oops, it's m.get(key).toString(); sometimes it happens in hurry ;-)
>-----Original Message----- >From: Patrick Cheng [mailto:[EMAIL PROTECTED] >Sent: Monday, January 05, 2004 2:50 PM >To: Struts Users Mailing List >Subject: RE: Querystring builder > > >THANK YOU SOOO MUCH for providing such detail code in response. > >One of the lines in the iterating function: > > nvString.append(this.getString(key) + "&"); >What's the this and the getString suppose to be? Should it be the >map.get function? > >Rgds, >Patrick. > >-----Original Message----- >From: Navjot Singh [mailto:[EMAIL PROTECTED] >Sent: Monday, January 05, 2004 4:44 PM >To: Struts Users Mailing List >Subject: RE: Querystring builder > > >hi, > >Yes, i was referring to copyProperties(). > >The problem really gets complex if you have nested objects. >and i doubt if there is any readymade solution to the problem you are >facing. but with very little effrots you can do this > >You can make one and for all. Doesn't seem to be a tough job althought >bit lengthy :-) > >Ok, allow me to get my hands dirty!! and I am not sure if this works >with collections as you may want. You ca try with collections yourself. > >Say you have something like > >class A (with corresponding gettter and setter) >{ > private B b; > private String str; >} > >class B (with corresponding gettter and setter) >{ > private String str; >} > >All you need to do is > >A a = new A(); >a.setStr("navjot"); >B b = new B(); >b.setStr("singh"); >a.setB(b); > >Map m = new HashMap(); >Then call BEanUtils.copyProperties(m,a); > >you will get a map filled with key-value pairs >str=navjot >b.str=singh > >pass this to some function like. > >String getQueryStirng(Map m) >{ > Iterator nvPairs = m.keySet().iterator(); > StringBuffer nvString = new StringBuffer(""); > String key; > while(nvPairs.hasNext()) > { > key = (String) nvPairs.next(); > nvString.append(key + "="); > nvString.append(this.getString(key) + "&"); > } > String nv = nvString.toString(); > if(m.keySet().size() != 0) > { > return nv.substring(0,nv.lastIndexOf("&")); > } > return nv; >} > >My this function may not be efficient and does the job you want. > >and HURRAY!! you will get QueryString like str=navjot&b.str=singh > >hope this helps >Navjot Singh > >****************** >Wife sleeping in the middle of night suddenly wakes up and shout. >"Quick! My husband is back". Man get up and jumps out of window. Then >realizes "SHIT! I AM the husband." >****************** > > >>-----Original Message----- >>From: Patrick Cheng [mailto:[EMAIL PROTECTED] >>Sent: Monday, January 05, 2004 12:05 PM >>To: Struts Users Mailing List >>Subject: RE: Querystring builder >> >> >>Hi Navjot, >>I have been working with the BeanUtils things on this problem. Are you >>referring to the 'describe' and 'populate' methods? That's what I've >>been working on. I am looking for yet a simpler way to do this. I >>should say, I wonder if there's an easier way to do this. >>Let me explain a bit on the situation. >>Multipage form. The form bean contains other value objects, and these >>value objects have Collection properties, pointing to another set of >>Value Objects. >> >>That is, in my original formbean: >> public MyEJBValueObject getXXX(){...} >> public void setXXXs(MyEJBValueObject e){...} >>In the MyEJBValueObject.java, I have: >> public Collection getYYYs(){...} >> public void setYYYs(Collecton c){...} >>And the collection YYY actually is a arraylist of AnotherEJBValueObject >> >>With this kind of structure, it's quite tedious to build the >>QueryString, Is that right? I suppose I have to iterate thru the Map >>described by BeanUtils and go into further levels, and describe again. >>The worst part is, I don't want to build the 'Form elements' myself. >>That is, >>I have to come up with indexed/mapped/mixed name, like, >> SALES.ITEMS[2].DISCOUNT['MONTHLYSPECIAL'].DISCOUNTRATE >>Do I have to do that manually? >> >>Thanks. >>Patrick. >> >>-----Original Message----- >>From: Navjot Singh [mailto:[EMAIL PROTECTED] >>Sent: Monday, January 05, 2004 2:03 PM >>To: Struts Users Mailing List >>Subject: RE: Querystring builder >> >> >>that should be easy. >> >>BeanUtils gives you the way to populate a MAP object from a Bean. Now >>al you need to do is iterate over keys, form a querystring with each >>name-value pair separated by &. >> >>HTH >>Navjot SIngh >> >> >>>-----Original Message----- >>>From: Patrick Cheng [mailto:[EMAIL PROTECTED] >>>Sent: Monday, January 05, 2004 11:19 AM >>>To: Struts Users Mailing List >>>Subject: RE: Querystring builder >>> >>> >>>What I wanted to do is, at some point during the user is completing a >>>form,(multipage) >>>He can save the form. Instead of serializing the bean and saving Blob > >>>in oracle, I am trying to put things in a QueryString and save the >>>string into oracle. And I want to populate that QueryString into a >>>formbean when the user resumes. >>> >>>Any tools? >>> >>>Thanks a lot. >>>Patrick. >>> >>>-----Original Message----- >>>From: James Mitchell [mailto:[EMAIL PROTECTED] >>>Sent: Monday, January 05, 2004 12:14 PM >>>To: Struts Users Mailing List >>>Subject: Re: Querystring builder >>> >>> >>>On Mon, 5 Jan 2004, Patrick Cheng wrote: >>> >>>> Hi All, >>>> >>>> I have been trying to find helper class to build QueryString from >>>> javabean. Does anyone know of any tool like this? >>> >>>What are you wanting to do? Add parameters from your bean? >>> >>>> >>>> Thanks, >>>> Patrick. >>>> >>>> -------------------------------------------------------------------- >>>> - >>>> To unsubscribe, e-mail: [EMAIL PROTECTED] >>>> For additional commands, e-mail: [EMAIL PROTECTED] >>>> >>>> >>> >>>-- >>>James Mitchell >>>Software Developer / Struts Evangelist http://www.struts-atlanta.org >>> >>> >>>--------------------------------------------------------------------- >>>To unsubscribe, e-mail: [EMAIL PROTECTED] >>>For additional commands, e-mail: [EMAIL PROTECTED] >>> >>> >>>--------------------------------------------------------------------- >>>To unsubscribe, e-mail: [EMAIL PROTECTED] >>>For additional commands, e-mail: [EMAIL PROTECTED] >>> >>> >> >>--------------------------------------------------------------------- >>To unsubscribe, e-mail: [EMAIL PROTECTED] >>For additional commands, e-mail: [EMAIL PROTECTED] >> >> >>--------------------------------------------------------------------- >>To unsubscribe, e-mail: [EMAIL PROTECTED] >>For additional commands, e-mail: [EMAIL PROTECTED] >> >> > > >--------------------------------------------------------------------- >To unsubscribe, e-mail: [EMAIL PROTECTED] >For additional commands, e-mail: [EMAIL PROTECTED] > > >--------------------------------------------------------------------- >To unsubscribe, e-mail: [EMAIL PROTECTED] >For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
