office-gobmx/xmlsecurity/tools/uno/SAXEventPrinter.java

320 lines
8.6 KiB
Java

/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
package com.sun.star.xml.security.uno;
import org.w3c.dom.Node;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Attr;
import org.w3c.dom.NodeList;
import java.io.IOException;
import java.io.FileOutputStream;
/* uno classes */
import com.sun.star.xml.sax.XDocumentHandler;
import com.sun.star.xml.sax.XAttributeList;
/*
* The SAXEventPrinter class is used to print out received
* SAX event stream.
*/
class SAXEventPrinter implements XDocumentHandler
{
/*
* how many spaces as the indent of line
*/
private int m_nIndent;
/*
* whether a NEW LINE character need to be appended to
* each line
*/
private boolean m_bIsFormatted;
/*
* the output stream to write
*/
private FileOutputStream m_fileOutputStream;
SAXEventPrinter(FileOutputStream fileOutputStream, boolean isFormatted)
{
m_nIndent = 0;
m_fileOutputStream = fileOutputStream;
m_bIsFormatted = isFormatted;
}
protected static void outputIndent(int m_nIndent, FileOutputStream fileOutputStream)
throws IOException
{
for (int i=0; i<m_nIndent; ++i)
{
fileOutputStream.write(" ".getBytes());
}
}
/*
* displays the tree of a Node.
*/
protected static void display(Node node, int indent, FileOutputStream fileOutputStream, boolean isFormatted)
throws IOException
{
if (node != null)
{
int type = node.getNodeType();
String message;
NodeList children;
int i, length;
switch (type)
{
case Node.DOCUMENT_NODE:
children = node.getChildNodes();
length = children.getLength();
for (i=0; i<length; ++i)
{
display(children.item(i), indent+2, fileOutputStream, isFormatted);
}
break;
case Node.ELEMENT_NODE:
message = new String("<"+node.getNodeName());
NamedNodeMap attrs = node.getAttributes();
length = attrs.getLength();
for (i=0; i<length; ++i)
{
Attr attr = (Attr)attrs.item(i);
message += " "+attr.getNodeName()+"=\""+attr.getNodeValue()+"\"";
}
message += ">";
if (isFormatted)
{
outputIndent(indent, fileOutputStream);
}
fileOutputStream.write(message.getBytes("UTF-8"));
if (isFormatted)
{
fileOutputStream.write("\n".getBytes());
}
children = node.getChildNodes();
length = children.getLength();
for (i=0; i<length; ++i)
{
display(children.item(i), indent+2, fileOutputStream, isFormatted);
}
if (isFormatted)
{
outputIndent(indent, fileOutputStream);
}
fileOutputStream.write("</".getBytes());
fileOutputStream.write(node.getNodeName().getBytes("UTF-8"));
fileOutputStream.write(">".getBytes());
if (isFormatted)
{
fileOutputStream.write("\n".getBytes());
}
break;
case Node.TEXT_NODE:
message = node.getNodeValue();
if (message != null )
{
if (isFormatted)
{
outputIndent(indent, fileOutputStream);
}
fileOutputStream.write(node.getNodeValue().getBytes("UTF-8"));
if (isFormatted)
{
fileOutputStream.write("\n".getBytes());
}
}
break;
case Node.PROCESSING_INSTRUCTION_NODE:
if (isFormatted)
{
outputIndent(indent, fileOutputStream);
}
fileOutputStream.write("<?".getBytes());
fileOutputStream.write(node.getNodeName().getBytes("UTF-8"));
fileOutputStream.write(node.getNodeValue().getBytes("UTF-8"));
fileOutputStream.write("?>".getBytes());
if (isFormatted)
{
fileOutputStream.write("\n".getBytes());
}
break;
default:
break;
}
}
}
/*
* XDocumentHandler
*/
public void startDocument ()
{
}
public void endDocument()
{
}
public void startElement (String str, com.sun.star.xml.sax.XAttributeList xattribs)
{
try
{
String message;
message = new String("<"+str);
if (xattribs !=null)
{
int length = xattribs.getLength();
for (short i=0; i<length; ++i)
{
message += " "+xattribs.getNameByIndex(i)+"=\""+xattribs.getValueByIndex(i)+"\"";
}
}
message += ">";
if (m_bIsFormatted)
{
outputIndent(m_nIndent, m_fileOutputStream);
}
m_fileOutputStream.write(message.getBytes("UTF-8"));
if (m_bIsFormatted)
{
m_fileOutputStream.write("\n".getBytes());
}
m_nIndent += 2;
}
catch (IOException e)
{
e.printStackTrace();
}
}
public void endElement(String str)
{
try
{
m_nIndent -= 2;
if (m_bIsFormatted)
{
outputIndent(m_nIndent, m_fileOutputStream);
}
m_fileOutputStream.write("</".getBytes());
m_fileOutputStream.write(str.getBytes("UTF-8"));
m_fileOutputStream.write(">".getBytes());
if (m_bIsFormatted)
{
m_fileOutputStream.write("\n".getBytes());
}
}
catch (IOException e)
{
e.printStackTrace();
}
}
public void characters(String str)
{
try
{
if (m_bIsFormatted)
{
outputIndent(m_nIndent, m_fileOutputStream);
}
m_fileOutputStream.write(str.getBytes("UTF-8"));
if (m_bIsFormatted)
{
m_fileOutputStream.write("\n".getBytes());
}
}
catch (IOException e)
{
e.printStackTrace();
}
}
public void ignorableWhitespace(String str)
{
}
public void processingInstruction(String aTarget, String aData)
{
try
{
if (m_bIsFormatted)
{
outputIndent(m_nIndent, m_fileOutputStream);
}
m_fileOutputStream.write("<?".getBytes());
m_fileOutputStream.write(aTarget.getBytes("UTF-8"));
m_fileOutputStream.write("?>".getBytes());
if (m_bIsFormatted)
{
m_fileOutputStream.write("\n".getBytes());
}
}
catch (IOException e)
{
e.printStackTrace();
}
}
public void setDocumentLocator (com.sun.star.xml.sax.XLocator xLocator )
throws com.sun.star.xml.sax.SAXException
{
}
}