| /* |
| * Copyright 2001-2004 The Apache Software Foundation. |
| * |
| * Licensed 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.axis.message; |
| |
| /** A <code>SOAPHandler</code> |
| * |
| * @author Glen Daniels (gdaniels@allaire.com) |
| */ |
| |
| import org.apache.axis.AxisFault; |
| import org.apache.axis.Constants; |
| import org.apache.axis.encoding.DeserializationContext; |
| import org.apache.axis.encoding.TypeMappingRegistry; |
| import org.apache.axis.soap.SOAPConstants; |
| import org.apache.axis.utils.Messages; |
| import org.apache.axis.utils.StringUtils; |
| import org.xml.sax.Attributes; |
| import org.xml.sax.SAXException; |
| import org.xml.sax.helpers.DefaultHandler; |
| |
| import javax.xml.soap.SOAPException; |
| import java.io.CharArrayWriter; |
| |
| public class SOAPHandler extends DefaultHandler |
| { |
| public MessageElement myElement = null; |
| private MessageElement[] myElements; |
| private int myIndex = 0; |
| |
| private CharArrayWriter val; |
| |
| public SOAPHandler() { |
| } |
| |
| /** |
| * This constructor allows deferred setting of any elements |
| * @param elements array of message elements to be populated |
| * @param index position in array where the message element is to be created |
| */ |
| public SOAPHandler(MessageElement[] elements, int index) { |
| myElements = elements; |
| myIndex = index; |
| } |
| |
| public void startElement(String namespace, String localName, |
| String prefix, Attributes attributes, |
| DeserializationContext context) |
| throws SAXException |
| { |
| SOAPConstants soapConstants = context.getSOAPConstants(); |
| |
| if (soapConstants == SOAPConstants.SOAP12_CONSTANTS) { |
| String encodingStyle = attributes.getValue(Constants.URI_SOAP12_ENV, |
| Constants.ATTR_ENCODING_STYLE); |
| |
| if (encodingStyle != null && !encodingStyle.equals("") |
| && !encodingStyle.equals(Constants.URI_SOAP12_NOENC) |
| && !Constants.isSOAP_ENC(encodingStyle)) { |
| TypeMappingRegistry tmr = context.getTypeMappingRegistry(); |
| // TODO: both soap encoding style is registered ? |
| if (tmr.getTypeMapping(encodingStyle) == tmr.getDefaultTypeMapping()) { |
| AxisFault fault = new AxisFault(Constants.FAULT_SOAP12_DATAENCODINGUNKNOWN, |
| null, Messages.getMessage("invalidEncodingStyle"), null, null, null); |
| |
| throw new SAXException(fault); |
| } |
| } |
| } |
| |
| |
| // By default, make a new element |
| if (!context.isDoneParsing() && !context.isProcessingRef()) { |
| if (myElement == null) { |
| try { |
| myElement = makeNewElement(namespace, localName, prefix, |
| attributes, context); |
| } catch (AxisFault axisFault) { |
| throw new SAXException(axisFault); |
| } |
| } |
| context.pushNewElement(myElement); |
| } |
| } |
| |
| public MessageElement makeNewElement(String namespace, String localName, |
| String prefix, Attributes attributes, |
| DeserializationContext context) |
| throws AxisFault |
| { |
| return new MessageElement(namespace, localName, |
| prefix, attributes, context); |
| } |
| |
| public void endElement(String namespace, String localName, |
| DeserializationContext context) |
| throws SAXException |
| { |
| if (myElement != null) { |
| addTextNode(); |
| |
| if (myElements != null) { |
| myElements[myIndex] = myElement; |
| } |
| myElement.setEndIndex(context.getCurrentRecordPos()); |
| } |
| } |
| |
| public SOAPHandler onStartChild(String namespace, |
| String localName, |
| String prefix, |
| Attributes attributes, |
| DeserializationContext context) |
| throws SAXException |
| { |
| addTextNode(); |
| SOAPHandler handler = new SOAPHandler(); |
| return handler; |
| } |
| |
| private void addTextNode() throws SAXException { |
| if (myElement != null) { |
| if (val != null && val.size() > 0) { |
| String s = StringUtils.strip(val.toString()); |
| val.reset(); |
| |
| // we need to check the length of STRIPPED string |
| // to avoid appending ignorable white spaces as |
| // message elmenet's child. |
| // (SOAPHeader and others does not accept text children... |
| // but in SAAJ 1.2's DOM view, this could be incorrect. |
| // we need to keep the ignorable white spaces later) |
| if(s.length()>0){ |
| try { |
| // add unstripped string as text child. |
| myElement.addTextNode(s); |
| } catch (SOAPException e) { |
| throw new SAXException(e); |
| } |
| } |
| } |
| } |
| } |
| |
| public void onEndChild(String namespace, String localName, |
| DeserializationContext context) |
| throws SAXException |
| { |
| } |
| |
| public void characters(char[] chars, int start, int end) |
| throws SAXException |
| { |
| if (val == null) { |
| val = new CharArrayWriter(); |
| } |
| val.write(chars, start, end); |
| } |
| } |