Commit 63640075 by Michael Koch Committed by Michael Koch

FileBasedFactory.java, [...]: New files, all merged from classpath.

2003-02-13  Michael Koch  <konqueror@gmx.de>

	* gnu/java/util/prefs/FileBasedFactory.java,
	gnu/java/util/prefs/MemmoryBasedFactory.java,
	gnu/java/util/prefs/MemoryBasedPreferences.java,
	gnu/java/util/prefs/NodeReader.java,
	gnu/java/util/prefs/NodeWriter.java,
	java/util/prefs/AbstractPreferences.java,
	java/util/prefs/BackingStoreException.java,
	java/util/prefs/InvalidPreferencesFormatException.java,
	java/util/prefs/NodeChangeEvent.java,
	java/util/prefs/NodeChangeListener.java,
	java/util/prefs/PreferenceChangeEvent.java,
	java/util/prefs/PreferenceChangeListener.java,
	java/util/prefs/Preferences.java,
	java/util/prefs/PreferencesFactory.java:
	New files, all merged from classpath.
	* Makefile.am
	(ordinary_java_source_files): Added the following files:
	gnu/java/util/prefs/FileBasedFactory.java,
	gnu/java/util/prefs/MemmoryBasedFactory.java,
	gnu/java/util/prefs/MemoryBasedPreferences.java,
	gnu/java/util/prefs/NodeReader.java,
	gnu/java/util/prefs/NodeWriter.java,
	(core_java_source_files): Added the following files:
	java/util/prefs/AbstractPreferences.java,
	java/util/prefs/BackingStoreException.java,
	java/util/prefs/InvalidPreferencesFormatException.java,
	java/util/prefs/NodeChangeEvent.java,
	java/util/prefs/NodeChangeListener.java,
	java/util/prefs/PreferenceChangeEvent.java,
	java/util/prefs/PreferenceChangeListener.java,
	java/util/prefs/Preferences.java,
	java/util/prefs/PreferencesFactory.java
	* Makefile.in: Regenerated.

From-SVN: r62827
parent 31aef004
2003-02-13 Michael Koch <konqueror@gmx.de>
* gnu/java/util/prefs/FileBasedFactory.java,
gnu/java/util/prefs/MemmoryBasedFactory.java,
gnu/java/util/prefs/MemoryBasedPreferences.java,
gnu/java/util/prefs/NodeReader.java,
gnu/java/util/prefs/NodeWriter.java,
java/util/prefs/AbstractPreferences.java,
java/util/prefs/BackingStoreException.java,
java/util/prefs/InvalidPreferencesFormatException.java,
java/util/prefs/NodeChangeEvent.java,
java/util/prefs/NodeChangeListener.java,
java/util/prefs/PreferenceChangeEvent.java,
java/util/prefs/PreferenceChangeListener.java,
java/util/prefs/Preferences.java,
java/util/prefs/PreferencesFactory.java:
New files, all merged from classpath.
* Makefile.am
(ordinary_java_source_files): Added the following files:
gnu/java/util/prefs/FileBasedFactory.java,
gnu/java/util/prefs/MemmoryBasedFactory.java,
gnu/java/util/prefs/MemoryBasedPreferences.java,
gnu/java/util/prefs/NodeReader.java,
gnu/java/util/prefs/NodeWriter.java,
(core_java_source_files): Added the following files:
java/util/prefs/AbstractPreferences.java,
java/util/prefs/BackingStoreException.java,
java/util/prefs/InvalidPreferencesFormatException.java,
java/util/prefs/NodeChangeEvent.java,
java/util/prefs/NodeChangeListener.java,
java/util/prefs/PreferenceChangeEvent.java,
java/util/prefs/PreferenceChangeListener.java,
java/util/prefs/Preferences.java,
java/util/prefs/PreferencesFactory.java
* Makefile.in: Regenerated.
2003-02-13 Michael Koch <konqueror@gmx.de>
* java/net/NetPermission.java
(NetPermission): Make doucmentation match the method declaration.
......
......@@ -1855,6 +1855,15 @@ java/util/TreeSet.java \
java/util/TooManyListenersException.java \
java/util/Vector.java \
java/util/WeakHashMap.java \
java/util/prefs/NodeChangeListener.java \
java/util/prefs/Preferences.java \
java/util/prefs/PreferenceChangeListener.java \
java/util/prefs/NodeChangeEvent.java \
java/util/prefs/InvalidPreferencesFormatException.java \
java/util/prefs/AbstractPreferences.java \
java/util/prefs/BackingStoreException.java \
java/util/prefs/PreferenceChangeEvent.java \
java/util/prefs/PreferencesFactory.java \
java/util/regex/Matcher.java \
java/util/regex/Pattern.java \
java/util/regex/PatternSyntaxException.java
......@@ -2075,6 +2084,11 @@ gnu/java/text/SentenceBreakIterator.java \
gnu/java/text/WordBreakIterator.java \
gnu/java/util/DoubleEnumeration.java \
gnu/java/util/EmptyEnumeration.java \
gnu/java/util/prefs/MemoryBasedFactory.java \
gnu/java/util/prefs/NodeReader.java \
gnu/java/util/prefs/MemoryBasedPreferences.java \
gnu/java/util/prefs/FileBasedFactory.java \
gnu/java/util/prefs/NodeWriter.java \
java/lang/ref/PhantomReference.java \
java/lang/ref/Reference.java \
java/lang/ref/ReferenceQueue.java \
......
......@@ -1620,6 +1620,15 @@ java/util/TreeSet.java \
java/util/TooManyListenersException.java \
java/util/Vector.java \
java/util/WeakHashMap.java \
java/util/prefs/NodeChangeListener.java \
java/util/prefs/Preferences.java \
java/util/prefs/PreferenceChangeListener.java \
java/util/prefs/NodeChangeEvent.java \
java/util/prefs/InvalidPreferencesFormatException.java \
java/util/prefs/AbstractPreferences.java \
java/util/prefs/BackingStoreException.java \
java/util/prefs/PreferenceChangeEvent.java \
java/util/prefs/PreferencesFactory.java \
java/util/regex/Matcher.java \
java/util/regex/Pattern.java \
java/util/regex/PatternSyntaxException.java
......@@ -1835,6 +1844,11 @@ gnu/java/text/SentenceBreakIterator.java \
gnu/java/text/WordBreakIterator.java \
gnu/java/util/DoubleEnumeration.java \
gnu/java/util/EmptyEnumeration.java \
gnu/java/util/prefs/MemoryBasedFactory.java \
gnu/java/util/prefs/NodeReader.java \
gnu/java/util/prefs/MemoryBasedPreferences.java \
gnu/java/util/prefs/FileBasedFactory.java \
gnu/java/util/prefs/NodeWriter.java \
java/lang/ref/PhantomReference.java \
java/lang/ref/Reference.java \
java/lang/ref/ReferenceQueue.java \
......@@ -2912,7 +2926,12 @@ DEP_FILES = .deps/$(srcdir)/$(CONVERT_DIR)/gen-from-JIS.P \
.deps/gnu/java/text/SentenceBreakIterator.P \
.deps/gnu/java/text/WordBreakIterator.P \
.deps/gnu/java/util/DoubleEnumeration.P \
.deps/gnu/java/util/EmptyEnumeration.P .deps/interpret.P \
.deps/gnu/java/util/EmptyEnumeration.P \
.deps/gnu/java/util/prefs/FileBasedFactory.P \
.deps/gnu/java/util/prefs/MemoryBasedFactory.P \
.deps/gnu/java/util/prefs/MemoryBasedPreferences.P \
.deps/gnu/java/util/prefs/NodeReader.P \
.deps/gnu/java/util/prefs/NodeWriter.P .deps/interpret.P \
.deps/java/applet/Applet.P .deps/java/applet/AppletContext.P \
.deps/java/applet/AppletStub.P .deps/java/applet/AudioClip.P \
.deps/java/awt/AWTError.P .deps/java/awt/AWTEvent.P \
......@@ -3604,6 +3623,15 @@ DEP_FILES = .deps/$(srcdir)/$(CONVERT_DIR)/gen-from-JIS.P \
.deps/java/util/jar/JarInputStream.P \
.deps/java/util/jar/JarOutputStream.P .deps/java/util/jar/Manifest.P \
.deps/java/util/natResourceBundle.P .deps/java/util/natTimeZone.P \
.deps/java/util/prefs/AbstractPreferences.P \
.deps/java/util/prefs/BackingStoreException.P \
.deps/java/util/prefs/InvalidPreferencesFormatException.P \
.deps/java/util/prefs/NodeChangeEvent.P \
.deps/java/util/prefs/NodeChangeListener.P \
.deps/java/util/prefs/PreferenceChangeEvent.P \
.deps/java/util/prefs/PreferenceChangeListener.P \
.deps/java/util/prefs/Preferences.P \
.deps/java/util/prefs/PreferencesFactory.P \
.deps/java/util/regex/Matcher.P .deps/java/util/regex/Pattern.P \
.deps/java/util/regex/PatternSyntaxException.P \
.deps/java/util/zip/Adler32.P .deps/java/util/zip/CRC32.P \
......
/* FileBasedFactory - Default Classpath implementation of a PreferencesFactory
Copyright (C) 2001 Free Software Foundation, Inc.
This file is part of GNU Classpath.
GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Classpath 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 for more details.
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA.
Linking this library statically or dynamically with other modules is
making a combined work based on this library. Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module. An independent module is a module which is not derived from
or based on this library. If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so. If you do not wish to do so, delete this
exception statement from your version. */
package gnu.java.util.prefs;
import java.util.prefs.*;
/**
* Default Classpath implementation of a PreferencesFactory.
* Returns system and user root Preferences nodes that are read from files.
*
* @author Mark Wielaard (mark@klomp.org)
*/
public class FileBasedFactory implements PreferencesFactory {
public Preferences systemRoot() {
return null;
}
public Preferences userRoot() {
return null;
}
}
/* MemoryBasedFactory - Memory based PreferencesFactory usefull for testing
Copyright (C) 2001 Free Software Foundation, Inc.
This file is part of GNU Classpath.
GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Classpath 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 for more details.
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA.
Linking this library statically or dynamically with other modules is
making a combined work based on this library. Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module. An independent module is a module which is not derived from
or based on this library. If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so. If you do not wish to do so, delete this
exception statement from your version. */
package gnu.java.util.prefs;
import java.util.prefs.*;
/**
* Memory based PreferencesFactory usefull for testing.
* Returns completely empty Preferences for system and user roots.
* All changes are only backed by the current instances in memory.
*
* @author Mark Wielaard (mark@klomp.org)
*/
public class MemoryBasedFactory implements PreferencesFactory {
// Static fields containing the preferences root nodes
private static final Preferences systemPreferences
= new MemoryBasedPreferences(null, "", false);
private static final Preferences userPreferences
= new MemoryBasedPreferences(null, "", true);
public Preferences systemRoot() {
return systemPreferences;
}
public Preferences userRoot() {
return userPreferences;
}
}
/* MemoryBasedPreferences - A Preference node which holds all entries in memory
Copyright (C) 2001 Free Software Foundation, Inc.
This file is part of GNU Classpath.
GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Classpath 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 for more details.
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA.
Linking this library statically or dynamically with other modules is
making a combined work based on this library. Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module. An independent module is a module which is not derived from
or based on this library. If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so. If you do not wish to do so, delete this
exception statement from your version. */
package gnu.java.util.prefs;
import java.util.HashMap;
import java.util.prefs.*;
/**
* A Preference node which holds all entries in memory
*
* @author Mark Wielaard (mark@klomp.org)
*/
public class MemoryBasedPreferences extends AbstractPreferences {
/** True if this is a preference node in the user tree, false otherwise. */
private final boolean isUser;
/** Contains all the preference entries of this node. */
private HashMap entries = new HashMap();
/**
* Creates a new preferences node with the given name and parent.
* When isUser is true it will be user node otherwise it will be a system
* node. It will always set the <code>newNode</code> field to true
* since there is no real backing store, so all nodes are new.
*/
public MemoryBasedPreferences(MemoryBasedPreferences parent,
String name,
boolean isUser) {
super(parent, name);
this.isUser = isUser;
// Since we do not have a real backing store all nodes are new
newNode = true;
}
/**
* Returns true if this node was created as a user node.
*/
public boolean isUserNode() {
return isUser;
}
/**
* Returns an empty array since all children names are always already
* chached.
*/
protected String[] childrenNamesSpi() throws BackingStoreException {
return new String[0];
}
/**
* Returns a new node with the given name with as parent this node and
* with the <code>isUser</code> flag set to the same value as this node.
*/
protected AbstractPreferences childSpi(String childName) {
return new MemoryBasedPreferences(this, childName, isUser);
}
/**
* Returns a (possibly empty) array of keys of the preferences entries of
* this node.
*/
protected String[] keysSpi() throws BackingStoreException {
return (String[]) entries.keySet().toArray(new String[entries.size()]);
}
/**
* Returns the associated value from this nodes preferences entries or
* null when the key has not been set.
*/
protected String getSpi(String key) {
return (String) entries.get(key);
}
/**
* Sets the value for the given key.
*/
protected void putSpi(String key, String value) {
entries.put(key, value);
}
/**
* Removes the entry with the given key.
*/
protected void removeSpi(String key) {
entries.remove(key);
}
/**
* Does nothing since we do not have any backing store.
*/
protected void flushSpi() {
}
/**
* Does nothing since we do not have any backing store.
*/
protected void syncSpi() {
}
/**
* Just removes the entries map of this node.
*/
protected void removeNodeSpi() {
entries = null;
}
}
/* NodeReader - Reads and imports preferences nodes from files
Copyright (C) 2001 Free Software Foundation, Inc.
This file is part of GNU Classpath.
GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Classpath 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 for more details.
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA.
Linking this library statically or dynamically with other modules is
making a combined work based on this library. Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module. An independent module is a module which is not derived from
or based on this library. If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so. If you do not wish to do so, delete this
exception statement from your version. */
package gnu.java.util.prefs;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.InputStream;
import java.io.IOException;
import java.io.Reader;
import java.util.prefs.*;
/**
* Reads and imports preferences nodes from files.
*
* @author Mark Wielaard (mark@klomp.org)
*/
public class NodeReader {
private final BufferedReader br;
private String line = "";
private final PreferencesFactory factory;
public NodeReader(Reader r, PreferencesFactory factory) {
if(r instanceof BufferedReader) {
br = (BufferedReader) r;
} else {
br = new BufferedReader(r);
}
this.factory = factory;
}
public NodeReader(InputStream is, PreferencesFactory factory) {
this(new InputStreamReader(is), factory);
}
public void importPreferences()
throws InvalidPreferencesFormatException, IOException
{
readPreferences();
}
private void readPreferences()
throws InvalidPreferencesFormatException, IOException
{
// Begin starting tag
skipTill("<preferences");
readRoot();
// Ending tag
skipTill("</preferences>");
}
private void readRoot()
throws InvalidPreferencesFormatException, IOException
{
// Begin starting tag
skipTill("<root");
// type attribute
skipTill("type=\"");
String type = readTill("\"");
Preferences root;
if ("user".equals(type)) {
root = factory.userRoot();
} else if ("system".equals(type)) {
root = factory.systemRoot();
} else {
throw new InvalidPreferencesFormatException("Unknown type: "
+ type);
}
// Read root map and subnodes
readMap(root);
readNodes(root);
// Ending tag
skipTill("</root>");
}
private void readNodes(Preferences node)
throws InvalidPreferencesFormatException, IOException
{
while ("node".equals(nextTag())) {
skipTill("<node");
skipTill("name=\"");
String name = readTill("\"");
Preferences subnode = node.node(name);
System.out.println("Found subnode: " + subnode.absolutePath());
readMap(subnode);
readNodes(subnode);
skipTill("</node>");
}
}
private void readMap(Preferences node)
throws InvalidPreferencesFormatException, IOException
{
// Begin map tag
skipTill("<map");
// Empty map?
if (line.startsWith("/>")) {
line = line.substring(2);
return;
}
// Map entries
readEntries(node);
// Ending tag
skipTill("</map>");
}
private void readEntries(Preferences node)
throws InvalidPreferencesFormatException, IOException
{
while ("entry".equals(nextTag())) {
skipTill("<entry");
skipTill("key=\"");
String key = readTill("\"");
skipTill("value=\"");
String value = readTill("\"");
System.out.println("Key: " + key + " Value: " + value);
node.put(key, value);
}
}
private void skipTill(String s)
throws InvalidPreferencesFormatException, IOException
{
while(true) {
if (line == null)
throw new InvalidPreferencesFormatException(s + " not found");
int index = line.indexOf(s);
if (index == -1) {
line = br.readLine();
} else {
line = line.substring(index+s.length());
return;
}
}
}
private String readTill(String s)
throws InvalidPreferencesFormatException
{
int index = line.indexOf(s);
if (index == -1)
throw new InvalidPreferencesFormatException(s + " not found");
String read = line.substring(0, index);
line = line.substring(index+s.length());
return read;
}
private String nextTag()
throws InvalidPreferencesFormatException, IOException
{
while(true) {
if (line == null)
throw new InvalidPreferencesFormatException("unexpected EOF");
int start = line.indexOf("<");
if (start == -1) {
line = br.readLine();
} else {
// Find end of tag
int end = start+1;
while (end != line.length()
&& " \t\r\n".indexOf(line.charAt(end)) == -1) {
end++;
}
// Line now starts at the found tag
String tag = line.substring(start+1,end);
line = line.substring(start);
return tag;
}
}
}
}
/* NodeWriter - Writes and exports preferences nodes to files
Copyright (C) 2001 Free Software Foundation, Inc.
This file is part of GNU Classpath.
GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Classpath 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 for more details.
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA.
Linking this library statically or dynamically with other modules is
making a combined work based on this library. Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module. An independent module is a module which is not derived from
or based on this library. If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so. If you do not wish to do so, delete this
exception statement from your version. */
package gnu.java.util.prefs;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.util.StringTokenizer;
import java.util.prefs.*;
/**
* Writes and exports preferences nodes to files
*
* @author Mark Wielaard (mark@klomp.org)
*/
public class NodeWriter {
/** The Preferences node to write. */
private final Preferences prefs;
/** The bufferedWriter to write the node to. */
private final BufferedWriter bw;
/**
* True if the complete sub tree should be written,
* false if only the node should be written.
*/
private boolean subtree;
/**
* Creates a new NodeWriter for the given preferences node and writer.
*/
public NodeWriter(Preferences prefs, Writer w) {
this.prefs = prefs;
if (w instanceof BufferedWriter) {
this.bw = (BufferedWriter) w;
} else {
this.bw = new BufferedWriter(w);
}
}
/**
* Creates a new NodeWriter for the given preferences node and
* outputstream. Creates a new OutputStreamWriter.
*/
public NodeWriter(Preferences prefs, OutputStream os) {
this(prefs, new OutputStreamWriter(os));
}
/**
* Writes the preference node plus the complete subtree.
*/
public void writePrefsTree() throws BackingStoreException, IOException {
subtree = true;
writeHeader();
writePreferences();
bw.flush();
}
/**
* Writes only the preference node.
*/
public void writePrefs() throws BackingStoreException, IOException {
subtree = false;
writeHeader();
writePreferences();
bw.flush();
}
/**
* Writes the standard header.
*/
private void writeHeader() throws BackingStoreException, IOException {
bw.write("<?xml version=\"1.0\"?>");
bw.newLine();
bw.newLine();
bw.write("<!-- GNU Classpath java.util.prefs Preferences ");
if (prefs.isUserNode()) {
bw.write("user");
} else {
bw.write("system");
}
// root node?
if (prefs.parent() == null) {
bw.write(" root");
}
if (subtree) {
bw.write(" tree");
} else {
bw.write(" node");
}
// no root?
if (prefs.parent() != null) {
bw.newLine();
bw.write(" '");
bw.write(prefs.absolutePath());
bw.write('\'');
bw.newLine();
}
bw.write(" -->");
bw.newLine();
bw.newLine();
}
/**
* Write the preferences tag and the root.
*/
private void writePreferences() throws BackingStoreException, IOException {
bw.write("<preferences>");
bw.newLine();
writeRoot();
bw.write("</preferences>");
bw.newLine();
}
private void writeRoot() throws BackingStoreException, IOException {
bw.write(" <root type=\"");
if (prefs.isUserNode()) {
bw.write("user");
} else {
bw.write("system");
}
bw.write("\"/>");
writeRootMap();
writeNode();
bw.write(" </root>");
bw.newLine();
}
private void writeRootMap() throws BackingStoreException, IOException {
// Is it a root node?
if(prefs.parent() == null && prefs.keys().length > 0) {
bw.newLine();
writeMap(prefs, 2);
} else {
bw.write("<map/>");
bw.newLine();
}
}
/**
* Writes all the parents of the preferences node without any entries.
* Returns the number of parents written, which has to be used as
* argument to <code>writeCloseParents()</code> after writing the node
* itself.
*/
private int writeParents() throws IOException {
int parents;
String path = prefs.absolutePath();
int lastslash = path.lastIndexOf("/");
if (lastslash > 0) {
path = path.substring(1, lastslash);
StringTokenizer st = new StringTokenizer(path);
parents = st.countTokens();
System.out.println("path: " + path);
System.out.println("parents: " + parents);
for (int i=0; i<parents; i++) {
String name = st.nextToken();
indent(i+2);
bw.write("<node name=\"" + name + "\">");
bw.write("<map/>");
bw.write("</node>");
bw.newLine();
}
} else {
parents = 0;
}
return parents;
}
private void writeCloseParents(int parents) throws IOException {
while(parents > 0) {
indent(parents+1);
bw.write("</node>");
bw.newLine();
parents--;
}
}
private void writeNode() throws BackingStoreException, IOException {
int parents = writeParents();
// root?
int indent;
if (prefs.parent() == null) {
indent = parents+1;
} else {
indent = parents+2;
}
writeNode(prefs, indent);
writeCloseParents(parents);
}
private void writeNode(Preferences node, int indent)
throws BackingStoreException, IOException
{
// not root?
if (node.parent() != null) {
indent(indent);
bw.write("<node name=\"" + node.name() + "\">");
if (node.keys().length > 0) {
bw.newLine();
}
writeMap(node, indent+1);
}
if (subtree) {
String[] children = node.childrenNames();
for (int i=0; i<children.length; i++) {
Preferences child = node.node(children[i]);
writeNode(child, indent+1);
}
}
// not root?
if (node.parent() != null) {
indent(indent);
bw.write("</node>");
bw.newLine();
}
}
private void writeMap(Preferences node, int indent)
throws BackingStoreException, IOException
{
// construct String used for indentation
StringBuffer indentBuffer = new StringBuffer(2*indent);
for (int i=0; i < indent; i++)
indentBuffer.append(" ");
String indentString = indentBuffer.toString();
if (node.keys().length > 0) {
bw.write(indentString);
bw.write("<map>");
bw.newLine();
writeEntries(node, indentString + " ");
bw.write(indentString);
bw.write("</map>");
} else {
bw.write("<map/>");
}
bw.newLine();
}
private void writeEntries(Preferences node, String indent)
throws BackingStoreException, IOException
{
String[] keys = node.keys();
for(int i = 0; i < keys.length; i++) {
String value = node.get(keys[i], null);
if (value == null) {
throw new BackingStoreException("null value for key '"
+ keys[i] + "'");
}
bw.write(indent);
bw.write("<entry key=\"" + keys[i] + "\""
+ " value=\"" + value + "\"/>");
bw.newLine();
}
}
private void indent(int x) throws IOException {
for (int i=0; i<x; i++) {
bw.write(" ");
}
}
}
/* BackingStoreException.java - chained exception thrown when backing store
fails
Copyright (C) 2001, 2002 Free Software Foundation, Inc.
This file is part of GNU Classpath.
GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Classpath 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 for more details.
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA.
Linking this library statically or dynamically with other modules is
making a combined work based on this library. Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module. An independent module is a module which is not derived from
or based on this library. If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so. If you do not wish to do so, delete this
exception statement from your version. */
package java.util.prefs;
import java.io.ObjectOutputStream;
import java.io.ObjectInputStream;
import java.io.NotSerializableException;
/**
* Chained exception thrown when backing store fails. This exception is
* only thrown from methods that actually have to access the backing store,
* such as <code>clear(), keys(), childrenNames(), nodeExists(), removeNode(),
* flush(), sync(), exportNode(), exportSubTree()</code>; normal operations
* do not throw BackingStoreExceptions.
*
* <p>Note that although this class inherits the Serializable interface, an
* attempt to serialize will fail with a <code>NotSerializableException</code>.
*
* @author Mark Wielaard <mark@klomp.org>
* @since 1.4
* @status updated to 1.4
*/
public class BackingStoreException extends Exception
{
static final long serialVersionUID = 859796500401108469L;
/**
* Creates a new exception with a descriptive message.
*
* @param message the message
*/
public BackingStoreException(String message)
{
super(message);
}
/**
* Create a new exception with the given cause.
*
* @param cause the cause
*/
public BackingStoreException(Throwable cause)
{
super(cause);
}
/**
* This class should not be serialized.
*
* @param o the output stream
*/
private void writeObject(ObjectOutputStream o) throws NotSerializableException
{
throw new NotSerializableException
("java.util.prefs.BackingStoreException");
}
/**
* This class should not be serialized.
*
* @param i the input stream
*/
private void readObject(ObjectInputStream i) throws NotSerializableException
{
throw new NotSerializableException
("java.util.prefs.BackingStoreException");
}
}
/* InvalidPreferencesFormatException - indicates reading prefs from stream
failed
Copyright (C) 2001, 2002 Free Software Foundation, Inc.
This file is part of GNU Classpath.
GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Classpath 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 for more details.
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA.
Linking this library statically or dynamically with other modules is
making a combined work based on this library. Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module. An independent module is a module which is not derived from
or based on this library. If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so. If you do not wish to do so, delete this
exception statement from your version. */
package java.util.prefs;
import java.io.ObjectOutputStream;
import java.io.ObjectInputStream;
import java.io.NotSerializableException;
/**
* Indicates reading prefs from stream failed. Thrown by the
* <code>importPreferences()</code> method when the supplied input stream
* could not be read because it was not in the correct XML format.
*
* <p>Note that although this class inherits the Serializable interface, an
* attempt to serialize will fail with a <code>NotSerializableException</code>.
*
* @author Mark Wielaard <mark@klomp.org>
* @see Preferences
* @since 1.4
* @status updated to 1.4
*/
public class InvalidPreferencesFormatException extends Exception
{
static final long serialVersionUID = -791715184232119669L;
/**
* Creates a new exception with a descriptive message. The cause remains
* uninitialized.
*
* @param message the message
*/
public InvalidPreferencesFormatException(String message)
{
super(message);
}
/**
* Creates a new exception with the given cause.
*
* @param cause the cause
*/
public InvalidPreferencesFormatException(Throwable cause)
{
super(cause);
}
/**
* Creates a new exception with a descriptive message and a cause.
*
* @param message the message
* @param cause the cause
*/
public InvalidPreferencesFormatException(String message, Throwable cause)
{
super(message, cause);
}
/**
* This class should not be serialized.
*
* @param o the output stream
*/
private void writeObject(ObjectOutputStream o) throws NotSerializableException
{
throw new NotSerializableException
("java.util.prefs.InvalidPreferencesFormatException");
}
/**
* This class should not be serialized.
*
* @param i the input stream
*/
private void readObject(ObjectInputStream i) throws NotSerializableException
{
throw new NotSerializableException
("java.util.prefs.InvalidPreferencesFormatException");
}
}
/* NodeChangeEvent - ObjectEvent fired when a Preference node is added/removed
Copyright (C) 2001 Free Software Foundation, Inc.
This file is part of GNU Classpath.
GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Classpath 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 for more details.
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA.
Linking this library statically or dynamically with other modules is
making a combined work based on this library. Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module. An independent module is a module which is not derived from
or based on this library. If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so. If you do not wish to do so, delete this
exception statement from your version. */
package java.util.prefs;
import java.util.EventObject;
/**
* ObjectEvent fired when a Preference node is added/removed.
* This event is only generated when a new subnode is added or a subnode is
* removed from a preference node. Changes in the entries of a preference node
* are indicated with a <code>PreferenceChangeEvent</code>.
*
* @since 1.4
* @author Mark Wielaard (mark@klomp.org)
*/
public class NodeChangeEvent extends EventObject {
private static final long serialVersionUID =8068949086596572957L;
/**
* The sub node that was added or removed.
* Defined transient just like <code>EventObject.source</code> since
* this object should be serializable, but Preferences is in general not
* serializable.
*/
private final transient Preferences child;
/**
* Creates a new NodeChangeEvent.
*
* @param parentNode The source preference node from which a subnode was
* added or removed
* @param childNode The preference node that was added or removed
*/
public NodeChangeEvent(Preferences parentNode, Preferences childNode) {
super(parentNode);
child = childNode;
}
/**
* Returns the source parent preference node from which a subnode was
* added or removed.
*/
public Preferences getParent() {
return (Preferences) source;
}
/**
* Returns the child preference subnode that was added or removed.
* To see wether it is still a valid preference node one has to call
* <code>event.getChild().nodeExists("")</code>.
*/
public Preferences getChild() {
return child;
}
}
/* NodeChangeListener - EventListener for Preferences node addition/removal
Copyright (C) 2001 Free Software Foundation, Inc.
This file is part of GNU Classpath.
GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Classpath 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 for more details.
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA.
Linking this library statically or dynamically with other modules is
making a combined work based on this library. Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module. An independent module is a module which is not derived from
or based on this library. If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so. If you do not wish to do so, delete this
exception statement from your version. */
package java.util.prefs;
import java.util.EventListener;
/**
* EventListener for Preferences node addition/removal.
* <p>
* Note that these events are only generated for the addition and removal
* of sub nodes from the preference node. Entry changes in the preference
* node can be monitored with a <code>PreferenceChangeListener</code>.
*
* @since 1.4
* @author Mark Wielaard (mark@klomp.org)
*/
public interface NodeChangeListener extends EventListener {
/**
* Fired when a sub node is added to the preference node.
*/
void childAdded(NodeChangeEvent event);
/**
* Fired when a sub node is removed from the preference node.
*/
void childRemoved(NodeChangeEvent event);
}
/* PreferenceChangeEvent - ObjectEvent fired when a Preferences entry changes
Copyright (C) 2001 Free Software Foundation, Inc.
This file is part of GNU Classpath.
GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Classpath 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 for more details.
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA.
Linking this library statically or dynamically with other modules is
making a combined work based on this library. Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module. An independent module is a module which is not derived from
or based on this library. If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so. If you do not wish to do so, delete this
exception statement from your version. */
package java.util.prefs;
import java.util.EventObject;
/**
* ObjectEvent fired when a Preferences entry changes.
* This event is generated when a entry is added, changed or removed.
* When an entry is removed then <code>getNewValue</code> will return null.
* <p>
* Preference change events are only generated for entries in one particular
* preference node. Notification of subnode addition/removal is given by a
* <code>NodeChangeEvent</code>.
*
* @since 1.4
* @author Mark Wielaard (mark@klomp.org)
*/
public class PreferenceChangeEvent extends EventObject {
private static final long serialVersionUID = 793724513368024975L;
/**
* The key of the changed entry.
*/
private final String key;
/**
* The new value of the changed entry, or null when the entry was removed.
*/
private final String newValue;
/**
* Creates a new PreferenceChangeEvent.
*
* @param node The source preference node for which an entry was added,
* changed or removed
* @param key The key of the entry that was added, changed or removed
* @param value The new value of the entry that was added or changed, or
* null when the entry was removed
*/
public PreferenceChangeEvent(Preferences node, String key, String value) {
super(node);
this.key = key;
this.newValue = value;
}
/**
* Returns the source Preference node from which an entry was added,
* changed or removed.
*/
public Preferences getNode() {
return (Preferences) source;
}
/**
* Returns the key of the entry that was added, changed or removed.
*/
public String getKey() {
return key;
}
/**
* Returns the new value of the entry that was added or changed, or
* returns null when the entry was removed.
*/
public String getNewValue() {
return newValue;
}
}
/* PreferenceChangeListener - EventListener for Preferences entry changes
Copyright (C) 2001 Free Software Foundation, Inc.
This file is part of GNU Classpath.
GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Classpath 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 for more details.
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA.
Linking this library statically or dynamically with other modules is
making a combined work based on this library. Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module. An independent module is a module which is not derived from
or based on this library. If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so. If you do not wish to do so, delete this
exception statement from your version. */
package java.util.prefs;
import java.util.EventListener;
/**
* EventListener for Preferences entry addition, change or removal.
* <p>
* Preference change events are only generated for entries in one particular
* preference node. Notification of subnode addition/removal can be monitored
* with a <code>NodeChangeListener</code>.
*
* @since 1.4
* @author Mark Wielaard (mark@klomp.org)
*/
public interface PreferenceChangeListener extends EventListener {
/**
* Fired when a entry has been added, changed or removed from the
* preference node.
*/
void preferenceChange(PreferenceChangeEvent event);
}
/* PreferencesFactory - Preferences system and user root factory interface
Copyright (C) 2001 Free Software Foundation, Inc.
This file is part of GNU Classpath.
GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Classpath 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 for more details.
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA.
Linking this library statically or dynamically with other modules is
making a combined work based on this library. Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module. An independent module is a module which is not derived from
or based on this library. If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so. If you do not wish to do so, delete this
exception statement from your version. */
package java.util.prefs;
import java.util.EventListener;
/**
* Preferences system and user root factory interface. Defines how to get
* to the system and user root preferences objects. Should be implemented by
* new preferences backends.
*
* @since 1.4
* @author Mark Wielaard (mark@klomp.org)
*/
public interface PreferencesFactory {
/**
* Returns the system root preferences node. Should always return the
* same object.
*/
Preferences systemRoot();
/**
* Returns the user root preferences node. May return different objects
* depending on the user that called this method. The user may for example
* be determined by the current Thread or the Subject associated with the
* current AccessControllContext.
*/
Preferences userRoot();
}
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