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Java Source | 1999-09-19 | 10.2 KB | 273 lines |
- /*
- * @(#)Group.java 1.6 98/09/09
- *
- * 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.standard;
-
- import com.sun.tools.doclets.*;
- import com.sun.javadoc.*;
- import java.util.*;
-
- /**
- * Process and manage grouping of packages, as specified by "-group" option on
- * the command line.
- * <p>
- * For example, if user has used "-group option as
- * -group "Core Packages" "java.*" -group "CORBA Packages" "org.omg.*", then
- * the packages specified on the command line will be grouped according to their
- * names starting with either "java." or "org.omg.". All the other packages
- * which do not fall in the user given groups, are grouped in default group,
- * named as either "Other Packages" or "Packages" depending upon if "-group"
- * option used or not at all used respectively.
- * </p>
- * <p>
- * Also the packages are grouped according to the longest possible match of
- * their names with the grouping information provided. For example, if there
- * are two groups, like -group "Lang" "java.lang" and -group "Core" "java.*",
- * will put the package java.lang in the group "Lang" and not in group "Core".
- * </p>
- *
- * @author Atul M Dambalkar
- */
- public class Group {
-
- /**
- * Map of regular expressions with the corresponding group name.
- */
- private static Map regExpGroupMap = new HashMap();
-
- /**
- * List of regular expressions sorted according to the length. Regular
- * expression with longest length will be first in the sorted order.
- */
- private static List sortedRegExpList = new ArrayList();
-
- /**
- * List of group names in the same order as given on the command line.
- */
- private static List groupList = new ArrayList();
-
- /**
- * Map of non-regular expressions(possible package names) with the
- * corresponding group name.
- */
- private static Map pkgNameGroupMap = new HashMap();
-
- /**
- * Since we need to sort the keys in the reverse order(longest key first),
- * the compare method in the implementing class is doing the reverse
- * comparison.
- */
- private static class MapKeyComparator implements Comparator {
- public int compare(Object key1, Object key2) {
- return ((String)key2).length() - ((String)key1).length();
- }
- }
-
- /**
- * Depending upon the format of the package name provided in the "-group"
- * option, generate two separate maps. There will be a map for mapping
- * regular expression(only meta character allowed is '*' and that is at the
- * end of the regular expression) on to the group name. And another map
- * for mapping (possible) package names(if the name format doesen't contain
- * meta character '*', then it is assumed to be a package name) on to the
- * group name. This will also sort all the regular expressions found in the
- * reverse order of their lengths, i.e. longest regular expression will be
- * first in the sorted list.
- *
- * @param groupname The name of the group from -group option.
- * @param pkgNameFormList List of the package name formats.
- * @param reporter Error reporter object.
- */
- public static boolean checkPackageGroups(String groupname,
- String pkgNameFormList,
- DocErrorReporter reporter) {
- StringTokenizer strtok = new StringTokenizer(pkgNameFormList, ":");
- if (groupList.contains(groupname)) {
- reporter.printError(getText("doclet.Groupname_already_used",
- groupname));
- return false;
- }
- groupList.add(groupname);
- while (strtok.hasMoreTokens()) {
- String id = strtok.nextToken();
- if (id.length() == 0) {
- reporter.printError(getText("doclet.Error_in_packagelist",
- groupname, pkgNameFormList));
- return false;
- }
- if (id.endsWith("*")) {
- id = id.substring(0, id.length() - 1);
- if (foundGroupFormat(regExpGroupMap, id, reporter)) {
- return false;
- }
- regExpGroupMap.put(id, groupname);
- sortedRegExpList.add(id);
- } else {
- if (foundGroupFormat(pkgNameGroupMap, id, reporter)) {
- return false;
- }
- pkgNameGroupMap.put(id, groupname);
- }
- }
- Collections.sort(sortedRegExpList, new MapKeyComparator());
- return true;
- }
-
- /**
- * Search if the given map has given the package format.
- *
- * @return true if package name format found in the map, else false.
- * @param map Map to be searched.
- * @param pkgFormat The pacakge format to search.
- * @param reporter Error reporter object.
- */
- static boolean foundGroupFormat(Map map, String pkgFormat,
- DocErrorReporter reporter) {
- if (map.containsKey(pkgFormat)) {
- reporter.printError(getText("doclet.Same_package_name_used",
- pkgFormat));
- return true;
- }
- return false;
- }
-
- /**
- * This is needed since Arrays.asList() raises
- * UnSupportedOperationException.
- */
- static List asList(Object[] arr) {
- List list = new ArrayList();
- for (int i = 0; i < arr.length; i++) {
- list.add(arr[i]);
- }
- return list;
- }
-
- /**
- * Group the packages according the grouping information provided on the
- * command line. Given a list of packages, search each package name in
- * regular expression map as well as package name map to get the
- * corresponding group name. Create another map with mapping of group name
- * to the package list, which will fall under the specified group. If any
- * package doesen't belong to any specified group on the comamnd line, then
- * a new group named "Other Packages" will be created for it. If there are
- * no groups found, in other words if "-group" option is not at all used,
- * then all the packages will be grouped under group "Packages".
- *
- * @param packages Packages specified on the command line.
- */
- public static Map groupPackages(PackageDoc[] packages) {
- Map groupPackageMap = new HashMap();
- String defaultGroupName =
- (pkgNameGroupMap.isEmpty() && regExpGroupMap.isEmpty())?
- getText("doclet.Packages") :
- getText("doclet.Other_Packages");
- // if the user has not used the default group name, add it
- if (!groupList.contains(defaultGroupName)) {
- groupList.add(defaultGroupName);
- }
- for (int i = 0; i < packages.length; i++) {
- PackageDoc pkg = packages[i];
- String pkgName = pkg.name();
- String groupName = (String)pkgNameGroupMap.get(pkgName);
- // if this package is not explictly assigned to a group,
- // try matching it to group specified by regular expression
- if (groupName == null) {
- groupName = regExpGroupName(pkgName);
- }
- // if it is in neither group map, put it in the default
- // group
- if (groupName == null) {
- groupName = defaultGroupName;
- }
- getPkgList(groupPackageMap, groupName).add(pkg);
- }
- return groupPackageMap;
- }
-
- /**
- * Search for package name in the sorted regular expression
- * list, if found return the group name. If not, return null.
- *
- * @param pkgName Name of package to be found in the regular
- * expression list.
- */
- static String regExpGroupName(String pkgName) {
- for (int j = 0; j < sortedRegExpList.size(); j++) {
- String regexp = (String)sortedRegExpList.get(j);
- if (pkgName.startsWith(regexp)) {
- return (String)regExpGroupMap.get(regexp);
- }
- }
- return null;
- }
-
- /**
- * For the given group name, return the package list, on which it is mapped.
- * Create a new list, if not found.
- *
- * @param map Map to be searched for gorup name.
- * @param groupname Group name to search.
- */
- static List getPkgList(Map map, String groupname) {
- List list = (List)map.get(groupname);
- if (list == null) {
- list = new ArrayList();
- map.put(groupname, list);
- }
- return list;
- }
-
- /**
- * Return the list of groups, in the same order as specified on the command
- * line.
- */
- public static List getGroupList() {
- return groupList;
- }
-
- /**
- * Retireve the message string from the resource bundle.
- *
- * @param text Key for the resource message string.
- * @param arg1 Argument to be substituted in the resource message string.
- * @param arg2 Argument to be substituted in the resource message string.
- */
- private static String getText(String text, String arg1, String arg2) {
- return Standard.configuration().standardmessage.getText(text,
- arg1, arg2);
- }
-
- /**
- * Retireve the message string from the resource bundle.
- *
- * @param text Key for the resource message string.
- * @param arg Argument to be substituted in the resource message string.
- */
- private static String getText(String text, String arg) {
- return Standard.configuration().standardmessage.getText(text, arg);
- }
-
- /**
- * Retireve the message string from the resource bundle.
- *
- * @param text Key for the resource message string.
- */
- private static String getText(String text) {
- return Standard.configuration().standardmessage.getText(text);
- }
- }
-
-
-