org.apache.poi.xwpf.converter.core.openxmlformats.AbstractOpenXMLFormatsPartProvider Maven / Gradle / Ivy
package org.apache.poi.xwpf.converter.core.openxmlformats;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.openxmlformats.schemas.drawingml.x2006.main.ThemeDocument;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTDocument1;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTSettings;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTStyles;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.DocumentDocument;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.FontsDocument;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.FtrDocument;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.HdrDocument;
import org.xml.sax.SAXException;
public abstract class AbstractOpenXMLFormatsPartProvider
implements IOpenXMLFormatsPartProvider
{
private CTDocument1 document;
private final Map handlers;
public AbstractOpenXMLFormatsPartProvider()
{
this.handlers = new HashMap();
}
public CTDocument1 getDocument()
throws Exception
{
if ( document == null )
{
DocumentDocument doc = DocumentDocument.Factory.parse( getEntryInputStream( "word/document.xml" ) );
document = doc.getDocument();
}
return document;
}
public CTStyles getStyle()
throws Exception
{
return getHandler( null ).getStyle();
}
public List getFontsDocument()
throws Exception
{
return getHandler( null ).getFontsDocument();
}
public CTSettings getSettings()
throws Exception
{
return getHandler( null ).getSettings();
}
public List getThemeDocuments()
throws Exception
{
return getHandler( null ).getThemeDocuments();
}
public FtrDocument getFtrDocumentByPartId( String relId )
throws Exception
{
return getHandler( null ).getFtrDocument( relId );
}
public HdrDocument getHdrDocumentByPartId( String relId )
throws Exception
{
return getHandler( null ).getHdrDocument( relId );
}
private RelashionShipsHandler getHandler( String partName )
throws SAXException, IOException
{
if ( partName == null )
{
partName = "document.xml";
}
else
{
partName = getHandler( null ).getRelationship( partName ).target;
}
RelashionShipsHandler handler = handlers.get( partName );
if ( handler == null )
{
handler = RelashionShipsHandler.create( partName, this );
handlers.put( partName, handler );
}
return handler;
}
public InputStream getInputStreamByRelId( String partName, String relId )
throws Exception
{
return getHandler( partName ).getInputStreamByRelId( relId );
}
protected abstract InputStream getEntryInputStream( String entryName );
}