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*
* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
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import java.io.*;
import java.util.*;
import com.sun.star.uno.*;
import com.sun.star.lang.*;
import com.sun.star.beans.*;
import com.sun.star.comp.loader.FactoryHelper;
import com.sun.star.registry.XRegistryKey;
import com.sun.star.xml.*;
import com.sun.star.xml.sax.*;
import com.sun.star.io.XInputStream;
import com.sun.star.io.XOutputStream;
import com.sun.star.io.XActiveDataSource;
public class FlatXml implements XImportFilter, XExportFilter, XServiceName,
XServiceInfo, XDocumentHandler, XTypeProvider
{
/*
* private data members
*/
private XMultiServiceFactory m_xServiceFactory;
private XExtendedDocumentHandler m_xHandler;
private boolean m_bPrettyPrint = true;
static private final String __serviceName = "devguide.officedev.samples.filter.FlatXmlJava";
static private final String __implName = "FlatXml";
static private final String[] __supportedServiceNames = {
"devguide.officedev.samples.filter.FlatXmlJava"
};
public FlatXml(XMultiServiceFactory f) {
m_xServiceFactory = f;
}
// --- XTypeProvider ---
public byte[] getImplementationId() {
return Integer.toString(this.hashCode()).getBytes();
}
// --- XServiceName ---
public String getServiceName() {
return( __serviceName );
}
// --- XServiceInfo ---
public boolean supportsService(String sName) {
for (int i = 0; i < __supportedServiceNames.length; i++) {
if (__supportedServiceNames[i].equals(sName)) return true;
}
return false;
}
public String getImplementationName() {
return( this.getClass().getName() );
}
public String[] getSupportedServiceNames() {
return( __supportedServiceNames );
}
public com.sun.star.uno.Type[] getTypes() {
Type[] typeReturn = {};
try {
typeReturn = new Type[] {
new Type( XTypeProvider.class ),
new Type( XExportFilter.class ),
new Type( XImportFilter.class ),
new Type( XServiceName.class ),
new Type( XServiceInfo.class )
};
} catch( java.lang.Exception exception ) {
return null;
}
return( typeReturn );
}
public boolean importer(PropertyValue[] aSourceData, XDocumentHandler xDocHandler, String[] msUserData)
throws com.sun.star.uno.RuntimeException, com.sun.star.lang.IllegalArgumentException
{
String sName = null;
String sFileName = null;
String sURL = null;
com.sun.star.io.XInputStream xin = null;
try {
for (int i = 0 ; i < aSourceData.length; i++)
{
sName = aSourceData[i].Name;
if (sName.equals("InputStream"))
xin = (XInputStream)AnyConverter.toObject(XInputStream.class, aSourceData[i].Value);
if (sName.equals("URL"))
sURL=(String)AnyConverter.toObject(String.class, aSourceData[i].Value);
if (sName.equals("FileName"))
sFileName=(String)AnyConverter.toObject(String.class, aSourceData[i].Value);
}
Object tmpObj=m_xServiceFactory.createInstance("com.sun.star.xml.sax.Parser");
if (tmpObj == null) return false;
XParser xParser = (XParser)UnoRuntime.queryInterface(XParser.class , tmpObj);
if (xParser == null) return false;
InputSource aInput = new InputSource();
aInput.sSystemId = sURL;
aInput.aInputStream =xin;
xParser.setDocumentHandler ( xDocHandler );
xParser.parseStream ( aInput );
} catch (com.sun.star.uno.Exception e){
e.printStackTrace();
return false;
}
// done...
return true;
}
public boolean exporter(PropertyValue[] aSourceData, String[] msUserData)
throws com.sun.star.uno.RuntimeException, com.sun.star.lang.IllegalArgumentException
{
try {
String sURL = null;
String sName = null;
XOutputStream xos = null;
// get interesting values from sourceData
for (int i = 0 ; i < aSourceData.length; i++)
{
sName = aSourceData[i].Name;
if (sName.equals("OutputStream"))
xos = (XOutputStream)AnyConverter.toObject(XOutputStream.class, aSourceData[i].Value);
if (sName.equals("URL"))
sURL=(String)AnyConverter.toObject(String.class, aSourceData[i].Value);
}
// prepare the XML writer
Object tmpObj = null;
if (m_xHandler == null)
{
tmpObj = m_xServiceFactory.createInstance("com.sun.star.xml.sax.Writer");
if (tmpObj != null)
m_xHandler = (XExtendedDocumentHandler)UnoRuntime.queryInterface(XExtendedDocumentHandler.class, tmpObj);
}
if (m_xHandler == null)
return false;
// Connect the provided output stream to the writer
XActiveDataSource xADSource = (XActiveDataSource)UnoRuntime.queryInterface(
XActiveDataSource.class, m_xHandler);
if (xADSource != null && xos != null)
xADSource.setOutputStream(xos);
else
return false;
} catch (com.sun.star.uno.Exception e){
return false;
}
// done ...
return true;
}
public void startDocument ()
throws com.sun.star.xml.sax.SAXException
{
m_xHandler.startDocument();
}
public void endDocument()
throws com.sun.star.xml.sax.SAXException
{
m_xHandler.endDocument();
}
public void startElement (String str, com.sun.star.xml.sax.XAttributeList xattribs)
throws com.sun.star.xml.sax.SAXException
{
m_xHandler.startElement(str, xattribs);
}
public void endElement(String str)
throws com.sun.star.xml.sax.SAXException
{
m_xHandler.endElement(str);
}
public void characters(String str)
throws com.sun.star.xml.sax.SAXException
{
m_xHandler.characters(str);
}
public void ignorableWhitespace(String str)
throws com.sun.star.xml.sax.SAXException
{
if (!m_bPrettyPrint) return;
else m_xHandler.ignorableWhitespace(str);
}
public void processingInstruction(String aTarget, String aData)
throws com.sun.star.xml.sax.SAXException
{
m_xHandler.processingInstruction(aTarget, aData);
}
public void setDocumentLocator(XLocator xLocator)
throws com.sun.star.xml.sax.SAXException
{
m_xHandler.setDocumentLocator(xLocator);
}
// ------------------------------------------------------------
// component management
public static XSingleServiceFactory __getServiceFactory(String implName,
XMultiServiceFactory multiFactory, XRegistryKey regKey)
{
XSingleServiceFactory xSingleServiceFactory = null;
if (implName.equals(__implName) ) {
try {
xSingleServiceFactory = FactoryHelper.getServiceFactory(
Class.forName(implName), __serviceName, multiFactory, regKey);
} catch (java.lang.ClassNotFoundException e) {
return null;
}
}
return xSingleServiceFactory;
}
// This method not longer necessary since OOo 3.4 where the component registration
// was changed to passive component registration. For more details see
// http://wiki.services.openoffice.org/wiki/Passive_Component_Registration
// public static boolean __writeRegistryServiceInfo(XRegistryKey regKey)
// {
// return FactoryHelper.writeRegistryServiceInfo(__implName,
// __serviceName, regKey);
// }
}