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Apache CXF example source code file (DataWriterImpl.java)
The Apache CXF DataWriterImpl.java source code/** * 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.cxf.xmlbeans; import java.lang.reflect.Field; import java.lang.reflect.Method; import java.lang.reflect.Modifier; import java.util.Collection; import java.util.logging.Logger; import javax.xml.stream.XMLStreamException; import javax.xml.stream.XMLStreamReader; import javax.xml.stream.XMLStreamWriter; import javax.xml.validation.Schema; import org.w3c.dom.Comment; import org.w3c.dom.Document; import org.w3c.dom.DocumentFragment; import org.w3c.dom.Element; import org.w3c.dom.Node; import org.w3c.dom.Text; import org.apache.cxf.common.logging.LogUtils; import org.apache.cxf.common.util.StringUtils; import org.apache.cxf.databinding.DataWriter; import org.apache.cxf.interceptor.Fault; import org.apache.cxf.message.Attachment; import org.apache.cxf.message.Message; import org.apache.cxf.message.MessageUtils; import org.apache.cxf.service.model.MessagePartInfo; import org.apache.cxf.staxutils.StaxUtils; import org.apache.ws.commons.schema.XmlSchemaAnnotated; import org.apache.ws.commons.schema.XmlSchemaElement; import org.apache.xmlbeans.SchemaType; import org.apache.xmlbeans.XmlAnySimpleType; import org.apache.xmlbeans.XmlObject; import org.apache.xmlbeans.XmlOptions; import org.apache.xmlbeans.XmlTokenSource; import org.apache.xmlbeans.impl.values.XmlObjectBase; public class DataWriterImpl implements DataWriter<XMLStreamWriter> { private static final Logger LOG = LogUtils.getLogger(XmlBeansDataBinding.class); private Schema schema; private Message message; public DataWriterImpl() { } public void write(Object obj, XMLStreamWriter output) { write(obj, null, output); } public void write(Object obj, MessagePartInfo part, XMLStreamWriter output) { try { Class<?> typeClass = part.getTypeClass(); if (typeClass == null) { typeClass = obj.getClass(); } XmlSchemaAnnotated schemaType = part == null ? null : part.getXmlSchema(); if (!XmlObject.class.isAssignableFrom(typeClass) && part != null) { typeClass = (Class<?>)part.getProperty(XmlAnySimpleType.class.getName()); Class<?> cls[] = typeClass.getDeclaredClasses(); for (Class<?> c : cls) { if ("Factory".equals(c.getSimpleName())) { try { SchemaType st = (SchemaType)part.getProperty(SchemaType.class.getName()); XmlOptions options = new XmlOptions(); if (schema != null) { options.setValidateOnSet(); } if (!st.isDocumentType()) { options.setLoadReplaceDocumentElement(null); } Method meth = c.getMethod("newValue", Object.class); obj = meth.invoke(null, obj); break; } catch (Exception e) { throw new Fault("UNMARSHAL_ERROR", LOG, e, part.getTypeClass()); } } } } if (obj != null || !(schemaType instanceof XmlSchemaElement)) { XmlOptions options = new XmlOptions(); if (schema != null) { options.setValidateOnSet(); } if (message != null && MessageUtils.getContextualBoolean(message, XmlBeansDataBinding.XMLBEANS_NAMESPACE_HACK, false)) { Object dom; if (obj instanceof XmlObjectBase) { XmlObjectBase source = (XmlObjectBase)obj; dom = source.newDomNode(options); } else { XmlTokenSource source = (XmlTokenSource)obj; dom = source.newDomNode(options); } if (dom instanceof Document) { org.w3c.dom.Element e = ((Document)dom).getDocumentElement(); StaxUtils.copy(e, output); } else if (dom instanceof DocumentFragment) { DocumentFragment frag = (DocumentFragment) dom; Node node = frag.getFirstChild(); while (node != null) { if (node instanceof Element) { StaxUtils.copy((Element)node, output); } else if (node instanceof Comment) { output.writeComment(((Comment)node).getData()); } else if (node instanceof Text) { output.writeCharacters(((Text)node).getData()); } node = node.getNextSibling(); } } else { throw new Fault("Invalid document type returned: " + dom.toString(), LOG); } return; } XMLStreamReader reader; if (obj instanceof XmlObjectBase) { XmlObjectBase source = (XmlObjectBase)obj; reader = source.newCursorForce().newXMLStreamReader(options); } else { XmlTokenSource source = (XmlTokenSource)obj; reader = source.newCursor().newXMLStreamReader(options); } SchemaType st = part == null ? null : (SchemaType)part.getProperty(SchemaType.class.getName()); if (st == null) { try { Field f = typeClass.getField("type"); if (Modifier.isStatic(f.getModifiers())) { st = (SchemaType)f.get(null); part.setProperty(SchemaType.class.getName(), st); } } catch (Exception es) { //ignore es.printStackTrace(); } } int i = reader.getEventType(); if (i == XMLStreamReader.START_DOCUMENT) { i = reader.next(); } if (st != null && !st.isDocumentType() || reader.getEventType() == XMLStreamReader.CHARACTERS) { if (StringUtils.isEmpty(part.getConcreteName().getNamespaceURI())) { output.writeStartElement(part.getConcreteName().getLocalPart()); } else { String pfx = output.getPrefix(part.getConcreteName().getNamespaceURI()); if (StringUtils.isEmpty(pfx)) { output.writeStartElement("tns", part.getConcreteName().getLocalPart(), part.getConcreteName().getNamespaceURI()); output.writeNamespace("tns", part.getConcreteName().getNamespaceURI()); } else { output.writeStartElement(pfx, part.getConcreteName().getLocalPart(), part.getConcreteName().getNamespaceURI()); } } StaxUtils.copy(reader, output, true); output.writeEndElement(); } else { StaxUtils.copy(reader, output, true); } } else if (obj == null && needToRender(obj, part)) { output.writeStartElement(part.getConcreteName().getNamespaceURI(), part.getConcreteName().getLocalPart()); output.writeEndElement(); } } catch (XMLStreamException e) { throw new Fault("MARSHAL_ERROR", LOG, e, obj); } } private boolean needToRender(Object obj, MessagePartInfo part) { if (part != null && part.getXmlSchema() instanceof XmlSchemaElement) { XmlSchemaElement element = (XmlSchemaElement)part.getXmlSchema(); return element.isNillable() && element.getMinOccurs() > 0; } return false; } public void setAttachments(Collection<Attachment> attachments) { } public void setProperty(String key, Object value) { if (Message.class.getName().equals(key)) { message = (Message)value; } } public void setSchema(Schema schema) { this.schema = schema; } } Other Apache CXF examples (source code examples)Here is a short list of links related to this Apache CXF DataWriterImpl.java source code file: |
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