--- /dev/null
+/*
+ * Copyright © 2016 Keith Packard <keithp@keithp.com>
+ *
+ * This program 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; version 2 of the License.
+ *
+ * This program 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 this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+package org.altusmetrum.altoslib_11;
+
+import java.io.*;
+import java.util.*;
+import java.text.*;
+
+public class AltosHashSet extends Hashtable<String,String> {
+ private StringWriter writer;
+
+ static private int get(StringReader reader) throws IOException {
+ return reader.read();
+ }
+
+ static private String get_token(StringReader reader) throws IOException {
+ int c = get(reader);
+
+ if (c == -1)
+ return null;
+
+ ArrayList<Integer> chars = new ArrayList<Integer>();
+
+ for (;;) {
+ chars.add(c);
+ c = get(reader);
+ if (c == -1 || c == ';')
+ break;
+ if (c == '\\')
+ c = get(reader);
+ }
+ int[] ch = new int[chars.size()];
+ for (int i = 0; i < ch.length; i++)
+ ch[i] = chars.get(i);
+ return new String(ch, 0, ch.length);
+ }
+
+ static private void put(StringWriter writer, int c) throws IOException {
+ writer.write(c);
+ }
+
+ static private void put_token(StringWriter writer, String token) throws IOException {
+ for (int i = 0; i < token.length(); i++) {
+ int c = token.codePointAt(i);
+
+ switch (c) {
+ case ';':
+ case '\\':
+ put(writer, '\\');
+ }
+ put(writer, c);
+ }
+ put(writer, ';');
+ }
+
+ public String toString() {
+ try {
+ StringWriter writer = new StringWriter();
+
+ for (String key : keySet()) {
+ String value = get(key);
+ put_token(writer, key);
+ put_token(writer, value);
+ }
+ return writer.toString();
+ } catch (IOException ie) {
+ return null;
+ }
+ }
+
+ public void putInt(String key, int value) {
+ put(key, Integer.toString(value));
+ }
+
+ public int getInt(String key, int def) {
+ String value = get(key);
+
+ if (value == null)
+ return def;
+ try {
+ return AltosParse.parse_int(value);
+ } catch (ParseException pe) {
+ return def;
+ }
+ }
+
+ public void putDouble(String key, double value) {
+ put(key, AltosParse.format_double_net(value));
+ }
+
+ public double getDouble(String key, double def) {
+ String value = get(key);
+
+ if (value == null)
+ return def;
+ try {
+ return AltosParse.parse_double_net(value);
+ } catch (ParseException pe) {
+ return def;
+ }
+ }
+
+ public String getString(String key, String def) {
+ String value = get(key);
+
+ if (value == null)
+ return def;
+ return value;
+ }
+
+ public void putString(String key, String value) {
+ put(key, value);
+ }
+
+ public AltosHashSet (String string) throws IOException {
+ StringReader reader = new StringReader(string);
+ String key, value;
+
+ for (;;) {
+ key = get_token(reader);
+ value = get_token(reader);
+ if (key == null || value == null)
+ break;
+ put(key, value);
+ }
+ }
+
+ public AltosHashSet() {
+ }
+
+ static public AltosHashSet[] array(String string) throws IOException {
+
+ if (string == null)
+ return null;
+
+ StringReader reader = new StringReader(string);
+ ArrayList<AltosHashSet> array = new ArrayList<AltosHashSet>();
+ String element;
+
+ while ((element = get_token(reader)) != null)
+ array.add(new AltosHashSet(element));
+ return array.toArray(new AltosHashSet[0]);
+ }
+
+ static public String toString(AltosHashSet[] sets) throws IOException {
+
+ if (sets == null)
+ return null;
+
+ StringWriter writer = new StringWriter();
+
+ for (AltosHashSet h : sets) {
+ String element = h.toString();
+ put_token(writer, element);
+ }
+ return writer.toString();
+ }
+}
public final static String frequency_count = "COUNT";
public final static String frequency_format = "FREQUENCY-%d";
public final static String description_format = "DESCRIPTION-%d";
- public final static String frequenciesPreference = "FREQUENCIES";
+ public final static String frequenciesPreference = "FREQUENCIES-1";
/* Units preference */
AltosFrequency[] frequencies = null;
- frequencies = (AltosFrequency[]) backend.getSerializable(frequenciesPreference, null);
+ try {
+ AltosHashSet[] sets = AltosHashSet.array(backend.getString(frequenciesPreference,null));
+ if (sets != null) {
+ frequencies = new AltosFrequency[sets.length];
+ for (int i = 0; i < frequencies.length; i++)
+ frequencies[i] = new AltosFrequency(sets[i]);
+ }
+
+ } catch (IOException ie) {
+ frequencies = null;
+ }
if (frequencies == null) {
if (backend.nodeExists(common_frequencies_node_name)) {
return frequencies;
}
+ public static void save_common_frequencies() {
+ try {
+ AltosHashSet[] sets = new AltosHashSet[common_frequencies.length];
+ for (int i = 0; i < sets.length; i++)
+ sets[i] = common_frequencies[i].hashSet();
+ backend.putString(frequenciesPreference, AltosHashSet.toString(sets));
+ } catch (IOException ie) {
+ }
+ flush_preferences();
+ }
+
public static int launcher_serial;
public static int launcher_channel;
public static void set_common_frequencies(AltosFrequency[] frequencies) {
synchronized(backend) {
common_frequencies = frequencies;
- backend.putSerializable(frequenciesPreference, frequencies);
- flush_preferences();
+
+ save_common_frequencies();
}
}
projects / fw / altos / commitdiff