jaroslav@1489: /**
jaroslav@1489:  * Back 2 Browser Bytecode Translator
jaroslav@1787:  * Copyright (C) 2012-2015 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
jaroslav@1489:  *
jaroslav@1489:  * This program is free software: you can redistribute it and/or modify
jaroslav@1489:  * it under the terms of the GNU General Public License as published by
jaroslav@1489:  * the Free Software Foundation, version 2 of the License.
jaroslav@1489:  *
jaroslav@1489:  * This program is distributed in the hope that it will be useful,
jaroslav@1489:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
jaroslav@1489:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
jaroslav@1489:  * GNU General Public License for more details.
jaroslav@1489:  *
jaroslav@1489:  * You should have received a copy of the GNU General Public License
jaroslav@1489:  * along with this program. Look for COPYING file in the top folder.
jaroslav@1489:  * If not, see http://opensource.org/licenses/GPL-2.0.
jaroslav@1489:  */
jaroslav@1489: package org.apidesign.bck2brwsr.launcher;
jaroslav@1489: 
jaroslav@1489: import java.io.File;
jaroslav@1808: import java.io.FileNotFoundException;
jaroslav@1489: import java.io.IOException;
jaroslav@1489: import java.io.InputStream;
jaroslav@1489: import java.io.StringWriter;
jaroslav@1492: import java.net.JarURLConnection;
jaroslav@1489: import java.net.URISyntaxException;
jaroslav@1489: import java.net.URL;
jaroslav@1808: import java.net.URLConnection;
jaroslav@1525: import java.util.Set;
jaroslav@1505: import java.util.logging.Logger;
jaroslav@1599: import org.apidesign.bck2brwsr.aot.Bck2BrwsrJars;
jaroslav@1957: import org.apidesign.bck2brwsr.core.ExtraJavaScript;
jaroslav@1492: import org.apidesign.bck2brwsr.launcher.BaseHTTPLauncher.Res;
jaroslav@1489: import org.apidesign.vm4brwsr.Bck2Brwsr;
jaroslav@1489: 
jaroslav@1489: /**
jaroslav@1489:  *
jaroslav@1489:  * @author Jaroslav Tulach
jaroslav@1489:  */
jaroslav@1957: @ExtraJavaScript(processByteCode = false, resource="")
jaroslav@1489: class CompileCP {
jaroslav@1523:     private static final Logger LOG = Logger.getLogger(CompileCP.class.getName());
jaroslav@1599:     static String compileJAR(final File jar, Set<String> testClasses) 
jaroslav@1525:     throws IOException {
jaroslav@1489:         StringWriter w = new StringWriter();
jaroslav@1489:         try {
jaroslav@1606:             Bck2BrwsrJars.configureFrom(null, jar)
jaroslav@1606:                 .addExported(testClasses.toArray(new String[0]))
jaroslav@1606:                 .generate(w);
jaroslav@1489:             w.flush();
jaroslav@1489:             return w.toString();
jaroslav@1523:         } catch (IOException ex) {
jaroslav@1523:             throw ex;
jaroslav@1489:         } catch (Throwable ex) {
jaroslav@1489:             throw new IOException("Cannot compile: ", ex);
jaroslav@1489:         } finally {
jaroslav@1489:             w.close();
jaroslav@1489:         }
jaroslav@1489:     }
jaroslav@1489:     
jaroslav@1505:     static String compileFromClassPath(URL u, final Res r) throws IOException {
jaroslav@1505:         File f;
jaroslav@1505:         try {
jaroslav@1505:             f = new File(u.toURI());
jaroslav@1505:         } catch (URISyntaxException ex) {
jaroslav@1505:             throw new IOException(ex);
jaroslav@1505:         }
jaroslav@1614:         String s = f.isDirectory() ? f.getPath() : null;
jaroslav@1614:         
jaroslav@1614:         for (String candidate : System.getProperty("java.class.path").split(File.pathSeparator)) {
jaroslav@1614:             if (s != null) {
jaroslav@1614:                 break;
jaroslav@1489:             }
jaroslav@1614:             if (f.getPath().startsWith(candidate)) {
jaroslav@1614:                 s = candidate;
jaroslav@1614:             }
jaroslav@1614:         }
jaroslav@1614:         if (s != null) {
jaroslav@1489:             File root = new File(s);
jaroslav@1489:             StringWriter w = new StringWriter();
jaroslav@1489:             try {
jaroslav@1679:                 Bck2BrwsrJars.configureFrom(null, root)
jaroslav@1489:                     .generate(w);
jaroslav@1489:                 w.flush();
jaroslav@1489:                 return w.toString();
jaroslav@1489:             } catch (ClassFormatError ex) {
jaroslav@1489:                 throw new IOException(ex);
jaroslav@1489:             } finally {
jaroslav@1489:                 w.close();
jaroslav@1489:             }
jaroslav@1489:         }
jaroslav@1489:         return null;
jaroslav@1489:     }
jaroslav@1489:     
jaroslav@1504:     static void compileVM(StringBuilder sb, final Res r) throws IOException {
jaroslav@1599:         final Bck2Brwsr rt;
jaroslav@1599:         try {
jaroslav@1552:             URL u = r.get(InterruptedException.class.getName().replace('.', '/') + ".class", 0);
jaroslav@1806:             if (u == null) {
jaroslav@1806:                 throw new IOException("Cannot find InterruptedException class on classpath: " + System.getProperty("java.class.path"));
jaroslav@1806:             }
jaroslav@1809:             rt = configureFrom(u, null, 3);
jaroslav@1599:         } catch (URISyntaxException ex) {
jaroslav@1599:             throw new IOException(ex);
jaroslav@1552:         }
jaroslav@1942:         final Bck2Brwsr all = Bck2Brwsr.newCompiler()
jaroslav@1942:             .standalone(false)
jaroslav@1586:             //.obfuscation(ObfuscationLevel.FULL)
jaroslav@1504:             .resources(new Bck2Brwsr.Resources() {
jaroslav@1504:                 @Override
jaroslav@1504:                 public InputStream get(String resource) throws IOException {
jaroslav@1942:                     return null;
jaroslav@1504:                 }
jaroslav@1942:             });
jaroslav@1942:         all.generate(sb);
jaroslav@1492:     }
jaroslav@1809: 
jaroslav@1809:     static Bck2Brwsr configureFrom(URL u, Bck2Brwsr rt, int parents) throws IOException, URISyntaxException {
jaroslav@1809:         final URLConnection conn = u.openConnection();
jaroslav@1809:         if (conn instanceof JarURLConnection) {
jaroslav@1809:             JarURLConnection juc = (JarURLConnection)conn;
jaroslav@1809:             rt = Bck2BrwsrJars.configureFrom(null, new File(juc.getJarFileURL().toURI()));
jaroslav@1809:         } else if (u.getProtocol().equals("file")) {
jaroslav@1809:             File dir = new File(u.toURI());
jaroslav@1809:             while (parents-- > 0) {
jaroslav@1809:                 dir = dir.getParentFile();
jaroslav@1809:             }
jaroslav@1809:             rt = Bck2BrwsrJars.configureFrom(null, dir);
jaroslav@1809:         } else {
jaroslav@1809:             throw new FileNotFoundException("Not a JAR or file URL: " + u);
jaroslav@1809:         }
jaroslav@1809:         return rt;
jaroslav@1809:     }
jaroslav@1489: }