com.itextpdf.text.xml.XmlToTxt Maven / Gradle / Ivy
/*
* $Id: fc7d3c39734d7e7455d9c1299f6620dd7a7d31e9 $
*
* This file is part of the iText (R) project.
* Copyright (c) 1998-2016 iText Group NV
* Authors: Bruno Lowagie, Paulo Soares, Balder Van Camp, et al.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License version 3
* as published by the Free Software Foundation with the addition of the
* following permission added to Section 15 as permitted in Section 7(a):
* FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
* ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
* OF THIRD PARTY RIGHTS
*
* 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 Affero General Public License for more details.
* You should have received a copy of the GNU Affero General Public License
* along with this program; if not, see http://www.gnu.org/licenses or write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA, 02110-1301 USA, or download the license from the following URL:
* http://itextpdf.com/terms-of-use/
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License.
*
* In accordance with Section 7(b) of the GNU Affero General Public License,
* a covered work must retain the producer line in every PDF that is created
* or manipulated using iText.
*
* You can be released from the requirements of the license by purchasing
* a commercial license. Buying such a license is mandatory as soon as you
* develop commercial activities involving the iText software without
* disclosing the source code of your own applications.
* These activities include: offering paid services to customers as an ASP,
* serving PDFs on the fly in a web application, shipping iText with a closed
* source product.
*
* For more information, please contact iText Software Corp. at this
* address: [email protected]
*/
package com.itextpdf.text.xml;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.Map;
import com.itextpdf.text.xml.simpleparser.SimpleXMLDocHandler;
import com.itextpdf.text.xml.simpleparser.SimpleXMLParser;
/**
* This class converts XML into plain text stripping all tags.
*/
public class XmlToTxt implements SimpleXMLDocHandler {
/**
* Buffer that stores all content that is encountered.
*/
protected StringBuffer buf;
/**
* Static method that parses an XML InputStream.
* @param is the XML input that needs to be parsed
* @return a String obtained by removing all tags from the XML
*/
public static String parse(InputStream is) throws IOException {
XmlToTxt handler = new XmlToTxt();
SimpleXMLParser.parse(handler, null, new InputStreamReader(is), true);
return handler.toString();
}
/**
* Creates an instance of XML to TXT.
*/
protected XmlToTxt() {
buf = new StringBuffer();
}
/**
* @return the String after parsing.
*/
public String toString() {
return buf.toString();
}
/**
* @see com.itextpdf.text.xml.simpleparser.SimpleXMLDocHandler#startElement(java.lang.String, java.util.Map)
*/
public void startElement(String tag, Map h) {
}
/**
* @see com.itextpdf.text.xml.simpleparser.SimpleXMLDocHandler#endElement(java.lang.String)
*/
public void endElement(String tag) {
}
/**
* @see com.itextpdf.text.xml.simpleparser.SimpleXMLDocHandler#startDocument()
*/
public void startDocument() {
}
/**
* @see com.itextpdf.text.xml.simpleparser.SimpleXMLDocHandler#endDocument()
*/
public void endDocument() {
}
/**
* @see com.itextpdf.text.xml.simpleparser.SimpleXMLDocHandler#text(java.lang.String)
*/
public void text(String str) {
buf.append(str);
}
}