01: /*
02: * <copyright>
03: *
04: * Copyright 1997-2004 BBNT Solutions, LLC
05: * under sponsorship of the Defense Advanced Research Projects
06: * Agency (DARPA).
07: *
08: * You can redistribute this software and/or modify it under the
09: * terms of the Cougaar Open Source License as published on the
10: * Cougaar Open Source Website (www.cougaar.org).
11: *
12: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
13: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
14: * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
15: * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
16: * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
17: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
18: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
22: * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23: *
24: * </copyright>
25: */
26:
27: package org.cougaar.lib.xml.parser;
28:
29: import org.cougaar.planning.ldm.LDMServesPlugin;
30: import org.cougaar.util.log.Logger;
31: import org.w3c.dom.Node;
32: import org.w3c.dom.NodeList;
33:
34: /**
35: * Parses the value portion of an object in an xml file.
36: */
37: public class ValueParser {
38:
39: public ValueParser(Logger logger, ObjectParser objectParser) {
40: this .objectParser = objectParser;
41: }
42:
43: public Object getValue(LDMServesPlugin ldm, Node node) {
44: // Note need the LDMServesPlugin to be able to call ObjectParser.
45:
46: Object retval = null;
47:
48: if (node.getNodeName().equals("value")) {
49: NodeList nlist = node.getChildNodes();
50: int nlength = nlist.getLength();
51:
52: for (int i = 0; i < nlength; i++) {
53: Node child = nlist.item(i);
54: String childname = child.getNodeName();
55:
56: if (child.getNodeType() == Node.ELEMENT_NODE) {
57:
58: if (childname.equals("object")) {
59: retval = objectParser.getObject(ldm, child);
60: } else if (childname.equals("array")) {
61: // BOZO: need to do a loop and get the
62: // list one by one.
63: getValue(ldm, child);
64: }
65: } else if (child.getNodeType() == Node.TEXT_NODE) {
66: // PCData
67: String data = child.getNodeValue().trim();
68: if (data.length() != 0) {
69: retval = data;
70: }
71: }
72: }
73: }
74:
75: return retval;
76: }
77:
78: protected ObjectParser objectParser;
79: }
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