01: /*
02: * <copyright>
03: *
04: * Copyright 2001-2004 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: package org.cougaar.planning.servlet.data.hierarchy;
27:
28: import org.cougaar.planning.servlet.data.Failure;
29: import org.cougaar.planning.servlet.data.xml.DeXMLable;
30: import org.cougaar.planning.servlet.data.xml.DeXMLableFactory;
31: import org.cougaar.planning.servlet.data.xml.UnexpectedXMLException;
32: import org.xml.sax.Attributes;
33:
34: /**
35: * Factory that produces sub-objects based on tags and attributes
36: * for HierarchyData
37: *
38: * @since 1/24/01
39: **/
40: public class HierarchyDataFactory implements DeXMLableFactory {
41:
42: //Variables:
43: ////////////
44:
45: //Members:
46: //////////
47:
48: /**
49: * This is a look ahead to see if we should start a sub object.
50: * The caller will first call this function on startElement. If
51: * this function returns null, the startElement will be reported
52: * to the current object with a call to openTag(...). Otherwise
53: * this function should return a new DeXMLable subobject that
54: * further output will be deligated to, until the subobject returns
55: * true from a call to endElement().
56: *
57: * @param curObj the current object
58: * @param name startElement tag
59: * @param attr startElement attributes
60: * @return a new DeXMLable subobject if a subobject should be created,
61: * otherwise null.
62: **/
63: public DeXMLable beginSubObject(DeXMLable curObj, String name,
64: Attributes attr) throws UnexpectedXMLException {
65: if (curObj == null) {
66: if (name.equals(HierarchyData.NAME_TAG)) {
67: return new HierarchyData();
68: } else if (name.equals(Failure.NAME_TAG)) {
69: return new Failure();
70: }
71: } else if ((curObj instanceof HierarchyData)
72: && name.equals(Organization.NAME_TAG)) {
73: return new Organization();
74: }
75: return null;
76: }
77: }
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