Looks like the best approach to me, too. Using element names as part of the data is kind of stretching the boundaries of JiBX usage, but with custom marshaller/unmarshaller code all things are possible.
- Dennis Dennis M. Sosnoski SOA and Web Services in Java Training and Consulting http://www.sosnoski.com - http://www.sosnoski.co.nz Seattle, WA +1-425-939-0576 - Wellington, NZ +64-4-298-6117 Varghese C V wrote: > What you need is a marshaller/unmarshaller for the animal tags. A field > in the animal class holds the tag name. PFA the relevant artifacts. > This way you can add an animal to the zoo without adding any classes. > What do you think? > > regards > Varghese C V > > binding.xml > --------------- > <binding> > > <mapping name="ResponseObject" class="zoo.ResponseObject"> > <collection field="animals" > item-type="zoo.Animal" > factory="org.jibx.runtime.Utility.arrayListFactory"> > <structure map-as="zoo.Animal"/> </collection> > </mapping> > > <mapping class="zoo.Animal" marshaller="zoo.AnimalMapper" > unmarshaller="zoo.AnimalMapper"/> > </binding> > > Animal.java > --------------- > package zoo; > public class Animal { > public String tagName; public String name; > public String typeCode; > public Animal() { > } > public Animal(String tagName) { > this.tagName = tagName; > } > } > > ResponseObject.java > ----------------------- > package zoo; > > import java.util.ArrayList; > import java.util.List; > > public class ResponseObject { > List animals = new ArrayList(); > } > > AnimalMapper.java > ---------------------- > package zoo; > > import org.jibx.runtime.IAliasable; > import org.jibx.runtime.IMarshaller; > import org.jibx.runtime.IMarshallingContext; > import org.jibx.runtime.IUnmarshaller; > import org.jibx.runtime.IUnmarshallingContext; > import org.jibx.runtime.JiBXException; > import org.jibx.runtime.impl.MarshallingContext; > import org.jibx.runtime.impl.UnmarshallingContext; > > public class AnimalMapper implements IMarshaller, IUnmarshaller, > IAliasable { > > private static final String ANIMAL_ATTRIBUTE_TYPECODE = "tp_cd"; > private static final String ANIMAL_ATTRIBUTE_NAME = "name"; > private String m_uri; > private int m_index; > > public AnimalMapper() { > m_uri = null; > m_index = 0; > } > > public boolean isExtension(int index) { > return false; > } > > public void marshal(Object obj, IMarshallingContext ictx) throws > JiBXException { > > if (!(obj instanceof Animal)) { > throw new JiBXException("Invalid object type for marshaller"); > } else if (!(ictx instanceof MarshallingContext)) { > throw new JiBXException("Invalid object type for marshaller"); > } else { > MarshallingContext ctx = (MarshallingContext) ictx; > Animal animal = (Animal) obj; > ctx.startTag(m_index, animal.tagName); > ctx.startTag(m_index, > ANIMAL_ATTRIBUTE_NAME).content(animal.name).endTag(m_index, > ANIMAL_ATTRIBUTE_NAME); > ctx.startTag(m_index, > ANIMAL_ATTRIBUTE_TYPECODE).content(animal.typeCode).endTag(m_index, > ANIMAL_ATTRIBUTE_TYPECODE); > ctx.endTag(m_index, animal.tagName); > } > } > > public boolean isPresent(IUnmarshallingContext ctx) throws > JiBXException { > return !ctx.isEnd(); > } > > public Object unmarshal(Object obj, IUnmarshallingContext ictx) > throws JiBXException { > UnmarshallingContext ctx = (UnmarshallingContext)ictx; > String tagName = ctx.toStart(); > Animal animal = (Animal) obj; > if (animal == null) { > animal = new Animal(tagName); > } > ctx.parsePastStartTag(m_uri, tagName); > String name = ctx.parseElementText(m_uri, ANIMAL_ATTRIBUTE_NAME); > String typeCode = ctx.parseElementText(m_uri, > ANIMAL_ATTRIBUTE_TYPECODE); > animal.name = name; > animal.typeCode = typeCode; > ctx.parsePastEndTag(m_uri, tagName); > return animal; > } > } > > > [EMAIL PROTECTED] wrote: > >> List users, >> >> I'm having an issue with trying to map a collection of >> (sorta)-abstract objects. The issue is that, in the XML that I'm >> unmarshalling, the overall structure is >> the same, but the element name will differ. Here's an example: >> >> <ResponseObject> >> <CatTable> >> <name>Boots</name> >> <tp_cd>1001</tp_cd> >> </CatTable> >> <CatTable> >> <name>Fluffy</name> >> <tp_cd>1002</tp_cd> >> </CatTable> >> ..... >> </ResponseObject> >> >> The next XML I will unmarshall (from the same service call) is like this: >> >> <ResponseObject> >> <DogTable> >> <name>Rex</name> >> <tp_cd>1003</tp_cd> >> </DogTable> >> <DogTable> >> <name>King</name> >> <tp_cd>1004</tp_cd> >> </DogTable> >> ..... >> </ResponseObject> >> >> All I really need is a class for Animal, with no differentiation >> between cats, dogs, beavers, etc., and there are over a hundred >> animals. If I have an Animal class, like this: >> >> public class Animal { >> private String name; >> private String typeCode; >> } >> >> I want to unmarshall to an Animal object, since that is all I need in >> this case. There is NO Cat or Dog class. All responses will look the >> same with the exception of the element name (like CatTable, DogTable). >> >> If I define my unmarshalling XML like this: >> >> <mapping name="ResponseObject" class="ResponseObject"> >> <collection field="animals" item-type="Animal" /> >> </mapping> >> >> I can then do the following for just a single animal: >> >> <mapping name="CatTable" class="Animal" abstract="true"> >> <value name="name" field="typeValue" usage="required"/> >> <value name="tp_cd" field="typeCode" usage="required"/> >> </mapping> >> >> If I try to define a second animal: >> >> <mapping name="DogTable" class="Animal" abstract="true"> >> <value name="name" field="typeValue" usage="required"/> >> <value name="tp_cd" field="typeCode" usage="required"/> >> </mapping> >> >> I get an error because the Animal class is multiply declared. >> >> The bottom line is that there seems to be no way to have an element >> name map to anything in JiBX without actually having a class that it >> concretely maps to. I have tried many combinations of things to get >> this to work, and can't find a solution. What I don't want to have to >> do is create classes like this: >> >> public class Dog extends Animal {} >> >> public class Cat extends Animal{} >> >> and have hundreds of class files. >> >> I have also tried: >> >> <mapping class="Animal" abstract="true" type-name="lookup" >> > >> <value name="name" field="name" usage="required"/> >> <value name="tp_cd" field="typeCode" usage="required"/> >> </mapping> >> <mapping name="CatTable" map-as="lookup" /> >> <mapping name="DogTable" map-as="lookup" /> >> >> with no success. I have tried many other variants, all with new >> interesting errors to read up on. >> >> One of the justifications for this is that I want to be able to add a >> new Animal to my zoo without creating a class for it, so that through >> JiBX and Spring alone I can configure my app. The actual XML and >> objects are not those you see above, but the example is analogous and >> simple. >> >> I appreciate any thoughts on this. >> >> Brian >> ------------------------------------------------------------------------ >> >> ------------------------------------------------------------------------- >> This SF.net email is sponsored by: Splunk Inc. >> Still grepping through log files to find problems? Stop. >> Now Search log events and configuration files using AJAX and a browser. >> Download your FREE copy of Splunk now >> http://get.splunk.com/ >> ------------------------------------------------------------------------ >> >> _______________________________________________ >> jibx-users mailing list >> jibx-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/jibx-users >> >> > > > > [EMAIL PROTECTED] wrote: > >> List users, >> >> I'm having an issue with trying to map a collection of >> (sorta)-abstract objects. The issue is that, in the XML that I'm >> unmarshalling, the overall structure is >> the same, but the element name will differ. Here's an example: >> >> <ResponseObject> >> <CatTable> >> <name>Boots</name> >> <tp_cd>1001</tp_cd> >> </CatTable> >> <CatTable> >> <name>Fluffy</name> >> <tp_cd>1002</tp_cd> >> </CatTable> >> ..... >> </ResponseObject> >> >> The next XML I will unmarshall (from the same service call) is like this: >> >> <ResponseObject> >> <DogTable> >> <name>Rex</name> >> <tp_cd>1003</tp_cd> >> </DogTable> >> <DogTable> >> <name>King</name> >> <tp_cd>1004</tp_cd> >> </DogTable> >> ..... >> </ResponseObject> >> >> All I really need is a class for Animal, with no differentiation >> between cats, dogs, beavers, etc., and there are over a hundred >> animals. If I have an Animal class, like this: >> >> public class Animal { >> private String name; >> private String typeCode; >> } >> >> I want to unmarshall to an Animal object, since that is all I need in >> this case. There is NO Cat or Dog class. All responses will look the >> same with the exception of the element name (like CatTable, DogTable). >> >> If I define my unmarshalling XML like this: >> >> <mapping name="ResponseObject" class="ResponseObject"> >> <collection field="animals" item-type="Animal" /> >> </mapping> >> >> I can then do the following for just a single animal: >> >> <mapping name="CatTable" class="Animal" abstract="true"> >> <value name="name" field="typeValue" usage="required"/> >> <value name="tp_cd" field="typeCode" usage="required"/> >> </mapping> >> >> If I try to define a second animal: >> >> <mapping name="DogTable" class="Animal" abstract="true"> >> <value name="name" field="typeValue" usage="required"/> >> <value name="tp_cd" field="typeCode" usage="required"/> >> </mapping> >> >> I get an error because the Animal class is multiply declared. >> >> The bottom line is that there seems to be no way to have an element >> name map to anything in JiBX without actually having a class that it >> concretely maps to. I have tried many combinations of things to get >> this to work, and can't find a solution. What I don't want to have to >> do is create classes like this: >> >> public class Dog extends Animal {} >> >> public class Cat extends Animal{} >> >> and have hundreds of class files. >> >> I have also tried: >> >> <mapping class="Animal" abstract="true" type-name="lookup" >> > >> <value name="name" field="name" usage="required"/> >> <value name="tp_cd" field="typeCode" usage="required"/> >> </mapping> >> <mapping name="CatTable" map-as="lookup" /> >> <mapping name="DogTable" map-as="lookup" /> >> >> with no success. I have tried many other variants, all with new >> interesting errors to read up on. >> >> One of the justifications for this is that I want to be able to add a >> new Animal to my zoo without creating a class for it, so that through >> JiBX and Spring alone I can configure my app. The actual XML and >> objects are not those you see above, but the example is analogous and >> simple. >> >> I appreciate any thoughts on this. >> >> Brian >> ------------------------------------------------------------------------ >> >> ------------------------------------------------------------------------- >> This SF.net email is sponsored by: Splunk Inc. >> Still grepping through log files to find problems? Stop. >> Now Search log events and configuration files using AJAX and a browser. >> Download your FREE copy of Splunk now >> http://get.splunk.com/ >> ------------------------------------------------------------------------ >> >> _______________________________________________ >> jibx-users mailing list >> jibx-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/jibx-users >> >> > > > ------------------------------------------------------------------------- > This SF.net email is sponsored by: Splunk Inc. > Still grepping through log files to find problems? Stop. > Now Search log events and configuration files using AJAX and a browser. > Download your FREE copy of Splunk now >> http://get.splunk.com/ > _______________________________________________ > jibx-users mailing list > jibx-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/jibx-users > > ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ jibx-users mailing list jibx-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jibx-users
