XFADocument.java
/*
* GovWay - A customizable API Gateway
* https://govway.org
*
* Copyright (c) 2005-2024 Link.it srl (https://link.it).
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3, as published by
* the Free Software Foundation.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package org.openspcoop2.utils.pdf;
import java.io.ByteArrayOutputStream;
import org.apache.pdfbox.pdmodel.interactive.form.PDXFAResource;
import org.openspcoop2.utils.UtilsException;
import org.openspcoop2.utils.xml.XMLUtils;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
/**
* XFADocument
*
* @author Andrea Poli (apoli@link.it)
* @author $Author$
* @version $Rev$, $Date$
*/
public class XFADocument {
public static final String XFA_DATA_NAMESPACE = "http://www.xfa.org/schema/xfa-data/1.0/";
public static final String XFA_DATASETS_LOCAL_NAME = "datasets";
public static final String XFA_DATA_LOCAL_NAME = "data";
public static byte[] addXfaDatasets(byte[] content) throws UtilsException {
try {
String xmlPrefix = "<xfa:"+XFA_DATASETS_LOCAL_NAME+" xmlns:xfa=\""+XFA_DATA_NAMESPACE+"\">\n"+
"<xfa:"+XFA_DATA_LOCAL_NAME+">\n";
String xmlSuffix = "</xfa:"+XFA_DATA_LOCAL_NAME+">\n</xfa:"+XFA_DATASETS_LOCAL_NAME+">";
ByteArrayOutputStream bout = null;
bout = new ByteArrayOutputStream();
bout.write(xmlPrefix.getBytes());
bout.write(content);
bout.write(xmlSuffix.getBytes());
bout.flush();
bout.close();
return bout.toByteArray();
}catch(Exception e) {
throw new UtilsException(e.getMessage(),e);
}
}
private PDXFAResource xfa;
private Document document;
private byte[] content;
public PDXFAResource getXfa() {
return this.xfa;
}
public void setXfa(PDXFAResource xfa) {
this.xfa = xfa;
}
public Document getDocument() {
return this.document;
}
public void setDocument(Document document) {
this.document = document;
}
public byte[] getContent() {
return this.content;
}
public void setContent(byte[] content) {
this.content = content;
}
public boolean isXfaDataContent() {
Node n = this.getXfaDataContentNode();
return n!=null;
}
public Node getXfaDataContentNode() {
if(this.document!=null && this.document.getDocumentElement()!=null) {
Element rootElement = this.document.getDocumentElement();
if(XFA_DATA_NAMESPACE.equals(rootElement.getNamespaceURI()) && XFA_DATASETS_LOCAL_NAME.equals(rootElement.getLocalName())) {
XMLUtils xmlUtils = XMLUtils.getInstance();
Node nData = xmlUtils.getFirstNotEmptyChildNode(rootElement, false);
if(XFA_DATA_NAMESPACE.equals(nData.getNamespaceURI()) && XFA_DATA_LOCAL_NAME.equals(nData.getLocalName())) {
return xmlUtils.getFirstNotEmptyChildNode(nData, false);
}
}
}
return null;
}
public byte[] getXfaDataContent() throws UtilsException {
try {
byte[] contentData = null;
Node n = this.getXfaDataContentNode();
if(n!=null) {
XMLUtils xmlUtils = XMLUtils.getInstance();
contentData = xmlUtils.toByteArray(n, true);
}
return contentData;
}catch(Exception e) {
throw new UtilsException(e.getMessage(),e);
}
}
}