001: /*
002: * Iterator.java
003: *
004: *
005: * Copyright (c) 2003 Rimfaxe ApS (www.rimfaxe.com).
006: * All rights reserved.
007: *
008: * This package is written by Lars Andersen <lars@rimfaxe.com>
009: * and licensed by Rimfaxe ApS.
010: *
011: * Redistribution and use in source and binary forms, with or without
012: * modification, are permitted provided that the following conditions
013: * are met:
014: *
015: * 1. Redistributions of source code must retain the above copyright
016: * notice, this list of conditions and the following disclaimer.
017: *
018: * 2. Redistributions in binary form must reproduce the above copyright
019: * notice, this list of conditions and the following disclaimer in
020: * the documentation and/or other materials provided with the
021: * distribution.
022: *
023: * 3. The end-user documentation included with the redistribution, if
024: * any, must include the following acknowlegement:
025: * "This product includes software developed by Rimfaxe ApS
026: (www.rimfaxe.com)"
027: * Alternately, this acknowlegement may appear in the software itself,
028: * if and wherever such third-party acknowlegements normally appear.
029: *
030: * 4. The names "Rimfaxe", "Rimfaxe Software", "Lars Andersen" and
031: * "Rimfaxe WebServer" must not be used to endorse or promote products
032: * derived from this software without prior written permission. For written
033: * permission, please contact info@rimfaxe.com
034: *
035: * 5. Products derived from this software may not be called "Rimfaxe"
036: * nor may "Rimfaxe" appear in their names without prior written
037: * permission of the Rimfaxe ApS.
038: *
039: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
040: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
041: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
042: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
043: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
044: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
045: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
046: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
047: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
048: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
049: * SUCH DAMAGE.
050: *
051: */
052:
053: package com.rimfaxe.xml.datamodel;
054:
055: import java.util.*;
056:
057: import org.w3c.dom.Attr;
058: import org.w3c.dom.Document;
059: import org.w3c.dom.NamedNodeMap;
060: import org.w3c.dom.Node;
061: import org.w3c.dom.NodeList;
062:
063: /**
064: *
065: * @author Lars Andersen
066: */
067: public class Iterator extends Object {
068: String name = "Iterator";
069: Vector list = new Vector();
070:
071: int current = -1;
072:
073: /** Creates new Iterator */
074: public Iterator() {
075: }
076:
077: /** Creates new Container */
078: public Iterator(Node node) {
079: NodeList children = node.getChildNodes();
080: if (children != null) {
081: NamedNodeMap attrs = node.getAttributes();
082: String id = attrs.getNamedItem("id").getNodeValue();
083: this .name = id;
084:
085: int len = children.getLength();
086: for (int i = 0; i < len; i++) {
087: traverse(children.item(i));
088: }
089: }
090: }
091:
092: public void setName(String val) {
093: this .name = val;
094: }
095:
096: public String getName() {
097: return this .name;
098: }
099:
100: public void addContainer(Container c) {
101: list.addElement(c);
102: }
103:
104: public void reset() {
105: current = -1;
106: }
107:
108: public boolean fetch() {
109: if ((current + 1) < list.size()) {
110: current++;
111: return true;
112: }
113: return false;
114: }
115:
116: public Container getContainer() {
117: return (Container) list.elementAt(current);
118: }
119:
120: private String traverse(Node node) {
121:
122: StringBuffer str = new StringBuffer();
123:
124: if (node == null) {
125:
126: return "";
127: }
128: int type = node.getNodeType();
129: switch (type) {
130:
131: case Node.DOCUMENT_NODE: {
132: traverse(((Document) node).getDocumentElement());
133: break;
134: }
135:
136: case Node.ELEMENT_NODE: {
137: if (node.getNodeName().equalsIgnoreCase("subsection")) {
138:
139: addContainer(new Container("element", node));
140: } else {
141: NodeList children = node.getChildNodes();
142: if (children != null) {
143: int len = children.getLength();
144: for (int i = 0; i < len; i++)
145: traverse(children.item(i));
146: }
147: }
148: break;
149: }
150:
151: case Node.TEXT_NODE: {
152: //if (node instanceof TextImpl)
153: //{
154: str.append(node.getNodeValue());
155: //}
156: break;
157: }
158: }
159: return str.toString();
160: }
161:
162: public String toXML()
163: {
164: StringBuffer buf = new StringBuffer();
165: buf.append("<list id=\""+name+"\">\n");
166:
167:
168: Enumeration enum = list.elements();
169: while (enum.hasMoreElements())
170: {
171: Container c = (Container) enum.nextElement();
172: buf.append(" "+c.toXML()+"\n");
173: }
174:
175: buf.append("</list>\n");
176: return ""+buf;
177: }
178:
179: public int size() {
180: return list.size();
181: }
182: }
|