| /* |
| * 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.om; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.Reader; |
| |
| import javax.activation.DataHandler; |
| import javax.mail.internet.ContentType; |
| import javax.mail.internet.ParseException; |
| import javax.xml.stream.XMLStreamConstants; |
| import javax.xml.stream.XMLStreamReader; |
| import javax.xml.transform.Source; |
| |
| import org.apache.axiom.attachments.Attachments; |
| import org.apache.axiom.attachments.lifecycle.DataHandlerExt; |
| import org.apache.axiom.om.impl.builder.OMAttachmentAccessorMimePartProvider; |
| import org.apache.axiom.om.util.StAXParserConfiguration; |
| import org.apache.axiom.soap.SOAPFactory; |
| import org.apache.axiom.soap.SOAPModelBuilder; |
| import org.xml.sax.InputSource; |
| |
| /** |
| * Provides static factory methods to create various kinds of object model builders from different |
| * types of input sources. The methods defined by this class are the starting point to parse XML |
| * documents into Axiom trees. |
| */ |
| public class OMXMLBuilderFactory { |
| private OMXMLBuilderFactory() {} |
| |
| /** |
| * Create an object model builder for plain XML that pulls events from a StAX stream reader. |
| * <p> |
| * The reader must be positioned on a {@link XMLStreamConstants#START_DOCUMENT} or |
| * {@link XMLStreamConstants#START_ELEMENT} event. If the current event is |
| * {@link XMLStreamConstants#START_DOCUMENT} then the builder will consume events up to the |
| * {@link XMLStreamConstants#END_DOCUMENT} event. If the current event is |
| * {@link XMLStreamConstants#START_ELEMENT}, then the builder will consume events up to the |
| * corresponding {@link XMLStreamConstants#END_ELEMENT}. After the object model is completely |
| * built, the stream reader will be positioned on the event immediately following this |
| * {@link XMLStreamConstants#END_ELEMENT} event. This means that this method can be used in a |
| * well defined way to build an object model from a fragment (corresponding to a single element) |
| * of the document represented by the stream reader. |
| * <p> |
| * The returned builder also performs namespace repairing, i.e. it adds appropriate namespace |
| * declarations if undeclared namespaces appear in the StAX stream. |
| * |
| * @param parser |
| * the stream reader to read the XML data from |
| * @return the builder |
| * @throws OMException |
| * if the stream reader is positioned on an event other than |
| * {@link XMLStreamConstants#START_DOCUMENT} or |
| * {@link XMLStreamConstants#START_ELEMENT} |
| */ |
| public static OMXMLParserWrapper createStAXOMBuilder(XMLStreamReader parser) { |
| OMMetaFactory metaFactory = OMAbstractFactory.getMetaFactory(); |
| return metaFactory.createStAXOMBuilder(metaFactory.getOMFactory(), parser); |
| } |
| |
| /** |
| * Create an object model builder that pulls events from a StAX stream reader using a specified |
| * object model factory. |
| * <p> |
| * See {@link #createStAXOMBuilder(XMLStreamReader)} for more information about the behavior of |
| * the returned builder. |
| * |
| * @param omFactory |
| * the object model factory to use |
| * @param parser |
| * the stream reader to read the XML data from |
| * @return the builder |
| */ |
| public static OMXMLParserWrapper createStAXOMBuilder(OMFactory omFactory, XMLStreamReader parser) { |
| return omFactory.getMetaFactory().createStAXOMBuilder(omFactory, parser); |
| } |
| |
| /** |
| * Create an object model builder that reads a plain XML document from the provided input stream |
| * with the default parser configuration defined by {@link StAXParserConfiguration#DEFAULT}. |
| * |
| * @param in |
| * the input stream representing the XML document |
| * @return the builder |
| */ |
| public static OMXMLParserWrapper createOMBuilder(InputStream in) { |
| return createOMBuilder(StAXParserConfiguration.DEFAULT, in); |
| } |
| |
| /** |
| * Create an object model builder that reads a plain XML document from the provided input stream |
| * with the default parser configuration defined by {@link StAXParserConfiguration#DEFAULT}. |
| * |
| * @param in |
| * the input stream representing the XML document |
| * @param encoding |
| * the charset encoding of the XML document or <code>null</code> if the parser should |
| * determine the charset encoding |
| * @return the builder |
| */ |
| public static OMXMLParserWrapper createOMBuilder(InputStream in, String encoding) { |
| return createOMBuilder(StAXParserConfiguration.DEFAULT, in, encoding); |
| } |
| |
| /** |
| * Create an object model builder that reads a plain XML document from the provided input stream |
| * with a given parser configuration. |
| * |
| * @param configuration |
| * the parser configuration to use |
| * @param in |
| * the input stream representing the XML document |
| * @return the builder |
| */ |
| public static OMXMLParserWrapper createOMBuilder(StAXParserConfiguration configuration, InputStream in) { |
| return createOMBuilder(configuration, in, null); |
| } |
| |
| /** |
| * Create an object model builder that reads a plain XML document from the provided input stream |
| * with a given parser configuration. |
| * |
| * @param configuration |
| * the parser configuration to use |
| * @param in |
| * the input stream representing the XML document |
| * @param encoding |
| * the charset encoding of the XML document or <code>null</code> if the parser should |
| * determine the charset encoding |
| * @return the builder |
| */ |
| public static OMXMLParserWrapper createOMBuilder(StAXParserConfiguration configuration, InputStream in, String encoding) { |
| OMMetaFactory metaFactory = OMAbstractFactory.getMetaFactory(); |
| InputSource is = new InputSource(in); |
| is.setEncoding(encoding); |
| return metaFactory.createOMBuilder(metaFactory.getOMFactory(), configuration, is); |
| } |
| |
| /** |
| * Create an object model builder that reads an XML document from the provided input stream |
| * using a specified object model factory and with the default parser configuration defined by |
| * {@link StAXParserConfiguration#DEFAULT}. |
| * |
| * @param omFactory |
| * the object model factory to use |
| * @param in |
| * the input stream representing the XML document |
| * @return the builder |
| */ |
| public static OMXMLParserWrapper createOMBuilder(OMFactory omFactory, InputStream in) { |
| return createOMBuilder(omFactory, StAXParserConfiguration.DEFAULT, in); |
| } |
| |
| /** |
| * Create an object model builder that reads an XML document from the provided input stream |
| * using a specified object model factory and with the default parser configuration defined by |
| * {@link StAXParserConfiguration#DEFAULT}. |
| * |
| * @param omFactory |
| * the object model factory to use |
| * @param in |
| * the input stream representing the XML document |
| * @param encoding |
| * the charset encoding of the XML document or <code>null</code> if the parser should |
| * determine the charset encoding |
| * @return the builder |
| */ |
| public static OMXMLParserWrapper createOMBuilder(OMFactory omFactory, InputStream in, String encoding) { |
| return createOMBuilder(omFactory, StAXParserConfiguration.DEFAULT, in, encoding); |
| } |
| |
| /** |
| * Create an object model builder that reads an XML document from the provided input stream |
| * using a specified object model factory and with a given parser configuration. |
| * |
| * @param omFactory |
| * the object model factory to use |
| * @param configuration |
| * the parser configuration to use |
| * @param in |
| * the input stream representing the XML document |
| * @return the builder |
| */ |
| public static OMXMLParserWrapper createOMBuilder(OMFactory omFactory, StAXParserConfiguration configuration, InputStream in) { |
| return createOMBuilder(omFactory, configuration, in, null); |
| } |
| |
| /** |
| * Create an object model builder that reads an XML document from the provided input stream |
| * using a specified object model factory and with a given parser configuration. |
| * |
| * @param omFactory |
| * the object model factory to use |
| * @param configuration |
| * the parser configuration to use |
| * @param in |
| * the input stream representing the XML document |
| * @param encoding |
| * the charset encoding of the XML document or <code>null</code> if the parser should |
| * determine the charset encoding |
| * @return the builder |
| */ |
| public static OMXMLParserWrapper createOMBuilder(OMFactory omFactory, StAXParserConfiguration configuration, InputStream in, String encoding) { |
| InputSource is = new InputSource(in); |
| is.setEncoding(encoding); |
| return omFactory.getMetaFactory().createOMBuilder(omFactory, configuration, is); |
| } |
| |
| /** |
| * Create an object model builder that reads a plain XML document from the provided character |
| * stream with the default parser configuration defined by |
| * {@link StAXParserConfiguration#DEFAULT}. |
| * |
| * @param in |
| * the character stream representing the XML document |
| * @return the builder |
| */ |
| public static OMXMLParserWrapper createOMBuilder(Reader in) { |
| return createOMBuilder(StAXParserConfiguration.DEFAULT, in); |
| } |
| |
| /** |
| * Create an object model builder that reads a plain XML document from the provided character |
| * stream with a given parser configuration. |
| * |
| * @param configuration |
| * the parser configuration to use |
| * @param in |
| * the character stream representing the XML document |
| * @return the builder |
| */ |
| public static OMXMLParserWrapper createOMBuilder(StAXParserConfiguration configuration, Reader in) { |
| OMMetaFactory metaFactory = OMAbstractFactory.getMetaFactory(); |
| return metaFactory.createOMBuilder(metaFactory.getOMFactory(), configuration, new InputSource(in)); |
| } |
| |
| /** |
| * Create an object model builder that reads an XML document from the provided character stream |
| * using a specified object model factory and with the default parser configuration defined by |
| * {@link StAXParserConfiguration#DEFAULT}. |
| * |
| * @param omFactory |
| * the object model factory to use |
| * @param in |
| * the character stream representing the XML document |
| * @return the builder |
| */ |
| public static OMXMLParserWrapper createOMBuilder(OMFactory omFactory, Reader in) { |
| return createOMBuilder(omFactory, StAXParserConfiguration.DEFAULT, in); |
| } |
| |
| /** |
| * Create an object model builder that reads an XML document from the provided character stream |
| * using a specified object model factory and with a given parser configuration. |
| * |
| * @param omFactory |
| * the object model factory to use |
| * @param configuration |
| * the parser configuration to use |
| * @param in |
| * the character stream representing the XML document |
| * @return the builder |
| */ |
| public static OMXMLParserWrapper createOMBuilder(OMFactory omFactory, StAXParserConfiguration configuration, Reader in) { |
| return omFactory.getMetaFactory().createOMBuilder(omFactory, configuration, new InputSource(in)); |
| } |
| |
| /** |
| * Create an object model builder that reads a plain XML document from the provided |
| * {@link Source}. |
| * |
| * @param source |
| * the source of the XML document |
| * @return the builder |
| */ |
| public static OMXMLParserWrapper createOMBuilder(Source source) { |
| OMMetaFactory metaFactory = OMAbstractFactory.getMetaFactory(); |
| return metaFactory.createOMBuilder(metaFactory.getOMFactory(), source); |
| } |
| |
| /** |
| * Create an object model builder that reads an XML document from the provided {@link Source} |
| * using a specified object model factory. |
| * |
| * @param omFactory |
| * the object model factory to use |
| * @param source |
| * the source of the XML document |
| * @return the builder |
| */ |
| public static OMXMLParserWrapper createOMBuilder(OMFactory omFactory, Source source) { |
| return omFactory.getMetaFactory().createOMBuilder(omFactory, source); |
| } |
| |
| /** |
| * Create an XOP aware model builder from the provided {@link Attachments} object and with a |
| * given parser configuration. |
| * |
| * @param configuration |
| * the parser configuration to use |
| * @param attachments |
| * an {@link Attachments} object that must have been created from an input stream |
| * @return the builder |
| * @throws OMException |
| * if an error occurs while processing the content type information from the |
| * {@link Attachments} object |
| */ |
| public static OMXMLParserWrapper createOMBuilder(StAXParserConfiguration configuration, Attachments attachments) { |
| return createOMBuilder(OMAbstractFactory.getMetaFactory().getOMFactory(), configuration, attachments); |
| } |
| |
| /** |
| * Create an XOP aware model builder from the provided {@link Attachments} object using a |
| * specified object model factory and with a given parser configuration. |
| * |
| * @param omFactory |
| * the object model factory to use |
| * @param configuration |
| * the parser configuration to use |
| * @param attachments |
| * an {@link Attachments} object that must have been created from an input stream |
| * @return the builder |
| * @throws OMException |
| * if an error occurs while processing the content type information from the |
| * {@link Attachments} object |
| */ |
| public static OMXMLParserWrapper createOMBuilder(OMFactory omFactory, |
| StAXParserConfiguration configuration, Attachments attachments) { |
| ContentType contentType; |
| try { |
| contentType = new ContentType(attachments.getRootPartContentType()); |
| } catch (ParseException ex) { |
| throw new OMException(ex); |
| } |
| InputSource rootPart = getRootPartInputSource(attachments, contentType); |
| return omFactory.getMetaFactory().createOMBuilder(configuration, omFactory, |
| rootPart, new OMAttachmentAccessorMimePartProvider(attachments)); |
| } |
| |
| /** |
| * Create an object model builder for SOAP that pulls events from a StAX stream reader and that |
| * uses a particular Axiom implementation. The method will select the appropriate |
| * {@link SOAPFactory} based on the namespace URI of the SOAP envelope. |
| * <p> |
| * See {@link #createStAXOMBuilder(XMLStreamReader)} for more information about the behavior of |
| * the returned builder. |
| * |
| * @param metaFactory |
| * the meta factory for the Axiom implementation to use |
| * @param parser |
| * the stream reader to read the XML data from |
| * @return the builder |
| */ |
| public static SOAPModelBuilder createStAXSOAPModelBuilder(OMMetaFactory metaFactory, XMLStreamReader parser) { |
| return metaFactory.createStAXSOAPModelBuilder(parser); |
| } |
| |
| /** |
| * Create an object model builder for SOAP that pulls events from a StAX stream reader. |
| * The method will select the appropriate {@link SOAPFactory} |
| * based on the namespace URI of the SOAP envelope. |
| * <p> |
| * See {@link #createStAXOMBuilder(XMLStreamReader)} for more information about the behavior of |
| * the returned builder. |
| * |
| * @param parser |
| * the stream reader to read the XML data from |
| * @return the builder |
| */ |
| public static SOAPModelBuilder createStAXSOAPModelBuilder(XMLStreamReader parser) { |
| return OMAbstractFactory.getMetaFactory().createStAXSOAPModelBuilder(parser); |
| } |
| |
| /** |
| * Create an object model builder for SOAP that reads a message from the provided input stream, |
| * using a given charset encoding. The method will select the appropriate {@link SOAPFactory} |
| * based on the namespace URI of the SOAP envelope. It will configure the underlying parser as |
| * specified by {@link StAXParserConfiguration#SOAP}. |
| * |
| * @param in |
| * the input stream containing the SOAP message |
| * @param encoding |
| * the charset encoding of the SOAP message or <code>null</code> if the parser should |
| * determine the charset encoding |
| * @return the builder |
| */ |
| public static SOAPModelBuilder createSOAPModelBuilder(InputStream in, String encoding) { |
| return createSOAPModelBuilder(OMAbstractFactory.getMetaFactory(), in, encoding); |
| } |
| |
| /** |
| * Create an object model builder for SOAP that reads a message from the provided input stream, |
| * using a particular Axiom implementation and a given charset encoding. The method will select |
| * the appropriate {@link SOAPFactory} based on the namespace URI of the SOAP envelope. It will |
| * configure the underlying parser as specified by {@link StAXParserConfiguration#SOAP}. |
| * |
| * @param metaFactory |
| * the meta factory for the Axiom implementation to use |
| * @param in |
| * the input stream containing the SOAP message |
| * @param encoding |
| * the charset encoding of the SOAP message or <code>null</code> if the parser should |
| * determine the charset encoding |
| * @return the builder |
| */ |
| public static SOAPModelBuilder createSOAPModelBuilder(OMMetaFactory metaFactory, InputStream in, String encoding) { |
| InputSource is = new InputSource(in); |
| is.setEncoding(encoding); |
| return metaFactory.createSOAPModelBuilder(StAXParserConfiguration.SOAP, is); |
| } |
| |
| /** |
| * Create an object model builder for SOAP that reads a message from the provided character |
| * stream. The method will select the appropriate {@link SOAPFactory} based on the namespace URI |
| * of the SOAP envelope. It will configure the underlying parser as specified by |
| * {@link StAXParserConfiguration#SOAP}. |
| * |
| * @param in |
| * the character stream containing the SOAP message |
| * @return the builder |
| */ |
| public static SOAPModelBuilder createSOAPModelBuilder(Reader in) { |
| return createSOAPModelBuilder(OMAbstractFactory.getMetaFactory(), in); |
| } |
| |
| /** |
| * Create an object model builder for SOAP that reads a message from the provided character |
| * stream using a particular Axiom implementation. The method will select the appropriate |
| * {@link SOAPFactory} based on the namespace URI of the SOAP envelope. It will configure the |
| * underlying parser as specified by {@link StAXParserConfiguration#SOAP}. |
| * |
| * @param metaFactory |
| * the meta factory for the Axiom implementation to use |
| * @param in |
| * the character stream containing the SOAP message |
| * @return the builder |
| */ |
| public static SOAPModelBuilder createSOAPModelBuilder(OMMetaFactory metaFactory, Reader in) { |
| return metaFactory.createSOAPModelBuilder(StAXParserConfiguration.SOAP, new InputSource(in)); |
| } |
| |
| /** |
| * Create an MTOM aware model builder from the provided {@link Attachments} object. The method |
| * will determine the SOAP version based on the content type information from the |
| * {@link Attachments} object. It will configure the underlying parser as specified by |
| * {@link StAXParserConfiguration#SOAP}. |
| * |
| * @param attachments |
| * an {@link Attachments} object that must have been created from an input stream |
| * @return the builder |
| * @throws OMException |
| * if an error occurs while processing the content type information from the |
| * {@link Attachments} object |
| */ |
| public static SOAPModelBuilder createSOAPModelBuilder(Attachments attachments) { |
| return createSOAPModelBuilder(OMAbstractFactory.getMetaFactory(), attachments); |
| } |
| |
| /** |
| * Create an MTOM aware model builder from the provided {@link Attachments} object using a |
| * particular Axiom implementation. The method will determine the SOAP version based on the |
| * content type information from the {@link Attachments} object. It will configure the |
| * underlying parser as specified by {@link StAXParserConfiguration#SOAP}. |
| * |
| * @param metaFactory |
| * the meta factory for the Axiom implementation to use |
| * @param attachments |
| * an {@link Attachments} object that must have been created from an input stream |
| * @return the builder |
| * @throws OMException |
| * if an error occurs while processing the content type information from the |
| * {@link Attachments} object |
| */ |
| public static SOAPModelBuilder createSOAPModelBuilder(OMMetaFactory metaFactory, |
| Attachments attachments) { |
| ContentType contentType; |
| try { |
| contentType = new ContentType(attachments.getRootPartContentType()); |
| } catch (ParseException ex) { |
| throw new OMException(ex); |
| } |
| String type = contentType.getParameter("type"); |
| SOAPFactory soapFactory; |
| if ("text/xml".equalsIgnoreCase(type)) { |
| soapFactory = metaFactory.getSOAP11Factory(); |
| } else if ("application/soap+xml".equalsIgnoreCase(type)) { |
| soapFactory = metaFactory.getSOAP12Factory(); |
| } else { |
| throw new OMException("Unable to determine SOAP version"); |
| } |
| InputSource rootPart = getRootPartInputSource(attachments, contentType); |
| return metaFactory.createSOAPModelBuilder(StAXParserConfiguration.SOAP, soapFactory, |
| rootPart, new OMAttachmentAccessorMimePartProvider(attachments)); |
| } |
| |
| private static InputSource getRootPartInputSource(Attachments attachments, ContentType contentType) { |
| DataHandler dh = attachments.getDataHandler(attachments.getRootPartContentID()); |
| if (dh == null) { |
| throw new OMException("Root part not found in MIME message"); |
| } |
| InputStream in; |
| try { |
| if (dh instanceof DataHandlerExt) { |
| in = ((DataHandlerExt)dh).readOnce(); |
| } else { |
| in = dh.getInputStream(); |
| } |
| } catch (IOException ex) { |
| throw new OMException("Unable to get input stream from root MIME part", ex); |
| } |
| InputSource rootPart = new InputSource(in); |
| rootPart.setEncoding(contentType.getParameter("charset")); |
| return rootPart; |
| } |
| } |