| /* XMLEventFactory.java -- |
| Copyright (C) 2005,2006 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| package javax.xml.stream; |
| |
| import java.io.BufferedReader; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.io.IOException; |
| import java.io.Reader; |
| import java.util.Iterator; |
| import java.util.Properties; |
| import javax.xml.namespace.NamespaceContext; |
| import javax.xml.namespace.QName; |
| import javax.xml.stream.events.Attribute; |
| import javax.xml.stream.events.Characters; |
| import javax.xml.stream.events.Comment; |
| import javax.xml.stream.events.DTD; |
| import javax.xml.stream.events.EndDocument; |
| import javax.xml.stream.events.EndElement; |
| import javax.xml.stream.events.EntityDeclaration; |
| import javax.xml.stream.events.EntityReference; |
| import javax.xml.stream.events.Namespace; |
| import javax.xml.stream.events.ProcessingInstruction; |
| import javax.xml.stream.events.StartDocument; |
| import javax.xml.stream.events.StartElement; |
| |
| /** |
| * Factory for XML events. |
| */ |
| public abstract class XMLEventFactory |
| { |
| |
| protected XMLEventFactory() |
| { |
| } |
| |
| /** |
| * Create a new factory instance. |
| * @see #newInstance(String,ClassLoader) |
| */ |
| public static XMLEventFactory newInstance() |
| throws FactoryConfigurationError |
| { |
| return newInstance(null, null); |
| } |
| |
| /** |
| * Create a new factory instance. |
| * The implementation class to load is the first found in the following |
| * locations: |
| * <ol> |
| * <li>the <code>javax.xml.stream.XMLEventFactory</code> system |
| * property</li> |
| * <li>the above named property value in the |
| * <code><i>$JAVA_HOME</i>/lib/stax.properties</code> file</li> |
| * <li>the class name specified in the |
| * <code>META-INF/services/javax.xml.stream.XMLEventFactory</code> |
| * system resource</li> |
| * <li>the default factory class</li> |
| * </ol> |
| */ |
| static XMLEventFactory newInstance(String factoryId, ClassLoader classLoader) |
| throws FactoryConfigurationError |
| { |
| ClassLoader loader = classLoader; |
| if (loader == null) |
| { |
| loader = Thread.currentThread().getContextClassLoader(); |
| } |
| if (loader == null) |
| { |
| loader = XMLEventFactory.class.getClassLoader(); |
| } |
| String className = null; |
| int count = 0; |
| do |
| { |
| className = getFactoryClassName(loader, count++); |
| if (className != null) |
| { |
| try |
| { |
| Class t = (loader != null) ? loader.loadClass(className) : |
| Class.forName(className); |
| return (XMLEventFactory) t.newInstance(); |
| } |
| catch (ClassNotFoundException e) |
| { |
| className = null; |
| } |
| catch (Exception e) |
| { |
| throw new FactoryConfigurationError(e, |
| "error instantiating class " + className); |
| } |
| } |
| } |
| while (className == null && count < 3); |
| return new gnu.xml.stream.XMLEventFactoryImpl(); |
| } |
| |
| private static String getFactoryClassName(ClassLoader loader, int attempt) |
| { |
| final String propertyName = "javax.xml.stream.XMLEventFactory"; |
| switch (attempt) |
| { |
| case 0: |
| return System.getProperty(propertyName); |
| case 1: |
| try |
| { |
| File file = new File(System.getProperty("java.home")); |
| file = new File(file, "lib"); |
| file = new File(file, "stax.properties"); |
| InputStream in = new FileInputStream(file); |
| Properties props = new Properties(); |
| props.load(in); |
| in.close(); |
| return props.getProperty(propertyName); |
| } |
| catch (IOException e) |
| { |
| return null; |
| } |
| case 2: |
| try |
| { |
| String serviceKey = "/META-INF/services/" + propertyName; |
| InputStream in = (loader != null) ? |
| loader.getResourceAsStream(serviceKey) : |
| XMLEventFactory.class.getResourceAsStream(serviceKey); |
| if (in != null) |
| { |
| BufferedReader r = |
| new BufferedReader(new InputStreamReader(in)); |
| String ret = r.readLine(); |
| r.close(); |
| return ret; |
| } |
| } |
| catch (IOException e) |
| { |
| } |
| return null; |
| default: |
| return null; |
| } |
| } |
| |
| /** |
| * Sets the location for each event created by this factory. |
| */ |
| public abstract void setLocation(Location location); |
| |
| /** |
| * Create an attribute event. |
| */ |
| public abstract Attribute createAttribute(String prefix, String namespaceURI, |
| String localName, String value); |
| |
| /** |
| * Create an attribute event. |
| */ |
| public abstract Attribute createAttribute(String localName, String value); |
| |
| /** |
| * Create an attribute event. |
| */ |
| public abstract Attribute createAttribute(QName name, String value); |
| |
| /** |
| * Create a namespace declaration event. |
| */ |
| public abstract Namespace createNamespace(String namespaceURI); |
| |
| /** |
| * Create a namespace declaration event. |
| */ |
| public abstract Namespace createNamespace(String prefix, String namespaceUri); |
| |
| /** |
| * Create a start-element event. |
| */ |
| public abstract StartElement createStartElement(QName name, |
| Iterator attributes, |
| Iterator namespaces); |
| |
| /** |
| * Create a start-element event. |
| */ |
| public abstract StartElement createStartElement(String prefix, |
| String namespaceUri, |
| String localName); |
| |
| /** |
| * Create a start-element event. |
| */ |
| public abstract StartElement createStartElement(String prefix, |
| String namespaceUri, |
| String localName, |
| Iterator attributes, |
| Iterator namespaces); |
| |
| /** |
| * Create a start-element event. |
| */ |
| public abstract StartElement createStartElement(String prefix, |
| String namespaceUri, |
| String localName, |
| Iterator attributes, |
| Iterator namespaces, |
| NamespaceContext context); |
| |
| /** |
| * Create an end-element event. |
| */ |
| public abstract EndElement createEndElement(QName name, |
| Iterator namespaces); |
| |
| /** |
| * Create an end-element event. |
| */ |
| public abstract EndElement createEndElement(String prefix, |
| String namespaceUri, |
| String localName); |
| |
| /** |
| * Create an end-element event. |
| */ |
| public abstract EndElement createEndElement(String prefix, |
| String namespaceUri, |
| String localName, |
| Iterator namespaces); |
| |
| /** |
| * Create a text event. |
| */ |
| public abstract Characters createCharacters(String content); |
| |
| /** |
| * Create a text event of type CDATA section. |
| */ |
| public abstract Characters createCData(String content); |
| |
| /** |
| * Create a text event of type whitespace. |
| */ |
| public abstract Characters createSpace(String content); |
| |
| /** |
| * Create a text event of type ignorable whitespace. |
| */ |
| public abstract Characters createIgnorableSpace(String content); |
| |
| /** |
| * Create a start-document event. |
| */ |
| public abstract StartDocument createStartDocument(); |
| |
| /** |
| * Create a start-document event. |
| */ |
| public abstract StartDocument createStartDocument(String encoding, |
| String version, |
| boolean standalone); |
| |
| /** |
| * Create a start-document event. |
| */ |
| public abstract StartDocument createStartDocument(String encoding, |
| String version); |
| |
| /** |
| * Create a start-document event. |
| */ |
| public abstract StartDocument createStartDocument(String encoding); |
| |
| /** |
| * Create an end-document event. |
| */ |
| public abstract EndDocument createEndDocument(); |
| |
| /** |
| * Create an entity reference event. |
| */ |
| public abstract EntityReference createEntityReference(String name, |
| EntityDeclaration declaration); |
| |
| /** |
| * Create a comment event. |
| */ |
| public abstract Comment createComment(String text); |
| |
| /** |
| * Create a processing instruction event. |
| */ |
| public abstract ProcessingInstruction createProcessingInstruction(String target, |
| String data); |
| |
| /** |
| * Create a DOCTYPE declaration event. |
| */ |
| public abstract DTD createDTD(String dtd); |
| |
| } |
| |