| /* |
| * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.xml.internal.stream.buffer.stax; |
| |
| import com.sun.xml.internal.stream.buffer.MutableXMLStreamBuffer; |
| import com.sun.xml.internal.org.jvnet.staxex.Base64Data; |
| import com.sun.xml.internal.org.jvnet.staxex.NamespaceContextEx; |
| import com.sun.xml.internal.org.jvnet.staxex.XMLStreamWriterEx; |
| |
| import javax.activation.DataHandler; |
| import javax.xml.namespace.NamespaceContext; |
| import javax.xml.stream.XMLStreamException; |
| import javax.xml.stream.XMLStreamWriter; |
| import java.io.OutputStream; |
| |
| /** |
| * {@link XMLStreamWriter} that fills {@link MutableXMLStreamBuffer}. |
| * <p> |
| * TODO: need to retain all attributes/namespaces and then store all namespaces |
| * before the attributes. Currently it is necessary for the caller to ensure |
| * all namespaces are written before attributes and the caller must not intermix |
| * calls to the writeNamespace and writeAttribute methods. |
| * |
| */ |
| public class StreamWriterBufferCreator extends StreamBufferCreator implements XMLStreamWriterEx { |
| private final NamespaceContexHelper namespaceContext = new NamespaceContexHelper(); |
| |
| /** |
| * Nesting depth of the element. |
| * This field is ultimately used to keep track of the # of trees we created in |
| * the buffer. |
| */ |
| private int depth=0; |
| |
| public StreamWriterBufferCreator() { |
| setXMLStreamBuffer(new MutableXMLStreamBuffer()); |
| } |
| |
| public StreamWriterBufferCreator(MutableXMLStreamBuffer buffer) { |
| setXMLStreamBuffer(buffer); |
| } |
| |
| // XMLStreamWriter |
| |
| public Object getProperty(String str) throws IllegalArgumentException { |
| return null; //return null for all the property names instead of |
| //throwing unsupported operation exception. |
| } |
| |
| public void close() throws XMLStreamException { |
| } |
| |
| public void flush() throws XMLStreamException { |
| } |
| |
| public NamespaceContextEx getNamespaceContext() { |
| return namespaceContext; |
| } |
| |
| public void setNamespaceContext(NamespaceContext namespaceContext) throws XMLStreamException { |
| /* |
| * It is really unclear from the JavaDoc how to implement this method. |
| */ |
| throw new UnsupportedOperationException(); |
| } |
| |
| public void setDefaultNamespace(String namespaceURI) throws XMLStreamException { |
| setPrefix("", namespaceURI); |
| } |
| |
| public void setPrefix(String prefix, String namespaceURI) throws XMLStreamException { |
| namespaceContext.declareNamespace(prefix, namespaceURI); |
| } |
| |
| public String getPrefix(String namespaceURI) throws XMLStreamException { |
| return namespaceContext.getPrefix(namespaceURI); |
| } |
| |
| |
| public void writeStartDocument() throws XMLStreamException { |
| writeStartDocument("", ""); |
| } |
| |
| public void writeStartDocument(String version) throws XMLStreamException { |
| writeStartDocument("", ""); |
| } |
| |
| public void writeStartDocument(String encoding, String version) throws XMLStreamException { |
| namespaceContext.resetContexts(); |
| |
| storeStructure(T_DOCUMENT); |
| } |
| |
| public void writeEndDocument() throws XMLStreamException { |
| storeStructure(T_END); |
| } |
| |
| public void writeStartElement(String localName) throws XMLStreamException { |
| namespaceContext.pushContext(); |
| depth++; |
| |
| final String defaultNamespaceURI = namespaceContext.getNamespaceURI(""); |
| |
| if (defaultNamespaceURI == null) |
| storeQualifiedName(T_ELEMENT_LN, null, null, localName); |
| else |
| storeQualifiedName(T_ELEMENT_LN, null, defaultNamespaceURI, localName); |
| } |
| |
| public void writeStartElement(String namespaceURI, String localName) throws XMLStreamException { |
| namespaceContext.pushContext(); |
| depth++; |
| |
| final String prefix = namespaceContext.getPrefix(namespaceURI); |
| if (prefix == null) { |
| throw new XMLStreamException(); |
| } |
| |
| namespaceContext.pushContext(); |
| storeQualifiedName(T_ELEMENT_LN, prefix, namespaceURI, localName); |
| } |
| |
| public void writeStartElement(String prefix, String localName, String namespaceURI) throws XMLStreamException { |
| namespaceContext.pushContext(); |
| depth++; |
| |
| storeQualifiedName(T_ELEMENT_LN, prefix, namespaceURI, localName); |
| } |
| |
| public void writeEmptyElement(String localName) throws XMLStreamException { |
| writeStartElement(localName); |
| writeEndElement(); |
| } |
| |
| public void writeEmptyElement(String namespaceURI, String localName) throws XMLStreamException { |
| writeStartElement(namespaceURI, localName); |
| writeEndElement(); |
| } |
| |
| public void writeEmptyElement(String prefix, String localName, String namespaceURI) throws XMLStreamException { |
| writeStartElement(prefix, localName, namespaceURI); |
| writeEndElement(); |
| } |
| |
| public void writeEndElement() throws XMLStreamException { |
| namespaceContext.popContext(); |
| |
| storeStructure(T_END); |
| if(--depth==0) |
| increaseTreeCount(); |
| } |
| |
| public void writeDefaultNamespace(String namespaceURI) throws XMLStreamException { |
| storeNamespaceAttribute(null, namespaceURI); |
| } |
| |
| public void writeNamespace(String prefix, String namespaceURI) throws XMLStreamException { |
| if ("xmlns".equals(prefix)) |
| prefix = null; |
| storeNamespaceAttribute(prefix, namespaceURI); |
| } |
| |
| |
| public void writeAttribute(String localName, String value) throws XMLStreamException { |
| storeAttribute(null, null, localName, "CDATA", value); |
| } |
| |
| public void writeAttribute(String namespaceURI, String localName, String value) throws XMLStreamException { |
| final String prefix = namespaceContext.getPrefix(namespaceURI); |
| if (prefix == null) { |
| // TODO |
| throw new XMLStreamException(); |
| } |
| |
| writeAttribute(prefix, namespaceURI, localName, value); |
| } |
| |
| public void writeAttribute(String prefix, String namespaceURI, String localName, String value) throws XMLStreamException { |
| storeAttribute(prefix, namespaceURI, localName, "CDATA", value); |
| } |
| |
| public void writeCData(String data) throws XMLStreamException { |
| storeStructure(T_TEXT_AS_STRING); |
| storeContentString(data); |
| } |
| |
| public void writeCharacters(String charData) throws XMLStreamException { |
| storeStructure(T_TEXT_AS_STRING); |
| storeContentString(charData); |
| } |
| |
| public void writeCharacters(char[] buf, int start, int len) throws XMLStreamException { |
| storeContentCharacters(T_TEXT_AS_CHAR_ARRAY, buf, start, len); |
| } |
| |
| public void writeComment(String str) throws XMLStreamException { |
| storeStructure(T_COMMENT_AS_STRING); |
| storeContentString(str); |
| } |
| |
| public void writeDTD(String str) throws XMLStreamException { |
| // not support. just ignore. |
| } |
| |
| public void writeEntityRef(String str) throws XMLStreamException { |
| storeStructure(T_UNEXPANDED_ENTITY_REFERENCE); |
| storeContentString(str); |
| } |
| |
| public void writeProcessingInstruction(String target) throws XMLStreamException { |
| writeProcessingInstruction(target, ""); |
| } |
| |
| public void writeProcessingInstruction(String target, String data) throws XMLStreamException { |
| storeProcessingInstruction(target, data); |
| } |
| |
| // XMLStreamWriterEx |
| |
| public void writePCDATA(CharSequence charSequence) throws XMLStreamException { |
| if (charSequence instanceof Base64Data) { |
| storeStructure(T_TEXT_AS_OBJECT); |
| storeContentObject(((Base64Data)charSequence).clone()); |
| } else { |
| writeCharacters(charSequence.toString()); |
| } |
| } |
| |
| public void writeBinary(byte[] bytes, int offset, int length, String endpointURL) throws XMLStreamException { |
| Base64Data d = new Base64Data(); |
| byte b[] = new byte[length]; |
| System.arraycopy(bytes, offset, b, 0, length); |
| d.set(b, length, null, true); |
| storeStructure(T_TEXT_AS_OBJECT); |
| storeContentObject(d); |
| } |
| |
| public void writeBinary(DataHandler dataHandler) throws XMLStreamException { |
| Base64Data d = new Base64Data(); |
| d.set(dataHandler); |
| storeStructure(T_TEXT_AS_OBJECT); |
| storeContentObject(d); |
| } |
| |
| public OutputStream writeBinary(String endpointURL) throws XMLStreamException { |
| // TODO |
| throw new UnsupportedOperationException(); |
| } |
| } |