--- old/src/java.activation/share/classes/com/sun/activation/registries/MailcapFile.java 2018-01-30 20:15:53.000000000 -0500 +++ /dev/null 2018-01-30 20:15:53.000000000 -0500 @@ -1,563 +0,0 @@ -/* - * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This code is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 only, as - * published by the Free Software Foundation. Oracle designates this - * particular file as subject to the "Classpath" exception as provided - * by Oracle in the LICENSE file that accompanied this code. - * - * This code is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - */ - -package com.sun.activation.registries; - -import java.io.*; -import java.util.*; - -public class MailcapFile { - - /** - * A Map indexed by MIME type (string) that references - * a Map of commands for each type. The comand Map - * is indexed by the command name and references a List of - * class names (strings) for each command. - */ - private Map type_hash = new HashMap(); - - /** - * Another Map like above, but for fallback entries. - */ - private Map fallback_hash = new HashMap(); - - /** - * A Map indexed by MIME type (string) that references - * a List of native commands (string) corresponding to the type. - */ - private Map native_commands = new HashMap(); - - private static boolean addReverse = false; - - static { - try { - addReverse = Boolean.getBoolean("javax.activation.addreverse"); - } catch (Throwable t) { - // ignore any errors - } - } - - /** - * The constructor that takes a filename as an argument. - * - * @param new_fname The file name of the mailcap file. - */ - public MailcapFile(String new_fname) throws IOException { - if (LogSupport.isLoggable()) - LogSupport.log("new MailcapFile: file " + new_fname); - FileReader reader = null; - try { - reader = new FileReader(new_fname); - parse(new BufferedReader(reader)); - } finally { - if (reader != null) { - try { - reader.close(); - } catch (IOException ex) { } - } - } - } - - /** - * The constructor that takes an input stream as an argument. - * - * @param is the input stream - */ - public MailcapFile(InputStream is) throws IOException { - if (LogSupport.isLoggable()) - LogSupport.log("new MailcapFile: InputStream"); - parse(new BufferedReader(new InputStreamReader(is, "iso-8859-1"))); - } - - /** - * Mailcap file default constructor. - */ - public MailcapFile() { - if (LogSupport.isLoggable()) - LogSupport.log("new MailcapFile: default"); - } - - /** - * Get the Map of MailcapEntries based on the MIME type. - * - *

- * Semantics: First check for the literal mime type, - * if that fails looks for wildcard /\* and return that. Return the - * list of all that hit. - */ - public Map getMailcapList(String mime_type) { - Map search_result = null; - Map wildcard_result = null; - - // first try the literal - search_result = (Map)type_hash.get(mime_type); - - // ok, now try the wildcard - int separator = mime_type.indexOf('/'); - String subtype = mime_type.substring(separator + 1); - if (!subtype.equals("*")) { - String type = mime_type.substring(0, separator + 1) + "*"; - wildcard_result = (Map)type_hash.get(type); - - if (wildcard_result != null) { // damn, we have to merge!!! - if (search_result != null) - search_result = - mergeResults(search_result, wildcard_result); - else - search_result = wildcard_result; - } - } - return search_result; - } - - /** - * Get the Map of fallback MailcapEntries based on the MIME type. - * - *

- * Semantics: First check for the literal mime type, - * if that fails looks for wildcard /\* and return that. Return the - * list of all that hit. - */ - public Map getMailcapFallbackList(String mime_type) { - Map search_result = null; - Map wildcard_result = null; - - // first try the literal - search_result = (Map)fallback_hash.get(mime_type); - - // ok, now try the wildcard - int separator = mime_type.indexOf('/'); - String subtype = mime_type.substring(separator + 1); - if (!subtype.equals("*")) { - String type = mime_type.substring(0, separator + 1) + "*"; - wildcard_result = (Map)fallback_hash.get(type); - - if (wildcard_result != null) { // damn, we have to merge!!! - if (search_result != null) - search_result = - mergeResults(search_result, wildcard_result); - else - search_result = wildcard_result; - } - } - return search_result; - } - - /** - * Return all the MIME types known to this mailcap file. - */ - public String[] getMimeTypes() { - Set types = new HashSet(type_hash.keySet()); - types.addAll(fallback_hash.keySet()); - types.addAll(native_commands.keySet()); - String[] mts = new String[types.size()]; - mts = (String[])types.toArray(mts); - return mts; - } - - /** - * Return all the native comands for the given MIME type. - */ - public String[] getNativeCommands(String mime_type) { - String[] cmds = null; - List v = - (List)native_commands.get(mime_type.toLowerCase(Locale.ENGLISH)); - if (v != null) { - cmds = new String[v.size()]; - cmds = (String[])v.toArray(cmds); - } - return cmds; - } - - /** - * Merge the first hash into the second. - * This merge will only effect the hashtable that is - * returned, we don't want to touch the one passed in since - * its integrity must be maintained. - */ - private Map mergeResults(Map first, Map second) { - Iterator verb_enum = second.keySet().iterator(); - Map clonedHash = new HashMap(first); - - // iterate through the verbs in the second map - while (verb_enum.hasNext()) { - String verb = (String)verb_enum.next(); - List cmdVector = (List)clonedHash.get(verb); - if (cmdVector == null) { - clonedHash.put(verb, second.get(verb)); - } else { - // merge the two - List oldV = (List)second.get(verb); - cmdVector = new ArrayList(cmdVector); - cmdVector.addAll(oldV); - clonedHash.put(verb, cmdVector); - } - } - return clonedHash; - } - - /** - * appendToMailcap: Append to this Mailcap DB, use the mailcap - * format: - * Comment == "# comment string - * Entry == "mimetype; javabeanclass - * - * Example: - * # this is a comment - * image/gif jaf.viewers.ImageViewer - */ - public void appendToMailcap(String mail_cap) { - if (LogSupport.isLoggable()) - LogSupport.log("appendToMailcap: " + mail_cap); - try { - parse(new StringReader(mail_cap)); - } catch (IOException ex) { - // can't happen - } - } - - /** - * parse file into a hash table of MC Type Entry Obj - */ - private void parse(Reader reader) throws IOException { - BufferedReader buf_reader = new BufferedReader(reader); - String line = null; - String continued = null; - - while ((line = buf_reader.readLine()) != null) { - // LogSupport.log("parsing line: " + line); - - line = line.trim(); - - try { - if (line.charAt(0) == '#') - continue; - if (line.charAt(line.length() - 1) == '\\') { - if (continued != null) - continued += line.substring(0, line.length() - 1); - else - continued = line.substring(0, line.length() - 1); - } else if (continued != null) { - // handle the two strings - continued = continued + line; - // LogSupport.log("parse: " + continued); - try { - parseLine(continued); - } catch (MailcapParseException e) { - //e.printStackTrace(); - } - continued = null; - } - else { - // LogSupport.log("parse: " + line); - try { - parseLine(line); - // LogSupport.log("hash.size = " + type_hash.size()); - } catch (MailcapParseException e) { - //e.printStackTrace(); - } - } - } catch (StringIndexOutOfBoundsException e) {} - } - } - - /** - * A routine to parse individual entries in a Mailcap file. - * - * Note that this routine does not handle line continuations. - * They should have been handled prior to calling this routine. - */ - protected void parseLine(String mailcapEntry) - throws MailcapParseException, IOException { - MailcapTokenizer tokenizer = new MailcapTokenizer(mailcapEntry); - tokenizer.setIsAutoquoting(false); - - if (LogSupport.isLoggable()) - LogSupport.log("parse: " + mailcapEntry); - // parse the primary type - int currentToken = tokenizer.nextToken(); - if (currentToken != MailcapTokenizer.STRING_TOKEN) { - reportParseError(MailcapTokenizer.STRING_TOKEN, currentToken, - tokenizer.getCurrentTokenValue()); - } - String primaryType = - tokenizer.getCurrentTokenValue().toLowerCase(Locale.ENGLISH); - String subType = "*"; - - // parse the '/' between primary and sub - // if it's not present that's ok, we just don't have a subtype - currentToken = tokenizer.nextToken(); - if ((currentToken != MailcapTokenizer.SLASH_TOKEN) && - (currentToken != MailcapTokenizer.SEMICOLON_TOKEN)) { - reportParseError(MailcapTokenizer.SLASH_TOKEN, - MailcapTokenizer.SEMICOLON_TOKEN, currentToken, - tokenizer.getCurrentTokenValue()); - } - - // only need to look for a sub type if we got a '/' - if (currentToken == MailcapTokenizer.SLASH_TOKEN) { - // parse the sub type - currentToken = tokenizer.nextToken(); - if (currentToken != MailcapTokenizer.STRING_TOKEN) { - reportParseError(MailcapTokenizer.STRING_TOKEN, - currentToken, tokenizer.getCurrentTokenValue()); - } - subType = - tokenizer.getCurrentTokenValue().toLowerCase(Locale.ENGLISH); - - // get the next token to simplify the next step - currentToken = tokenizer.nextToken(); - } - - String mimeType = primaryType + "/" + subType; - - if (LogSupport.isLoggable()) - LogSupport.log(" Type: " + mimeType); - - // now setup the commands hashtable - Map commands = new LinkedHashMap(); // keep commands in order found - - // parse the ';' that separates the type from the parameters - if (currentToken != MailcapTokenizer.SEMICOLON_TOKEN) { - reportParseError(MailcapTokenizer.SEMICOLON_TOKEN, - currentToken, tokenizer.getCurrentTokenValue()); - } - // eat it - - // parse the required view command - tokenizer.setIsAutoquoting(true); - currentToken = tokenizer.nextToken(); - tokenizer.setIsAutoquoting(false); - if ((currentToken != MailcapTokenizer.STRING_TOKEN) && - (currentToken != MailcapTokenizer.SEMICOLON_TOKEN)) { - reportParseError(MailcapTokenizer.STRING_TOKEN, - MailcapTokenizer.SEMICOLON_TOKEN, currentToken, - tokenizer.getCurrentTokenValue()); - } - - if (currentToken == MailcapTokenizer.STRING_TOKEN) { - // have a native comand, save the entire mailcap entry - //String nativeCommand = tokenizer.getCurrentTokenValue(); - List v = (List)native_commands.get(mimeType); - if (v == null) { - v = new ArrayList(); - v.add(mailcapEntry); - native_commands.put(mimeType, v); - } else { - // XXX - check for duplicates? - v.add(mailcapEntry); - } - } - - // only have to get the next token if the current one isn't a ';' - if (currentToken != MailcapTokenizer.SEMICOLON_TOKEN) { - currentToken = tokenizer.nextToken(); - } - - // look for a ';' which will indicate whether - // a parameter list is present or not - if (currentToken == MailcapTokenizer.SEMICOLON_TOKEN) { - boolean isFallback = false; - do { - // eat the ';' - - // parse the parameter name - currentToken = tokenizer.nextToken(); - if (currentToken != MailcapTokenizer.STRING_TOKEN) { - reportParseError(MailcapTokenizer.STRING_TOKEN, - currentToken, tokenizer.getCurrentTokenValue()); - } - String paramName = tokenizer.getCurrentTokenValue(). - toLowerCase(Locale.ENGLISH); - - // parse the '=' which separates the name from the value - currentToken = tokenizer.nextToken(); - if ((currentToken != MailcapTokenizer.EQUALS_TOKEN) && - (currentToken != MailcapTokenizer.SEMICOLON_TOKEN) && - (currentToken != MailcapTokenizer.EOI_TOKEN)) { - reportParseError(MailcapTokenizer.EQUALS_TOKEN, - MailcapTokenizer.SEMICOLON_TOKEN, - MailcapTokenizer.EOI_TOKEN, - currentToken, tokenizer.getCurrentTokenValue()); - } - - // we only have a useful command if it is named - if (currentToken == MailcapTokenizer.EQUALS_TOKEN) { - // eat it - - // parse the parameter value (which is autoquoted) - tokenizer.setIsAutoquoting(true); - currentToken = tokenizer.nextToken(); - tokenizer.setIsAutoquoting(false); - if (currentToken != MailcapTokenizer.STRING_TOKEN) { - reportParseError(MailcapTokenizer.STRING_TOKEN, - currentToken, tokenizer.getCurrentTokenValue()); - } - String paramValue = - tokenizer.getCurrentTokenValue(); - - // add the class to the list iff it is one we care about - if (paramName.startsWith("x-java-")) { - String commandName = paramName.substring(7); - // 7 == "x-java-".length - - if (commandName.equals("fallback-entry") && - paramValue.equalsIgnoreCase("true")) { - isFallback = true; - } else { - - // setup the class entry list - if (LogSupport.isLoggable()) - LogSupport.log(" Command: " + commandName + - ", Class: " + paramValue); - List classes = (List)commands.get(commandName); - if (classes == null) { - classes = new ArrayList(); - commands.put(commandName, classes); - } - if (addReverse) - classes.add(0, paramValue); - else - classes.add(paramValue); - } - } - - // set up the next iteration - currentToken = tokenizer.nextToken(); - } - } while (currentToken == MailcapTokenizer.SEMICOLON_TOKEN); - - Map masterHash = isFallback ? fallback_hash : type_hash; - Map curcommands = - (Map)masterHash.get(mimeType); - if (curcommands == null) { - masterHash.put(mimeType, commands); - } else { - if (LogSupport.isLoggable()) - LogSupport.log("Merging commands for type " + mimeType); - // have to merge current and new commands - // first, merge list of classes for commands already known - Iterator cn = curcommands.keySet().iterator(); - while (cn.hasNext()) { - String cmdName = (String)cn.next(); - List ccv = (List)curcommands.get(cmdName); - List cv = (List)commands.get(cmdName); - if (cv == null) - continue; - // add everything in cv to ccv, if it's not already there - Iterator cvn = cv.iterator(); - while (cvn.hasNext()) { - String clazz = (String)cvn.next(); - if (!ccv.contains(clazz)) - if (addReverse) - ccv.add(0, clazz); - else - ccv.add(clazz); - } - } - // now, add commands not previously known - cn = commands.keySet().iterator(); - while (cn.hasNext()) { - String cmdName = (String)cn.next(); - if (curcommands.containsKey(cmdName)) - continue; - List cv = (List)commands.get(cmdName); - curcommands.put(cmdName, cv); - } - } - } else if (currentToken != MailcapTokenizer.EOI_TOKEN) { - reportParseError(MailcapTokenizer.EOI_TOKEN, - MailcapTokenizer.SEMICOLON_TOKEN, - currentToken, tokenizer.getCurrentTokenValue()); - } - } - - protected static void reportParseError(int expectedToken, int actualToken, - String actualTokenValue) throws MailcapParseException { - throw new MailcapParseException("Encountered a " + - MailcapTokenizer.nameForToken(actualToken) + " token (" + - actualTokenValue + ") while expecting a " + - MailcapTokenizer.nameForToken(expectedToken) + " token."); - } - - protected static void reportParseError(int expectedToken, - int otherExpectedToken, int actualToken, String actualTokenValue) - throws MailcapParseException { - throw new MailcapParseException("Encountered a " + - MailcapTokenizer.nameForToken(actualToken) + " token (" + - actualTokenValue + ") while expecting a " + - MailcapTokenizer.nameForToken(expectedToken) + " or a " + - MailcapTokenizer.nameForToken(otherExpectedToken) + " token."); - } - - protected static void reportParseError(int expectedToken, - int otherExpectedToken, int anotherExpectedToken, int actualToken, - String actualTokenValue) throws MailcapParseException { - if (LogSupport.isLoggable()) - LogSupport.log("PARSE ERROR: " + "Encountered a " + - MailcapTokenizer.nameForToken(actualToken) + " token (" + - actualTokenValue + ") while expecting a " + - MailcapTokenizer.nameForToken(expectedToken) + ", a " + - MailcapTokenizer.nameForToken(otherExpectedToken) + ", or a " + - MailcapTokenizer.nameForToken(anotherExpectedToken) + " token."); - throw new MailcapParseException("Encountered a " + - MailcapTokenizer.nameForToken(actualToken) + " token (" + - actualTokenValue + ") while expecting a " + - MailcapTokenizer.nameForToken(expectedToken) + ", a " + - MailcapTokenizer.nameForToken(otherExpectedToken) + ", or a " + - MailcapTokenizer.nameForToken(anotherExpectedToken) + " token."); - } - - /** for debugging - public static void main(String[] args) throws Exception { - Map masterHash = new HashMap(); - for (int i = 0; i < args.length; ++i) { - System.out.println("Entry " + i + ": " + args[i]); - parseLine(args[i], masterHash); - } - - Enumeration types = masterHash.keys(); - while (types.hasMoreElements()) { - String key = (String)types.nextElement(); - System.out.println("MIME Type: " + key); - - Map commandHash = (Map)masterHash.get(key); - Enumeration commands = commandHash.keys(); - while (commands.hasMoreElements()) { - String command = (String)commands.nextElement(); - System.out.println(" Command: " + command); - - Vector classes = (Vector)commandHash.get(command); - for (int i = 0; i < classes.size(); ++i) { - System.out.println(" Class: " + - (String)classes.elementAt(i)); - } - } - - System.out.println(""); - } - } - */ -}