That's true.. But with the setter method mentioned above for list variable, its taken care of. Though its a hack, it works..
On Fri, Mar 18, 2016 at 5:00 AM, Munagala Ramanath <[email protected]> wrote: > The list initialization only works when I prepopulate the list with enough > elements > to accomodate all the items from the property file; otherwise I get a > failure: > java.lang.IndexOutOfBoundsException: Index: 0, Size: 0 > > Ram > > > > On Thu, Mar 17, 2016 at 11:14 AM, Chinmay Kolhatkar <[email protected]> > wrote: > > > @Ram, Ok. The reason why I would prefer to have property as List or Map > is > > because individual items may contain characters which might overlap with > > the element separator. > > > > @Thomas, Can you please point me to or type in an example? I'll try that. > > Also, is it suggested to use JSON instead of xml in such cases? > > > > On another note, I was looking into code and ended up with common's > > BeanUtils, in which I found a way to set map and list by properties.xml > as > > well. > > Just some special setter method needs to be there. > > > > So in operator, code as be as follows: > > private List<String> varList = new ArrayList<>(); > > private Map<String, String> varMap = new HashMap<>(); > > > > public void setVarList(List<String> list) { this.varList = list; } > > public void setVarList(int index, String value) > > { > > for (int i=this.list.size(); i<=index; i++) { > > this.varList.add(null); > > } > > this.varList.set(index, value); > > } > > > > public void setVarMap(Map<String, String> map) { this.varMap = map; } > > public void setVarMap(String key, String value) { this.varMap.put(key, > > value); } > > > > > > And XML file can contain property as follows: > > <property> > > <name>dt.operator.randomGenerator.varMap(abc)</name> > > <value>123</value> > > </property> > > <property> > > <name>dt.operator.randomGenerator.varMap(pqr)</name> > > <value>567</value> > > </property> > > <property> > > <name>dt.operator.randomGenerator.varList[1]</name> > > <value>test2</value> > > </property> > > <property> > > <name>dt.operator.randomGenerator.varList[0]</name> > > <value>test1</value> > > </property> > > > > > > Can you please suggest if this a fine way for exposing complex operator > > properties like map and list? > > > > Thanks, > > Chinmay. > > > > > > On Thu, Mar 17, 2016 at 10:04 PM, Thomas Weise <[email protected]> > > wrote: > > > > > AFAIK there is a way to do it via JSON. > > > > > > -- > > > sent from mobile > > > On Mar 17, 2016 9:32 AM, "Munagala Ramanath" <[email protected]> > > wrote: > > > > > > > There may be a way to do this with StringCodecs but not sure of the > > > > details. > > > > > > > > You could use arrays of strings as an intermediate type since these > can > > > be > > > > populated by comma-separated values in the property files. Then > convert > > > > to List/Map as needed. > > > > > > > > Ram > > > > > > > > On Thu, Mar 17, 2016 at 2:11 AM, Chinmay Kolhatkar < > [email protected] > > > > > > > wrote: > > > > > > > > > Hi, > > > > > > > > > > I have an operator which has setter method for properties which are > > of > > > > type > > > > > List<String> and Map<String, String>. > > > > > > > > > > Is there any way to set these properties via properties.xml? > > > > > > > > > > Thanks, > > > > > Chinmay. > > > > > > > > > > > > > > >
