Document for
* StarOffice documents.
*/
public class DOMDocument
implements writer2latex.xmerge.Document {
/** Factory for DocumentBuilder objects. */
private static DocumentBuilderFactory factory =
DocumentBuilderFactory.newInstance();
/** DOM Document of content.xml. */
private Document contentDoc = null;
/** DOM Document of styles.xml. */
//private Document styleDoc = null;
private String documentName = null;
private String fileName = null;
private String fileExt = null;
/** Resources object. */
//private Resources res = null;
/**
* Default constructor.
*
* @param name Document name.
* @param ext Document extension.
*/
public DOMDocument(String name,String ext)
{
this(name,ext,true, false);
}
/**
* Returns the file extension of the Document
* represented.
*
* @return file extension of the Document.
*/
protected String getFileExtension() {
return fileExt;
}
/**
* Constructor with arguments to set namespaceAware
* and validating flags.
*
* @param name Document name (may or may not
* contain extension).
* @param ext Document extension.
* @param namespaceAware Value for namespaceAware flag.
* @param validating Value for validating flag.
*/
public DOMDocument(String name, String ext,boolean namespaceAware, boolean validating) {
//res = Resources.getInstance();
factory.setValidating(validating);
factory.setNamespaceAware(namespaceAware);
this.fileExt = ext;
this.documentName = trimDocumentName(name);
this.fileName = documentName + getFileExtension();
}
/**
* Removes the file extension from the Document
* name.
*
* @param name Full Document name with extension.
*
* @return Name of Document without the extension.
*/
private String trimDocumentName(String name) {
String temp = name.toLowerCase();
String ext = getFileExtension();
if (temp.endsWith(ext)) {
// strip the extension
int nlen = name.length();
int endIndex = nlen - ext.length();
name = name.substring(0,endIndex);
}
return name;
}
/**
* Return a DOM Document object of the document content
* file. Note that a content DOM is not created when the constructor
* is called. So, either the read method or the
* initContentDOM method will need to be called ahead
* on this object before calling this method.
*
* @return DOM Document object.
*/
public Document getContentDOM() {
return contentDoc;
}
/**
* Sets the Content of the Document to the contents of the
* supplied Node list.
*
* @param newDom DOM Document object.
*/
public void setContentDOM( Node newDom) {
contentDoc=(Document)newDom;
}
/**
* Return the name of the Document.
*
* @return The name of Document.
*/
public String getName() {
return documentName;
}
/**
* Return the file name of the Document, possibly
* with the standard extension.
*
* @return The file name of Document.
*/
public String getFileName() {
return fileName;
}
/**
* Read the Office Document from the specified
* InputStream.
*
* @param is Office document InputStream.
*
* @throws IOException If any I/O error occurs.
*/
public void read(InputStream is) throws IOException {
DocumentBuilder builder = null;
try {
builder = factory.newDocumentBuilder();
} catch (ParserConfigurationException ex) {
throw new IOException(ex.getMessage());
}
try {
contentDoc= builder.parse(is);
} catch (SAXException ex) {
throw new IOException(ex.getMessage());
}
}
/**
* Write out content to the supplied OutputStream.
* (with pretty printing)
* @param os XML OutputStream.
* @throws IOException If any I/O error occurs.
*/
public void write(OutputStream os) throws IOException {
OutputStreamWriter osw = new OutputStreamWriter(os,"UTF-8");
osw.write("\n");
write(getContentDOM().getDocumentElement(),0,osw);
osw.flush();
osw.close();
}
// Write nodes; we only need element, text and comment nodes
private void write(Node node, int nLevel, OutputStreamWriter osw) throws IOException {
short nType = node.getNodeType();
switch (nType) {
case Node.ELEMENT_NODE:
if (node.hasChildNodes()) {
// Block pretty print from this node?
NodeList list = node.getChildNodes();
int nLen = list.getLength();
boolean bBlockPrettyPrint = false;
if (nLevel>=0) {
for (int i = 0; i < nLen; i++) {
bBlockPrettyPrint |= list.item(i).getNodeType()==Node.TEXT_NODE;
}
}
// Print start tag
if (nLevel>=0) { writeSpaces(nLevel,osw); }
osw.write("<"+node.getNodeName());
writeAttributes(node,osw);
osw.write(">");
if (nLevel>=0 && !bBlockPrettyPrint) { osw.write("\n"); }
// Print children
for (int i = 0; i < nLen; i++) {
int nNextLevel;
if (bBlockPrettyPrint || nLevel<0) { nNextLevel=-1; }
else { nNextLevel=nLevel+1; }
write(list.item(i),nNextLevel,osw);
}
// Print end tag
if (nLevel>=0 && !bBlockPrettyPrint) { writeSpaces(nLevel,osw); }
osw.write("");
if (nLevel>=0) { osw.write("\n"); }
}
else { // empty element
if (nLevel>=0) { writeSpaces(nLevel,osw); }
osw.write("<"+node.getNodeName());
writeAttributes(node,osw);
osw.write(" />");
if (nLevel>=0) { osw.write("\n"); }
}
break;
case Node.TEXT_NODE:
write(node.getNodeValue(),osw);
break;
case Node.COMMENT_NODE:
if (nLevel>=0) { writeSpaces(nLevel,osw); }
osw.write("");
if (nLevel>=0) { osw.write("\n"); }
}
}
private void writeAttributes(Node node, OutputStreamWriter osw) throws IOException {
NamedNodeMap attr = node.getAttributes();
int nLen = attr.getLength();
for (int i=0; iDocument with the content
* containing minimum XML tags.
*
* @throws IOException If any I/O error occurs.
*/
public final void initContentDOM() throws IOException {
contentDoc = createDOM("");
}
/**
* Creates a new DOM Document containing minimum
* OpenOffice XML tags.
This method uses the subclass
* getOfficeClassAttribute method to get the
* attribute for office:class.
Document.
*
* @throws IOException If any I/O error occurs.
*/
private final Document createDOM(String rootName) throws IOException {
Document doc = null;
try {
DocumentBuilder builder = factory.newDocumentBuilder();
doc = builder.newDocument();
} catch (ParserConfigurationException ex) {
System.err.println("Error:"+ ex);
}
Element root = (Element) doc.createElement(rootName);
doc.appendChild(root);
return doc;
}
// We need these because we implement OutputFile
public String getMIMEType() {
return "";
}
public boolean isMasterDocument() {
return false;
}
}