OC-NewsReader项目

//

// News.h

// NewsReader

//

//

// Copyright (c) 2012年 __MyCompanyName__. All rights reserved.

//

#import <Foundation/Foundation.h>

@interface News : NSObject <NSCoding,NSCopying>

{

NSString* subject;

//NSURL* link;

NSString* description;

}

@property(nonatomic,copy)NSString* subject;

//@property(nonatomic,copy)NSURL* link;

@property(nonatomic,copy)NSString* description;

-(id)initwithsubject:(NSString*)_subject

anddescription:(NSString*)_description;

-(void)dealloc;

- (id)copyWithZone:(NSZone *)zone;

-(void)encodeWithCoder:(NSCoder *)aCoder;

-(id)initWithCoder:(NSCoder *)aDecoder;

-(NSString*)description;

@end

//

// News.m

// NewsReader

//

//

// Copyright (c) 2012年 __MyCompanyName__. All rights reserved.

//

#import "News.h"

@implementation News

@synthesize subject;

@synthesize description;

-(id)initwithsubject:(NSString*)_subject

anddescription:(NSString*)_description{

if(!_subject||!_description){

[self release];

return nil;

}

self=[super init];

if(!self){

return nil;

}

subject=[NSString stringWithString:_subject];

description=[NSString stringWithString:_description];

return self;

}

-(void)dealloc{

[super dealloc];

}

- (id)copyWithZone:(NSZone *)zone{

News* n=[[News allocWithZone:zone]initwithsubject:@"科技" anddescription:@"日新月异"];

return n;

}

-(void)encodeWithCoder:(NSCoder *)aCoder{

[aCoder encodeObject:subject forKey:@"subject"];

[aCoder encodeObject:description forKey:@"description"];

}

-(id)initWithCoder:(NSCoder *)aDecoder{

if (self=[super init]) {

self.subject= [aDecoder decodeObjectForKey:@"subject"];

self.description=[aDecoder decodeObjectForKey:@"description"];

}

return self;

}

-(NSString*)description{

NSString* d=[[NSString alloc]initWithFormat:@"subject is %@,description is %@",subject,description];

return d;

}

@end

//

// Channel.h

// NewsReader

//

// Created by zz

// Copyright (c) 2012年 __MyCompanyName__. All rights reserved.

//

#import <Foundation/Foundation.h>

#import "News.h"

@class News;

@interface Channel : NSObject

{

NSMutableArray *newslist;

NSString * description;

}

@property(nonatomic,copy)NSMutableArray* newslist;

@property(nonatomic,copy)NSString* description;

-(id)initwithdescription:(NSString*)_description;

-(void)Addnews:(News*)_new;

-(void)Removenews:(NSInteger)index;

-(News*)newsatindex:(NSInteger)index;

-(void)dealloc;

-(NSString* )description;

@end

//

// Channel.m

// NewsReader

//

// Created by zz

// Copyright (c) 2012年 __MyCompanyName__. All rights reserved.

//

#import "Channel.h"

#import "News.h"

@implementation Channel

@synthesize description;

@synthesize newslist;

-(id)initwithdescription:(NSString*)_description{

if(!_description){

[self release];

return nil;

}

self=[super init];

if(!self){

return nil;

}

description=[NSString stringWithString:_description];

newslist=[[NSMutableArray alloc]init];

return self;

}

-(void)Addnews:(News*)_new{

[newslist addObject:_new];

}

-(void)Removenews:(NSInteger)index{

[newslist removeObjectAtIndex:index];

}

-(News*)newsatindex:(NSInteger)index{

return [newslist objectAtIndex:index];

}

-(void)dealloc{

[newslist release];

[super dealloc];

}

-(NSString* )description{

NSMutableString* ns=[[NSMutableString alloc]init];

for(id item in newslist){

[ns appendFormat:@"%@\n",[item description]];

}

return ns;

}

@end

//

// Channelmanager.h

// NewsReader

//

//

// Copyright (c) 2012年 __MyCompanyName__. All rights reserved.

//

#import <Foundation/Foundation.h>

@class Channel;

@interface Channelmanager : NSObject <NSCoding>

{

NSMutableDictionary* Channellist;

NSString* filename;

}

@property(nonatomic,copy)NSMutableDictionary* Channellist;

@property(nonatomic,copy)NSString* filename;

-(id)initwithfilename:(NSString*)_filename;

-(void)Addchannel:(Channel*)_channel forKey:(NSString*)_key;

-(void)RemovechannelForKey:(NSString*)_key;

-(Channel*)channelForKey:(NSString*)_key;

-(void)save;

-(void)read;

-(void)dealloc;

-(NSString*)description;

-(void)encodeWithCoder:(NSCoder *)aCoder;

-(id)initWithCoder:(NSCoder *)aDecoder;

@end

//

// Channelmanager.m

// NewsReader

//

//

// Copyright (c) 2012年 __MyCompanyName__. All rights reserved.

//

#import "Channelmanager.h"

#import "Channel.h"

@implementation Channelmanager

@synthesize Channellist;

@synthesize filename;

-(id)initwithfilename:(NSString*)_filename{

if(!_filename){

[self release];

return nil;

}

self=[super init];

if(!self){

return nil;

}

filename=[NSString stringWithString:_filename];

Channellist=[NSMutableDictionary dictionary];

return self;

}

-(void)Addchannel:(Channel*)_channel forKey:(NSString*)_key{

[Channellist setObject:_channel forKey:_key];

}

-(void)RemovechannelForKey:(NSString*)_key{

[Channellist removeObjectForKey:_key];

}

-(Channel*)channelForKey:(NSString*)_key{

return [Channellist valueForKey:_key];

}

-(void)save{

//[Channellist writeToFile:filename atomically:YES];

// NSLog(@"chalist =====%@",Channellist);

[NSKeyedArchiver archiveRootObject:[self description] toFile:filename];

}

-(void)read{

Channellist= [NSKeyedUnarchiver unarchiveObjectWithFile:filename];

[Channellist writeToFile:@"/tmp/qq.txt" atomically:YES];

NSLog(@"%@",Channellist);

}

-(void)dealloc{

[filename release];

[super dealloc];

}

-(NSString*)description{

NSMutableString* ns=[[NSMutableString alloc]init];

for(id item in Channellist){

[ns appendFormat:@"%@",[Channellist valueForKey:item]];

// NSLog(@"909090_____---%@",item);

}

//NSLog(@"---------------------55======value is %@",[Channellist valueForKey:@"cc1"]);

[ns autorelease];

return ns;

}

-(void)encodeWithCoder:(NSCoder *)aCoder{

[aCoder encodeObject:Channellist forKey:@"Channellist"];

[aCoder encodeObject:filename forKey:@"filename"];

}

-(id)initWithCoder:(NSCoder *)aDecoder{

if((self=[super init])){

self.Channellist=[aDecoder decodeObjectForKey:@"Channellist"];

self.filename=[aDecoder decodeObjectForKey:@"filename"];

}

return self;

}

@end