/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
* Free SoftwareFoundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.xsl;
import com.caucho.util.CharBuffer;
import com.caucho.util.IntArray;
import com.caucho.util.L10N;
import com.caucho.vfs.Path;
import com.caucho.xml.*;
import com.caucho.xpath.Expr;
import com.caucho.xpath.ExprEnvironment;
import com.caucho.xpath.NamespaceContext;
import com.caucho.xpath.XPathException;
import org.w3c.dom.*;
import org.xml.sax.SAXException;
import java.io.IOException;
import java.io.OutputStream;
import java.io.Writer;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Writer stream for generating stylesheet output.
*
* <p>Because XSL produces an XML tree, XslWriter contains extra
* methods for constructing the tree.
*
* <p>The writer methods, e.g. println, add to the current text node.
*
* <p>In addition, stylesheets can access variables through getPwd and
* getPage.
*/
public class XslWriter extends Writer implements ExtendedLocator {
private static final Logger log
= Logger.getLogger(XslWriter.class.getName());
static final L10N L = new L10N(XslWriter.class);
// This is the value Axis wants
private final static String XMLNS = "http://www.w3.org/2000/xmlns/";
private final static XMLWriter ATTR_WRITER = new DOMBuilder();
private XMLWriter _xmlWriter;
String _systemId;
String _filename;
int _line;
int _tailLine;
private IntArray flags = new IntArray();
private CharBuffer _text = new CharBuffer();
private String elementName;
private String _attributeURL;
private String _attributePrefix;
private String _attributeLocalName;
private String _attributeName;
private ArrayList depends = new ArrayList();
private boolean _isCacheable = true;
private boolean _disableEscaping;
private boolean generateLocation;
private Document _document;
private StylesheetImpl _stylesheet;
private TransformerImpl _transformer;
private HashMap<String,String> _cdataElements;
private boolean isCdata;
private HashMap<String,String> _namespaces;
private ArrayList<String> _topNamespaces;
private ArrayList<StackItem> _elementStack;
private int _depth;
private ExtendedLocator _locator = null;
XslWriter(HashMap env,
StylesheetImpl stylesheet,
TransformerImpl transformer)
{
_stylesheet = stylesheet;
_transformer = transformer;
ArrayList<String> cdata = stylesheet.getOutputFormat().getCdataSectionElements();
if (cdata != null) {
_cdataElements = new HashMap<String,String>();
for (int i = 0; i < cdata.size(); i++) {
String element = cdata.get(i);
_cdataElements.put(element, element);
}
}
}
void init(XMLWriter xmlWriter)
{
_xmlWriter = xmlWriter;
_namespaces = new HashMap<String,String>();
_topNamespaces = new ArrayList<String>();
_elementStack = new ArrayList<StackItem>();
_document = null;
_locator = this;
xmlWriter.setDocumentLocator(_locator);
}
public TransformerImpl getTransformer()
{
return _transformer;
}
/**
* Returns true if the generated stylesheet is currently cacheable.
*/
boolean isCacheable()
{
return _isCacheable;
}
/**
* Returns the Path dependency list of the generated stylesheet.
*/
ArrayList getDepends()
{
return depends;
}
/**
* Indicate that the result document is not cacheable.
*/
public void setNotCacheable()
{
_isCacheable = false;
}
/**
* Add a dependency to the result document. When the result is checked
* for modification, this path will also be checked.
*/
public void addCacheDepend(Path path)
{
_transformer.addCacheDepend(path);
}
/**
* Implementation function so jsp:decl tags aren't repeated.
*/
public boolean isFlagFirst(int id)
{
while (flags.size() <= id)
flags.add(0);
int value = flags.get(id);
flags.set(id, 1);
return value == 0;
}
/**
* Adds a byte to the current text node.
*/
public void write(int ch)
{
_text.append((char) ch);
}
/**
* Adds a byte buffer to the current text node.
*/
public void write(byte []buf, int offset, int length)
{
for (int i = 0; i < length; i++)
write(buf[offset + i]);
}
/**
* Adds a char buffer to the current text node.
*/
public void write(char []buf, int offset, int length)
{
_text.append(buf, offset, length);
}
/**
* Adds a string to the current text node.
*/
public void print(String string)
{
if (string == null) {
_text.append("null");
return;
}
_text.append(string);
}
/**
* Adds a boolean to the current text node.
*/
public void print(boolean b)
{
_text.append(b);
}
/**
* Adds a character to the current text node.
*/
public void print(char ch)
{
_text.append(ch);
}
/**
* Adds an integer to the current text node.
*/
public void print(int i)
{
_text.append(i);
}
/**
* Adds an integer to the current text node.
*/
public void print(long l)
{
_text.append(l);
}
/**
* Adds a float to the current text node.
*/
public void print(float f)
{
_text.append(f);
}
/**
* Adds a double to the current text node.
*/
public void print(double d)
{
_text.append(d);
}
/**
* Adds an object to the current text node, converted by
* String.valueOf.
*/
public void print(Object o)
{
_text.append(o);
}
/**
* Adds a newline to the current text node.
*/
public void println()
{
_text.append('\n');
_tailLine++;
}
/**
* Adds a boolean to the current text node.
*/
public void println(boolean b)
{
_text.append(b);
println();
}
/**
* Adds a string to the current text node.
*/
public void println(String s)
{
print(s);
println();
}
/**
* Adds a character to the current text node.
*/
public void println(char ch)
{
print(ch);
println();
}
/**
* Adds an integer to the current text node.
*/
public void println(int i)
{
_text.append(i);
println();
}
/**
* Adds a long to the current text node.
*/
public void println(long l)
{
_text.append(l);
println();
}
/**
* Adds a double to the current text node.
*/
public void println(double d)
{
_text.append(d);
println();
}
/**
* Adds a float to the current text node.
*/
public void println(float f)
{
_text.append(f);
println();
}
/**
* Adds an object to the current text node, converted by String.valueOf.
*/
public void println(Object o)
{
_text.append(o);
println();
}
/**
* flush is meaningless for XslWriter. It's only added to conform to Writer.
*/
public void flush()
{
}
public void close()
throws IOException
{
try {
for (int i = 0; i < _topNamespaces.size(); i++) {
String topPrefix = _topNamespaces.get(i);
String topUrl = _namespaces.get(topPrefix);
if (topPrefix.equals(""))
_xmlWriter.endPrefixMapping(null);
else
_xmlWriter.endPrefixMapping(topPrefix);
}
popText();
_xmlWriter.endDocument();
} catch (SAXException e) {
throw new IOException(e.toString());
}
}
public boolean getDisableEscaping()
{
return _disableEscaping;
}
public boolean disableEscaping(boolean disable)
throws IOException, SAXException
{
if (disable != _disableEscaping) {
popText();
_xmlWriter.setEscapeText(! disable);
}
boolean old = _disableEscaping;
_disableEscaping = disable;
return old;
}
public void setLocation(String systemId, String filename, int line)
throws IOException, SAXException
{
// Don't need to pop the text if the line # matches
if (filename == null || ! filename.equals(_filename) ||
line != _tailLine)
popText();
_systemId = systemId;
_filename = filename;
_line = line;
_tailLine = line;
}
/**
* Adds a new element to the current node, making the new element the
* current node.
*
* <p>Each pushElement should be matched by a popElement.
*
* @param name name of the element
*/
public void pushElement(String name)
throws IOException, SAXException
{
popText();
String local;
int p = name.lastIndexOf(':');
if (p > 0)
local = name.substring(p + 1);
else
local = name;
startElement(null, null, local, name);
}
/**
* Adds a new element to the current node, making the new element the
* current node.
*
* <p>Each pushElement should be matched by a popElement.
*
* @param name name of the element
* @param namespace namespace context
*/
public void pushElement(String name, NamespaceContext namespace)
throws IOException, SAXException
{
popText();
// Look up the proper namespace for the element.
int p = name.indexOf(':');
if (p <= 0) {
startElement(null, null, name, name);
return;
}
String prefix = name.substring(0, p);
String url = namespace.find(namespace, prefix);
if (url != null)
startElement(url, prefix, name.substring(p + 1), name);
else
startElement(null, null, name, name);
}
/**
* Adds a new element to the current node, making the new element the
* current node.
*
* <p>Each pushElement should be matched by a popElement.
*
* @param name name of the element
* @param url namespace url
*/
public void pushElementNs(String name, String url)
throws IOException, SAXException
{
popText();
// Look up the proper namespace for the element.
int p = name.indexOf(':');
if (p <= 0) {
startElement(url, "", name, name);
return;
}
String prefix = name.substring(0, p);
String local = name.substring(p + 1);
startElement(url, prefix, local, name);
}
/**
* Adds a namespace-aware element to the current node, making the
* new element the current node.
*
* <p>Each pushElement should be matched by a popElement.
*
* @param prefix the prefix of the element name, e.g. xsl
* @param local the local part of the element name, e.g. template
* @param url the namespace url, e.g. http://www.xml.org/...
*/
public void pushElement(String url, String prefix, String local, String name)
throws IOException, SAXException
{
popText();
/*
if (url != null && url.startsWith("quote:"))
url = url.substring(6);
*/
startElement(url, prefix, local, name);
}
/**
* Adds a new attribute with the given name to the current node, making
* the attribute the current node.
*/
public XMLWriter pushAttribute(String name)
throws IOException, SAXException
{
popText();
XMLWriter oldWriter = _xmlWriter;
_xmlWriter = ATTR_WRITER;
_attributeURL = null;
_attributePrefix = null;
_attributeLocalName = null;
_attributeName = name;
return oldWriter;
}
/**
* Adds a new attribute with the given name to the current node, making
* the attribute the current node.
*/
public XMLWriter pushAttribute(String name, NamespaceContext namespace)
throws IOException, SAXException
{
popText();
XMLWriter oldWriter = _xmlWriter;
_xmlWriter = ATTR_WRITER;
// Look up the proper namespace for the element.
int p = name.indexOf(':');
String prefix = null;
if (p > 0)
prefix = name.substring(0, p);
String url = namespace.find(namespace, prefix);
Attr attr;
if (url != null) {
_attributeURL = url;
_attributePrefix = prefix;
_attributeLocalName = name.substring(p + 1);
_attributeName = name;
}
else {
_attributeURL = null;
_attributePrefix = null;
_attributeLocalName = null;
_attributeName = name;
}
return oldWriter;
}
/**
* Adds a new attribute to the current node, making the new attribute the
* current node.
*
* <p>Each pushAttributeNs should be matched by a popAttribute.
*
* @param name name of the element
* @param url namespace url
*/
public XMLWriter pushAttributeNs(String name, String url)
throws IOException, SAXException
{
popText();
XMLWriter oldWriter = _xmlWriter;
_xmlWriter = ATTR_WRITER;
Attr attr;
// Look up the proper namespace for the element.
int p = name.indexOf(':');
String prefix = null;
String local = name;
if (p > 0) {
prefix = name.substring(0, p);
local = name.substring(p + 1);
}
_attributeURL = url;
_attributePrefix = prefix;
_attributeLocalName = local;
_attributeName = name;
return oldWriter;
}
/**
* Adds a namespace-aware attribute to the current node, making the
* new attribute the current node.
*
* <p>Each pushAttribute should be matched by a popAttribute.
*
* @param prefix the prefix of the element name, e.g. xsl
* @param local the local part of the element name, e.g. template
* @param url the namespace url, e.g. http://www.xml.org/...
*/
public XMLWriter pushAttribute(String prefix, String local, String url)
throws IOException, SAXException
{
popText();
XMLWriter oldWriter = _xmlWriter;
_xmlWriter = ATTR_WRITER;
/*
if (url != null && url.startsWith("quote:"))
url = url.substring(6);
*/
_attributeURL = url;
_attributePrefix = prefix;
_attributeLocalName = local;
if (prefix != null && ! prefix.equals(""))
_attributeName = prefix + ":" + local;
else
_attributeName = local;
return oldWriter;
}
/**
* Adds a namespace-aware attribute to the current node, making the
* new attribute the current node.
*
* <p>Each pushAttribute should be matched by a popAttribute.
*
* @param prefix the prefix of the element name, e.g. xsl
* @param local the local part of the element name, e.g. template
* @param url the namespace url, e.g. http://www.xml.org/...
*/
public void setAttribute(String prefix, String local, String url,
String value)
throws IOException, SAXException
{
popText();
/*
if (url != null && url.startsWith("quote:"))
url = url.substring(6);
*/
String attributeName;
if (prefix != null && ! prefix.equals(""))
attributeName = prefix + ":" + local;
else
attributeName = local;
attribute(url, prefix, local, attributeName, value);
}
/**
* Adds a new attribute with the given name to the current node, making
* the attribute the current node.
*/
public void setAttribute(String name, NamespaceContext namespace, String value)
throws IOException, SAXException
{
popText();
// Look up the proper namespace for the element.
int p = name.indexOf(':');
String prefix = null;
if (p > 0)
prefix = name.substring(0, p);
String url = namespace.find(namespace, prefix);
Attr attr;
if (url != null) {
attribute(url, prefix, name.substring(p + 1), name, value);
}
else {
attribute(null, null, null, name, value);
}
}
/**
* Sets the attribute value to the current text, and sets the current node
* to the parent.
*/
public void popAttribute(XMLWriter writer)
throws IOException, SAXException
{
_xmlWriter = writer;
attribute(_attributeURL, _attributePrefix,
_attributeLocalName, _attributeName,
_text.toString());
_text.clear();
_attributeName = null;
}
/**
* Directly sets an attribute with a value.
*/
public void setAttribute(String name, String value)
throws IOException, SAXException
{
attribute(null, null, name, name, value);
}
/**
* Copies the node without attributes or children.
*/
public void pushCopy(Node copyNode)
throws IOException, SAXException
{
popText();
switch (copyNode.getNodeType()) {
case Node.ATTRIBUTE_NODE:
Node oldNode = copyNode;
attribute(oldNode.getNamespaceURI(),
oldNode.getPrefix(),
oldNode.getLocalName(),
oldNode.getNodeName(),
oldNode.getNodeValue());
break;
case Node.DOCUMENT_NODE:
return;
case Node.ELEMENT_NODE:
Element oldElt = (Element) copyNode;
/*
String oldSystemId = _systemId;
String oldFilename = _filename;
int oldLine = _line;
_systemId = oldElt.getBaseURI();
_filename = oldElt.getFilename();
_line = oldElt.getLine();
if (generateLocation)
_xmlWriter.setLocation(.getFilename(), oldElt.getLine(), 0);
*/
startElement(oldElt.getNamespaceURI(),
oldElt.getPrefix(),
oldElt.getLocalName(),
oldElt.getNodeName());
/*
_systemId = oldSystemId;
_filename = oldFilename;
_line = oldLine;
*/
break;
case Node.COMMENT_NODE:
_xmlWriter.comment(((Comment) copyNode).getData());
break;
case Node.TEXT_NODE:
/*
if (generateLocation)
_xmlWriter.setLocation(((QAbstractNode) copyNode).getFilename(),
((QAbstractNode) copyNode).getLine(),
0);
*/
_text.append(((Text) copyNode).getData());
break;
case Node.PROCESSING_INSTRUCTION_NODE:
ProcessingInstruction oldPi = (ProcessingInstruction) copyNode;
_xmlWriter.processingInstruction(oldPi.getNodeName(), oldPi.getNodeValue());
break;
}
}
/**
* Pops the copy.
*/
public void popCopy(Node copyNode)
throws IOException, SAXException
{
if (copyNode.getNodeType() == Node.ELEMENT_NODE) {
popText();
popElement();
}
}
public void pushPi()
throws IOException, SAXException
{
popText();
}
/**
* Sets the PI data to the current text, and sets the current node
* to the parent.
*/
public void popPi(String name)
throws IOException, SAXException
{
_xmlWriter.processingInstruction(name, _text.toString());
_text.clear();
}
/**
* Adds an empty comment to the current node, making
* the attribute the current node.
*/
public void pushComment()
throws IOException, SAXException
{
popText();
}
/**
* Sets the comment data to the current text, and sets the current
* to the the parent.
*/
public void popComment()
throws IOException, SAXException
{
_xmlWriter.comment(_text.toString());
_text.clear();
}
/**
* Starts a fragment. The fragment becomes the current node.
*/
public XMLWriter pushFragment()
throws IOException, SAXException
{
popText();
DOMBuilder domBuilder = new DOMBuilder();
if (_document == null)
_document = Xml.createDocument();
domBuilder.init(_document.createDocumentFragment());
domBuilder.setDocumentLocator(_locator);
XMLWriter oldWriter = _xmlWriter;
_xmlWriter = domBuilder;
return oldWriter;
}
/**
* Returns the generated fragment. The current node does not contain
* the new fragment.
*
* @return the generated fragment.
*/
public Node popFragment(XMLWriter oldWriter)
throws IOException, SAXException
{
popText();
DOMBuilder domBuilder = (DOMBuilder) _xmlWriter;
_xmlWriter = oldWriter;
domBuilder.endDocument();
Node node = domBuilder.getNode();
return node;
}
/**
* Adds a the contents of the node to the current node.
*
* @param node node to print
*/
public void valueOf(Object node)
throws IOException, SAXException
{
if (node == null)
return;
else if (node instanceof Element || node instanceof DocumentFragment) {
Node elt = (Node) node;
for (Node child = elt.getFirstChild();
child != null;
child = child.getNextSibling()) {
elementValueOf(child);
}
}
else if (node instanceof Text) {
String data = ((Text) node).getNodeValue();
for (int i = 0; i < data.length(); i++) {
if (! XmlChar.isWhitespace(data.charAt(i))) {
print(data);
return;
}
}
/*
if (! _stylesheet.stripSpaces(((Node) node).getParentNode()))
*/
print(data);
}
else if (node instanceof Node) {
print(((QAbstractNode) node).getNodeValue());
}
else if (node instanceof NodeList) {
NodeList list = (NodeList) node;
Node value = list.item(0);
if (value != null)
valueOf(value);
}
else if (node instanceof ArrayList) {
ArrayList list = (ArrayList) node;
if (list.size() > 0)
valueOf(list.get(0));
}
else if (node instanceof Iterator) {
Iterator list = (Iterator) node;
valueOf(list.next());
}
else if (node instanceof Double) {
Double d = (Double) node;
double dValue = d.doubleValue();
if ((int) dValue == dValue)
print((int) dValue);
else
print(dValue);
}
else
print(node);
}
/**
* Adds a the contents of the node to the current node.
*
* @param node node to print
*/
private void elementValueOf(Node node)
throws IOException, SAXException
{
if (node == null)
return;
else if (node instanceof Element) {
Element elt = (Element) node;
for (Node child = elt.getFirstChild();
child != null;
child = child.getNextSibling()) {
elementValueOf(child);
}
}
else if (node instanceof Text) {
String data = ((Text) node).getNodeValue();
for (int i = 0; i < data.length(); i++) {
if (! XmlChar.isWhitespace(data.charAt(i))) {
print(data);
return;
}
}
/*
if (! _stylesheet.stripSpaces(node.getParentNode()))
*/
print(data);
}
}
/**
* Adds a deep copy of the node to the current node.
*
* @param XPath node to be copied to the destination.
*/
public void copyOf(Object value)
throws IOException, SAXException, XPathException
{
popText();
if (value instanceof NodeList) {
NodeList list = (NodeList) value;
int length = list.getLength();
for (int i = 0; i < length; i++) {
Node child = list.item(i);
copyOf(child);
}
}
else if (value instanceof ArrayList) {
ArrayList list = (ArrayList) value;
for (int i = 0; i < list.size(); i++) {
Node child = (Node) list.get(i);
copyOf(child);
}
}
else if (value instanceof Iterator) {
Iterator iter = (Iterator) value;
while (iter.hasNext()) {
Node child = (Node) iter.next();
copyOf(child);
}
}
else if (value instanceof Attr) {
Attr child = (Attr) value;
attribute(child.getNamespaceURI(),
child.getPrefix(),
child.getLocalName(),
child.getNodeName(),
child.getNodeValue());
}
else if (value instanceof QElement) {
QElement child = (QElement) value;
String oldSystemId = _systemId;
String oldFilename = _filename;
int oldLine = _line;
_systemId = child.getBaseURI();
_filename = child.getFilename();
_line = child.getLine();
startElement(child.getNamespaceURI(),
child.getPrefix(),
child.getLocalName(),
child.getNodeName());
Node subNode = child.getFirstAttribute();
for (; subNode != null; subNode = subNode.getNextSibling()) {
QAttr attr = (QAttr) subNode;
attribute(attr.getNamespaceURI(),
attr.getPrefix(),
attr.getLocalName(),
attr.getNodeName(),
attr.getNodeValue());
}
for (subNode = child.getFirstChild();
subNode != null;
subNode = subNode.getNextSibling()) {
copyOf(subNode);
}
popElement();
_systemId = oldSystemId;
_filename = oldFilename;
_line = oldLine;
}
else if (value instanceof DocumentFragment) {
for (Node subNode = ((Node) value).getFirstChild();
subNode != null;
subNode = subNode.getNextSibling()) {
copyOf(subNode);
}
}
else if (value instanceof Text) {
Text child = (Text) value;
_text.append(child.getNodeValue());
}
else if (value instanceof Comment) {
Comment child = (Comment) value;
_xmlWriter.comment(child.getNodeValue());
}
else if (value instanceof ProcessingInstruction) {
ProcessingInstruction pi = (ProcessingInstruction) value;
_xmlWriter.processingInstruction(pi.getNodeName(),
pi.getNodeValue());
}
else if (value instanceof EntityReference) {
EntityReference child = (EntityReference) value;
_text.append("&" + child.getNodeName() + ";");
}
else if (value instanceof Node) {
Node child = (Node) value;
_text.append(child.getNodeValue());
}
else {
print(Expr.toString(value));
}
}
public void addNamespace(String prefix, String url)
{
/*
if (url.startsWith("quote:"))
url = url.substring(6);
*/
if (! url.equals("")) {
_namespaces.put(prefix, url);
_topNamespaces.add(prefix);
}
}
void startElement(String url, String prefix, String local, String qName)
throws IOException, SAXException
{
if (_attributeName != null)
throw error(L.l("element `{0}' is not allowed inside attribute `{1}'. xsl:attribute must contain text only.", qName, _attributeName));
popText();
StackItem item = null;
if (_elementStack.size() <= _depth) {
item = new StackItem();
_elementStack.add(item);
}
else
item = _elementStack.get(_depth);
item.init(url, prefix, local, qName, isCdata);
if (_cdataElements != null && _cdataElements.get(qName) != null)
isCdata = true;
_depth++;
_xmlWriter.startElement(url, local, qName);
// Initialize top-level namespaces
if (_depth == 1) {
for (int i = 0; i < _topNamespaces.size(); i++) {
String topPrefix = _topNamespaces.get(i);
String topUrl = _namespaces.get(topPrefix);
if (topPrefix.equals("")) {
_xmlWriter.startPrefixMapping(null, topUrl);
_xmlWriter.attribute(XMLNS, null, "xmlns", topUrl);
}
else {
_xmlWriter.startPrefixMapping(topPrefix, topUrl);
_xmlWriter.attribute(XMLNS, topPrefix, "xmlns:" + topPrefix, topUrl);
}
}
}
if (url == null)
return;
bindNamespace(prefix, url);
}
public void popElement()
throws IOException, SAXException
{
popText();
_depth--;
StackItem item = _elementStack.get(_depth);
try{
_xmlWriter.endElement(item.getNamespace(),
item.getLocalName(),
item.getName());
// If this element bound namespaces, pop the old values
for (int i = 0; i < item.nsSize(); i++) {
String oldPrefix = item.getNSPrefix(i);
String oldUrl = item.getNSUrl(i);
if (oldUrl == null)
_namespaces.remove(oldPrefix);
else
_namespaces.put(oldPrefix, oldUrl);
_xmlWriter.endPrefixMapping(oldPrefix);
}
isCdata = item.getCdata();
} catch (Throwable e) {
log.log(Level.FINE, e.toString(), e);
}
}
/**
* Sends the attribute to the output
*
* @param url the namespace for the attribute name
* @param prefix the prefix for the attribute name
* @param local the local attribute name
* @param qName the full qualified name
* @param value the attribute's value
*/
public void attribute(String url, String prefix, String local,
String qName, String value)
throws IOException, SAXException
{
if (qName.startsWith("xmlns:"))
bindNamespace(qName.substring("xmlns:".length()), value);
else if (qName.equals("xmlns"))
bindNamespace(null, value);
else {
_xmlWriter.attribute(url, local, qName, value);
// null namespace binding doesn't add binding
if (url != null && ! url.equals("") && ! prefix.equals(""))
bindNamespace(prefix, url);
}
}
/**
* Sends the attribute to the output
*
* @param url the namespace for the attribute name
* @param prefix the prefix for the attribute name
* @param local the local attribute name
* @param qName the full qualified name
* @param value the attribute's value
*/
public void attribute(String qName, String value)
throws IOException, SAXException
{
_xmlWriter.attribute(null, null, qName, value);
}
public void bindNamespace(String prefix, String url)
throws IOException, SAXException
{
String oldUrl = _namespaces.get(prefix);
// If the namespace matches, return
if (oldUrl == null && url.equals("") ||
oldUrl != null && url.equals(oldUrl))
return;
// Send the namespace declaration to the writer
if (prefix != null) {
_xmlWriter.startPrefixMapping(prefix, url);
_xmlWriter.attribute(XMLNS, prefix, "xmlns:" + prefix, url);
_namespaces.put(prefix, url);
}
else {
_xmlWriter.startPrefixMapping(null, url);
_xmlWriter.attribute(XMLNS, null, "xmlns", url);
_namespaces.put(null, url);
}
StackItem item = _elementStack.get(_depth - 1);
item.addNamespace(prefix, oldUrl);
}
/**
* Pop the accumulated text to the DOM.
*/
public void popText()
throws IOException, SAXException
{
if (_xmlWriter == ATTR_WRITER)
return;
Text textNode = null;
if (_text.length() == 0)
return;
if (_filename != null)
_line = _tailLine;
if (isCdata)
_xmlWriter.cdata(_text.getBuffer(), 0, _text.getLength());
else
_xmlWriter.text(_text.getBuffer(), 0, _text.getLength());
_text.clear();
}
/**
* Returns the attribute with the given name.
*/
public Object getProperty(String name)
{
return _transformer.getProperty(name);
}
/**
* Sets the attribute with the given name.
*/
public void setProperty(String name, Object value)
{
_transformer.setProperty(name, value);
}
/**
* removes the attribute with the given name.
*/
public void removeProperty(String name)
{
}
/**
* Lists the names of all the attributes.
*/
public Iterator getPropertyNames()
{
return null;
}
public Object getParameter(String name)
{
return _transformer.getParameter(name);
}
public Path getPwd()
{
return (Path) getProperty("caucho.pwd");
}
public OutputStream openWrite(ExprEnvironment env, String href)
throws IOException
{
if (_xmlWriter instanceof XmlPrinter) {
XmlPrinter printer = (XmlPrinter) _xmlWriter;
Path path = printer.getPath();
if (path != null) {
Path dst = path.getParent().lookup(href);
dst.getParent().mkdirs();
return dst.openWrite();
}
}
Path stylesheetPath = env.getStylesheetEnv().getPath();
return stylesheetPath.getParent().lookup(href).openWrite();
}
public XslWriter openResultDocument(OutputStream os)
throws IOException, SAXException
{
XMLWriter writer = new XmlPrinter(os);
XslWriter out = new XslWriter(null, _stylesheet, _transformer);
out.init(writer);
writer.startDocument();
return out;
}
/**
* @deprecated
*/
public javax.servlet.jsp.PageContext getPage()
{
return (javax.servlet.jsp.PageContext) getProperty("caucho.page.context");
}
private IOException error(String message)
{
if (_filename != null)
return new IOException(_filename + ":" + _line + ": " + message);
else
return new IOException(message);
}
public String getSystemId()
{
if (_systemId != null)
return _systemId;
else
return _filename;
}
public String getFilename()
{
if (_filename != null)
return _filename;
else
return _systemId;
}
public String getPublicId()
{
return null;
}
public int getLineNumber()
{
return _line;
}
public int getColumnNumber()
{
return 0;
}
static class StackItem {
String _url;
String _prefix;
String _local;
String _qName;
boolean _isCdata;
ArrayList<String> _nsPrefixes;
ArrayList<String> _nsUrls;
void clear()
{
}
void init(String url, String prefix, String local, String qName,
boolean isCdata)
{
if (_nsPrefixes != null) {
_nsPrefixes.clear();
_nsUrls.clear();
}
_url = url;
_prefix = prefix;
_local = local;
_qName = qName;
_isCdata = isCdata;
}
String getNamespace()
{
return _url;
}
String getPrefix()
{
return _prefix;
}
String getLocalName()
{
return _local;
}
String getName()
{
return _qName;
}
boolean getCdata()
{
return _isCdata;
}
int nsSize()
{
return _nsPrefixes == null ? 0 : _nsPrefixes.size();
}
String getNSPrefix(int i)
{
return _nsPrefixes.get(i);
}
String getNSUrl(int i)
{
return _nsUrls.get(i);
}
void addNamespace(String prefix, String oldUrl)
{
if (_nsPrefixes == null) {
_nsPrefixes = new ArrayList<String>();
_nsUrls = new ArrayList<String>();
}
_nsPrefixes.add(prefix);
_nsUrls.add(oldUrl);
}
}
}