public static void compileJavaFiles(
@NotNull Collection<File> files, List<String> options, @Nullable File javaErrorFile)
throws IOException {
JavaCompiler javaCompiler = ToolProvider.getSystemJavaCompiler();
DiagnosticCollector<JavaFileObject> diagnosticCollector =
new DiagnosticCollector<JavaFileObject>();
StandardJavaFileManager fileManager =
javaCompiler.getStandardFileManager(
diagnosticCollector, Locale.ENGLISH, Charset.forName("utf-8"));
try {
Iterable<? extends JavaFileObject> javaFileObjectsFromFiles =
fileManager.getJavaFileObjectsFromFiles(files);
JavaCompiler.CompilationTask task =
javaCompiler.getTask(
new StringWriter(), // do not write to System.err
fileManager,
diagnosticCollector,
options,
null,
javaFileObjectsFromFiles);
Boolean success = task.call(); // do NOT inline this variable, call() should complete before
// errorsToString()
if (javaErrorFile == null || !javaErrorFile.exists()) {
Assert.assertTrue(errorsToString(diagnosticCollector, true), success);
} else {
assertEqualsToFile(javaErrorFile, errorsToString(diagnosticCollector, false));
}
} finally {
fileManager.close();
}
}
private void compile(final File f) throws IOException {
// set up compiler
final JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
final DiagnosticCollector<JavaFileObject> diagnostics =
new DiagnosticCollector<JavaFileObject>();
final StandardJavaFileManager fileManager =
compiler.getStandardFileManager(diagnostics, null, null);
final Iterable<? extends JavaFileObject> compilationUnits =
fileManager.getJavaFileObjectsFromFiles(Arrays.asList(f));
// compile generated source
// (switch off annotation processing: no need to create Log4j2Plugins.dat)
final List<String> options = Arrays.asList("-proc:none");
compiler.getTask(null, fileManager, diagnostics, options, null, compilationUnits).call();
// check we don't have any compilation errors
final List<String> errors = new ArrayList<String>();
for (final Diagnostic<? extends JavaFileObject> diagnostic : diagnostics.getDiagnostics()) {
if (diagnostic.getKind() == Diagnostic.Kind.ERROR) {
errors.add(
String.format("Compile error: %s%n", diagnostic.getMessage(Locale.getDefault())));
}
}
fileManager.close();
assertTrue(errors.toString(), errors.isEmpty());
}
/**
* Compiles the input file and generates the output class file.
*
* @param fullFilePath input .java file path.
* @return class file path.
*/
public static String compileFile(File fullFilePath) throws IOException {
Preconditions.checkArgument(fullFilePath != null && fullFilePath.isFile());
JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
Preconditions.checkNotNull(compiler);
DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<JavaFileObject>();
StandardJavaFileManager fileManager = compiler.getStandardFileManager(diagnostics, null, null);
Iterable<? extends JavaFileObject> compilationUnit =
fileManager.getJavaFileObjectsFromFiles(Arrays.asList(fullFilePath));
List<String> args = Arrays.asList("-Xlint:none");
boolean result =
compiler.getTask(null, fileManager, diagnostics, args, null, compilationUnit).call();
String msg = "";
if (!result) {
for (Diagnostic diagnostic : diagnostics.getDiagnostics()) {
msg +=
String.format(
"Error on line %d in %s%n",
diagnostic.getLineNumber(), diagnostic.getMessage(null));
}
tracer.err(msg);
}
fileManager.close();
return msg;
}
public static void main(String[] args) throws Exception {
String rt = "\r\n";
String src =
"package com.bjsxt.proxy;"
+ rt
+ "public class TankTimeProxy implements Moveable {"
+ rt
+ " public TankTimeProxy(Moveable t) {"
+ rt
+ " super();"
+ rt
+ " this.t = t;"
+ rt
+ " }"
+ rt
+ " Moveable t;"
+ rt
+ " @Override"
+ rt
+ " public void move() {"
+ rt
+ " long start = System.currentTimeMillis();"
+ rt
+ " System.out.println(\"starttime:\" + start);"
+ rt
+ " t.move();"
+ rt
+ " long end = System.currentTimeMillis();"
+ rt
+ " System.out.println(\"time:\" + (end-start));"
+ rt
+ " }"
+ rt
+ "}";
String fileName = System.getProperty("user.dir") + "/src/com/bjsxt/proxy/TankTimeProxy.java";
File f = new File(fileName);
FileWriter fw = new FileWriter(f);
fw.write(src);
fw.flush();
fw.close();
// compile
JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
StandardJavaFileManager fileMgr = compiler.getStandardFileManager(null, null, null);
Iterable units = fileMgr.getJavaFileObjects(fileName);
CompilationTask t = compiler.getTask(null, fileMgr, null, null, null, units);
t.call();
fileMgr.close();
// load into memory and create an instance
URL[] urls = new URL[] {new URL("file:/" + System.getProperty("user.dir") + "/src")};
URLClassLoader ul = new URLClassLoader(urls);
Class c = ul.loadClass("com.bjsxt.proxy.TankTimeProxy");
System.out.println(c);
Constructor ctr = c.getConstructor(Moveable.class);
Moveable m = (Moveable) ctr.newInstance(new Tank());
m.move();
}
public static boolean compileFiles(List<String> sourceFiles) throws IOException {
JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
StandardJavaFileManager fileManager = compiler.getStandardFileManager(null, null, null);
Iterable<? extends JavaFileObject> compilationUnits =
fileManager.getJavaFileObjectsFromStrings(sourceFiles);
JavaCompiler.CompilationTask task =
compiler.getTask(null, fileManager, null, null, null, compilationUnits);
boolean success = task.call();
fileManager.close();
return success;
}
/**
* Compiles the source code using the systems java compiler
*
* @param source
* @return true -> compiling worked flawlessly
*/
private static String compile(JavaFileObject... source) {
final ArrayList<String> options = new ArrayList<String>();
if (classpath != null) {
options.add("-classpath");
options.add(System.getProperty("java.class.path") + classpath);
}
if (outputdir != null) {
options.add("-d");
options.add(outputdir);
}
DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<JavaFileObject>();
/**
* Retrieving the standard file manager from compiler object, which is used to provide basic
* building block for customizing how a compiler reads and writes to files.
*
* <p>The same file manager can be reopened for another compiler task. Thus we reduce the
* overhead of scanning through file system and jar files each time
*/
StandardJavaFileManager stdFileManager =
compiler.getStandardFileManager(null, Locale.getDefault(), null);
final JavaCompiler.CompilationTask task =
compiler.getTask(null, stdFileManager, diagnostics, options, null, Arrays.asList(source));
boolean result = task.call();
String error = null;
if (!result) {
error = "Compilation failed, see log for details";
for (@SuppressWarnings("rawtypes") Diagnostic diagnostic : diagnostics.getDiagnostics()) {
Logger.getInstance()
.log(
"de.~.vm.Javac.compile(JavaFileObject...)",
Logger.DEBUG,
"Error on line %d in %s" + diagnostic.getLineNumber() + diagnostic);
}
}
try {
stdFileManager.close();
} catch (IOException e) {
e.printStackTrace();
}
return error;
}
@NotNull
public static NamespaceDescriptor compileJava(
@NotNull Collection<File> javaFiles, File tmpdir, Disposable disposable) throws IOException {
JavaCompiler javaCompiler = ToolProvider.getSystemJavaCompiler();
StandardJavaFileManager fileManager =
javaCompiler.getStandardFileManager(null, Locale.ENGLISH, Charset.forName("utf-8"));
try {
Iterable<? extends JavaFileObject> javaFileObjectsFromFiles =
fileManager.getJavaFileObjectsFromFiles(javaFiles);
List<String> options =
Arrays.asList(
"-classpath",
"out/production/runtime"
+ File.pathSeparator
+ JetTestUtils.getAnnotationsJar().getPath(),
"-d",
tmpdir.getPath());
JavaCompiler.CompilationTask task =
javaCompiler.getTask(null, fileManager, null, options, null, javaFileObjectsFromFiles);
Assert.assertTrue(task.call());
} finally {
fileManager.close();
}
JetCoreEnvironment jetCoreEnvironment =
new JetCoreEnvironment(
disposable,
CompileCompilerDependenciesTest.compilerConfigurationForTests(
ConfigurationKind.JDK_ONLY,
TestJdkKind.MOCK_JDK,
JetTestUtils.getAnnotationsJar(),
tmpdir,
new File("out/production/runtime")));
InjectorForJavaSemanticServices injector =
new InjectorForJavaSemanticServices(
BuiltinsScopeExtensionMode.ALL, jetCoreEnvironment.getProject());
JavaDescriptorResolver javaDescriptorResolver = injector.getJavaDescriptorResolver();
return javaDescriptorResolver.resolveNamespace(
FqName.topLevel(Name.identifier("test")), DescriptorSearchRule.ERROR_IF_FOUND_IN_KOTLIN);
}
@Override
public Class<?> compile(URLClassLoader loader, String name, String src) throws Exception {
log.info("External compiler");
File classDir = new File(System.getProperty("oms.prj") + File.separatorChar + "dist");
File srcDir = new File(System.getProperty("java.io.tmpdir"));
File javaFile = new File(srcDir, name + ".java");
write(javaFile, src);
StandardJavaFileManager fm = jc.getStandardFileManager(null, null, null);
Iterable fileObjects = fm.getJavaFileObjects(javaFile);
String[] options = new String[] {"-d", classDir.toString()};
jc.getTask(null, null, null, Arrays.asList(options), null, fileObjects).call();
fm.close();
return loader.loadClass(name);
}
private void compile() {
try {
console.setText("Compiling...");
console.update(console.getGraphics());
File compileDir = new File(".");
// Util.saveToFile(codeEditor.getText(), "./CustomProtocol.java");
Util.saveToFile(codeEditor.getText(), "./" + this.protocolClass + ".java"); // by urueda
JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
if (compiler == null) {
throw new RuntimeException("JDK required (running inside of JRE)");
}
DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<JavaFileObject>();
StandardJavaFileManager fileManager =
compiler.getStandardFileManager(diagnostics, null, null);
try {
Iterable<? extends JavaFileObject> compilationUnits =
fileManager.getJavaFileObjectsFromFiles(Util.getAllFiles(compileDir, ".java"));
ArrayList<String> options = new ArrayList<String>();
// options.add("-classpath \"" + System.getProperty("java.class.path") + "\\\"");
options.add("-classpath");
options.add(System.getProperty("java.class.path") + ";./monkey.jar");
// for(String cp : System.getProperty("java.class.path").split(";")){
// if(new File(cp).isDirectory())
// cp = cp + "\\";
// options.add(cp);
// }
JavaCompiler.CompilationTask task =
compiler.getTask(null, fileManager, diagnostics, options, null, compilationUnits);
if (!task.call()) {
throw new RuntimeException("compile errors" + diagnostics.getDiagnostics().toString());
}
} finally {
fileManager.close();
}
console.setText(console.getText() + "OK");
} catch (Throwable t) {
console.setText(console.getText() + "\n" + t.getMessage());
}
}
private static void compileAbilities(File javaDir, File classDir) {
if (!javaDir.exists()) return;
// Make ready a new list of files to compile.
List<File> toCompile = getSourceFilesToCompile(javaDir, classDir);
// No files to compile?
if (toCompile.isEmpty()) {
return;
}
// Notify the console.
Messenger.info("Compiling abilities: " + fileListToString(toCompile));
// Get the compiler
JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
StandardJavaFileManager fileManager = compiler.getStandardFileManager(null, null, null);
// Generate some JavaFileObjects
try {
Iterable<? extends JavaFileObject> compilationUnits =
fileManager.getJavaFileObjectsFromFiles(toCompile);
// Include the MobArena.jar on the classpath, and set the destination folder.
List<String> options = Arrays.asList("-classpath", classpath, "-d", classDir.getPath());
// Set up the compilation task.
JavaCompiler.CompilationTask task =
compiler.getTask(null, fileManager, null, options, null, compilationUnits);
// Call the task.
task.call();
// And close the file manager.
fileManager.close();
} catch (Exception e) {
Messenger.severe("Compilation step failed...");
e.printStackTrace();
}
}
public static void main(String[] args) {
JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
StandardJavaFileManager fileManager = compiler.getStandardFileManager(null, null, null);
// 生成java文件
generateJavaClass();
try {
// 设置编译路径和文件输出路径
String cp = ReportConstants.CONTEXT_REAL_PATH + "/classes/";
List<String> list = new ArrayList<String>();
list.add("-d");
list.add(cp);
list.add("-cp");
list.add(cp);
Iterable sourcefiles = fileManager.getJavaFileObjects(JAVA_SOURCE_FILE);
compiler.getTask(null, fileManager, null, list, null, sourcefiles).call();
fileManager.close();
// 创建动态编译得到的DynamicObject类的实例
Class.forName(JAVA_CLASS_NAME).newInstance();
} catch (Exception ex) {
ex.printStackTrace();
}
}
public static void main(String[] args) throws Exception {
// create the source
File sourceFile = new File("/root/workspace/SensorMiddleware/src/Hello.java");
FileWriter writer = new FileWriter(sourceFile);
writer.write(
"public class Hello{ \n"
+ " public void doit() { \n"
+ " System.out.println(\"Hello world\") ;\n"
+ " }\n"
+ "}");
writer.close();
JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
StandardJavaFileManager fileManager = compiler.getStandardFileManager(null, null, null);
fileManager.setLocation(
StandardLocation.CLASS_OUTPUT,
Arrays.asList(new File("/root/workspace/SensorMiddleware/build/classes")));
// Compile the file
compiler
.getTask(
null,
fileManager,
null,
null,
null,
fileManager.getJavaFileObjectsFromFiles(Arrays.asList(sourceFile)))
.call();
fileManager.close();
// delete the source file
// sourceFile.deleteOnExit();
runIt();
}
/**
* @param infce 被代理类的接口
* @param h 代理类
* @return
* @throws Exception
*/
public static Object newProxyInstance(Class infce, InvocationHandler h) throws Exception {
String methodStr = "";
String rt = "\r\n";
// 利用反射得到infce的所有方法，并重新组装
Method[] methods = infce.getMethods();
for (Method m : methods) {
methodStr +=
" @Override"
+ rt
+ " public "
+ m.getReturnType()
+ " "
+ m.getName()
+ "() {"
+ rt
+ " try {"
+ rt
+ " Method md = "
+ infce.getName()
+ ".class.getMethod(\""
+ m.getName()
+ "\");"
+ rt
+ " h.invoke(this, md);"
+ rt
+ " }catch(Exception e) {e.printStackTrace();}"
+ rt
+ " }"
+ rt;
}
// 生成Java源文件
String srcCode =
"package proxy;"
+ rt
+ "import java.lang.reflect.Method;"
+ rt
+ "public class $Proxy1 implements "
+ infce.getName()
+ "{"
+ rt
+ " public $Proxy1(InvocationHandler h) {"
+ rt
+ " this.h = h;"
+ rt
+ " }"
+ rt
+ " InvocationHandler h;"
+ rt
+ methodStr
+ rt
+ "}";
String fileName = "$Proxy1.java";
File f = new File(fileName);
FileWriter fw = new FileWriter(f);
fw.write(srcCode);
fw.flush();
fw.close();
// 将Java文件编译成class文件
JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
StandardJavaFileManager fileMgr = compiler.getStandardFileManager(null, null, null);
Iterable units = fileMgr.getJavaFileObjects(fileName);
JavaCompiler.CompilationTask t = compiler.getTask(null, fileMgr, null, null, null, units);
t.call();
fileMgr.close();
// 加载到内存，并实例化
URL[] urls = new URL[] {new URL("./")};
URLClassLoader ul = new URLClassLoader(urls);
Class c = ul.loadClass("$Proxy1");
Constructor ctr = c.getConstructor(InvocationHandler.class);
Object m = ctr.newInstance(h);
return m;
}
/**
* Wow! much faster than compiling outside of VM. Finicky though. Had rules called r and modulo.
* Wouldn't compile til I changed to 'a'.
*/
protected boolean compile(String fileName) {
String classpathOption = "-classpath";
String[] args =
new String[] {
"javac",
"-d",
tmpdir,
classpathOption,
tmpdir + pathSep + CLASSPATH,
tmpdir + "/" + fileName
};
String cmdLine =
"javac"
+ " -d "
+ tmpdir
+ " "
+ classpathOption
+ " "
+ tmpdir
+ pathSep
+ CLASSPATH
+ " "
+ fileName;
// System.out.println("compile: "+cmdLine);
File f = new File(tmpdir, fileName);
JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
// DiagnosticCollector<JavaFileObject> diagnostics =
// new DiagnosticCollector<JavaFileObject>();
StandardJavaFileManager fileManager = compiler.getStandardFileManager(null, null, null);
Iterable<? extends JavaFileObject> compilationUnits =
fileManager.getJavaFileObjectsFromFiles(Arrays.asList(f));
Iterable<String> compileOptions =
Arrays.asList(new String[] {"-d", tmpdir, "-cp", tmpdir + pathSep + CLASSPATH});
JavaCompiler.CompilationTask task =
compiler.getTask(null, fileManager, null, compileOptions, null, compilationUnits);
boolean ok = task.call();
try {
fileManager.close();
} catch (IOException ioe) {
ioe.printStackTrace(System.err);
}
// List<String> errors = new ArrayList<String>();
// for (Diagnostic diagnostic : diagnostics.getDiagnostics()) {
// errors.add(
// String.valueOf(diagnostic.getLineNumber())+
// ": " + diagnostic.getMessage(null));
// }
// if ( errors.size()>0 ) {
// System.err.println("compile stderr from: "+cmdLine);
// System.err.println(errors);
// return false;
// }
return ok;
/*
File outputDir = new File(tmpdir);
try {
Process process =
Runtime.getRuntime().exec(args, null, outputDir);
StreamVacuum stdout = new StreamVacuum(process.getInputStream());
StreamVacuum stderr = new StreamVacuum(process.getErrorStream());
stdout.start();
stderr.start();
process.waitFor();
stdout.join();
stderr.join();
if ( stdout.toString().length()>0 ) {
System.err.println("compile stdout from: "+cmdLine);
System.err.println(stdout);
}
if ( stderr.toString().length()>0 ) {
System.err.println("compile stderr from: "+cmdLine);
System.err.println(stderr);
}
int ret = process.exitValue();
return ret==0;
}
catch (Exception e) {
System.err.println("can't exec compilation");
e.printStackTrace(System.err);
return false;
}
*/
}
public void close() throws IOException {
standardJavaFileManager.close();
}
void run() throws Exception {
javadoc = ToolProvider.getSystemDocumentationTool();
fm = javadoc.getStandardFileManager(null, null, null);
try {
fm.setLocation(StandardLocation.CLASS_OUTPUT, Arrays.asList(new File(".")));
fm.setLocation(StandardLocation.CLASS_PATH, Collections.<File>emptyList());
files = Arrays.asList(new TestJFO("Test.java", code));
test(
Collections.<String>emptyList(),
Main.Result.ERROR,
EnumSet.of(Message.DL_ERR9A, Message.DL_WRN12A));
test(
Arrays.asList(rawDiags),
Main.Result.ERROR,
EnumSet.of(Message.DL_ERR9, Message.DL_WRN12));
// test(Arrays.asList("-Xdoclint:none"),
// Main.Result.OK,
// EnumSet.of(Message.JD_WRN10, Message.JD_WRN13));
test(
Arrays.asList(rawDiags, "-Xdoclint"),
Main.Result.ERROR,
EnumSet.of(Message.DL_ERR9, Message.DL_WRN12));
test(
Arrays.asList(rawDiags, "-Xdoclint:all/public"),
Main.Result.ERROR,
EnumSet.of(Message.OPT_BADQUAL));
test(
Arrays.asList(rawDiags, "-Xdoclint:all", "-public"),
Main.Result.OK,
EnumSet.of(Message.DL_WRN12));
test(
Arrays.asList(rawDiags, "-Xdoclint:syntax"),
Main.Result.OK,
EnumSet.of(Message.DL_WRN12));
test(
Arrays.asList(rawDiags, "-private"),
Main.Result.ERROR,
EnumSet.of(Message.DL_ERR6, Message.DL_ERR9, Message.DL_WRN12));
test(
Arrays.asList(rawDiags, "-Xdoclint:syntax", "-private"),
Main.Result.ERROR,
EnumSet.of(Message.DL_ERR6, Message.DL_WRN12));
test(
Arrays.asList(rawDiags, "-Xdoclint:reference"),
Main.Result.ERROR,
EnumSet.of(Message.DL_ERR9));
test(
Arrays.asList(rawDiags, "-Xdoclint:badarg"),
Main.Result.ERROR,
EnumSet.of(Message.OPT_BADARG));
files =
Arrays.asList(
new TestJFO("p1/P1Test.java", p1Code), new TestJFO("p2/P2Test.java", p2Code));
test(
Arrays.asList(rawDiags),
Main.Result.ERROR,
EnumSet.of(Message.DL_ERR_P1TEST, Message.DL_ERR_P2TEST));
test(
Arrays.asList(rawDiags, "-Xdoclint/package:p1"),
Main.Result.ERROR,
EnumSet.of(Message.DL_ERR_P1TEST));
test(
Arrays.asList(rawDiags, "-Xdoclint/package:*p"),
Main.Result.ERROR,
EnumSet.of(Message.OPT_BADPACKAGEARG));
if (errors > 0) throw new Exception(errors + " errors occurred");
} finally {
fm.close();
}
}
public static void main(String[] args) throws Throwable {
StringBuilder sb = new StringBuilder(64);
sb.append("package tools.test.compile;\n");
sb.append("public class HelloWorld implements tools.test.InlineCompiler.DoStuff {\n");
sb.append(" public void doStuff() {\n");
sb.append(
" System.out.println(\"print:\" + tools.Convert.toString(\"Hello world\"));\n");
sb.append(" }\n");
sb.append("}\n");
File helloWorldJava =
new File("./tools/test/compile/HelloWorld.java"); // 注意这里的路径，和包名对应 2014-11-21 by 六三
if (helloWorldJava.getParentFile().exists() || helloWorldJava.getParentFile().mkdirs()) {
// 写文件
Writer writer = null;
try {
writer = new FileWriter(helloWorldJava);
writer.write(sb.toString());
writer.flush();
} finally {
try {
writer.close();
} catch (Exception e) {;
}
}
}
/**
* Compilation Requirements
* ********************************************************************************************
*/
DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<JavaFileObject>();
JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
StandardJavaFileManager fileManager = compiler.getStandardFileManager(diagnostics, null, null);
// This sets up the class path that the compiler will use.
// I've added the .jar file that contains the DoStuff interface within in it...
List<String> optionList = new ArrayList<String>();
optionList.add("-classpath");
optionList.add(System.getProperty("java.class.path") + ";");
Iterable<? extends JavaFileObject> compilationUnit =
fileManager.getJavaFileObjectsFromFiles(Arrays.asList(helloWorldJava));
JavaCompiler.CompilationTask task =
compiler.getTask(null, fileManager, diagnostics, optionList, null, compilationUnit);
/** Compilation Requirements * */
if (task.call()) {
/** Load and execute * */
System.out.println("Yipe");
// Create a new custom class loader, pointing to the directory that contains the compiled
// classes, this should point to the top of the package structure!
URLClassLoader classLoader = new URLClassLoader(new URL[] {new File("./").toURI().toURL()});
// Load the class from the classloader by name....
Class<?> loadedClass = classLoader.loadClass("tools.test.compile.HelloWorld");
// Create a new instance...
Object obj = loadedClass.newInstance();
// Santity check
if (obj instanceof DoStuff) {
// Cast to the DoStuff interface
DoStuff stuffToDo = (DoStuff) obj;
// Run it baby
stuffToDo.doStuff();
}
/** Load and execute * */
} else {
for (Diagnostic<? extends JavaFileObject> diagnostic : diagnostics.getDiagnostics()) {
System.out.format(
"Error on line %d in %s%n", diagnostic.getLineNumber(), diagnostic.getSource().toUri());
}
}
fileManager.close();
}
/**
* Compile the given files.
*
* @param files Source files to compile.
* @param classPath Support jars or directories that should be on the classpath. If @code{null},
* the default is used.
* @param sourcePath Location of additional sources to be compiled on-demand. If @code{null}, the
* default is used.
* @param destination Location (directory) for compiled classes. If @code{null}, the default
* in-place location is used.
* @param bootClassPath The bootclasspath (contains Java API jars or directories); should be
* consistent with @code{sourceVersion} If @code{null}, the default is used.
* @param sourceVersion The language version of the sources. Should be consistent
* with @code{bootClassPath}. If @code{null}, the default is used.
* @param showWarnings Whether compiler warnings should be shown or ignored.
* @return Errors that occurred. If no errors, should be zero length (not null).
*/
public List<? extends DJError> compile(
List<? extends File> files,
List<? extends File> classPath,
List<? extends File> sourcePath,
File destination,
List<? extends File> bootClassPath,
String sourceVersion,
boolean showWarnings) {
debug.logStart("compile()");
debug.logValues(
new String[] {
"this",
"files",
"classPath",
"sourcePath",
"destination",
"bootClassPath",
"sourceVersion",
"showWarnings"
},
this,
files,
classPath,
sourcePath,
destination,
bootClassPath,
sourceVersion,
showWarnings);
Iterable<String> options =
_createOptions(
classPath, sourcePath, destination, bootClassPath, sourceVersion, showWarnings);
LinkedList<DJError> errors = new LinkedList<DJError>();
// This is the class that javax.tools.ToolProvider.getSystemJavaCompiler() uses.
// We create an instance of that class directly, bypassing ToolProvider, because ToolProvider
// returns null
// if DrJava is started with just the JRE, instead of with the JDK, even if tools.jar is later
// made available
// to the class loader.
JavaCompiler compiler = null;
try {
compiler = (JavaCompiler) (Class.forName("com.sun.tools.javac.api.JavacTool").newInstance());
} catch (ClassNotFoundException e) {
errors.addFirst(new DJError("Compile exception: " + e, false));
error.log(e);
return errors;
} catch (InstantiationException e) {
errors.addFirst(new DJError("Compile exception: " + e, false));
error.log(e);
return errors;
} catch (IllegalAccessException e) {
errors.addFirst(new DJError("Compile exception: " + e, false));
error.log(e);
return errors;
}
/** Default FileManager provided by Context class */
DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<JavaFileObject>();
StandardJavaFileManager fileManager = compiler.getStandardFileManager(diagnostics, null, null);
Iterable<? extends JavaFileObject> fileObjects = fileManager.getJavaFileObjectsFromFiles(files);
try {
System.err.println("Calling '" + compiler + "' with options " + options);
compiler.getTask(null, fileManager, diagnostics, options, null, fileObjects).call();
for (Diagnostic<? extends JavaFileObject> d : diagnostics.getDiagnostics()) {
Diagnostic.Kind dt = d.getKind();
boolean isWarning = false; // init required by javac
switch (dt) {
case OTHER:
continue; // skip, do not record
case NOTE:
continue; // skip, do not record
case MANDATORY_WARNING:
isWarning = true;
break;
case WARNING:
isWarning = true;
break;
case ERROR:
isWarning = false;
break;
}
/* The new Java 6.0 Diagnostic interface appears to be broken. The expression d.getSource().getName() returns a
* non-existent path--the name of the test file (allocated as a TEMP file) appended to the source root for
* DrJava--in GlobalModelCompileErrorsTest.testCompileFailsCorrectLineNumbers(). The expression
* d.getSource().toUri().getPath() returns the correct result as does ((JCDiagnostic) d).getSourceName(). */
if (d.getSource() != null) {
errors.add(
new DJError(
new File(d.getSource().toUri().getPath()), // d.getSource().getName() fails!
((int) d.getLineNumber()) - 1, // javac starts counting at 1
((int) d.getColumnNumber()) - 1,
d.getMessage(null), // null is the locale
isWarning));
} else {
errors.add(new DJError(d.getMessage(null), isWarning));
}
}
fileManager.close();
} catch (Throwable t) { // compiler threw an exception/error (typically out of memory error)
errors.addFirst(new DJError("Compile exception: " + t, false));
error.log(t);
}
debug.logEnd("compile()");
return errors;
}
public static void compile(
String fileLocation,
String code,
String outputLocation,
final PrintStream stream,
ArrayList<CompilerListener> compilerListeners) {
if (!CONFIG_DATA.containsKey("jdk.location")
|| !(new File(CONFIG_DATA.get("jdk.location")).isDirectory())) {
FileBrowseDialog jdkSearch =
new FileBrowseDialog(
"Specify your JDK location.", "Location:", FileBrowseDialog.DIRECTORY);
String jdkLoc = jdkSearch.open();
if (jdkLoc != null) {
String location = FileUtils.removeEndingSlashes(jdkLoc.replace('\\', '/'));
ArrowIDE.setConfigDataValue("jdk.location", location);
} else {
stream.println("You must specify a valid jdk to compile this program.");
return;
}
}
String fileName = FileUtils.getFileNameWithoutExtension(fileLocation);
fileLocation = FileUtils.removeExtension(fileLocation);
String projectLocation = FileUtils.getPrecedingPath(fileLocation, "/src/");
outputLocation = projectLocation + "/bin/";
try {
outputLocation = FileUtils.getAbsolutePath(outputLocation) + "/";
} catch (IOException e2) {
e2.printStackTrace();
}
new File(outputLocation).mkdirs();
// fileName = fileName == null ? "" : fileName;
//
// JavacJavaCompilerSettings settings = new JavacJavaCompilerSettings();
//
// org.apache.commons.jci.compilers.JavaCompiler compiler = new
// JavacJavaCompiler(settings);//new JavaCompilerFactory().createCompiler("javac");//new
// JavacJavaCompiler(settings);
//
//// org.apache.commons.jci.compilers.JavaCompiler compiler = new
// JavaCompilerFactory().createCompiler("eclipse");
//
// MemoryResourceReader mrr = new MemoryResourceReader();
// mrr.add("Test", code.getBytes());
//
// MemoryResourceStore mrs = new MemoryResourceStore();
//
//
// CompilationResult result = compiler.compile(new String[] { fileName }, mrr, mrs);
//
// return result.getErrors().length + " ";
/*Creating dynamic java source code file object*/
SimpleJavaFileObject fileObject = new DynamicJavaSourceCodeObject(fileName, code);
JavaFileObject javaFileObjects[] = new JavaFileObject[] {fileObject};
/*Instantiating the java compiler*/
JavaCompiler compiler = getCompiler();
/**
* Retrieving the standard file manager from compiler object, which is used to provide basic
* building block for customizing how a compiler reads and writes to files.
*
* <p>The same file manager can be reopened for another compiler task. Thus we reduce the
* overhead of scanning through file system and jar files each time
*/
StandardJavaFileManager stdFileManager =
compiler.getStandardFileManager(null, Locale.getDefault(), null);
/* Prepare a list of compilation units (java source code file objects) to input to compilation task*/
Iterable<? extends JavaFileObject> compilationUnits = Arrays.asList(javaFileObjects);
String classpath = getClasspath(projectLocation);
/*Prepare any compilation options to be used during compilation*/
// In this example, we are asking the compiler to place the output files under bin folder.
String[] compileOptions =
new String[] {
// "-cp", classpath,
"-cp", classpath,
"-d", outputLocation
};
Iterable<String> compilationOptions = Arrays.asList(compileOptions);
// if (true)return;
/*Create a diagnostic controller, which holds the compilation problems*/
DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<JavaFileObject>();
/*Create a compilation task from compiler by passing in the required input objects prepared above*/
CompilationTask compilerTask =
compiler.getTask(
null, stdFileManager, diagnostics, compilationOptions, null, compilationUnits);
// Perform the compilation by calling the call method on compilerTask object.
boolean status = compilerTask.call();
final StringBuilder error = new StringBuilder();
String outputFile = outputLocation + fileName + ".class";
final String outputFiles[] = new String[] {outputFile};
ArrayList<Diagnostic> ds = new ArrayList<Diagnostic>();
ArrayList<String> errors = new ArrayList<String>();
// If compilation error occurs
if (!status) {
/*Iterate through each compilation problem and print it*/
for (Diagnostic d : diagnostics.getDiagnostics()) {
String err = d.getMessage(Locale.getDefault());
errors.add(String.format("Error on line %d: %s", d.getLineNumber(), err));
ds.add(d);
}
String strs[] = errors.toArray(new String[0]);
for (String str : strs) {
error.append(str);
}
Display.getDefault()
.syncExec(
new Runnable() {
public void run() {
if (stream != null) {
stream.println(error.toString());
}
}
});
}
CompileOutput output = null;
CompileOutput outputs[] = new CompileOutput[ds.size() > 0 ? ds.size() : 1];
if (ds.size() > 0) {
for (int i = 0; i < ds.size(); i++) {
outputs[i] =
new CompileOutput(
(int) ds.get(i).getStartPosition(),
(int) ds.get(i).getEndPosition(),
(int) ds.get(i).getLineNumber(),
status ? 0 : 1,
errors.get(i));
}
} else {
outputs[0] = new CompileOutput(0, 0, 0, status ? 0 : 1, "");
}
for (int i = compilerListeners.size() - 1; i >= 0; i--) {
CompilerEvent event = new CompilerEvent(outputFiles, outputs, stream, fileLocation);
compilerListeners.get(i).compiled(event);
}
try {
stdFileManager.close();
} catch (IOException e) {
e.printStackTrace();
}
}
public void close() throws IOException {
// System.out.println("close()");
fileManager.close();
}
@Override
public void close() throws IOException {
myStandardFileManager.close();
}
// compile a Java file with the installed javac compiler
public boolean compileFile(String sourceFile) {
boolean compilationResult = true; // no errors
JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
if (compiler == null) { // Sterg-SOS why not loaded?
System.out.println(
"ToolProvider.getSystemJavaCompiler: no compiler provided. Unable to compile");
}
DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<>();
StandardJavaFileManager fileManager = compiler.getStandardFileManager(diagnostics, null, null);
StringWriter compileWriter = new StringWriter();
List<File> sourceFileList = new ArrayList<File>();
sourceFileList.add(new File(sourceFile));
Iterable<? extends JavaFileObject> compilationUnits =
fileManager.getJavaFileObjectsFromFiles(sourceFileList);
String pathOfFile = sourceFile.substring(0, sourceFile.lastIndexOf(File.separatorChar));
String classpath =
GlobalValues.jarFilePath
+ File.pathSeparatorChar
+ pathOfFile
+ File.pathSeparatorChar
+ ".";
Iterable<String> options = Arrays.asList("-cp", classpath);
CompilationTask task =
compiler.getTask(compileWriter, fileManager, null, options, null, compilationUnits);
boolean compileResult = task.call();
if (compileResult == false) {
compilationResult = false; // compilation errors
JFrame compResultsFrame = new JFrame("Compilation Results");
String diagnString = compileWriter.toString();
JTextArea compResultsArea = new JTextArea(diagnString);
compResultsArea.setFont(new Font("Arial", Font.BOLD, 16));
JPanel compResultsPanel = new JPanel();
compResultsPanel.add(compResultsArea);
compResultsFrame.add(compResultsPanel);
compResultsFrame.setSize(800, 200);
compResultsFrame.setLocation(100, 200);
compResultsFrame.setVisible(true);
int response =
JOptionPane.showOptionDialog(
null,
"File " + sourceFile + " has compilation errors ",
"Edit File? ",
JOptionPane.YES_NO_OPTION,
JOptionPane.QUESTION_MESSAGE,
null,
null,
null);
if (response == JOptionPane.YES_OPTION) { // edit it with scalalabEditor
new scalalabEdit.EditorPaneEdit(sourceFile);
}
}
try {
fileManager.close();
} catch (IOException e) {
}
return compilationResult;
}
// JDK6 Complier API,CGLib,ASM
public static Object newProxyInstance(Class infce, InvocationHandler h) throws Exception {
String methodStr = "";
String rt = "\r\n";
Method[] methods = infce.getMethods();
/*for(Method m : methods) {
methodStr += "@Override" +rt +
"public void " + m.getName() + "() {" + rt +
" long start = System.currentTimeMillis();" + rt +
" System.out.println(\"starttime:\" + start);" + rt +
" t." +m.getName() + "();"+ rt +
" long end = System.currentTimeMillis();" + rt +
" System.out.println(\"time:\" + (end-start));" + rt +
"}";
}*/
for (Method m : methods) {
methodStr +=
"@Override"
+ rt
+ "public void "
+ m.getName()
+ "() {"
+ rt
+ " try{"
+ rt
+ " Method md = "
+ infce.getName()
+ ".class.getMethod(\""
+ m.getName()
+ "\");"
+ rt
+ " h.invoke(this, md);"
+ rt
+ " }catch(Exception e) {e.printStackTrace();}"
+ rt
+ "}";
}
String src =
"package com.lq.proxy1;"
+ rt
+ "import java.lang.reflect.Method;"
+ rt
+ "public class $Proxy1 implements "
+ infce.getName()
+ "{"
+ rt
+ " public $Proxy1(InvocationHandler h) {"
+ rt
+ " super();"
+ rt
+ " this.h = h;"
+ rt
+ " }"
+ rt
+ " com.lq.proxy1.InvocationHandler h;"
+ rt
+ methodStr
+ "}";
// System.out.println(System.getProperty("user.dir"));
String fileName = "d:/src/com/lq/proxy1/$Proxy1.java";
File f = new File(fileName);
FileWriter fw = new FileWriter(f);
fw.write(src);
fw.flush();
fw.close();
/** compile 从JavaCompiler开始到最后的作用是生成class文件 */
// 拿到系统当前默认的java编译器，即javac
JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
// System.out.println(compiler.getClass().getName());
// 第一个参数：诊断监听器
StandardJavaFileManager fileMgr = compiler.getStandardFileManager(null, null, null);
Iterable units = fileMgr.getJavaFileObjects(fileName); // 编译哪些文件
CompilationTask t = compiler.getTask(null, fileMgr, null, null, null, units);
t.call();
fileMgr.close();
// load into memory and create an instance
URL[] urls = new URL[] {new URL("file:/" + "d:/src/")};
URLClassLoader ul = new URLClassLoader(urls);
Class c = ul.loadClass("com.lq.proxy1.$Proxy1");
System.out.println(c);
// 拿到参数为Moveable类型的class类型的Constructor
Constructor ctr = c.getConstructor(InvocationHandler.class);
// Tank为被代理对象
Object m = ctr.newInstance(h);
// m.move();
return m;
}