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GoogleGeocoder.m
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GoogleGeocoder.m
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/*------------------------------------------------------------------------
* (The MIT License)
*
* Copyright (c) 2008-2011 Rhomobile, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* http://rhomobile.com
*------------------------------------------------------------------------*/
#ifdef __IPHONE_3_0
#import "GoogleGeocoder.h"
#import "logging/RhoLog.h"
#undef DEFAULT_LOGCATEGORY
#define DEFAULT_LOGCATEGORY "GoogleGeocoder"
@implementation GoogleGeocoder
@synthesize actionTarget,onDidFindAddress,theElement,annotations,gapikey;
-(void)doGeocoding:(NSMutableArray*)items {
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
NSEnumerator * enumerator = [items objectEnumerator];
MapAnnotation* annotation, *element;
while(element = [enumerator nextObject]) {
annotation = nil;
if ( (element.coordinate.latitude==10000) ||
(element.coordinate.longitude==10000) ) {
NSString* address = [element address];
if ( ([address length] > 0) && [self geocode:element]) {
annotation = element;
}
} else {
annotation = element;
}
if(annotation && actionTarget && [actionTarget respondsToSelector:onDidFindAddress]) {
[actionTarget performSelectorOnMainThread:onDidFindAddress withObject:annotation waitUntilDone:NO];
}
}
[pool release];
}
-(void)start {
if (annotations) {
[NSThread detachNewThreadSelector:@selector(doGeocoding:) toTarget:self withObject:annotations];
}
}
-(id)initWithAnnotations:(NSMutableArray*)_annotations apikey:(NSString*)key{
self = [super init];
annotations = _annotations;
gapikey = [key copy];
return self;
}
-(BOOL)geocode:(MapAnnotation *)annotation
{
BOOL retvar = TRUE;
currentAnnotation = annotation;
NSMutableString *url = [[NSMutableString alloc] initWithString:kGeoCodeURL];
[url appendString:[annotation address]];
[url appendFormat:@"&output=xml"];
[url replaceOccurrencesOfString:@"ä" withString:@"ae" options:1 range:(NSRange){0,[url length]}];
[url replaceOccurrencesOfString:@"ö" withString:@"oe" options:1 range:(NSRange){0,[url length]}];
[url replaceOccurrencesOfString:@"ü" withString:@"ue" options:1 range:(NSRange){0,[url length]}];
[url replaceOccurrencesOfString:@"ß" withString:@"ss" options:1 range:(NSRange){0,[url length]}];
[url replaceOccurrencesOfString:@" " withString:@"+" options:1 range:(NSRange){0,[url length]}];
if (gapikey) {
[url appendString:@"&key="];
[url appendString:gapikey];
}
NSLog(@"Geocoding url = %@\n", url);
NSURLRequest *request=[NSURLRequest requestWithURL:[NSURL URLWithString:url]
cachePolicy:NSURLRequestUseProtocolCachePolicy
timeoutInterval:60.0];
@try {
NSHTTPURLResponse *response = NULL;
NSData* data = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:nil];
NSXMLParser *parser = [[NSXMLParser alloc] initWithData:data];
[parser setDelegate:self];
[parser parse];
[self stringCooridinatesToCLLocation];
}
@catch (NSException *exception) {
NSLog(@"Geocoding failed");
retvar = FALSE;
}
@finally {
//NSLog(@"finally");
}
return retvar;
}
-(CLLocation *)stringCooridinatesToCLLocation{
NSArray *array = [[currentAnnotation coordinateString] componentsSeparatedByString:@","];
double longitude = [[array objectAtIndex:0] doubleValue];
double lattitude = [[array objectAtIndex:1] doubleValue];
CLLocation *location = [[[CLLocation alloc] initWithLatitude:lattitude longitude:longitude] autorelease];
[currentAnnotation setCoordinate:location.coordinate];
return location;
}
#pragma mark -
#pragma mark XML Parsing Methods
-(void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName
namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qualifiedName
attributes:(NSDictionary *)attributeDict {
if(theElement) [theElement release];
theElement = [[NSString alloc] initWithString:elementName];
}
-(void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string {
string = [string stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
string = [string stringByReplacingOccurrencesOfString:@"\\n" withString:@""];
if ([string length] == 0)
return;
if([theElement isEqualToString:@"address"])
[currentAnnotation setResolvedAddress:string];
if([theElement isEqualToString:@"coordinates"])
[currentAnnotation setCoordinateString:string];
}
-(void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName
namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qname {
}
@end
#endif