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// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
import org.w3c.dom.*;
import org.apache.xml.serialize.*;
import javax.xml.parsers.*;
import java.util.*;
import java.io.*;
import java.net.*;
public class ParseXML {
Document dom = null;
public ParseXML() {// nothing
}
public void parse(java.io.InputStream is) {
try {
// get the factory
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
// Using factory get an instance of document builder
DocumentBuilder db = dbf.newDocumentBuilder();
// parse using builder to get DOM representation of the XML file
dom = db.parse(is);
} catch (Exception se) {
System.out.println("ERROR: unable to parse xml");
se.printStackTrace();
try {
BufferedReader br = new BufferedReader(new InputStreamReader(is));
StringBuilder sb = new StringBuilder();
String line = null;
while ((line = br.readLine()) != null) {
sb.append(line + "\n");
}
br.close();
System.out.println("ERROR XML = " + sb.toString());
} catch (Exception se1) {
System.out.println("ERROR: unable to print xml");
se1.printStackTrace();
}
}
}
public String getvalue(String tag) {
String temp = null;
try {
// get the root elememt
Element docEle = dom.getDocumentElement();
// get a nodelist of <employee> elements
NodeList nl = docEle.getElementsByTagName(tag);
if (nl != null && nl.getLength() > 0) {
Element el = (Element) nl.item(0);
if (el != null) {
temp = el.getFirstChild().getNodeValue();
}
}
} catch (Exception e) {
System.out.println("ERROR: Tag=" + tag + "has no values");
return null;
}
return temp;
}
public void prettyprintxml() {
try {
// Serialize the document
OutputFormat format = new OutputFormat(dom);
format.setLineWidth(65);
format.setIndenting(true);
format.setIndent(2);
XMLSerializer serializer = new XMLSerializer(System.out, format);
serializer.serialize(dom);
} catch (Exception e) {}
}
private String getTextValue(Element ele, String tagName) {
String textVal = null;
NodeList nl = ele.getElementsByTagName(tagName);
if (nl != null && nl.getLength() > 0) {
Element el = (Element) nl.item(0);
textVal = el.getFirstChild().getNodeValue();
}
return textVal;
}
// returns an arraylist of values for the corresponding tag
public ArrayList constructvaluelist(String first, String second) {
String temp = null;
ArrayList al = new ArrayList();
try {
// get the root elememt
Element docEle = dom.getDocumentElement();
// get a nodelist of <employee> elements
NodeList nl = docEle.getElementsByTagName(first);
if (nl != null && nl.getLength() > 0) {
for (int i = 0; i < nl.getLength(); i++) {
Element el = (Element) nl.item(i);
String value = getTextValue(el, second);
System.out.println("tag=" + second + " value=" + value);
if (value != null) {
al.add(value);
}
}
}
} catch (Exception e) {
System.out.println("ERROR: Tag=" + first + " has no values");
}
return al;
}
public static void main(String args[]) {
try {
ParseXML px = new ParseXML();
FileInputStream fiscfg = new FileInputStream("/tmp/test.xml");
px.parse(fiscfg);
px.prettyprintxml();
} catch (Exception e) {}
}
}
; // end class
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