.getClassDir(), classDir);
+        URLClassLoader classLoader = URLClassLoader.newInstance(new URL[] { root.toURI().toURL() });
+        Class<?> cls = Class.forName(className, true, classLoader); // Should print "hello".
+        Object instance = cls.newInstance(); // Should print "world".
+        System.out.println(instance); // Should print "test.Test@hashcode".
+
+        return null;
+    }
+}