mirror of
https://github.com/AppleCommander/AppleCommander.git
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292afd24c9
Fixed all instances of warnings OpenJDK finds with -Xlint:unchecked. Merging this will at least result in a dependency on JDK 1.5 or later that I'm pretty sure of. But since the only JDKs that are really safe to use these days are versions 1.8 and 9, that's probably okay. No promises that this will make modern SWT work or anything, but it's probably at least a beginnig toward that as well.
100 lines
2.9 KiB
Java
100 lines
2.9 KiB
Java
/*
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* AppleCommander - An Apple ][ image utility.
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* Copyright (C) 2002 by Robert Greene
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* robgreene at users.sourceforge.net
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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package com.webcodepro.applecommander.storage;
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import java.util.Comparator;
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/**
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* Sort FileEntry objects by the columnIndex. Mostly useful to the interface.
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* The columns are tested to see if they are numerical - if so, an Integer compare
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* is done (instead of a String).
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* <p>
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* Date created: Oct 27, 2002 8:24:39 PM
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* @author Rob Greene
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*/
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public class FileEntryComparator implements Comparator<FileEntry> {
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private int columnIndex;
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private int displayMode;
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/**
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* Construct a FileEntryComparator for the given columnIndex.
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*/
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public FileEntryComparator(int columnIndex, int displayMode) {
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this.columnIndex = columnIndex;
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this.displayMode = displayMode;
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}
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/**
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* Compare two FileEntry objects.
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* @see java.util.Comparator#compare(Object, Object)
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*/
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public int compare(FileEntry o1, FileEntry o2) {
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// FIXME?: This safety check is safe to remove now?
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if (!(o1 instanceof FileEntry) || !(o2 instanceof FileEntry)) {
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return 0;
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}
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if (o1 == null || o2 == null) {
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return ((o1 == null) ? -1 : 0) + ((o2 == null) ? 1 : 0);
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}
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FileEntry entry1 = (FileEntry) o1;
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FileEntry entry2 = (FileEntry) o2;
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String column1 = (String) entry1.getFileColumnData(displayMode).get(columnIndex);
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String column2 = (String) entry2.getFileColumnData(displayMode).get(columnIndex);
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if (isAllDigits(column1) && isAllDigits(column2)) {
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int int1 = toInt(column1);
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int int2 = toInt(column2);
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return int1 - int2;
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}
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return column1.compareTo(column2);
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}
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/**
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* Test for digits in the screen.
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*/
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protected boolean isAllDigits(String string) {
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if (string == null || string.length() == 0) return false;
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for (int i=0; i<string.length(); i++) {
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char ch = string.charAt(i);
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if (!Character.isDigit(ch) && ch != ',') {
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return false;
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}
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}
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return true;
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}
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/**
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* Convert String to int.
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*/
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protected int toInt(String string) {
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StringBuffer buf = new StringBuffer(string.length());
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for (int i=0; i<string.length(); i++) {
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char ch = string.charAt(i);
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if (Character.isDigit(ch)) {
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buf.append(ch);
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}
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}
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return Integer.parseInt(buf.toString());
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}
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}
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