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package com.sun.org.apache.xerces.internal.jaxp;
import java.util.Hashtable;
import javax.xml.XMLConstants;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import javax.xml.validation.Schema;
import org.xml.sax.SAXException;
import org.xml.sax.SAXNotRecognizedException;
import org.xml.sax.SAXNotSupportedException;
import com.sun.org.apache.xerces.internal.impl.Constants;
import com.sun.org.apache.xerces.internal.util.SAXMessageFormatter;
/**
* This is the implementation specific class for the
* javax.xml.parsers.SAXParserFactory. This is the platform
* default implementation for the platform.
*
* @author Rajiv Mordani
* @author Edwin Goei
*
* @version $Id: SAXParserFactoryImpl.java,v 1.9 2010-11-01 04:40:06 joehw Exp $
*/
public class SAXParserFactoryImpl extends SAXParserFactory {
/** Feature identifier: validation. */
private static final String VALIDATION_FEATURE =
Constants.SAX_FEATURE_PREFIX + Constants.VALIDATION_FEATURE;
/** Feature identifier: namespaces. */
private static final String NAMESPACES_FEATURE =
Constants.SAX_FEATURE_PREFIX + Constants.NAMESPACES_FEATURE;
/** Feature identifier: XInclude processing */
private static final String XINCLUDE_FEATURE =
Constants.XERCES_FEATURE_PREFIX + Constants.XINCLUDE_FEATURE;
private Hashtable features;
private Schema grammar;
private boolean isXIncludeAware;
/**
* State of the secure processing feature, initially false
*/
private boolean fSecureProcess = true;
/**
* Creates a new instance of SAXParser using the currently
* configured factory parameters.
* @return javax.xml.parsers.SAXParser
*/
public SAXParser newSAXParser()
throws ParserConfigurationException
{
SAXParser saxParserImpl;
try {
saxParserImpl = new SAXParserImpl(this, features, fSecureProcess);
} catch (SAXException se) {
// Translate to ParserConfigurationException
throw new ParserConfigurationException(se.getMessage());
}
return saxParserImpl;
}
/**
* Common code for translating exceptions
*/
private SAXParserImpl newSAXParserImpl()
throws ParserConfigurationException, SAXNotRecognizedException,
SAXNotSupportedException
{
SAXParserImpl saxParserImpl;
try {
saxParserImpl = new SAXParserImpl(this, features);
} catch (SAXNotSupportedException e) {
throw e;
} catch (SAXNotRecognizedException e) {
throw e;
} catch (SAXException se) {
throw new ParserConfigurationException(se.getMessage());
}
return saxParserImpl;
}
/**
* Sets the particular feature in the underlying implementation of
* org.xml.sax.XMLReader.
*/
public void setFeature(String name, boolean value)
throws ParserConfigurationException, SAXNotRecognizedException,
SAXNotSupportedException {
if (name == null) {
throw new NullPointerException();
}
// If this is the secure processing feature, save it then return.
if (name.equals(XMLConstants.FEATURE_SECURE_PROCESSING)) {
if (System.getSecurityManager() != null && (!value)) {
throw new ParserConfigurationException(
SAXMessageFormatter.formatMessage(null,
"jaxp-secureprocessing-feature", null));
}
fSecureProcess = value;
return;
}
// XXX This is ugly. We have to collect the features and then
// later create an XMLReader to verify the features.
putInFeatures(name, value);
// Test the feature by possibly throwing SAX exceptions
try {
newSAXParserImpl();
} catch (SAXNotSupportedException e) {
features.remove(name);
throw e;
} catch (SAXNotRecognizedException e) {
features.remove(name);
throw e;
}
}
/**
* returns the particular property requested for in the underlying
* implementation of org.xml.sax.XMLReader.
*/
public boolean getFeature(String name)
throws ParserConfigurationException, SAXNotRecognizedException,
SAXNotSupportedException {
if (name == null) {
throw new NullPointerException();
}
if (name.equals(XMLConstants.FEATURE_SECURE_PROCESSING)) {
return fSecureProcess;
}
// Check for valid name by creating a dummy XMLReader to get
// feature value
return newSAXParserImpl().getXMLReader().getFeature(name);
}
public Schema getSchema() {
return grammar;
}
public void setSchema(Schema grammar) {
this.grammar = grammar;
}
public boolean isXIncludeAware() {
return getFromFeatures(XINCLUDE_FEATURE);
}
public void setXIncludeAware(boolean state) {
putInFeatures(XINCLUDE_FEATURE, state);
}
public void setValidating(boolean validating) {
putInFeatures(VALIDATION_FEATURE, validating);
}
public boolean isValidating() {
return getFromFeatures(VALIDATION_FEATURE);
}
private void putInFeatures(String name, boolean value){
if (features == null) {
features = new Hashtable();
}
features.put(name, value ? Boolean.TRUE : Boolean.FALSE);
}
private boolean getFromFeatures(String name){
if (features == null){
return false;
}
else {
Object value = features.get(name);
return (value == null) ? false : Boolean.valueOf(value.toString()).booleanValue();
}
}
public boolean isNamespaceAware() {
return getFromFeatures(NAMESPACES_FEATURE);
}
public void setNamespaceAware(boolean awareness) {
putInFeatures(NAMESPACES_FEATURE, awareness);
}
}