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Java Source | 1999-09-19 | 12.4 KB | 348 lines |
- /*
- * @(#)Configuration.java 1.15 98/09/22
- *
- * Copyright 1997, 1998 by Sun Microsystems, Inc.,
- * 901 San Antonio Road, Palo Alto, California, 94303, U.S.A.
- * All rights reserved.
- *
- * This software is the confidential and proprietary information
- * of Sun Microsystems, Inc. ("Confidential Information"). You
- * shall not disclose such Confidential Information and shall use
- * it only in accordance with the terms of the license agreement
- * you entered into with Sun.
- */
-
- package com.sun.tools.doclets;
-
- import com.sun.javadoc.*;
- import java.util.*;
- import java.io.*;
-
- /**
- * Configure the output based on the options. Doclets should sub-class
- * Configuration, to configure and add their own options. This class contains
- * all user options which are supported by the 1.1 doclet and the standard
- * doclet.
- *
- * @author Robert Field.
- * @author Atul Dambalkar.
- */
- public abstract class Configuration {
- /**
- * The Root of the generated Program Structure from the Doclet API.
- */
- public static RootDoc root;
-
- /**
- * Destination directory name, in which doclet will generate the entire
- * documentation. Default is current directory.
- */
- public String destdirname = "";
-
- /**
- * Encoding for this document. Default is default encoding for this
- * platform.
- */
- public String docencoding = null;
-
- /**
- * Encoding for this document. Default is default encoding for this
- * platform.
- */
- public String encoding = null;
-
- /**
- * Generate author specific information for all the classes if @author
- * tag is used in the doc comment and if -author option is used.
- * <code>showauthor</code> is set to true if -author option is used.
- * Default is don't show author information.
- */
- public boolean showauthor = false;
-
- /**
- * Generate version specific information for the all the classes
- * if @version tag is used in the doc comment and if -version option is
- * used. <code>showversion</code> is set to true if -version option is
- * used.Default is don't show version information.
- */
- public boolean showversion = false;
-
- /**
- * Don't generate the date in the generated documentation, if -nodate
- * option is used. <code>nodate</code> is set to true if -nodate
- * option is used. Default is don't show date.
- */
- public boolean nodate = false;
-
- /**
- * Sourcepath from where to read the source files. Default is classpath.
- *
- */
- public String sourcepath = "";
-
- /**
- * Don't generate deprecated API information at all, if -nodeprecated
- * option is used. <code>nodepracted</code> is set to true if
- * -nodeprecated option is used. Default is generate deprected API
- * information.
- */
- public boolean nodeprecated = false;
-
- /**
- * All the packages to be documented.
- */
- public PackageDoc[] packages;
-
- /**
- * Message Retriever for the doclet, to retrieve message from the resource
- * file for this Configuration, which is common for 1.1 and standard
- * doclets.
- */
- public static MessageRetriever message = null;
-
- /**
- * This method should be defined in all those doclets(configurations),
- * which want to derive themselves from this Configuration. This method
- * can be used to set its own command line options.
- *
- * @param root Root of the Program Structure generated by Javadoc.
- */
- public abstract void setSpecificDocletOptions(RootDoc root)
- throws DocletAbortException;
-
- /**
- * This method should be defined in all those doclets
- * which want to inherit from this Configuration. This method
- * should return the number of arguments to the command line option.
- * This method is called by the method {@link #optionLength(String)}.
- *
- * @param option Command line option under consideration.
- * @return number of arguments to option. Zero return means
- * option not known. Negative value means error occurred.
- * @see #optionLength(String)
- */
- public abstract int specificDocletOptionLength(String option);
-
- /**
- * This method should be defined in all those doclets
- * which want to inherit from this Configuration. This method
- * can be used to check the validity of its own command line options.
- * This method is called by {@link #validOptions(String[][],
- * DocErrorReporter)}.
- *
- * @param option Options-array from the Javadoc.
- * @param reporter Error reporter.
- * @return True if all the options are valid else false.
- */
- public abstract boolean specificDocletValidOptions(String option[][],
- DocErrorReporter reporter);
-
- /**
- * Constructor. Constructs the message retriever with resource file.
- */
- public Configuration() {
- if (message == null) {
- message =
- new MessageRetriever("com.sun.tools.javadoc.resources.doclets");
- }
- }
-
- /**
- * Set the command line options supported by this configuration.
- *
- * @param root Root of the Program Structure generated by this Javadoc run.
- */
- public void setOptions(RootDoc root) throws DocletAbortException {
- String[][] options = root.options();
- Configuration.root = root;
- packages = root.specifiedPackages();
- Arrays.sort(packages);
- for (int oi = 0; oi < options.length; ++oi) {
- String[] os = options[oi];
- String opt = os[0].toLowerCase();
- if (opt.equals("-d")) {
- destdirname = addTrailingFileSep(os[1]);
- } else if (opt.equals("-docencoding")) {
- docencoding = os[1];
- } else if (opt.equals("-encoding")) {
- encoding = os[1];
- } else if (opt.equals("-author")) {
- showauthor = true;
- } else if (opt.equals("-version")) {
- showversion = true;
- } else if (opt.equals("-nodeprecated")) {
- nodeprecated = true;
- } else if (opt.equals("-xnodate")) {
- nodate = true;
- } else if (opt.equals("-sourcepath")) {
- sourcepath = os[1];
- } else if (opt.equals("-classpath") &&
- sourcepath.length() == 0) {
- sourcepath = os[1];
- }
- }
- if (sourcepath.length() == 0) {
- sourcepath = System.getProperty("env.class.path");
- }
- if (docencoding == null) {
- docencoding = encoding;
- }
-
- setSpecificDocletOptions(root);
- HtmlDocWriter.configuration = this;
- }
-
- /**
- * Add a traliling file separator, if not found or strip off extra trailing
- * file separators if any.
- *
- * @param path Path under consideration.
- * @return String Properly constructed path string.
- */
- String addTrailingFileSep(String path) {
- String fs = System.getProperty("file.separator");
- String dblfs = fs + fs;
- int indexDblfs;
- while ((indexDblfs = path.indexOf(dblfs)) >= 0) {
- path = path.substring(0, indexDblfs) +
- path.substring(indexDblfs + fs.length());
- }
- if (!path.endsWith(fs))
- path += fs;
- return path;
- }
-
- /**
- * Returns the "length" of a given option. If an option takes no
- * arguments, its length is one. If it takes one argument, it's
- * length is two, and so on. This method is called by JavaDoc to
- * parse the options it does not recognize. It then calls
- * {@link #validOptions(String[][], DocErrorReporter)} to validate them.
- * <b>Note:</b><br>
- * The options arrive as case-sensitive strings. For options that
- * are not case-sensitive, use toLowerCase() on the option string
- * before comparing it.
- * </blockquote>
- *
- * @return number of arguments + 1 for a option. Zero return means
- * option not known. Negative value means error occurred.
- */
- public int optionLength(String option) {
- option = option.toLowerCase();
- if (option.equals("-version") ||
- option.equals("-nodeprecated") ||
- option.equals("-author") ||
- option.equals("-xnodate")) {
- return 1;
- } else if (option.equals("-docencoding") ||
- option.equals("-encoding") ||
- option.equals("-sourcepath") ||
- option.equals("-d")) {
- return 2;
- } else {
- return specificDocletOptionLength(option);
- }
- }
-
- /**
- * After parsing the available options using {@link #optionLength(String)},
- * JavaDoc invokes this method with an array of options-arrays, where
- * the first item in any array is the option, and subsequent items in
- * that array are its arguments. So, if -print is an option that takes
- * no arguments, and -copies is an option that takes 1 argument, then
- * <pre>
- * -print -copies 3
- * </pre>
- * produces an array of arrays that looks like:
- * <pre>
- * option[0][0] = -print
- * option[1][0] = -copies
- * option[1][1] = 3
- * </pre>
- * (By convention, command line switches start with a "-", but
- * they don't have to.)
- * This method is not required to be written by sub-classes and will
- * default gracefully (to true) if absent.
- * <P>
- * Printing option related error messages (using the provided
- * DocErrorReporter) is the responsibility of this method.
- *
- * @param options Options used on the command line.
- * @param reporter Error reporter to be used.
- * @return true if all the options are valid.
- */
- public boolean validOptions(String options[][],
- DocErrorReporter reporter) {
- boolean docencodingfound = false;
- String encoding = "";
- for (int oi = 0; oi < options.length; oi++) {
- String[] os = options[oi];
- String opt = os[0].toLowerCase();
- if (opt.equals("-d")) {
- String dd = os[1];
- File destDir = new File(dd);
- if (!destDir.exists()) {
- reporter.printError(message.getText(
- "doclet.destination_directory_not_found_0",
- destDir.getPath()));
- return false;
- } else if (!destDir.isDirectory()) {
- reporter.printError(message.getText(
- "doclet.destination_directory_not_directory_0",
- destDir.getPath()));
- return false;
- } else if (!destDir.canWrite()) {
- reporter.printError(message.getText(
- "doclet.destination_directory_not_writable_0",
- destDir.getPath()));
- return false;
- }
- } else if (opt.equals("-docencoding")) {
- docencodingfound = true;
- if (!checkOutputFileEncoding(os[1], reporter)) {
- return false;
- }
- } else if (opt.equals("-encoding")) {
- encoding = os[1];
- }
- }
- if (!docencodingfound && encoding.length() > 0) {
- if (!checkOutputFileEncoding(encoding, reporter)) {
- return false;
- }
- }
- return specificDocletValidOptions(options, reporter);
- }
-
- /**
- * Check the validity of the given Source or Output File encoding on this
- * platform.
- *
- * @param docencoding Output file encoding.
- * @param reporter Error reporter object.
- */
- protected boolean checkOutputFileEncoding(String docencoding,
- DocErrorReporter reporter) {
- OutputStream ost= new ByteArrayOutputStream();
- OutputStreamWriter osw = null;
- try {
- osw = new OutputStreamWriter(ost, docencoding);
- } catch (UnsupportedEncodingException exc) {
- reporter.printError(message.getText(
- "doclet.Encoding_not_supported", docencoding));
- return false;
- } finally {
- try {
- if (osw != null) {
- osw.close();
- }
- } catch (IOException exc) {
- }
- }
- return true;
- }
-
- }
-
-
-