com.sun.tools.xjc.SchemaCache Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of jaxb-xjc Show documentation
Show all versions of jaxb-xjc Show documentation
Old JAXB Binding Compiler. Contains source code needed for binding customization files into java sources.
In other words: the *tool* to generate java classes for the given xml representation.
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2012 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.tools.xjc;
import java.net.URL;
import javax.xml.validation.Schema;
import javax.xml.validation.SchemaFactory;
import javax.xml.validation.ValidatorHandler;
import com.sun.xml.bind.v2.util.XmlFactory;
import javax.xml.XMLConstants;
import org.xml.sax.SAXException;
/**
* Wraps a JAXP {@link Schema} object and lazily instantiate it.
*
* This object is thread-safe. There should be only one instance of
* this for the whole VM.
*
* @author Kohsuke Kawaguchi
*/
public final class SchemaCache {
private Schema schema;
private final URL source;
public SchemaCache(URL source) {
this.source = source;
}
public ValidatorHandler newValidator() {
synchronized(this) {
if(schema==null) {
try {
// do not disable secure processing - these are well-known schemas
SchemaFactory sf = XmlFactory.createSchemaFactory(XMLConstants.W3C_XML_SCHEMA_NS_URI, false);
schema = sf.newSchema(source);
} catch (SAXException e) {
// we make sure that the schema is correct before we ship.
throw new AssertionError(e);
}
}
}
ValidatorHandler handler = schema.newValidatorHandler();
return handler;
}
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy