fr.opensagres.xdocreport.core.internal.IndentNumberPrettyPrinter Maven / Gradle / Ivy
/**
* Copyright (C) 2011-2015 The XDocReport Team
*
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package fr.opensagres.xdocreport.core.internal;
import java.io.StringReader;
import java.io.StringWriter;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;
/**
* XML Pretty Printer implemented with "indent-number". This XML Pretty Printer implementation can crash with this error
* :
*
*
* java.lang.IllegalArgumentException: Not supported: indent-number
*
*
* (see bug http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6519088)
*/
public class IndentNumberPrettyPrinter
implements IXMLPrettyPrinter
{
private static final String YES = "yes";
private static final String INDENT_NUMBER = "indent-number";
public static final IXMLPrettyPrinter INSTANCE = new IndentNumberPrettyPrinter();
public String prettyPrint( String xml, int indent )
throws Exception
{
TransformerFactory factory = TransformerFactory.newInstance();
factory.setAttribute( INDENT_NUMBER, indent );
Transformer transformer = factory.newTransformer();
transformer.setOutputProperty( OutputKeys.OMIT_XML_DECLARATION, YES );
transformer.setOutputProperty( OutputKeys.INDENT, YES );
final StringWriter out = new StringWriter();
transformer.transform( new StreamSource( new StringReader( xml ) ), new StreamResult( out ) );
return out.toString();
}
}