I just tried your program and it works just fine. The only thing you didn't
catch is that every text contained by the xml file is
put in the tree via a text file attached to the element concerned. that's why
your name node has no value, the value is contained in
a text subnode.
Just look at the structure of your tree :
[#document: null]
Children :
[address-book: null]
[address-book: null]
Children :
[entry: null]
Children :
[name: null]
Children :
[#text: Jo Blo]
[address: null]
Children :
[street: null]
Children :
[#text: 3134 Broad Street]
and so on.
Here is the routine that displays a tree if you want ot use it :
private static void dump(Node node, int depth) {
// this should be useless but it seems that some attributes are created
// by the documents with null children... To be investigated, there should
// be a bug in xerces
if (node == null) {
return;
}
// indent
for (int i = 0; i < depth; i++) System.out.print(" ");
if (node instanceof Attr) {
System.out.println(node.toString() + " owned by " +
((Attr)node).getOwnerElement());
} else {
System.out.println(node.toString());
}
NamedNodeMap attributes = node.getAttributes();
if (attributes != null) {
if (attributes.getLength() > 0) {
for (int i = 0; i < depth; i++) System.out.print(" ");
System.out.println(" Attributes :");
}
for (int i = 0; i < attributes.getLength(); i++) dump(attributes.item(i),
depth+1);
}
NodeList children = node.getChildNodes();
if (children != null) {
if (children.getLength() >0 ) {
for (int i = 0; i < depth; i++) System.out.print(" ");
System.out.println(" Children :");
}
for (int i = 0; i < children.getLength(); i++) dump(children.item(i),
depth+1);
}
}
Sebastien
Son To wrote:
> OK I've tried what you suggested
>
> I included a DTD and did
> parser.setIncludeIgnorableWhitespace(false);
>
> but it still doesnt ignore all whitespaces (maybe I'm writing the DTD
> incorrectly?)
>
> here is the xml doc:
> ----
> <?xml version="1.0"?>
> <!DOCTYPE address-book SYSTEM "address-book.dtd">
>
> <address-book>
> <entry>
> <name>Jo Blo</name>
> <address>
> <street>3134 Broad Street</street>
> <city>Philadelphia</city>
> <state>Pennsylvania</state>
> <zip>19143</zip>
> </address>
>
> <tel>215-329-3134</tel>
> <fax>215-333-1234</fax>
> <email>[EMAIL PROTECTED]</email>
> </entry>
> </address-book>
>
> here is the DTD
> -----
> <!ELEMENT address-book (entry+)>
>
> <!ELEMENT entry (name, address, tel*, fax*, email*)>
>
> <!ELEMENT name (#PCDATA)>
>
> <!ELEMENT address (street, city, state, zip)>
> <!ELEMENT street (#PCDATA)>
> <!ELEMENT city (#PCDATA)>
> <!ELEMENT state (#PCDATA)>
> <!ELEMENT zip (#PCDATA)>
>
> <!ELEMENT tel (#PCDATA)>
>
> <!ELEMENT fax (#PCDATA)>
>
> <!ELEMENT email (#PCDATA)>
>
> Node addressBook = root.getDocumentElement();
> Node entry = addressBook.getFirstChild();
> Node name = entry.getFirstChild();
>
> name.getNodeValue() returns null
> name.getFirstChild().getNodeValue() returns "Jo Blo"
>
> if you want to reproduce my results, code, xml, and dtd are at
> http://gateway.homeip.net/~son/addressBook
>
> thanks for any feedback,
> son
