001/*
002 * BridJ - Dynamic and blazing-fast native interop for Java.
003 * http://bridj.googlecode.com/
004 *
005 * Copyright (c) 2010-2013, Olivier Chafik (http://ochafik.com/)
006 * All rights reserved.
007 *
008 * Redistribution and use in source and binary forms, with or without
009 * modification, are permitted provided that the following conditions are met:
010 * 
011 *     * Redistributions of source code must retain the above copyright
012 *       notice, this list of conditions and the following disclaimer.
013 *     * Redistributions in binary form must reproduce the above copyright
014 *       notice, this list of conditions and the following disclaimer in the
015 *       documentation and/or other materials provided with the distribution.
016 *     * Neither the name of Olivier Chafik nor the
017 *       names of its contributors may be used to endorse or promote products
018 *       derived from this software without specific prior written permission.
019 * 
020 * THIS SOFTWARE IS PROVIDED BY OLIVIER CHAFIK AND CONTRIBUTORS ``AS IS'' AND ANY
021 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
022 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
023 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
024 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
025 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
026 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
027 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
028 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
029 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
030 */
031package org.bridj.objc;
032
033import java.util.HashMap;
034import org.bridj.Pointer;
035import java.util.Map;
036import org.bridj.BridJ;
037import static org.bridj.objc.FoundationLibrary.*;
038import static org.bridj.Pointer.*;
039
040/**
041 *
042 * @author ochafik
043 */
044public class NSDictionary extends NSObject {
045
046    static {
047        BridJ.register();
048    }
049
050    public NSDictionary() {
051        super();
052    }
053//    public NSDictionary(Map<String, NSObject> map) {
054//        super(pointerToNSDictionary(map));
055//    }
056
057    public native Pointer<NSObject> valueForKey(Pointer<NSString> key);
058
059    public native Pointer<NSObject> objectForKey(Pointer<NSObject> key);
060
061    public native int count();
062
063    public native void getObjects_andKeys(Pointer<Pointer<NSObject>> objects, Pointer<Pointer<NSObject>> keys);
064
065    public static native Pointer<NSDictionary> dictionaryWithContentsOfFile(Pointer<NSString> path);
066
067    public static native Pointer<NSDictionary> dictionaryWithObjects_forKeys_count(Pointer<Pointer<NSObject>> objects, Pointer<Pointer<NSObject>> keys, int count);
068
069    public static Pointer<NSDictionary> pointerToNSDictionary(Map<String, NSObject> map) {
070        int n = map.size();
071        Pointer<Pointer<NSObject>> objects = allocatePointers(NSObject.class, n);
072        Pointer<Pointer<NSObject>> keys = allocatePointers(NSObject.class, n);
073
074        int i = 0;
075        for (Map.Entry<String, NSObject> e : map.entrySet()) {
076            keys.set(i, (Pointer) pointerToNSString(e.getKey()));
077            objects.set(i, getPointer(e.getValue()));
078            i++;
079        }
080
081        return dictionaryWithObjects_forKeys_count(objects, keys, n);
082    }
083
084    public static NSDictionary valueOf(Map<String, NSObject> map) {
085        return pointerToNSDictionary(map).get();
086    }
087
088    public Map<String, NSObject> toMap() {
089        int n = count();
090        Pointer<Pointer<NSObject>> objects = allocatePointers(NSObject.class, n);
091        Pointer<Pointer<NSString>> keys = allocatePointers(NSString.class, n);
092
093        getObjects_andKeys(objects, (Pointer) keys);
094
095        Map<String, NSObject> ret = new HashMap<String, NSObject>();
096        for (int i = 0; i < n; i++) {
097            Pointer<NSString> key = keys.get(i);
098            Pointer<NSObject> value = objects.get(i);
099
100            ret.put(key.get().toString(), value == null ? null : value.get());
101        }
102        return ret;
103    }
104}