/* * Copyright (c) 1994, 2010, 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 sun.net.www;import java.io.*;import java.util.Calendar;import java.util.Date;import java.text.SimpleDateFormat;import java.net.URL;import java.net.FileNameMap;import java.util.Hashtable;import java.util.Enumeration;import java.util.Properties;import java.util.StringTokenizer; public class MimeTable implements FileNameMap { /** Keyed by content type, returns MimeEntries */ private Hashtable<String, MimeEntry> entries = new Hashtable<String, MimeEntry>(); /** Keyed by file extension (with the .), returns MimeEntries */ private Hashtable<String, MimeEntry> extensionMap = new Hashtable<String, MimeEntry>(); // Will be reset if in the platform-specific data file private static String tempFileTemplate; static { java.security.AccessController.doPrivileged( new java.security.PrivilegedAction<Void>() { public Void run() { tempFileTemplate = System.getProperty("content.types.temp.file.template", "/tmp/%s"); mailcapLocations = new String[] { System.getProperty("user.mailcap"), System.getProperty("user.home") + "/.mailcap", "/etc/mailcap", "/usr/etc/mailcap", "/usr/local/etc/mailcap", System.getProperty("hotjava.home", "/usr/local/hotjava") + "/lib/mailcap", }; return null; } }); } private static final String filePreamble = "sun.net.www MIME content-types table"; private static final String fileMagic = "#" + filePreamble; MimeTable() { load(); } private static class DefaultInstanceHolder { static final MimeTable defaultInstance = getDefaultInstance(); static MimeTable getDefaultInstance() { return java.security.AccessController.doPrivileged( new java.security.PrivilegedAction<MimeTable>() { public MimeTable run() { MimeTable instance = new MimeTable(); URLConnection.setFileNameMap(instance); return instance; } }); } } /** * Get the single instance of this class. First use will load the * table from a data file. */ public static MimeTable getDefaultTable() { return DefaultInstanceHolder.defaultInstance; } /** * */ public static FileNameMap loadTable() { MimeTable mt = getDefaultTable(); return (FileNameMap)mt; } public synchronized int getSize() { return entries.size(); } public synchronized String getContentTypeFor(String fileName) { MimeEntry entry = findByFileName(fileName); if (entry != null) { return entry.getType(); } else { return null; } } public synchronized void add(MimeEntry m) { entries.put(m.getType(), m); String exts[] = m.getExtensions(); if (exts == null) { return; } for (int i = 0; i < exts.length; i++) { extensionMap.put(exts[i], m); } } public synchronized MimeEntry remove(String type) { MimeEntry entry = entries.get(type); return remove(entry); } public synchronized MimeEntry remove(MimeEntry entry) { String[] extensionKeys = entry.getExtensions(); if (extensionKeys != null) { for (int i = 0; i < extensionKeys.length; i++) { extensionMap.remove(extensionKeys[i]); } } return entries.remove(entry.getType()); } public synchronized MimeEntry find(String type) { MimeEntry entry = entries.get(type); if (entry == null) { // try a wildcard lookup Enumeration<MimeEntry> e = entries.elements(); while (e.hasMoreElements()) { MimeEntry wild = e.nextElement(); if (wild.matches(type)) { return wild; } } } return entry; } /** * Locate a MimeEntry by the file extension that has been associated * with it. Parses general file names, and URLs. */ public MimeEntry findByFileName(String fname) { String ext = ""; int i = fname.lastIndexOf('#'); if (i > 0) { fname = fname.substring(0, i - 1); } i = fname.lastIndexOf('.'); // REMIND: OS specific delimters appear here i = Math.max(i, fname.lastIndexOf('/')); i = Math.max(i, fname.lastIndexOf('?')); if (i != -1 && fname.charAt(i) == '.') { ext = fname.substring(i).toLowerCase(); } return findByExt(ext); } /** * Locate a MimeEntry by the file extension that has been associated * with it. */ public synchronized MimeEntry findByExt(String fileExtension) { return extensionMap.get(fileExtension); } public synchronized MimeEntry findByDescription(String description) { Enumeration<MimeEntry> e = elements(); while (e.hasMoreElements()) { MimeEntry entry = e.nextElement(); if (description.equals(entry.getDescription())) { return entry; } } // We failed, now try treating description as type return find(description); } String getTempFileTemplate() { return tempFileTemplate; } public synchronized Enumeration<MimeEntry> elements() { return entries.elements(); } // For backward compatibility -- mailcap format files // This is not currently used, but may in the future when we add ability // to read BOTH the properties format and the mailcap format. protected static String[] mailcapLocations; public synchronized void load() { Properties entries = new Properties(); File file = null; try { InputStream is; // First try to load the user-specific table, if it exists String userTablePath = System.getProperty("content.types.user.table"); if (userTablePath != null) { file = new File(userTablePath); if (!file.exists()) { // No user-table, try to load the default built-in table. file = new File(System.getProperty("java.home") + File.separator + "lib" + File.separator + "content-types.properties"); } } else { // No user table, try to load the default built-in table. file = new File(System.getProperty("java.home") + File.separator + "lib" + File.separator + "content-types.properties"); } is = new BufferedInputStream(new FileInputStream(file)); entries.load(is); is.close(); } catch (IOException e) { System.err.println("Warning: default mime table not found: " + file.getPath()); return; } parse(entries); } void parse(Properties entries) { // first, strip out the platform-specific temp file template String tempFileTemplate = (String)entries.get("temp.file.template"); if (tempFileTemplate != null) { entries.remove("temp.file.template"); this.tempFileTemplate = tempFileTemplate; } // now, parse the mime-type spec's Enumeration<?> types = entries.propertyNames(); while (types.hasMoreElements()) { String type = (String)types.nextElement(); String attrs = entries.getProperty(type); parse(type, attrs); } } // // Table format: // // <entry> ::= <table_tag> | <type_entry> // // <table_tag> ::= <table_format_version> | <temp_file_template> // // <type_entry> ::= <type_subtype_pair> '=' <type_attrs_list> // // <type_subtype_pair> ::= <type> '/' <subtype> // // <type_attrs_list> ::= <attr_value_pair> [ ';' <attr_value_pair> ]* // | [ <attr_value_pair> ]+ // // <attr_value_pair> ::= <attr_name> '=' <attr_value> // // <attr_name> ::= 'description' | 'action' | 'application' // | 'file_extensions' | 'icon' // // <attr_value> ::= <legal_char>* // // Embedded ';' in an <attr_value> are quoted with leading '\' . // // Interpretation of <attr_value> depends on the <attr_name> it is // associated with. // void parse(String type, String attrs) { MimeEntry newEntry = new MimeEntry(type); // REMIND handle embedded ';' and '|' and literal '"' StringTokenizer tokenizer = new StringTokenizer(attrs, ";"); while (tokenizer.hasMoreTokens()) { String pair = tokenizer.nextToken(); parse(pair, newEntry); } add(newEntry); } void parse(String pair, MimeEntry entry) { // REMIND add exception handling... String name = null; String value = null; boolean gotName = false; StringTokenizer tokenizer = new StringTokenizer(pair, "="); while (tokenizer.hasMoreTokens()) { if (gotName) { value = tokenizer.nextToken().trim(); } else { name = tokenizer.nextToken().trim(); gotName = true; } } fill(entry, name, value); } void fill(MimeEntry entry, String name, String value) { if ("description".equalsIgnoreCase(name)) { entry.setDescription(value); } else if ("action".equalsIgnoreCase(name)) { entry.setAction(getActionCode(value)); } else if ("application".equalsIgnoreCase(name)) { entry.setCommand(value); } else if ("icon".equalsIgnoreCase(name)) { entry.setImageFileName(value); } else if ("file_extensions".equalsIgnoreCase(name)) { entry.setExtensions(value); } // else illegal name exception } String[] getExtensions(String list) { StringTokenizer tokenizer = new StringTokenizer(list, ","); int n = tokenizer.countTokens(); String[] extensions = new String[n]; for (int i = 0; i < n; i++) { extensions[i] = tokenizer.nextToken(); } return extensions; } int getActionCode(String action) { for (int i = 0; i < MimeEntry.actionKeywords.length; i++) { if (action.equalsIgnoreCase(MimeEntry.actionKeywords[i])) { return i; } } return MimeEntry.UNKNOWN; } public synchronized boolean save(String filename) { if (filename == null) { filename = System.getProperty("user.home" + File.separator + "lib" + File.separator + "content-types.properties"); } return saveAsProperties(new File(filename)); } public Properties getAsProperties() { Properties properties = new Properties(); Enumeration<MimeEntry> e = elements(); while (e.hasMoreElements()) { MimeEntry entry = e.nextElement(); properties.put(entry.getType(), entry.toProperty()); } return properties; } protected boolean saveAsProperties(File file) { FileOutputStream os = null; try { os = new FileOutputStream(file); Properties properties = getAsProperties(); properties.put("temp.file.template", tempFileTemplate); String tag; String user = System.getProperty("user.name"); if (user != null) { tag = "; customized for " + user; properties.save(os, filePreamble + tag); } else { properties.save(os, filePreamble); } } catch (IOException e) { e.printStackTrace(); return false; } finally { if (os != null) { try { os.close(); } catch (IOException e) {} } } return true; } /* * Debugging utilities * public void list(PrintStream out) { Enumeration keys = entries.keys(); while (keys.hasMoreElements()) { String key = (String)keys.nextElement(); MimeEntry entry = (MimeEntry)entries.get(key); out.println(key + ": " + entry); } } public static void main(String[] args) { MimeTable testTable = MimeTable.getDefaultTable(); Enumeration e = testTable.elements(); while (e.hasMoreElements()) { MimeEntry entry = (MimeEntry)e.nextElement(); System.out.println(entry); } testTable.save(File.separator + "tmp" + File.separator + "mime_table.save"); } */}
/*
* Copyright (c) 1994, 2010, 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 sun.net.www;
import java.io.*;
import java.util.Calendar;
import java.util.Date;
import java.text.SimpleDateFormat;
import java.net.URL;
import java.net.FileNameMap;
import java.util.Hashtable;
import java.util.Enumeration;
import java.util.Properties;
import java.util.StringTokenizer;
public class MimeTable implements FileNameMap {
/** Keyed by content type, returns MimeEntries */
private Hashtable<String, MimeEntry> entries
= new Hashtable<String, MimeEntry>();
/** Keyed by file extension (with the .), returns MimeEntries */
private Hashtable<String, MimeEntry> extensionMap
= new Hashtable<String, MimeEntry>();
// Will be reset if in the platform-specific data file
private static String tempFileTemplate;
static {
java.security.AccessController.doPrivileged(
new java.security.PrivilegedAction<Void>() {
public Void run() {
tempFileTemplate =
System.getProperty("content.types.temp.file.template",
"/tmp/%s");
mailcapLocations = new String[] {
System.getProperty("user.mailcap"),
System.getProperty("user.home") + "/.mailcap",
"/etc/mailcap",
"/usr/etc/mailcap",
"/usr/local/etc/mailcap",
System.getProperty("hotjava.home",
"/usr/local/hotjava")
+ "/lib/mailcap",
};
return null;
}
});
}
private static final String filePreamble = "sun.net.www MIME content-types table";
private static final String fileMagic = "#" + filePreamble;
MimeTable() {
load();
}
private static class DefaultInstanceHolder {
static final MimeTable defaultInstance = getDefaultInstance();
static MimeTable getDefaultInstance() {
return java.security.AccessController.doPrivileged(
new java.security.PrivilegedAction<MimeTable>() {
public MimeTable run() {
MimeTable instance = new MimeTable();
URLConnection.setFileNameMap(instance);
return instance;
}
});
}
}
/**
* Get the single instance of this class. First use will load the
* table from a data file.
*/
public static MimeTable getDefaultTable() {
return DefaultInstanceHolder.defaultInstance;
}
/**
*
*/
public static FileNameMap loadTable() {
MimeTable mt = getDefaultTable();
return (FileNameMap)mt;
}
public synchronized int getSize() {
return entries.size();
}
public synchronized String getContentTypeFor(String fileName) {
MimeEntry entry = findByFileName(fileName);
if (entry != null) {
return entry.getType();
} else {
return null;
}
}
public synchronized void add(MimeEntry m) {
entries.put(m.getType(), m);
String exts[] = m.getExtensions();
if (exts == null) {
return;
}
for (int i = 0; i < exts.length; i++) {
extensionMap.put(exts[i], m);
}
}
public synchronized MimeEntry remove(String type) {
MimeEntry entry = entries.get(type);
return remove(entry);
}
public synchronized MimeEntry remove(MimeEntry entry) {
String[] extensionKeys = entry.getExtensions();
if (extensionKeys != null) {
for (int i = 0; i < extensionKeys.length; i++) {
extensionMap.remove(extensionKeys[i]);
}
}
return entries.remove(entry.getType());
}
public synchronized MimeEntry find(String type) {
MimeEntry entry = entries.get(type);
if (entry == null) {
// try a wildcard lookup
Enumeration<MimeEntry> e = entries.elements();
while (e.hasMoreElements()) {
MimeEntry wild = e.nextElement();
if (wild.matches(type)) {
return wild;
}
}
}
return entry;
}
/**
* Locate a MimeEntry by the file extension that has been associated
* with it. Parses general file names, and URLs.
*/
public MimeEntry findByFileName(String fname) {
String ext = "";
int i = fname.lastIndexOf('#');
if (i > 0) {
fname = fname.substring(0, i - 1);
}
i = fname.lastIndexOf('.');
// REMIND: OS specific delimters appear here
i = Math.max(i, fname.lastIndexOf('/'));
i = Math.max(i, fname.lastIndexOf('?'));
if (i != -1 && fname.charAt(i) == '.') {
ext = fname.substring(i).toLowerCase();
}
return findByExt(ext);
}
/**
* Locate a MimeEntry by the file extension that has been associated
* with it.
*/
public synchronized MimeEntry findByExt(String fileExtension) {
return extensionMap.get(fileExtension);
}
public synchronized MimeEntry findByDescription(String description) {
Enumeration<MimeEntry> e = elements();
while (e.hasMoreElements()) {
MimeEntry entry = e.nextElement();
if (description.equals(entry.getDescription())) {
return entry;
}
}
// We failed, now try treating description as type
return find(description);
}
String getTempFileTemplate() {
return tempFileTemplate;
}
public synchronized Enumeration<MimeEntry> elements() {
return entries.elements();
}
// For backward compatibility -- mailcap format files
// This is not currently used, but may in the future when we add ability
// to read BOTH the properties format and the mailcap format.
protected static String[] mailcapLocations;
public synchronized void load() {
Properties entries = new Properties();
File file = null;
try {
InputStream is;
// First try to load the user-specific table, if it exists
String userTablePath =
System.getProperty("content.types.user.table");
if (userTablePath != null) {
file = new File(userTablePath);
if (!file.exists()) {
// No user-table, try to load the default built-in table.
file = new File(System.getProperty("java.home") +
File.separator +
"lib" +
File.separator +
"content-types.properties");
}
}
else {
// No user table, try to load the default built-in table.
file = new File(System.getProperty("java.home") +
File.separator +
"lib" +
File.separator +
"content-types.properties");
}
is = new BufferedInputStream(new FileInputStream(file));
entries.load(is);
is.close();
}
catch (IOException e) {
System.err.println("Warning: default mime table not found: " +
file.getPath());
return;
}
parse(entries);
}
void parse(Properties entries) {
// first, strip out the platform-specific temp file template
String tempFileTemplate = (String)entries.get("temp.file.template");
if (tempFileTemplate != null) {
entries.remove("temp.file.template");
this.tempFileTemplate = tempFileTemplate;
}
// now, parse the mime-type spec's
Enumeration<?> types = entries.propertyNames();
while (types.hasMoreElements()) {
String type = (String)types.nextElement();
String attrs = entries.getProperty(type);
parse(type, attrs);
}
}
//
// Table format:
//
// <entry> ::= <table_tag> | <type_entry>
//
// <table_tag> ::= <table_format_version> | <temp_file_template>
//
// <type_entry> ::= <type_subtype_pair> '=' <type_attrs_list>
//
// <type_subtype_pair> ::= <type> '/' <subtype>
//
// <type_attrs_list> ::= <attr_value_pair> [ ';' <attr_value_pair> ]*
// | [ <attr_value_pair> ]+
//
// <attr_value_pair> ::= <attr_name> '=' <attr_value>
//
// <attr_name> ::= 'description' | 'action' | 'application'
// | 'file_extensions' | 'icon'
//
// <attr_value> ::= <legal_char>*
//
// Embedded ';' in an <attr_value> are quoted with leading '\' .
//
// Interpretation of <attr_value> depends on the <attr_name> it is
// associated with.
//
void parse(String type, String attrs) {
MimeEntry newEntry = new MimeEntry(type);
// REMIND handle embedded ';' and '|' and literal '"'
StringTokenizer tokenizer = new StringTokenizer(attrs, ";");
while (tokenizer.hasMoreTokens()) {
String pair = tokenizer.nextToken();
parse(pair, newEntry);
}
add(newEntry);
}
void parse(String pair, MimeEntry entry) {
// REMIND add exception handling...
String name = null;
String value = null;
boolean gotName = false;
StringTokenizer tokenizer = new StringTokenizer(pair, "=");
while (tokenizer.hasMoreTokens()) {
if (gotName) {
value = tokenizer.nextToken().trim();
}
else {
name = tokenizer.nextToken().trim();
gotName = true;
}
}
fill(entry, name, value);
}
void fill(MimeEntry entry, String name, String value) {
if ("description".equalsIgnoreCase(name)) {
entry.setDescription(value);
}
else if ("action".equalsIgnoreCase(name)) {
entry.setAction(getActionCode(value));
}
else if ("application".equalsIgnoreCase(name)) {
entry.setCommand(value);
}
else if ("icon".equalsIgnoreCase(name)) {
entry.setImageFileName(value);
}
else if ("file_extensions".equalsIgnoreCase(name)) {
entry.setExtensions(value);
}
// else illegal name exception
}
String[] getExtensions(String list) {
StringTokenizer tokenizer = new StringTokenizer(list, ",");
int n = tokenizer.countTokens();
String[] extensions = new String[n];
for (int i = 0; i < n; i++) {
extensions[i] = tokenizer.nextToken();
}
return extensions;
}
int getActionCode(String action) {
for (int i = 0; i < MimeEntry.actionKeywords.length; i++) {
if (action.equalsIgnoreCase(MimeEntry.actionKeywords[i])) {
return i;
}
}
return MimeEntry.UNKNOWN;
}
public synchronized boolean save(String filename) {
if (filename == null) {
filename = System.getProperty("user.home" +
File.separator +
"lib" +
File.separator +
"content-types.properties");
}
return saveAsProperties(new File(filename));
}
public Properties getAsProperties() {
Properties properties = new Properties();
Enumeration<MimeEntry> e = elements();
while (e.hasMoreElements()) {
MimeEntry entry = e.nextElement();
properties.put(entry.getType(), entry.toProperty());
}
return properties;
}
protected boolean saveAsProperties(File file) {
FileOutputStream os = null;
try {
os = new FileOutputStream(file);
Properties properties = getAsProperties();
properties.put("temp.file.template", tempFileTemplate);
String tag;
String user = System.getProperty("user.name");
if (user != null) {
tag = "; customized for " + user;
properties.save(os, filePreamble + tag);
}
else {
properties.save(os, filePreamble);
}
}
catch (IOException e) {
e.printStackTrace();
return false;
}
finally {
if (os != null) {
try { os.close(); } catch (IOException e) {}
}
}
return true;
}
/*
* Debugging utilities
*
public void list(PrintStream out) {
Enumeration keys = entries.keys();
while (keys.hasMoreElements()) {
String key = (String)keys.nextElement();
MimeEntry entry = (MimeEntry)entries.get(key);
out.println(key + ": " + entry);
}
}
public static void main(String[] args) {
MimeTable testTable = MimeTable.getDefaultTable();
Enumeration e = testTable.elements();
while (e.hasMoreElements()) {
MimeEntry entry = (MimeEntry)e.nextElement();
System.out.println(entry);
}
testTable.save(File.separator + "tmp" +
File.separator + "mime_table.save");
}
*/
}