| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * 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 org.apache.axiom.util.stax.dialect; |
| |
| import java.util.Properties; |
| |
| import javax.xml.stream.FactoryConfigurationError; |
| import javax.xml.stream.XMLInputFactory; |
| import javax.xml.stream.XMLOutputFactory; |
| |
| public final class StAXImplementation { |
| private final String name; |
| private final ClassLoader classLoader; |
| private final Properties props; |
| private StAXDialect dialect; |
| |
| public StAXImplementation(String name, ClassLoader classLoader, Properties props) { |
| this.name = name; |
| this.classLoader = classLoader; |
| this.props = props; |
| } |
| |
| public String getName() { |
| return name; |
| } |
| |
| public XMLInputFactory newXMLInputFactory() { |
| String className = props == null ? null : props.getProperty(XMLInputFactory.class.getName()); |
| XMLInputFactory factory; |
| if (className == null) { |
| ClassLoader savedClassLoader = Thread.currentThread().getContextClassLoader(); |
| Thread.currentThread().setContextClassLoader(classLoader); |
| try { |
| factory = XMLInputFactory.newInstance(); |
| } finally { |
| Thread.currentThread().setContextClassLoader(savedClassLoader); |
| } |
| } else { |
| try { |
| factory = (XMLInputFactory)classLoader.loadClass(className).newInstance(); |
| } catch (Exception ex) { |
| throw new FactoryConfigurationError(ex); |
| } |
| } |
| // Check that the parser has actually been loaded from the expected class loader. |
| // If the parser has been loaded from the JRE, then comparing the class loaders |
| // is not reliable (because it may be null). Hence the check on ParentLastURLClassLoader. |
| if (classLoader instanceof ParentLastURLClassLoader |
| && factory.getClass().getClassLoader() != classLoader) { |
| throw new FactoryConfigurationError("Wrong factory: got " + factory.getClass().getName() |
| + " loaded from " + factory.getClass().getClassLoader()); |
| } |
| return factory; |
| } |
| |
| public XMLInputFactory newNormalizedXMLInputFactory() { |
| XMLInputFactory factory = newXMLInputFactory(); |
| if (dialect == null) { |
| dialect = StAXDialectDetector.getDialect(factory.getClass()); |
| } |
| return dialect.normalize(factory); |
| } |
| |
| public XMLOutputFactory newXMLOutputFactory() { |
| String className = props == null ? null : props.getProperty(XMLOutputFactory.class.getName()); |
| XMLOutputFactory factory; |
| if (className == null) { |
| ClassLoader savedClassLoader = Thread.currentThread().getContextClassLoader(); |
| Thread.currentThread().setContextClassLoader(classLoader); |
| try { |
| factory = XMLOutputFactory.newInstance(); |
| } finally { |
| Thread.currentThread().setContextClassLoader(savedClassLoader); |
| } |
| } else { |
| try { |
| factory = (XMLOutputFactory)classLoader.loadClass(className).newInstance(); |
| } catch (Exception ex) { |
| throw new FactoryConfigurationError(ex); |
| } |
| } |
| if (classLoader != ClassLoader.getSystemClassLoader() |
| && factory.getClass().getClassLoader() != classLoader) { |
| throw new FactoryConfigurationError("Wrong factory: got " + factory.getClass().getName() |
| + " loaded from " + factory.getClass().getClassLoader()); |
| } |
| return factory; |
| } |
| |
| public XMLOutputFactory newNormalizedXMLOutputFactory() { |
| XMLOutputFactory factory = newXMLOutputFactory(); |
| if (dialect == null) { |
| dialect = StAXDialectDetector.getDialect(factory.getClass()); |
| } |
| return dialect.normalize(factory); |
| } |
| |
| public StAXDialect getDialect() { |
| return dialect; |
| } |
| |
| public ClassLoader getClassLoader() { |
| return classLoader; |
| } |
| } |