Method generateClass

java/org/apache/jasper/compiler/JDTCompiler.java:73–567

(Map<String,SmapStratum> smaps)

    private final Log log = LogFactory.getLog(JDTCompiler.class); // must not be static

    @Override
    protected void generateClass(Map<String,SmapStratum> smaps)
            throws FileNotFoundException, JasperException, Exception {

        long t1 = 0;
        if (log.isDebugEnabled()) {
            t1 = System.currentTimeMillis();
        }

        final String sourceFile = ctxt.getServletJavaFileName();
        final String outputDir = ctxt.getOptions().getScratchDir().getAbsolutePath();
        String packageName = ctxt.getServletPackageName();
        final String targetClassName =
                ((packageName.length() != 0) ? (packageName + ".") : "") + ctxt.getServletClassName();
        final ClassLoader classLoader = ctxt.getJspLoader();
        String[] fileNames = new String[] { sourceFile };
        String[] classNames = new String[] { targetClassName };
        final List<JavacErrorDetail> problemList = new ArrayList<>();

        class CompilationUnit implements ICompilationUnit {

            private final String className;
            private final String sourceFile;

            CompilationUnit(String sourceFile, String className) {
                this.className = className;
                this.sourceFile = sourceFile;
            }

            @Override
            public char[] getFileName() {
                return sourceFile.toCharArray();
            }

            @Override
            public char[] getContents() {
                char[] result;
                try (FileInputStream is = new FileInputStream(sourceFile);
                        InputStreamReader isr = new InputStreamReader(is, ctxt.getOptions().getJavaEncoding());
                        Reader reader = new BufferedReader(isr)) {
                    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 ioe) {
                    log.error(Localizer.getMessage("jsp.error.compilation.source", sourceFile), ioe);
                    result = new char[0];
                }
                return result;
            }

            @Override
            public char[] getMainTypeName() {
                int dot = className.lastIndexOf('.');