public JavaClass parse()

in src/main/java/org/apache/bcel/classfile/ClassParser.java [108:180]
42 lines of code
10 McCabe index (conditional complexity)

    public JavaClass parse() throws IOException, ClassFormatException {
        ZipFile zip = null;
        try {
            if (fileOwned) {
                if (isZip) {
                    zip = new ZipFile(zipFile);
                    final ZipEntry entry = zip.getEntry(fileName);

                    if (entry == null) {
                        throw new IOException("File " + fileName + " not found");
                    }

                    dataInputStream = new DataInputStream(new BufferedInputStream(zip.getInputStream(entry), BUFSIZE));
                } else {
                    dataInputStream = new DataInputStream(new BufferedInputStream(new FileInputStream(fileName), BUFSIZE));
                }
            }
            /****************** Read headers ********************************/
            // Check magic tag of class file
            readID();
            // Get compiler version
            readVersion();
            /****************** Read constant pool and related **************/
            // Read constant pool entries
            readConstantPool();
            // Get class information
            readClassInfo();
            // Get interface information, i.e., implemented interfaces
            readInterfaces();
            /****************** Read class fields and methods ***************/
            // Read class fields, i.e., the variables of the class
            readFields();
            // Read class methods, i.e., the functions in the class
            readMethods();
            // Read class attributes
            readAttributes();
            // Check for unknown variables
            // Unknown[] u = Unknown.getUnknownAttributes();
            // for (int i=0; i < u.length; i++)
            // System.err.println("WARNING: " + u[i]);
            // Everything should have been read now
            // if(file.available() > 0) {
            // int bytes = file.available();
            // byte[] buf = new byte[bytes];
            // file.read(buf);
            // if(!(isZip && (buf.length == 1))) {
            // System.err.println("WARNING: Trailing garbage at end of " + fileName);
            // System.err.println(bytes + " extra bytes: " + Utility.toHexString(buf));
            // }
            // }
        } finally {
            // Read everything of interest, so close the file
            if (fileOwned) {
                try {
                    if (dataInputStream != null) {
                        dataInputStream.close();
                    }
                } catch (final IOException ignored) {
                    // ignore close exceptions
                }
            }
            try {
                if (zip != null) {
                    zip.close();
                }
            } catch (final IOException ignored) {
                // ignore close exceptions
            }
        }
        // Return the information we have gathered in a new object
        return new JavaClass(classNameIndex, superclassNameIndex, fileName, major, minor, accessFlags, constantPool, interfaces, fields, methods, attributes,
            isZip ? JavaClass.ZIP : JavaClass.FILE);
    }