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Posted to cvs@cocoon.apache.org by co...@apache.org on 2003/02/27 22:27:55 UTC

cvs commit: xml-cocoon2/src/java/org/apache/cocoon/components/language/programming/java EclipseJavaCompiler.java JavaLanguage.java

coliver     2003/02/27 13:27:55

  Modified:    src/java/org/apache/cocoon/components/language/programming/java
                        JavaLanguage.java
  Added:       src/java/org/apache/cocoon/components/language/programming/java
                        EclipseJavaCompiler.java
  Log:
  Added support for eclipse JDT compiler
  
  Revision  Changes    Path
  1.16      +7 -3      xml-cocoon2/src/java/org/apache/cocoon/components/language/programming/java/JavaLanguage.java
  
  Index: JavaLanguage.java
  ===================================================================
  RCS file: /home/cvs/xml-cocoon2/src/java/org/apache/cocoon/components/language/programming/java/JavaLanguage.java,v
  retrieving revision 1.15
  retrieving revision 1.16
  diff -u -r1.15 -r1.16
  --- JavaLanguage.java	17 Feb 2003 21:55:36 -0000	1.15
  +++ JavaLanguage.java	27 Feb 2003 21:27:55 -0000	1.16
  @@ -57,9 +57,11 @@
   import org.apache.avalon.framework.parameters.ParameterException;
   import org.apache.avalon.framework.parameters.Parameters;
   import org.apache.avalon.framework.thread.ThreadSafe;
  +import org.apache.avalon.framework.logger.LogEnabled;
   
   import org.apache.cocoon.components.classloader.ClassLoaderManager;
   import org.apache.cocoon.components.language.LanguageException;
  +import org.apache.cocoon.components.language.programming.LanguageCompiler;
   import org.apache.cocoon.components.language.markup.xsp.XSLTExtension;
   import org.apache.cocoon.components.language.programming.CompiledProgrammingLanguage;
   import org.apache.cocoon.components.language.programming.CompilerError;
  @@ -199,9 +201,11 @@
               throws LanguageException {
   
           try {
  -            AbstractJavaCompiler compiler = (AbstractJavaCompiler) this.compilerClass.newInstance();
  +            LanguageCompiler compiler = (LanguageCompiler) this.compilerClass.newInstance();
               // AbstractJavaCompiler is LogEnabled
  -            compiler.enableLogging(getLogger());
  +	    if (compiler instanceof LogEnabled) {
  +		((LogEnabled)compiler).enableLogging(getLogger());
  +	    }
   
               int pos = name.lastIndexOf(File.separatorChar);
               String filename = name.substring(pos + 1);
  
  
  
  1.1                  xml-cocoon2/src/java/org/apache/cocoon/components/language/programming/java/EclipseJavaCompiler.java
  
  Index: EclipseJavaCompiler.java
  ===================================================================
  /*
  
   ============================================================================
                     The Apache Software License, Version 1.1
   ============================================================================
  
   Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
  
   Redistribution and use in source and binary forms, with or without modifica-
   tion, are permitted provided that the following conditions are met:
  
   1. Redistributions of  source code must  retain the above copyright  notice,
      this list of conditions and the following disclaimer.
  
   2. Redistributions in binary form must reproduce the above copyright notice,
      this list of conditions and the following disclaimer in the documentation
      and/or other materials provided with the distribution.
  
   3. The end-user documentation included with the redistribution, if any, must
      include  the following  acknowledgment:  "This product includes  software
      developed  by the  Apache Software Foundation  (http://www.apache.org/)."
      Alternately, this  acknowledgment may  appear in the software itself,  if
      and wherever such third-party acknowledgments normally appear.
  
   4. The names "Apache Cocoon" and  "Apache Software Foundation" must  not  be
      used to  endorse or promote  products derived from  this software without
      prior written permission. For written permission, please contact
      apache@apache.org.
  
   5. Products  derived from this software may not  be called "Apache", nor may
      "Apache" appear  in their name,  without prior written permission  of the
      Apache Software Foundation.
  
   THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
   INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
   FITNESS  FOR A PARTICULAR  PURPOSE ARE  DISCLAIMED.  IN NO  EVENT SHALL  THE
   APACHE SOFTWARE  FOUNDATION  OR ITS CONTRIBUTORS  BE LIABLE FOR  ANY DIRECT,
   INDIRECT, INCIDENTAL, SPECIAL,  EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLU-
   DING, BUT NOT LIMITED TO, PROCUREMENT  OF SUBSTITUTE GOODS OR SERVICES; LOSS
   OF USE, DATA, OR  PROFITS; OR BUSINESS  INTERRUPTION)  HOWEVER CAUSED AND ON
   ANY  THEORY OF LIABILITY,  WHETHER  IN CONTRACT,  STRICT LIABILITY,  OR TORT
   (INCLUDING  NEGLIGENCE OR  OTHERWISE) ARISING IN  ANY WAY OUT OF THE  USE OF
   THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
   This software  consists of voluntary contributions made  by many individuals
   on  behalf of the Apache Software  Foundation and was  originally created by
   Stefano Mazzocchi  <st...@apache.org>. For more  information on the Apache
   Software Foundation, please see <http://www.apache.org/>.
  
  */
  package org.apache.cocoon.components.language.programming.java;
  import org.apache.avalon.framework.logger.AbstractLogEnabled;
  import org.apache.avalon.excalibur.pool.Recyclable;
  import org.apache.cocoon.components.language.programming.LanguageCompiler;
  import org.apache.cocoon.components.language.programming.CompilerError;
  import org.apache.cocoon.util.ClassUtils;
  import org.apache.avalon.framework.CascadingRuntimeException;
  import org.eclipse.jdt.core.compiler.IProblem;
  import org.eclipse.jdt.internal.compiler.env.INameEnvironment;
  import org.eclipse.jdt.internal.compiler.env.NameEnvironmentAnswer;
  import org.eclipse.jdt.internal.compiler.ClassFile;
  import org.eclipse.jdt.internal.compiler.Compiler;
  import org.eclipse.jdt.internal.compiler.DefaultErrorHandlingPolicies;
  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.ICompilerRequestor;
  import org.eclipse.jdt.internal.compiler.CompilationResult;
  import org.eclipse.jdt.internal.compiler.problem.DefaultProblem;
  import org.eclipse.jdt.internal.compiler.problem.DefaultProblemFactory;
  import org.eclipse.jdt.internal.compiler.impl.CompilerOptions;
  
  import java.util.LinkedList;
  import java.util.List;
  import java.util.Map;
  import java.util.HashMap;
  import java.io.IOException;
  import java.io.Reader;
  import java.io.InputStream;
  import java.io.FileOutputStream;
  import java.io.ByteArrayInputStream;
  import java.io.OutputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.BufferedOutputStream;
  import java.io.Reader;
  import java.io.FileReader;
  import java.io.BufferedReader;
  import java.io.File;
  import java.io.IOException;
  import java.util.Locale;
  import java.util.Iterator;
  import java.util.StringTokenizer;
  
  public class EclipseJavaCompiler implements LanguageCompiler, Recyclable {
  
      List errors = new LinkedList();
  
      String sourceDir;
      String sourceFile; 
      String destDir;
      String sourceEncoding;
      boolean debug = true;
      boolean source14 = true;
      boolean target14 = true;
  
      public void recycle() {
          sourceFile = null;
          sourceDir = null;
          destDir = null;
          sourceEncoding = null;
  	source14 = true;
  	target14 = true;
          errors.clear();
      }
  
      public EclipseJavaCompiler() {
      }
  
      public void setFile(String file) {
          // This seems to be the absolute path to the file to be compiled
          this.sourceFile = file;
      }
  
      public void setSource(String source) {
          // This seems to simply be the directory the file to
          // be compiled resides in: not sure what this could be used for...
          //
          // Not used 
      }
  
      public void setDestination(String destDir) {
          // This seems to indicate the "sourcepath" of the file to be
          // compiled (as well as the output directory)
          this.destDir = destDir;
          this.sourceDir = destDir;
      }
  
      public void setEncoding(String encoding) {
          this.sourceEncoding = encoding; 
      }
  
      public void setClasspath(String cp) {
          // Not used 
      }
  
      private String makeClassName(String fileName) throws IOException {
          File origFile = new File(fileName);
          String canonical = null;
          if (origFile.exists()) {
              canonical = origFile.getCanonicalPath().replace('\\', '/');
          }
          String str = fileName;
          str = str.replace('\\', '/');
          if (sourceDir != null) {
              String prefix = 
                  new File(sourceDir).getCanonicalPath().replace('\\', '/');
              if (canonical != null) {
                  if (canonical.startsWith(prefix)) {
                      String result = canonical.substring(prefix.length() + 1,
                                                          canonical.length() -5);
                      result = result.replace('/', '.');
                      return result;
                  }
              } else {
                  File t = new File(sourceDir, fileName);
                  if (t.exists()) {
                      str = t.getCanonicalPath().replace('\\', '/');
                      String result = str.substring(prefix.length()+1,
                                                    str.length() - 5).replace('/', '.');
                      return result;
                  }
              }
          }
          if (fileName.endsWith(".java")) {
              fileName = fileName.substring(0, fileName.length() - 5);
          }
          fileName = fileName.replace('\\', '.');
          return fileName.replace('/', '.');
      }
  
      public boolean compile() throws IOException {
  	System.out.println("!!******* Compiling: " + sourceFile);
  	final String targetClassName = makeClassName(sourceFile);
  	final ClassLoader classLoader = ClassUtils.getClassLoader();
  	String[] fileNames = new String[] {sourceFile};
  	String[] classNames = new String[] {targetClassName};
          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;
                  try {
                      Reader reader = new BufferedReader(new FileReader(sourceFile));
                      if (reader != null) {
                          char[] chars = new char[8192];
                          StringBuffer buf = new StringBuffer();
                          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) {
  		    handleError(className, -1, -1, 
  				e.getMessage());
                      //e.printStackTrace();
                  }
                  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;
              }
          }
  
  
          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) {
  
                      try {
                          if (className.equals(targetClassName)) {
                              ICompilationUnit compilationUnit = 
                                  new CompilationUnit(sourceFile, className);
                              return 
                                  new NameEnvironmentAnswer(compilationUnit);
                          }
  			String resourceName = 
  			    className.replace('.', '/') + ".class";
  			InputStream 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);
                          }
                      } catch (IOException exc) {
  			handleError(className, -1, -1, 
  				    exc.getMessage());
                      } catch (org.eclipse.jdt.internal.compiler.classfmt.ClassFormatException exc) {
  			handleError(className, -1, -1, 
  				    exc.getMessage());
                      }
                      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();
          final Map settings = new HashMap();
          settings.put(CompilerOptions.OPTION_LineNumberAttribute,
                       CompilerOptions.GENERATE);
          settings.put(CompilerOptions.OPTION_SourceFileAttribute,
                       CompilerOptions.GENERATE);
  	settings.put(CompilerOptions.OPTION_ReportDeprecation,
  		     CompilerOptions.IGNORE);
  	if (sourceEncoding != null) {
  	    settings.put(CompilerOptions.OPTION_Encoding,
  			 sourceEncoding);
  	}
          if (debug) {
              settings.put(CompilerOptions.OPTION_LocalVariableAttribute,
                           CompilerOptions.GENERATE);
          }
          if (source14) {
              settings.put(CompilerOptions.OPTION_Source,
                           CompilerOptions.VERSION_1_4);
          }
          if (target14) {
              settings.put(CompilerOptions.OPTION_TargetPlatform,
                           CompilerOptions.VERSION_1_4);
          }
          final IProblemFactory problemFactory = 
              new DefaultProblemFactory(Locale.getDefault());
  
          final ICompilerRequestor requestor = new ICompilerRequestor() {
                  public void acceptResult(CompilationResult result) {
                      try {
                          if (result.hasProblems()) {
                              IProblem[] problems = result.getProblems();
                              for (int i = 0; i < problems.length; i++) {
                                  IProblem problem = problems[i];
                                  String name = 
                                      new String(problems[i].getOriginatingFileName());
                                  handleError(name,
  					    problem.getSourceLineNumber(),
  					    -1,
  					    problem.getMessage());
                              }
                          } else {
                              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 = destDir + "/" + 
  				    className.replace('.', '/') + ".class";
  				System.out.println("****generating: " + outFile);
  				FileOutputStream fout = 
  				    new FileOutputStream(outFile);
  				BufferedOutputStream bos = 
  				    new BufferedOutputStream(fout);
  				bos.write(bytes);
  				bos.close();
                              }
                          }
                      } catch (IOException exc) {
                          exc.printStackTrace();
                      }
                  }
              };
          ICompilationUnit[] compilationUnits = 
              new ICompilationUnit[classNames.length];
          for (int i = 0; i < compilationUnits.length; i++) {
              String className = classNames[i];
              compilationUnits[i] = new CompilationUnit(fileNames[i], className);
          }
          Compiler compiler = new Compiler(env,
                                           policy,
                                           settings,
                                           requestor,
                                           problemFactory);
          compiler.compile(compilationUnits);
  	return errors.size() == 0;
      }
  
      void handleError(String className, int line, int column, Object errorMessage) {
  	String fileName = 
  	    className.replace('.', File.separatorChar) + ".java";
  	if (column < 0) column = 0;
  	errors.add(new CompilerError(fileName,
  				     true,
  				     line,
  				     column,
  				     line,
  				     column,
  				     errorMessage.toString()));
      }
  
      public List getErrors() throws IOException {
  	    return errors;
      }
  }