| /* |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
| * |
| * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved. |
| * |
| * The contents of this file are subject to the terms of either the GNU |
| * General Public License Version 2 only ("GPL") or the Common Development |
| * and Distribution License("CDDL") (collectively, the "License"). You |
| * may not use this file except in compliance with the License. You can |
| * obtain a copy of the License at |
| * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html |
| * or packager/legal/LICENSE.txt. See the License for the specific |
| * language governing permissions and limitations under the License. |
| * |
| * When distributing the software, include this License Header Notice in each |
| * file and include the License file at packager/legal/LICENSE.txt. |
| * |
| * GPL Classpath Exception: |
| * Oracle designates this particular file as subject to the "Classpath" |
| * exception as provided by Oracle in the GPL Version 2 section of the License |
| * file that accompanied this code. |
| * |
| * Modifications: |
| * If applicable, add the following below the License Header, with the fields |
| * enclosed by brackets [] replaced by your own identifying information: |
| * "Portions Copyright [year] [name of copyright owner]" |
| * |
| * Contributor(s): |
| * If you wish your version of this file to be governed by only the CDDL or |
| * only the GPL Version 2, indicate your decision by adding "[Contributor] |
| * elects to include this software in this distribution under the [CDDL or GPL |
| * Version 2] license." If you don't indicate a single choice of license, a |
| * recipient has the option to distribute your version of this file under |
| * either the CDDL, the GPL Version 2 or to extend the choice of license to |
| * its licensees as provided above. However, if you add GPL Version 2 code |
| * and therefore, elected the GPL Version 2 license, then the option applies |
| * only if the new code is made subject to such option by the copyright |
| * holder. |
| */ |
| |
| package org.apache.jasper.compiler; |
| |
| import java.io.BufferedOutputStream; |
| import java.io.BufferedReader; |
| import java.io.ByteArrayOutputStream; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.io.OutputStreamWriter; |
| import java.io.Reader; |
| import java.io.Writer; |
| import java.io.UnsupportedEncodingException; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Locale; |
| import java.util.Map; |
| import java.util.StringTokenizer; |
| import java.util.logging.Logger; |
| import java.util.logging.Level; |
| |
| import org.apache.jasper.JasperException; |
| import org.apache.jasper.JspCompilationContext; |
| |
| import org.eclipse.jdt.core.compiler.IProblem; |
| import org.eclipse.jdt.internal.compiler.ClassFile; |
| import org.eclipse.jdt.internal.compiler.CompilationResult; |
| import org.eclipse.jdt.internal.compiler.Compiler; |
| import org.eclipse.jdt.internal.compiler.DefaultErrorHandlingPolicies; |
| import org.eclipse.jdt.internal.compiler.ICompilerRequestor; |
| import org.eclipse.jdt.internal.compiler.IErrorHandlingPolicy; |
| import org.eclipse.jdt.internal.compiler.IProblemFactory; |
| import org.eclipse.jdt.internal.compiler.classfmt.ClassFileReader; |
| import org.eclipse.jdt.internal.compiler.env.ICompilationUnit; |
| import org.eclipse.jdt.internal.compiler.env.INameEnvironment; |
| import org.eclipse.jdt.internal.compiler.env.NameEnvironmentAnswer; |
| import org.eclipse.jdt.internal.compiler.impl.CompilerOptions; |
| import org.eclipse.jdt.internal.compiler.problem.DefaultProblemFactory; |
| |
| /** |
| * JDT class compiler. This compiler will load source dependencies from the |
| * context classloader, reducing dramatically disk access during |
| * the compilation process. |
| * |
| * @author Cocoon2 |
| * @author Remy Maucherat |
| * @author Kin-man Chung Modified to implement JavaCompiler |
| */ |
| |
| public class JDTJavaCompiler implements JavaCompiler { |
| |
| private final Map settings = new HashMap(); |
| private JspCompilationContext ctxt; |
| private ErrorDispatcher errDispatcher; |
| private Logger log; |
| private String javaFileName; |
| |
| |
| public void init(JspCompilationContext ctxt, |
| ErrorDispatcher errDispatcher, |
| boolean suppressLogging) { |
| this.errDispatcher = errDispatcher; |
| this.ctxt = ctxt; |
| log = Logger.getLogger(JDTJavaCompiler.class.getName()); |
| if (suppressLogging) { |
| log.setLevel(Level.OFF); |
| } |
| } |
| |
| public void release() { |
| } |
| |
| public void setExtdirs(String exts) { |
| // no op here |
| } |
| |
| public void setClassPath(List<File> cpath) { |
| // No op here, because the current classloader is used. However, |
| // This may not include the system classpath specified in options |
| } |
| |
| public long getClassLastModified() { |
| File classFile = new File(ctxt.getClassFileName()); |
| return classFile.lastModified(); |
| } |
| |
| public Writer getJavaWriter(String javaFileName, |
| String javaEncoding) |
| throws JasperException { |
| |
| this.javaFileName = javaFileName; |
| |
| Writer writer = null; |
| try { |
| writer = new OutputStreamWriter( |
| new FileOutputStream(javaFileName), javaEncoding); |
| } catch (UnsupportedEncodingException ex) { |
| errDispatcher.jspError("jsp.error.needAlternateJavaEncoding", |
| javaEncoding); |
| } catch (IOException ex) { |
| errDispatcher.jspError("jsp.error.unableToCreateOutputWriter", |
| javaFileName, ex); |
| } |
| return writer; |
| } |
| |
| public void setDebug(boolean debug) { |
| settings.put(CompilerOptions.OPTION_LineNumberAttribute, |
| CompilerOptions.GENERATE); |
| settings.put(CompilerOptions.OPTION_SourceFileAttribute, |
| CompilerOptions.GENERATE); |
| settings.put(CompilerOptions.OPTION_ReportDeprecation, |
| CompilerOptions.IGNORE); |
| if (debug) { |
| settings.put(CompilerOptions.OPTION_LocalVariableAttribute, |
| CompilerOptions.GENERATE); |
| } |
| } |
| |
| public void setSourceVM(String sourceVM) { |
| if(sourceVM.equals("1.1")) { |
| settings.put(CompilerOptions.OPTION_Source, |
| CompilerOptions.VERSION_1_1); |
| } else if(sourceVM.equals("1.2")) { |
| settings.put(CompilerOptions.OPTION_Source, |
| CompilerOptions.VERSION_1_2); |
| } else if(sourceVM.equals("1.3")) { |
| settings.put(CompilerOptions.OPTION_Source, |
| CompilerOptions.VERSION_1_3); |
| } else if(sourceVM.equals("1.4")) { |
| settings.put(CompilerOptions.OPTION_Source, |
| CompilerOptions.VERSION_1_4); |
| } else if(sourceVM.equals("1.5")) { |
| settings.put(CompilerOptions.OPTION_Source, |
| CompilerOptions.VERSION_1_5); |
| } else if(sourceVM.equals("1.6")) { |
| settings.put(CompilerOptions.OPTION_Source, |
| CompilerOptions.VERSION_1_6); |
| } else if(sourceVM.equals("1.7")) { |
| settings.put(CompilerOptions.OPTION_Source, |
| CompilerOptions.VERSION_1_7); |
| } else { |
| log.warning("Unknown source VM " + sourceVM + " ignored."); |
| settings.put(CompilerOptions.OPTION_Source, |
| CompilerOptions.VERSION_1_5); |
| } |
| } |
| |
| public void setTargetVM(String targetVM) { |
| if(targetVM.equals("1.1")) { |
| settings.put(CompilerOptions.OPTION_TargetPlatform, |
| CompilerOptions.VERSION_1_1); |
| } else if(targetVM.equals("1.2")) { |
| settings.put(CompilerOptions.OPTION_TargetPlatform, |
| CompilerOptions.VERSION_1_2); |
| } else if(targetVM.equals("1.3")) { |
| settings.put(CompilerOptions.OPTION_TargetPlatform, |
| CompilerOptions.VERSION_1_3); |
| } else if(targetVM.equals("1.4")) { |
| settings.put(CompilerOptions.OPTION_TargetPlatform, |
| CompilerOptions.VERSION_1_4); |
| } else if(targetVM.equals("1.5")) { |
| settings.put(CompilerOptions.OPTION_TargetPlatform, |
| CompilerOptions.VERSION_1_5); |
| } else if(targetVM.equals("1.6")) { |
| settings.put(CompilerOptions.OPTION_TargetPlatform, |
| CompilerOptions.VERSION_1_6); |
| } else if(targetVM.equals("1.7")) { |
| settings.put(CompilerOptions.OPTION_TargetPlatform, |
| CompilerOptions.VERSION_1_7); |
| } else { |
| log.warning("Unknown target VM " + targetVM + " ignored."); |
| settings.put(CompilerOptions.OPTION_TargetPlatform, |
| CompilerOptions.VERSION_1_5); |
| } |
| } |
| |
| public void saveClassFile(String className, String classFileName) { |
| // class file are alwyas saved. |
| } |
| |
| public void doJavaFile(boolean keep) { |
| if (!keep) { |
| File javaFile = new File(javaFileName); |
| javaFile.delete(); |
| } |
| } |
| |
| public JavacErrorDetail[] compile(final String targetClassName, |
| final Node.Nodes pageNodes) |
| throws JasperException { |
| |
| final String sourceFile = ctxt.getServletJavaFileName(); |
| final String outputDir = |
| ctxt.getOptions().getScratchDir().getAbsolutePath(); |
| String packageName = ctxt.getServletPackageName(); |
| |
| final ClassLoader classLoader = ctxt.getJspLoader(); |
| String[] fileNames = new String[] {sourceFile}; |
| String[] classNames = new String[] {targetClassName}; |
| final ArrayList<JavacErrorDetail> problemList = |
| new ArrayList<JavacErrorDetail>(); |
| |
| class CompilationUnit implements ICompilationUnit { |
| |
| String className; |
| String sourceFile; |
| |
| CompilationUnit(String sourceFile, String className) { |
| this.className = className; |
| this.sourceFile = sourceFile; |
| } |
| |
| public char[] getFileName() { |
| return className.toCharArray(); |
| } |
| |
| public char[] getContents() { |
| char[] result = null; |
| Reader reader = null; |
| try { |
| InputStreamReader isReader = |
| new InputStreamReader(new FileInputStream(sourceFile), |
| ctxt.getOptions().getJavaEncoding()); |
| reader = new BufferedReader(isReader); |
| if (reader != null) { |
| char[] chars = new char[8192]; |
| StringBuilder buf = new StringBuilder(); |
| int count; |
| while ((count = reader.read(chars, 0, |
| chars.length)) > 0) { |
| buf.append(chars, 0, count); |
| } |
| result = new char[buf.length()]; |
| buf.getChars(0, result.length, result, 0); |
| } |
| } catch (IOException e) { |
| log.log(Level.SEVERE, "Compilation error", e); |
| } finally { |
| if (reader != null) { |
| try { |
| reader.close(); |
| } catch (IOException ioe) { |
| // Ignore |
| } |
| } |
| } |
| return result; |
| } |
| |
| public char[] getMainTypeName() { |
| int dot = className.lastIndexOf('.'); |
| if (dot > 0) { |
| return className.substring(dot + 1).toCharArray(); |
| } |
| return className.toCharArray(); |
| } |
| |
| public char[][] getPackageName() { |
| StringTokenizer izer = |
| new StringTokenizer(className, "."); |
| char[][] result = new char[izer.countTokens()-1][]; |
| for (int i = 0; i < result.length; i++) { |
| String tok = izer.nextToken(); |
| result[i] = tok.toCharArray(); |
| } |
| return result; |
| } |
| |
| public boolean ignoreOptionalProblems() { |
| return false; |
| } |
| } |
| |
| final INameEnvironment env = new INameEnvironment() { |
| |
| public NameEnvironmentAnswer |
| findType(char[][] compoundTypeName) { |
| String result = ""; |
| String sep = ""; |
| for (int i = 0; i < compoundTypeName.length; i++) { |
| result += sep; |
| result += new String(compoundTypeName[i]); |
| sep = "."; |
| } |
| return findType(result); |
| } |
| |
| public NameEnvironmentAnswer |
| findType(char[] typeName, |
| char[][] packageName) { |
| String result = ""; |
| String sep = ""; |
| for (int i = 0; i < packageName.length; i++) { |
| result += sep; |
| result += new String(packageName[i]); |
| sep = "."; |
| } |
| result += sep; |
| result += new String(typeName); |
| return findType(result); |
| } |
| |
| private NameEnvironmentAnswer findType(String className) { |
| |
| InputStream is = null; |
| try { |
| if (className.equals(targetClassName)) { |
| ICompilationUnit compilationUnit = |
| new CompilationUnit(sourceFile, className); |
| return |
| new NameEnvironmentAnswer(compilationUnit, null); |
| } |
| String resourceName = |
| className.replace('.', '/') + ".class"; |
| is = classLoader.getResourceAsStream(resourceName); |
| if (is != null) { |
| byte[] classBytes; |
| byte[] buf = new byte[8192]; |
| ByteArrayOutputStream baos = |
| new ByteArrayOutputStream(buf.length); |
| int count; |
| while ((count = is.read(buf, 0, buf.length)) > 0) { |
| baos.write(buf, 0, count); |
| } |
| baos.flush(); |
| classBytes = baos.toByteArray(); |
| char[] fileName = className.toCharArray(); |
| ClassFileReader classFileReader = |
| new ClassFileReader(classBytes, fileName, |
| true); |
| return |
| new NameEnvironmentAnswer(classFileReader, null); |
| } |
| } catch (IOException exc) { |
| log.log(Level.SEVERE, "Compilation error", exc); |
| } catch (org.eclipse.jdt.internal.compiler.classfmt.ClassFormatException exc) { |
| log.log(Level.SEVERE, "Compilation error", exc); |
| } finally { |
| if (is != null) { |
| try { |
| is.close(); |
| } catch (IOException exc) { |
| // Ignore |
| } |
| } |
| } |
| return null; |
| } |
| |
| private boolean isPackage(String result) { |
| if (result.equals(targetClassName)) { |
| return false; |
| } |
| String resourceName = result.replace('.', '/') + ".class"; |
| InputStream is = |
| classLoader.getResourceAsStream(resourceName); |
| return is == null; |
| } |
| |
| public boolean isPackage(char[][] parentPackageName, |
| char[] packageName) { |
| String result = ""; |
| String sep = ""; |
| if (parentPackageName != null) { |
| for (int i = 0; i < parentPackageName.length; i++) { |
| result += sep; |
| String str = new String(parentPackageName[i]); |
| result += str; |
| sep = "."; |
| } |
| } |
| String str = new String(packageName); |
| if (Character.isUpperCase(str.charAt(0))) { |
| if (!isPackage(result)) { |
| return false; |
| } |
| } |
| result += sep; |
| result += str; |
| return isPackage(result); |
| } |
| |
| public void cleanup() { |
| } |
| |
| }; |
| |
| final IErrorHandlingPolicy policy = |
| DefaultErrorHandlingPolicies.proceedWithAllProblems(); |
| |
| if (ctxt.getOptions().getJavaEncoding() != null) { |
| settings.put(CompilerOptions.OPTION_Encoding, |
| ctxt.getOptions().getJavaEncoding()); |
| } |
| |
| final IProblemFactory problemFactory = |
| new DefaultProblemFactory(Locale.getDefault()); |
| |
| final ICompilerRequestor requestor = new ICompilerRequestor() { |
| public void acceptResult(CompilationResult result) { |
| try { |
| if (result.hasProblems()) { |
| IProblem[] problems = safeGetProblems(result); |
| for (int i = 0; i < problems.length; i++) { |
| IProblem problem = problems[i]; |
| if (problem.isError()) { |
| String name = |
| new String(problems[i].getOriginatingFileName()); |
| try { |
| problemList.add( |
| ErrorDispatcher.createJavacError( |
| name, |
| pageNodes, |
| new StringBuilder(problem.getMessage()), |
| problem.getSourceLineNumber())); |
| } catch (JasperException e) { |
| log.log(Level.SEVERE, "Error visiting node", e); |
| } |
| } |
| } |
| } |
| if (problemList.isEmpty()) { |
| ClassFile[] classFiles = result.getClassFiles(); |
| for (int i = 0; i < classFiles.length; i++) { |
| ClassFile classFile = classFiles[i]; |
| char[][] compoundName = |
| classFile.getCompoundName(); |
| String className = ""; |
| String sep = ""; |
| for (int j = 0; |
| j < compoundName.length; j++) { |
| className += sep; |
| className += new String(compoundName[j]); |
| sep = "."; |
| } |
| byte[] bytes = classFile.getBytes(); |
| String outFile = outputDir + "/" + |
| className.replace('.', '/') + ".class"; |
| FileOutputStream fout = |
| new FileOutputStream(outFile); |
| BufferedOutputStream bos = |
| new BufferedOutputStream(fout); |
| bos.write(bytes); |
| bos.close(); |
| } |
| } |
| } catch (IOException exc) { |
| log.log(Level.SEVERE, "Compilation error", exc); |
| } |
| } |
| }; |
| |
| ICompilationUnit[] compilationUnits = |
| new ICompilationUnit[classNames.length]; |
| for (int i = 0; i < compilationUnits.length; i++) { |
| compilationUnits[i] = new CompilationUnit(fileNames[i], classNames[i]); |
| } |
| |
| Compiler compiler = new Compiler(env, |
| policy, |
| settings, |
| requestor, |
| problemFactory); |
| compiler.compile(compilationUnits); |
| |
| if (problemList.isEmpty()) { |
| return null; |
| } |
| return problemList.toArray(new JavacErrorDetail[]{}); |
| } |
| |
| private static boolean USE_INTROSPECTION_TO_INVOKE_GET_PROBLEM = false; |
| private static java.lang.reflect.Method GET_PROBLEM_METH = null; |
| /** |
| * Invoke CompilationResult#getProblems safely so that it works with |
| * 3.1.1 and more recent versions of the eclipse java compiler. |
| * See https://jsp.dev.java.net/issues/show_bug.cgi?id=13 |
| * |
| * @param result The compilation result. |
| * @return The same object than CompilationResult#getProblems |
| */ |
| private static final IProblem[] safeGetProblems(CompilationResult result) { |
| if (!USE_INTROSPECTION_TO_INVOKE_GET_PROBLEM) { |
| try { |
| return result.getProblems(); |
| } catch (NoSuchMethodError re) { |
| USE_INTROSPECTION_TO_INVOKE_GET_PROBLEM = true; |
| } |
| } |
| try { |
| if (GET_PROBLEM_METH == null) { |
| GET_PROBLEM_METH = result.getClass() |
| .getDeclaredMethod("getProblems", new Class[] {}); |
| } |
| //an array of a particular type can be casted into an array of a super type. |
| return (IProblem[]) GET_PROBLEM_METH.invoke(result, null); |
| } catch (Throwable e) { |
| if (e instanceof RuntimeException) { |
| throw (RuntimeException)e; |
| } else { |
| throw new RuntimeException(e); |
| } |
| } |
| } |
| } |