Hi Christian, fyi, I've just added a new LocationLookupService class to my github repo [1], to make it easier to specify locations. README is updated to show usage.
Thx again for the idea, Cheers Dan [1] https://github.com/danhaywood/isis-wicket-gmap3 On 25 January 2013 00:06, Christian Steinebach < [email protected]> wrote: > Hi Dan, > > sounds better, yes. :-) The info returned from google contains > also much more than only the location. A service could provide > that info as well. > > Christian > ________________________________________ > From: Dan Haywood [[email protected]] > Sent: Thursday, January 24, 2013 12:14 PM > To: [email protected] > Subject: Re: isis compile from source, gmaps2 widget? > > Hi Christian, > This is a nice idea, but having a value type make calls out to the network > isn't the sort of thing it ought to do. But what would make sense is to > wrap this up into a domain service that can then be injected into entities, > eg something like a LocationLookupService. > > Let me take your code and refactor it a little. > > Cheers > Dan > > On 23 January 2013 18:45, Christian Steinebach < > [email protected]> wrote: > > > Hi again! > > > > A 'quick and dirty' extension of Location.java to obtain the location > from > > google based on an address string. > > > > Location.fromGoogleAddress("Selbu, Norway") > > Location.fromGoogleAddress("Downing street 1,London,UK"); > > > > > > As long as google can make any sense out of the address it will return a > > result. > > May use xml or json, xml used here. > > Dependencies > > > > <dependency> > > <groupId>commons-httpclient</groupId> > > <artifactId>commons-httpclient</artifactId> > > <version>3.1</version> > > </dependency> > > <dependency> > > <groupId>org.jdom</groupId> > > <artifactId>jdom</artifactId> > > <version>1.1.3</version> > > </dependency> > > > > Just an idea. > > > > Cheers > > Christian > > > > > > > > > > package com.danhaywood.isis.wicket.gmap3.applib; > > > > import java.io.Serializable; > > import java.io.StringReader; > > import org.apache.commons.httpclient.HttpClient; > > import org.apache.commons.httpclient.methods.GetMethod; > > import org.apache.commons.httpclient.util.URIUtil; > > > > import org.apache.isis.applib.annotation.Value; > > import org.jdom.Document; > > import org.jdom.Element; > > import org.jdom.input.SAXBuilder; > > > > /** > > * Value type representing a location on a map. > > * > > */ > > @Value(semanticsProviderClass = LocationSemanticsProvider.class) > > public class Location implements Serializable { > > > > private static final long serialVersionUID = 1L; > > static final Location DEFAULT_VALUE = new Location(51.4777479, 0.0d); > > // Greenwich Royal Observatory > > static final String BASEURL = " > > http://maps.googleapis.com/maps/api/geocode/";; > > static final String MODE = "xml"; > > static final HttpClient httpclient = new HttpClient(); > > static final GetMethod get = new GetMethod(BASEURL + MODE); > > > > /** > > * Factory method > > * > > * @see #toString() > > */ > > public static Location fromString(String encodedString) { > > final String[] split = encodedString.split(";"); > > try { > > double latitude = Double.parseDouble(split[0]); > > double longitude = Double.parseDouble(split[1]); > > return new Location(latitude, longitude); > > } catch (Exception e) { > > return null; > > } > > } > > > > public static Location fromGoogleAddress(String address) { > > boolean sensor = false; > > String query = "?address=" + address + "&sensor=" + sensor; > > > > try { > > get.setQueryString(URIUtil.encodeQuery(query)); > > httpclient.executeMethod(get); > > String xml = get.getResponseBodyAsString(); > > SAXBuilder builder = new SAXBuilder(); > > Document doc = builder.build(new StringReader(xml)); > > Element root = doc.getRootElement(); > > String lat = > > > root.getChild("result").getChild("geometry").getChild("location").getChildTextTrim("lat"); > > String lon = > > > root.getChild("result").getChild("geometry").getChild("location").getChildTextTrim("lng"); > > return Location.fromString(lat + ";" + lon); > > } catch (Exception ex) { > > return null; > > } > > } > > > > ________________________________________ > > From: Dan Haywood [[email protected]] > > Sent: Wednesday, January 23, 2013 9:54 AM > > To: [email protected] > > Subject: Re: isis compile from source, gmaps2 widget? > > > > Just picking up on this thread.... > > > > I've been doing some work to resurrect the gmaps widget, and now have it > > going. > > > > It does depend on a SNAPSHOT version of wicketstuff-gmap3, so can't be > made > > part of Isis proper yet. > > > > However, I have created a github repo which explains how to configure it > > [1] (with some pretty screenshots). > > > > Also, this needed some updates to wicket viewer itself, so you'll need to > > build Isis from source to try it out. > > > > (Jeroen: the fixes I've done here might've sorted out our calendar view, > > but I haven't tested it yet). > > > > Dan > > > > > > [1] https://github.com/danhaywood/isis-wicket-gmap3 > > >
