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package com.sun.org.apache.xerces.internal.jaxp;
import java.util.Hashtable;
import javax.xml.XMLConstants;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.validation.Schema;
import com.sun.org.apache.xerces.internal.parsers.DOMParser;
import com.sun.org.apache.xerces.internal.util.SAXMessageFormatter;
import org.xml.sax.SAXException;
import org.xml.sax.SAXNotRecognizedException;
import org.xml.sax.SAXNotSupportedException;
/**
* @author Rajiv Mordani
* @author Edwin Goei
* @version $Id: DocumentBuilderFactoryImpl.java,v 1.8 2010-11-01 04:40:06 joehw Exp $
*/
public class DocumentBuilderFactoryImpl extends DocumentBuilderFactory {
/** These are DocumentBuilderFactory attributes not DOM attributes */
private Hashtable attributes;
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 a {@link javax.xml.parsers.DocumentBuilder}
* using the currently configured parameters.
*/
public DocumentBuilder newDocumentBuilder()
throws ParserConfigurationException
{
/** Check that if a Schema has been specified that neither of the schema properties have been set. */
if (grammar != null && attributes != null) {
if (attributes.containsKey(JAXPConstants.JAXP_SCHEMA_LANGUAGE)) {
throw new ParserConfigurationException(
SAXMessageFormatter.formatMessage(null,
"schema-already-specified", new Object[] {JAXPConstants.JAXP_SCHEMA_LANGUAGE}));
}
else if (attributes.containsKey(JAXPConstants.JAXP_SCHEMA_SOURCE)) {
throw new ParserConfigurationException(
SAXMessageFormatter.formatMessage(null,
"schema-already-specified", new Object[] {JAXPConstants.JAXP_SCHEMA_SOURCE}));
}
}
try {
return new DocumentBuilderImpl(this, attributes, features, fSecureProcess);
} catch (SAXException se) {
// Handles both SAXNotSupportedException, SAXNotRecognizedException
throw new ParserConfigurationException(se.getMessage());
}
}
/**
* Allows the user to set specific attributes on the underlying
* implementation.
* @param name name of attribute
* @param value null means to remove attribute
*/
public void setAttribute(String name, Object value)
throws IllegalArgumentException
{
// This handles removal of attributes
if (value == null) {
if (attributes != null) {
attributes.remove(name);
}
// Unrecognized attributes do not cause an exception
return;
}
// This is ugly. We have to collect the attributes and then
// later create a DocumentBuilderImpl to verify the attributes.
// Create Hashtable if none existed before
if (attributes == null) {
attributes = new Hashtable();
}
attributes.put(name, value);
// Test the attribute name by possibly throwing an exception
try {
new DocumentBuilderImpl(this, attributes, features);
} catch (Exception e) {
attributes.remove(name);
throw new IllegalArgumentException(e.getMessage());
}
}
/**
* Allows the user to retrieve specific attributes on the underlying
* implementation.
*/
public Object getAttribute(String name)
throws IllegalArgumentException
{
// See if it's in the attributes Hashtable
if (attributes != null) {
Object val = attributes.get(name);
if (val != null) {
return val;
}
}
DOMParser domParser = null;
try {
// We create a dummy DocumentBuilderImpl in case the attribute
// name is not one that is in the attributes hashtable.
domParser =
new DocumentBuilderImpl(this, attributes, features).getDOMParser();
return domParser.getProperty(name);
} catch (SAXException se1) {
// assert(name is not recognized or not supported), try feature
try {
boolean result = domParser.getFeature(name);
// Must have been a feature
return result ? Boolean.TRUE : Boolean.FALSE;
} catch (SAXException se2) {
// Not a property or a feature
throw new IllegalArgumentException(se1.getMessage());
}
}
}
public Schema getSchema() {
return grammar;
}
public void setSchema(Schema grammar) {
this.grammar = grammar;
}
public boolean isXIncludeAware() {
return this.isXIncludeAware;
}
public void setXIncludeAware(boolean state) {
this.isXIncludeAware = state;
}
public boolean getFeature(String name)
throws ParserConfigurationException {
if (name.equals(XMLConstants.FEATURE_SECURE_PROCESSING)) {
return fSecureProcess;
}
// See if it's in the features Hashtable
if (features != null) {
Object val = features.get(name);
if (val != null) {
return ((Boolean) val).booleanValue();
}
}
try {
DOMParser domParser = new DocumentBuilderImpl(this, attributes, features).getDOMParser();
return domParser.getFeature(name);
}
catch (SAXException e) {
throw new ParserConfigurationException(e.getMessage());
}
}
public void setFeature(String name, boolean value)
throws ParserConfigurationException {
// 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;
}
if (features == null) {
features = new Hashtable();
}
features.put(name, value ? Boolean.TRUE : Boolean.FALSE);
// Test the feature by possibly throwing SAX exceptions
try {
new DocumentBuilderImpl(this, attributes, features);
}
catch (SAXNotSupportedException e) {
features.remove(name);
throw new ParserConfigurationException(e.getMessage());
}
catch (SAXNotRecognizedException e) {
features.remove(name);
throw new ParserConfigurationException(e.getMessage());
}
}
}