# HG changeset patch
# User Jaroslav Tulach <jaroslav.tulach@apidesign.org>
# Date 1358286497 -3600
# Node ID aa69b138762439a84d58f28ebbb050a7512806de
# Parent  ccc3fd318cb1debdb8c49fcc061685df1e1340ad
Trying to compile Java source via the javax.tools.ToolProvider.getSystemJavaCompiler

diff -r ccc3fd318cb1 -r aa69b1387624 launcher/nb-configuration.xml
--- a/launcher/nb-configuration.xml	Tue Jan 15 16:56:18 2013 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,18 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project-shared-configuration>
-    <!--
-This file contains additional configuration written by modules in the NetBeans IDE.
-The configuration is intended to be shared among all the users of project and
-therefore it is assumed to be part of version control checkout.
-Without this configuration present, some functionality in the IDE may be limited or fail altogether.
--->
-    <properties xmlns="http://www.netbeans.org/ns/maven-properties-data/1">
-        <!--
-Properties that influence various parts of the IDE, especially code formatting and the like. 
-You can copy and paste the single properties, into the pom.xml file and the IDE will pick them up.
-That way multiple projects can share the same settings (useful for formatting rules for example).
-Any value defined here will override the pom.xml file value but is only applicable to the current project.
--->
-        <netbeans.compile.on.save>app</netbeans.compile.on.save>
-    </properties>
-</project-shared-configuration>
diff -r ccc3fd318cb1 -r aa69b1387624 launcher/pom.xml
--- a/launcher/pom.xml	Tue Jan 15 16:56:18 2013 +0100
+++ b/launcher/pom.xml	Tue Jan 15 22:48:17 2013 +0100
@@ -30,12 +30,6 @@
   </properties>
   <dependencies>
     <dependency>
-      <groupId>junit</groupId>
-      <artifactId>junit</artifactId>
-      <version>3.8.1</version>
-      <scope>test</scope>
-    </dependency>
-    <dependency>
       <groupId>org.glassfish.grizzly</groupId>
       <artifactId>grizzly-http-server</artifactId>
       <version>2.2.19</version>
@@ -50,5 +44,16 @@
       <artifactId>json</artifactId>
       <version>20090211</version>
     </dependency>
+    <dependency>
+      <groupId>org.testng</groupId>
+      <artifactId>testng</artifactId>
+      <scope>test</scope>
+      <exclusions>
+        <exclusion>
+          <artifactId>junit</artifactId>
+          <groupId>junit</groupId>
+        </exclusion>
+      </exclusions>
+    </dependency>
   </dependencies>
 </project>
diff -r ccc3fd318cb1 -r aa69b1387624 launcher/src/main/java/org/apidesign/bck2brwsr/dew/Compile.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/launcher/src/main/java/org/apidesign/bck2brwsr/dew/Compile.java	Tue Jan 15 22:48:17 2013 +0100
@@ -0,0 +1,163 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.apidesign.bck2brwsr.dew;
+
+import java.io.IOException;
+import java.nio.charset.Charset;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+import java.util.Set;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import javax.tools.Diagnostic;
+import javax.tools.DiagnosticListener;
+import javax.tools.FileObject;
+import javax.tools.JavaCompiler;
+import javax.tools.JavaCompiler.CompilationTask;
+import javax.tools.JavaFileManager;
+import javax.tools.JavaFileObject;
+import javax.tools.JavaFileObject.Kind;
+import javax.tools.StandardJavaFileManager;
+import javax.tools.StandardLocation;
+
+/**
+ *
+ * @author Jaroslav Tulach <jtulach@netbeans.org>
+ */
+final class Compile implements JavaFileManager, DiagnosticListener<JavaFileObject> {
+    private final JFO jfo;
+    private final String pkg;
+    private StandardJavaFileManager delegate;
+    private List<Diagnostic<? extends JavaFileObject>> errors = new ArrayList<>();
+
+    public Compile(String pkg, JFO jfo) {
+        this.pkg = pkg;
+        this.jfo = jfo;
+    }
+    
+    public static Map<String,byte[]> compile(String html, String java) throws IOException {
+        JavaCompiler jc = javax.tools.ToolProvider.getSystemJavaCompiler();
+        String pkg = findPkg(java);
+        String cls = findCls(java);
+        
+        JFO jfo = new JFO(java, pkg.replace('.', '/') + '/' + cls + ".java");
+        final Compile cmp = new Compile(pkg, jfo);
+        cmp.delegate = jc.getStandardFileManager(cmp, Locale.ENGLISH, Charset.forName("UTF-8"));
+        
+        Set<String> toCmp = Collections.singleton(pkg + '.' + cls);
+        Set<JFO> unit = Collections.singleton(jfo);
+        CompilationTask task = jc.getTask(null, cmp, cmp, null, null, unit);
+        if (task.call() != true) {
+            throw new IOException("Compilation failed: " + cmp.errors);
+        }
+        return Collections.emptyMap();
+    }
+
+    @Override
+    public ClassLoader getClassLoader(Location location) {
+        return null;//Compile.class.getClassLoader();
+    }
+
+    @Override
+    public Iterable<JavaFileObject> list(Location location, String packageName, Set<Kind> kinds, boolean recurse) throws IOException {
+        if (location == StandardLocation.PLATFORM_CLASS_PATH) {
+            return delegate.list(location, packageName, kinds, recurse);
+        }
+        if (location == StandardLocation.CLASS_PATH) {
+            return delegate.list(location, packageName, kinds, recurse);
+        }
+        if (location == StandardLocation.SOURCE_PATH) {
+            if (packageName.equals(pkg)) {
+                return Collections.<JavaFileObject>singleton(jfo);
+            }
+            return Collections.emptyList();
+        }
+        throw new UnsupportedOperationException("Loc: " + location + " pkg: " + packageName + " kinds: " + kinds + " rec: " + recurse);
+    }
+
+    @Override
+    public String inferBinaryName(Location location, JavaFileObject file) {
+        if (file == jfo) {
+            return pkg + "." + file.getName();
+        }
+        return delegate.inferBinaryName(location, file);
+    }
+
+    @Override
+    public boolean isSameFile(FileObject a, FileObject b) {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public boolean handleOption(String current, Iterator<String> remaining) {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public boolean hasLocation(Location location) {
+        return true;
+    }
+
+    @Override
+    public JavaFileObject getJavaFileForInput(Location location, String className, Kind kind) throws IOException {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public JavaFileObject getJavaFileForOutput(Location location, String className, Kind kind, FileObject sibling) throws IOException {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public FileObject getFileForInput(Location location, String packageName, String relativeName) throws IOException {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public FileObject getFileForOutput(Location location, String packageName, String relativeName, FileObject sibling) throws IOException {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public void flush() throws IOException {
+    }
+
+    @Override
+    public void close() throws IOException {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public int isSupportedOption(String option) {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
+        errors.add(diagnostic);
+    }
+    private static String findPkg(String java) throws IOException {
+        Pattern p = Pattern.compile("package\\p{javaWhitespace}*([\\p{Alnum}\\.]+)\\p{javaWhitespace}*;", Pattern.MULTILINE);
+        Matcher m = p.matcher(java);
+        if (!m.find()) {
+            throw new IOException("Can't find package declaration in the java file");
+        }
+        String pkg = m.group(1);
+        return pkg;
+    }
+    private static String findCls(String java) throws IOException {
+        Pattern p = Pattern.compile("class\\p{javaWhitespace}*([\\p{Alnum}\\.]+)\\p{javaWhitespace}", Pattern.MULTILINE);
+        Matcher m = p.matcher(java);
+        if (!m.find()) {
+            throw new IOException("Can't find package declaration in the java file");
+        }
+        String cls = m.group(1);
+        return cls;
+    }
+}
diff -r ccc3fd318cb1 -r aa69b1387624 launcher/src/main/java/org/apidesign/bck2brwsr/dew/Dew.java
--- a/launcher/src/main/java/org/apidesign/bck2brwsr/dew/Dew.java	Tue Jan 15 16:56:18 2013 +0100
+++ b/launcher/src/main/java/org/apidesign/bck2brwsr/dew/Dew.java	Tue Jan 15 22:48:17 2013 +0100
@@ -24,7 +24,8 @@
  * @author phrebejk
  */
 public class Dew extends HttpHandler {
-    private static String html = "Nazdar!";
+    private String html = "Nazdar!";
+    private String java = "class C {\n}\n";
 
     @Override
     public void service(Request request, Response response) throws Exception {
@@ -34,7 +35,9 @@
             JSONTokener tok = new JSONTokener(new InputStreamReader(is));
             JSONObject obj = new JSONObject(tok);
             html = obj.getString("html");
+            java = obj.getString("java");
             LOG.info(html);
+            LOG.info(java);
             
             response.getOutputStream().write("[]".getBytes());
             response.setStatus(HttpStatus.OK_200);
diff -r ccc3fd318cb1 -r aa69b1387624 launcher/src/main/java/org/apidesign/bck2brwsr/dew/JFO.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/launcher/src/main/java/org/apidesign/bck2brwsr/dew/JFO.java	Tue Jan 15 22:48:17 2013 +0100
@@ -0,0 +1,96 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.apidesign.bck2brwsr.dew;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.Reader;
+import java.io.StringReader;
+import java.io.Writer;
+import java.net.URI;
+import javax.lang.model.element.Modifier;
+import javax.lang.model.element.NestingKind;
+import javax.tools.JavaFileObject;
+
+/**
+ *
+ * @author Jaroslav Tulach <jtulach@netbeans.org>
+ */
+final class JFO implements JavaFileObject {
+    private final String text;
+    private final String name;
+
+    public JFO(String text, String name) {
+        this.text = text;
+        this.name = name;
+    }
+
+    @Override
+    public Kind getKind() {
+        return Kind.SOURCE;
+    }
+
+    @Override
+    public boolean isNameCompatible(String simpleName, Kind kind) {
+        return false;
+    }
+
+    @Override
+    public NestingKind getNestingKind() {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public Modifier getAccessLevel() {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public URI toUri() {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public String getName() {
+        return name;
+    }
+
+    @Override
+    public InputStream openInputStream() throws IOException {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public OutputStream openOutputStream() throws IOException {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public Reader openReader(boolean ignoreEncodingErrors) throws IOException {
+        return new StringReader(text);
+    }
+
+    @Override
+    public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
+        return text;
+    }
+
+    @Override
+    public Writer openWriter() throws IOException {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public long getLastModified() {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+
+    @Override
+    public boolean delete() {
+        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    }
+    
+}
diff -r ccc3fd318cb1 -r aa69b1387624 launcher/src/test/java/org/apidesign/bck2brwsr/dew/CompileTest.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/launcher/src/test/java/org/apidesign/bck2brwsr/dew/CompileTest.java	Tue Jan 15 22:48:17 2013 +0100
@@ -0,0 +1,28 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.apidesign.bck2brwsr.dew;
+
+import java.io.IOException;
+import java.util.Map;
+import static org.testng.Assert.*;
+import org.testng.annotations.Test;
+
+/**
+ *
+ * @author Jaroslav Tulach <jtulach@netbeans.org>
+ */
+public class CompileTest  {
+    @Test public void testCompile() throws IOException {
+        String html = "<html><body>"
+                + " <button id='btn'>Hello!</button>"
+                + "</body></html>";
+        String java = "package x.y.z;"
+                + "class X {"
+                + "}";
+        Map<String,byte[]> result = Compile.compile(html, java);
+
+        assertNotNull(result.get("x/y/z/X.class"), "Class X is compiled: " + result);
+    }
+}