/* Woodstox XML processor
*
* Copyright (c) 2004- Tatu Saloranta, tatu.saloranta@iki.fi
*
* Licensed under the License specified in the file LICENSE which is
* included with the source code.
* You may not use this file except in compliance with the License.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.ctc.wstx.msv;
import java.io.*;
import java.net.URL;
import javax.xml.parsers.SAXParserFactory;
import javax.xml.stream.*;
import org.xml.sax.InputSource;
import org.xml.sax.Locator;
import org.codehaus.stax2.validation.*;
import com.ctc.wstx.api.ValidatorConfig;
import com.ctc.wstx.exc.WstxIOException;
import com.ctc.wstx.util.URLUtil;
/**
* Shared base class extended by concrete schema factory implementations.
*/
public abstract class BaseSchemaFactory
extends XMLValidationSchemaFactory
{
protected static SAXParserFactory sSaxFactory;
/**
* Current configurations for this factory
*/
protected final ValidatorConfig mConfig;
protected BaseSchemaFactory(String schemaType)
{
super(schemaType);
mConfig = ValidatorConfig.createDefaults();
}
/*
////////////////////////////////////////////////////////////
// Stax2, Configuration methods
////////////////////////////////////////////////////////////
*/
public boolean isPropertySupported(String propName)
{
return mConfig.isPropertySupported(propName);
}
public boolean setProperty(String propName, Object value)
{
return mConfig.setProperty(propName, value);
}
public Object getProperty(String propName)
{
return mConfig.getProperty(propName);
}
/*
////////////////////////////////////////////////////////////
// Stax2, Factory methods
////////////////////////////////////////////////////////////
*/
public XMLValidationSchema createSchema(InputStream in, String encoding,
String publicId, String systemId)
throws XMLStreamException
{
InputSource src = new InputSource(in);
src.setEncoding(encoding);
src.setPublicId(publicId);
src.setSystemId(systemId);
return loadSchema(src, systemId);
}
public XMLValidationSchema createSchema(Reader r, String publicId,
String systemId)
throws XMLStreamException
{
InputSource src = new InputSource(r);
src.setPublicId(publicId);
src.setSystemId(systemId);
return loadSchema(src, systemId);
}
public XMLValidationSchema createSchema(URL url)
throws XMLStreamException
{
try {
InputStream in = URLUtil.inputStreamFromURL(url);
InputSource src = new InputSource(in);
src.setSystemId(url.toExternalForm());
return loadSchema(src, url);
} catch (IOException ioe) {
throw new WstxIOException(ioe);
}
}
@SuppressWarnings("deprecation")
public XMLValidationSchema createSchema(File f)
throws XMLStreamException
{
try {
return createSchema(f.toURL());
} catch (IOException ioe) {
throw new WstxIOException(ioe);
}
}
/*
////////////////////////////////////////////////////////////
// Methods sub-classes need to implement
////////////////////////////////////////////////////////////
*/
protected abstract XMLValidationSchema loadSchema(InputSource src, Object sysRef)
throws XMLStreamException;
/*
////////////////////////////////////////////////////////////
// Internal/package methods
////////////////////////////////////////////////////////////
*/
/**
* We will essentially share a singleton sax parser factory;
* the reason being that constructing (or, rather, locating
* implementation class) is bit expensive.
*/
protected synchronized static SAXParserFactory getSaxFactory()
{
if (sSaxFactory == null) {
sSaxFactory = SAXParserFactory.newInstance();
sSaxFactory.setNamespaceAware(true);
}
return sSaxFactory;
}
/*
////////////////////////////////////////////////////////////
// Helper classes
////////////////////////////////////////////////////////////
*/
final static class MyGrammarController
extends com.sun.msv.reader.util.IgnoreController
{
public String mErrorMsg = null;
public MyGrammarController() { }
//public void warning(Locator[] locs, String errorMessage) { }
public void error(Locator[] locs, String msg, Exception nestedException )
{
if (mErrorMsg == null) {
mErrorMsg = msg;
} else {
mErrorMsg = mErrorMsg + "; " + msg;
}
}
}
}