Apologies...wasn't thinking straight.
Here's the code.
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import org.apache.commons.digester.Digester;
import org.apache.commons.digester.xmlrules.DigesterLoader;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
public class DigestTester
{
private static String xml = "<?xml version=\"1.0\" encoding=\"utf-8\"?>" +
"<Envelope>" +
" <Person>" +
" <Locations>" +
" <Location>" +
"
<Id>3eca4cd1-a07a-4013-b4a3-1d6a6530f7e3</Id>" +
" <DateAsOf>201007132112</DateAsOf>" +
"
<DateLastModified>20100803203509203</DateLastModified>" +
" <Name>Most Recent Location</Name>" +
" <WKT>POINT (69.568583399873617
33.86775960347174 0)</WKT>" +
" </Location>" +
" <Location>" +
"
<Id>3e2462d1-a0c7-4013-4523-1345a3b8f7e3</Id>" +
" <DateAsOf>201007100814</DateAsOf>" +
"
<DateLastModified>20100803203509203</DateLastModified>" +
" <Name>Previous Location</Name>" +
" <WKT>POINT (66.53455434533617
32.863453455537174 0)</WKT>" +
" </Location>" +
" </Locations>" +
" </Person>" +
"</Envelope>";
private static String test2 = "<?xml version=\"1.0\"?>" +
"<digester-rules>" +
"<pattern value=\"Envelope/Person\">" +
"<object-create-rule
pattern=\"Locations\" classname=\"java.util.ArrayList\"/>" +
"<object-create-rule
pattern=\"Locations/Location\" classname=\"java.util.HashMap\"/>" +
"<call-method-rule
pattern=\"Locations/Location/Id\" targetoffset=\"0\" methodname=\"put\"
paramcount=\"2\"" +
"
paramtypes=\"java.lang.Object,java.lang.Object\"/>" +
"<object-param-rule
pattern=\"Locations/Location/Id\" paramnumber=\"0\"
type=\"java.lang.String\" value=\"id\"/>" +
"<call-param-rule
pattern=\"Locations/Location/Id\" paramnumber=\"1\"/>" +
"<call-method-rule
pattern=\"Locations/Location/DateAsOf\" targetoffset=\"0\"
methodname=\"put\" paramcount=\"2\"" +
"
paramtypes=\"java.lang.Object,java.lang.Object\"/>" +
"<object-param-rule
pattern=\"Locations/Location/DateAsOf\" paramnumber=\"0\"
type=\"java.lang.String\" value=\"date_as_of\"/>" +
"<call-param-rule
pattern=\"Locations/Location/DateAsOf\" paramnumber=\"1\"/>" +
"<call-method-rule
pattern=\"Locations/Location/DateLastModified\" targetoffset=\"0\"
methodname=\"put\" paramcount=\"2\"" +
"
paramtypes=\"java.lang.Object,java.lang.Object\"/>" +
"<object-param-rule
pattern=\"Locations/Location/DateLastModified\" paramnumber=\"0\"
type=\"java.lang.String\" value=\"date_last_modified\"/>" +
"<call-param-rule
pattern=\"Locations/Location/DateLastModified\" paramnumber=\"1\"/>" +
"<call-method-rule
pattern=\"Locations/Location/Name\" targetoffset=\"0\" methodname=\"put\"
paramcount=\"2\"" +
"
paramtypes=\"java.lang.Object,java.lang.Object\"/>" +
"<object-param-rule
pattern=\"Locations/Location/Name\" paramnumber=\"0\"
type=\"java.lang.String\" value=\"name\"/>" +
"<call-param-rule
pattern=\"Locations/Location/Name\" paramnumber=\"1\"/>" +
"<call-method-rule
pattern=\"Locations/Location/WKT\" targetoffset=\"0\" methodname=\"put\"
paramcount=\"2\"" +
"
paramtypes=\"java.lang.Object,java.lang.Object\"/>" +
"<object-param-rule
pattern=\"Locations/Location/WKT\" paramnumber=\"0\"
type=\"java.lang.String\" value=\"wkt\"/>" +
"<call-param-rule
pattern=\"Locations/Location/WKT\" paramnumber=\"1\"/>" +
"<set-next-rule
pattern=\"Locations/Location\" methodname=\"add\"/>" +
"</pattern>" +
"</digester-rules>";
private static String test3 = "<?xml version=\"1.0\"?>" +
"<digester-rules>" +
"<pattern value=\"Envelope/Person\">" +
"<object-create-rule
pattern=\"Locations\" classname=\"java.util.ArrayList\"/>" +
"<object-create-rule
pattern=\"Locations/Location\" classname=\"java.util.HashMap\"/>" +
"<call-method-rule
pattern=\"Locations/Location/Id\" targetoffset=\"0\" methodname=\"put\"
paramcount=\"2\"" +
"
paramtypes=\"java.lang.Object,java.lang.Object\"/>" +
"<object-param-rule
pattern=\"Locations/Location/Id\" paramnumber=\"0\"
type=\"java.lang.String\" value=\"id\"/>" +
"<call-param-rule
pattern=\"Locations/Location/Id\" paramnumber=\"1\"/>" +
"<call-method-rule
pattern=\"Locations/Location/DateAsOf\" targetoffset=\"0\"
methodname=\"put\" paramcount=\"2\"" +
"
paramtypes=\"java.lang.Object,java.lang.Object\"/>" +
"<object-param-rule
pattern=\"Locations/Location/DateAsOf\" paramnumber=\"0\"
type=\"java.lang.String\" value=\"date_as_of\"/>" +
"<call-param-rule
pattern=\"Locations/Location/DateAsOf\" paramnumber=\"1\"/>" +
"<call-method-rule
pattern=\"Locations/Location/DateLastModified\" targetoffset=\"0\"
methodname=\"put\" paramcount=\"2\"" +
"
paramtypes=\"java.lang.Object,java.lang.Object\"/>" +
"<object-param-rule
pattern=\"Locations/Location/DateLastModified\" paramnumber=\"0\"
type=\"java.lang.String\" value=\"date_last_modified\"/>" +
"<call-param-rule
pattern=\"Locations/Location/DateLastModified\" paramnumber=\"1\"/>" +
"<call-method-rule
pattern=\"Locations/Location/Name\" targetoffset=\"0\" methodname=\"put\"
paramcount=\"2\"" +
"
paramtypes=\"java.lang.Object,java.lang.Object\"/>" +
"<call-method-rule
pattern=\"Locations/Location/Name\" targetoffset=\"0\" methodname=\"put\"
paramcount=\"2\"" +
"
paramtypes=\"java.lang.Object,java.lang.Object\"/>" +
"<object-param-rule
pattern=\"Locations/Location/Name\" paramnumber=\"0\"
type=\"java.lang.String\" value=\"name\"/>" +
"<call-param-rule
pattern=\"Locations/Location/Name\" paramnumber=\"1\"/>" +
"<call-method-rule
pattern=\"Locations/Location/WKT\" targetoffset=\"0\" methodname=\"put\"
paramcount=\"2\"" +
"
paramtypes=\"java.lang.Object,java.lang.Object\"/>" +
"<object-param-rule
pattern=\"Locations/Location/WKT\" paramnumber=\"0\"
type=\"java.lang.String\" value=\"wkt\"/>" +
"<call-param-rule
pattern=\"Locations/Location/WKT\" paramnumber=\"1\"/>" +
"<set-next-rule
pattern=\"Locations/Location\" methodname=\"add\"/>" +
"<call-method-rule pattern=\"Locations\"
targetoffset=\"1\" methodname=\"put\" paramcount=\"2\"" +
"
paramtypes=\"java.lang.String,java.util.ArrayList\"/>" +
"<object-param-rule
pattern=\"Locations\" paramnumber=\"0\" type=\"java.lang.String\"
value=\"locations\"/>" +
"<object-param-rule
pattern=\"Locations\" paramnumber=\"1\" type=\"java.util.ArrayList\"
fromstack=\"true\"/>" +
"</pattern>" +
"</digester-rules>";
private static String test4 = "<?xml version=\"1.0\"?>" +
"<digester-rules>" +
"<pattern value=\"Envelope\">" +
"<object-create-rule pattern=\"Person\"
classname=\"java.util.HashMap\"/>" +
"<object-create-rule
pattern=\"Person/Locations\" classname=\"java.util.ArrayList\"/>" +
"<object-create-rule
pattern=\"Person/Locations/Location\" classname=\"java.util.HashMap\"/>" +
"<call-method-rule
pattern=\"Person/Locations/Location/Id\" targetoffset=\"0\"
methodname=\"put\" paramcount=\"2\"" +
"
paramtypes=\"java.lang.Object,java.lang.Object\"/>" +
"<object-param-rule
pattern=\"Person/Locations/Location/Id\" paramnumber=\"0\"
type=\"java.lang.String\" value=\"id\"/>" +
"<call-param-rule
pattern=\"Person/Locations/Location/Id\" paramnumber=\"1\"/>" +
"<call-method-rule
pattern=\"Person/Locations/Location/DateAsOf\" targetoffset=\"0\"
methodname=\"put\" paramcount=\"2\"" +
"
paramtypes=\"java.lang.Object,java.lang.Object\"/>" +
"<object-param-rule
pattern=\"Person/Locations/Location/DateAsOf\" paramnumber=\"0\"
type=\"java.lang.String\" value=\"date_as_of\"/>" +
"<call-param-rule
pattern=\"Person/Locations/Location/DateAsOf\" paramnumber=\"1\"/>" +
"<call-method-rule
pattern=\"Person/Locations/Location/DateLastModified\" targetoffset=\"0\"
methodname=\"put\" paramcount=\"2\"" +
"
paramtypes=\"java.lang.Object,java.lang.Object\"/>" +
"<object-param-rule
pattern=\"Person/Locations/Location/DateLastModified\" paramnumber=\"0\"
type=\"java.lang.String\" value=\"date_last_modified\"/>" +
"<call-param-rule
pattern=\"Person/Locations/Location/DateLastModified\" paramnumber=\"1\"/>"
+
"<call-method-rule
pattern=\"Person/Locations/Location/Name\" targetoffset=\"0\"
methodname=\"put\" paramcount=\"2\"" +
"
paramtypes=\"java.lang.Object,java.lang.Object\"/>" +
"<call-method-rule
pattern=\"Person/Locations/Location/Name\" targetoffset=\"0\"
methodname=\"put\" paramcount=\"2\"" +
"
paramtypes=\"java.lang.Object,java.lang.Object\"/>" +
"<object-param-rule
pattern=\"Person/Locations/Location/Name\" paramnumber=\"0\"
type=\"java.lang.String\" value=\"name\"/>" +
"<call-param-rule
pattern=\"Person/Locations/Location/Name\" paramnumber=\"1\"/>" +
"<call-method-rule
pattern=\"Person/Locations/Location/WKT\" targetoffset=\"0\"
methodname=\"put\" paramcount=\"2\"" +
"
paramtypes=\"java.lang.Object,java.lang.Object\"/>" +
"<object-param-rule
pattern=\"Person/Locations/Location/WKT\" paramnumber=\"0\"
type=\"java.lang.String\" value=\"wkt\"/>" +
"<call-param-rule
pattern=\"Person/Locations/Location/WKT\" paramnumber=\"1\"/>" +
"<set-next-rule
pattern=\"Person/Locations/Location\" methodname=\"add\"/>" +
"<call-method-rule
pattern=\"Person/Locations\" targetoffset=\"1\" methodname=\"put\"
paramcount=\"2\"" +
"
paramtypes=\"java.lang.String,java.util.ArrayList\"/>" +
"<object-param-rule
pattern=\"Person/Locations\" paramnumber=\"0\" type=\"java.lang.String\"
value=\"locations\"/>" +
"<object-param-rule
pattern=\"Person/Locations\" paramnumber=\"1\" type=\"java.util.ArrayList\"
fromstack=\"true\"/>" +
"</pattern>" +
"</digester-rules>";
@SuppressWarnings("unchecked")
public static void main(String[] args)
{
// First version, just make a list that contains a hash map.
// This works, and values show up.
System.out.println("----------------------- First Test
---------------------------");
ByteArrayInputStream stream = new ByteArrayInputStream(xml.getBytes());
Digester digester = new Digester();
digester.setValidating(false);
digester.addObjectCreate("Envelope/Person/Locations",
"java.util.ArrayList");
digester.addObjectCreate("Envelope/Person/Locations/Location",
"java.util.HashMap");
digester.addCallMethod("Envelope/Person/Locations/Location/Id", "put",
2, new String[] { "java.lang.String", "java.lang.Object" });
digester.addObjectParam("Envelope/Person/Locations/Location/Id", 0,
"id");
digester.addCallParam("Envelope/Person/Locations/Location/Id", 1);
digester.addCallMethod("Envelope/Person/Locations/Location/DateAsOf",
"put", 2, new String[] { "java.lang.String", "java.lang.Object" });
digester.addObjectParam("Envelope/Person/Locations/Location/DateAsOf",
0, "date_as_of");
digester.addCallParam("Envelope/Person/Locations/Location/DateAsOf", 1);
digester.addCallMethod("Envelope/Person/Locations/Location/DateLastModified"
, "put", 2, new String[] { "java.lang.String", "java.lang.Object" });
digester.addObjectParam("Envelope/Person/Locations/Location/DateLastModified
", 0, "date_last_modified");
digester.addCallParam("Envelope/Person/Locations/Location/DateLastModified",
1);
digester.addCallMethod("Envelope/Person/Locations/Location/Name", "put",
2, new String[] { "java.lang.String", "java.lang.Object" });
digester.addObjectParam("Envelope/Person/Locations/Location/Name", 0,
"name");
digester.addCallParam("Envelope/Person/Locations/Location/Name", 1);
digester.addCallMethod("Envelope/Person/Locations/Location/WKT", "put",
2, new String[] { "java.lang.String", "java.lang.Object" });
digester.addObjectParam("Envelope/Person/Locations/Location/WKT", 0,
"wkt");
digester.addCallParam("Envelope/Person/Locations/Location/WKT", 1);
digester.addSetNext("Envelope/Person/Locations/Location", "add");
try
{
ArrayList results = (ArrayList)digester.parse(stream);
System.out.println("Results:");
for (Object item : results)
{
if (item instanceof Map)
{
System.out.println(" Item:");
for(Object tag : ((Map)item).keySet())
{
System.out.println(" " + tag + ": " +
((Map)item).get(tag));
}
}
else
{
System.err.println("Item was not a map: " + item);
}
}
}
catch (IOException e)
{
e.printStackTrace();
}
catch (SAXException e)
{
e.printStackTrace();
}
// Second version, just make a list that contains a hash map, using
xmlrules.
// This works, and values show up.
System.out.println("----------------------- Second Test
---------------------------");
stream = new ByteArrayInputStream(xml.getBytes());
digester = DigesterLoader.createDigester(new InputSource(new
ByteArrayInputStream(test2.getBytes())));
digester.setValidating(false);
try
{
ArrayList results = (ArrayList)digester.parse(stream);
System.out.println("Results:");
for (Object item : results)
{
if (item instanceof Map)
{
System.out.println(" Item:");
for(Object tag : ((Map)item).keySet())
{
System.out.println(" " + tag + ": " +
((Map)item).get(tag));
}
}
else
{
System.err.println("Item was not a map: " + item);
}
}
}
catch (IOException e)
{
e.printStackTrace();
}
catch (SAXException e)
{
e.printStackTrace();
}
// Third version, try to add the list as a value in a hash map.
// Doesn't work, array list is empty
System.out.println("----------------------- Third Test
---------------------------");
stream = new ByteArrayInputStream(xml.getBytes());
digester = DigesterLoader.createDigester(new InputSource(new
ByteArrayInputStream(test3.getBytes())));
digester.setValidating(false);
HashMap testMap = new HashMap();
digester.push(testMap);
try
{
digester.parse(stream);
System.out.println("Results:");
for (Object key : testMap.keySet())
{
System.out.println("Map key: " + key);
ArrayList results = (ArrayList)testMap.get(key);
for (Object item : results)
{
if (item instanceof Map)
{
System.out.println(" Item:");
for(Object tag : ((Map)item).keySet())
{
System.out.println(" " + tag + ": " +
((Map)item).get(tag));
}
}
else
{
System.err.println("Item was not a map: " + item);
}
}
}
}
catch (IOException e)
{
e.printStackTrace();
}
catch (SAXException e)
{
e.printStackTrace();
}
// Fourth version, try to add the list as a value in a hash map. Create
the hash map in the rule
// Still doesn't work, array list is empty.
System.out.println("----------------------- Fourth Test
---------------------------");
stream = new ByteArrayInputStream(xml.getBytes());
digester = DigesterLoader.createDigester(new InputSource(new
ByteArrayInputStream(test4.getBytes())));
digester.setValidating(false);
try
{
testMap = (HashMap)digester.parse(stream);
System.out.println("Results:");
for (Object key : testMap.keySet())
{
System.out.println("Map key: " + key);
ArrayList results = (ArrayList)testMap.get(key);
for (Object item : results)
{
if (item instanceof Map)
{
System.out.println(" Item:");
for(Object tag : ((Map)item).keySet())
{
System.out.println(" " + tag + ": " +
((Map)item).get(tag));
}
}
else
{
System.err.println("Item was not a map: " + item);
}
}
}
}
catch (IOException e)
{
e.printStackTrace();
}
catch (SAXException e)
{
e.printStackTrace();
}
}
}
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