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From "Jiang, Jane (NIH/NCI) [C]" <jian...@mail.nih.gov>
Subject Question about xml rule for Digester
Date Tue, 18 Dec 2007 15:34:48 GMT
Hi,

 

I am working on parse an xml file using Digester.  I got the basics by
reading the AddressBook example.  However, I could not find an example
that refers to an upper level tag attribute in the rule.  

 

I am trying to create an object that contains a hash map of collections.
I included my xml data file, java class and the xml rule file.

 

I'd appreciate any advice you might offer.

 

Jane

 

Here is what my xml data file is like

 

  <progress-bar key="Draft">

    <branch flag="Y">

      <step>

        <action>Creation</action>

        <status>Completed</status>

      </step>

      <step>

        <action>Submission</action>

        <status>Completed</status>

      </step>

      <step>

        <action>Approval</action>

        <status>Pending</status>

      </step>

    </branch>

    <branch flag="N">

      <step>

        <action>Creation</action>

        <status>Completed</status>

      </step>

      <step>

        <action>Submission</action>

        <status>Completed</status>

      </step>

      <step>

        <action>Completion</action>

        <status>Pending</status>

      </step>

    </branch>

  </progress-bar>

 

Here is what my ProgressBar.java 

 

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

 

public class ProgressBar {

 

    private String key;

    private HashMap<String, List> branches = new HashMap<String,
List>();

    

    public ProgressBar() {

    }

 

    public void addBranch(String flag, ProgressStep step) {

        if (branches.get(flag) == null){

            branches.put(flag, new ArrayList());

        }

        branches.get(flag).add(step);

    }

 

    public void setKey(String key) {

        this.key = key;

    }

 

    public String getKey() {

        return key;

    }

}

 

My xml rule is defined as following, except I don't know what I should
use between the ???s.  

 

 

<!DOCTYPE digester-rules 

  PUBLIC "-//Jakarta Apache //DTD digester-rules XML V1.0//EN" 

 
"http://jakarta.apache.org/commons/digester/dtds/digester-rules.dtd">

 

<digester-rules>

    <pattern value="progress-bar">

      <set-properties-rule/>

      <pattern value="branch">

        <pattern value="step">

        <object-create-rule
classname="gov.nih.nci.iscs.oracle.acr.config.progress.ProgressStep"/>

        <set-nested-properties-rule/>

        <set-top-rule methodname="addBranch" paramcount="2" />

        <call-param-rule paramnumber='0' attrname=''????flag of the
branch???'/>

        <call-param-rule paramnumber='1' attrname='????The ProgressStep
object???'/>

       </pattern>

      </pattern>

    </pattern>

</digester-rules>

 


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