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    1   package org.codehaus.xfire.service.binding;
    2
    3   import java.util.ArrayList;
    4   import java.util.Collection;
    5   import java.util.Iterator;
    6   import java.util.List;
    7
    8   import javax.wsdl.Message;
    9   import javax.wsdl.Part;
    10  import javax.xml.namespace.QName;
    11  import javax.xml.stream.XMLStreamWriter;
    12
    13  import org.codehaus.xfire.MessageContext;
    14  import org.codehaus.xfire.exchange.InMessage;
    15  import org.codehaus.xfire.exchange.OutMessage;
    16  import org.codehaus.xfire.fault.XFireFault;
    17  import org.codehaus.xfire.service.MessageInfo;
    18  import org.codehaus.xfire.service.MessagePartInfo;
    19  import org.codehaus.xfire.service.OperationInfo;
    20  import org.codehaus.xfire.service.Service;
    21  import org.codehaus.xfire.soap.SoapConstants;
    22  import org.codehaus.xfire.util.DepthXMLStreamReader;
    23  import org.codehaus.xfire.util.STAXUtils;
    24  import org.codehaus.xfire.wsdl11.WSDL11ParameterBinding;
    25  import org.codehaus.xfire.wsdl11.builder.WSDLBuilder;
    26
    27  public class DocumentBinding
    28      extends AbstractBinding
    29      implements WSDL11ParameterBinding, Cloneable
    30  {
    31      public DocumentBinding()
    32      {
    33          setStyle(SoapConstants.STYLE_DOCUMENT);
    34          setUse(SoapConstants.USE_LITERAL);
    35      }
    36
    37      public void readMessage(InMessage inMessage, MessageContext context)
    38          throws XFireFault
    39      {
    40          Service endpoint = context.getService();
    41
    42          List parameters = new ArrayList();
    43          DepthXMLStreamReader dr = new DepthXMLStreamReader(context.getInMessage().getXMLStreamReader());
    44
    45          while (STAXUtils.toNextElement(dr))
    46          {
    47              MessagePartInfo p = findMessagePart(endpoint, dr.getName());
    48
    49              if (p == null)
    50              {
    51                  throw new XFireFault("Parameter " + dr.getName() + " does not exist!",
    52                                       XFireFault.SENDER);
    53              }
    54
    55              parameters.add( getBindingProvider().readParameter(p, dr, context) );
    56          }
    57
    58          if (!isClientModeOn())
    59          {
    60              setOperation(findOperation(endpoint, parameters), context);
    61          }
    62
    63          context.getInMessage().setBody(parameters);
    64      }
    65
    66      public void writeMessage(OutMessage message, XMLStreamWriter writer, MessageContext context)
    67          throws XFireFault
    68      {
    69          OperationInfo op = context.getExchange().getOperation();
    70          Object[] values = (Object[]) message.getBody();
    71          int i = 0;
    72
    73          MessageInfo msgInfo = null;
    74          if (isClientModeOn())
    75          {
    76              msgInfo = op.getInputMessage();
    77          }
    78          else
    79          {
    80              msgInfo = op.getOutputMessage();
    81          }
    82
    83          for(Iterator itr = msgInfo.getMessageParts().iterator(); itr.hasNext();)
    84          {
    85              MessagePartInfo outParam = (MessagePartInfo) itr.next();
    86
    87              getBindingProvider().writeParameter(outParam, writer, context, values[i]);
    88              i++;
    89          }
    90      }
    91
    92      protected OperationInfo findOperation(Service endpoint, List parameters)
    93      {
    94          for ( Iterator itr = endpoint.getServiceInfo().getOperations().iterator(); itr.hasNext(); )
    95          {
    96              OperationInfo o = (OperationInfo) itr.next();
    97              List messageParts = o.getInputMessage().getMessageParts();
    98              if ( messageParts.size() == parameters.size() )
    99              {
    100                 if (checkParameters(messageParts, parameters))
    101                     return o;
    102             }
    103         }
    104
    105         return null;
    106     }
    107
    108     private boolean checkParameters(List messageParts, List parameters)
    109     {
    110         Iterator messagePartIterator = messageParts.iterator();
    111         for (Iterator parameterIterator = parameters.iterator(); parameterIterator.hasNext();)
    112         {
    113             Object param = parameterIterator.next();
    114             MessagePartInfo mpi = (MessagePartInfo) messagePartIterator.next();
    115             if (!mpi.getTypeClass().isAssignableFrom(param.getClass()))
    116                 return false;
    117         }
    118         return true;
    119     }
    120
    121     protected MessagePartInfo findMessagePart(Service endpoint, QName name)
    122     {
    123
    124         for ( Iterator itr = endpoint.getServiceInfo().getOperations().iterator(); itr.hasNext(); )
    125         {
    126             OperationInfo op = (OperationInfo) itr.next();
    127             MessageInfo msgInfo = null;
    128             if (isClientModeOn())
    129             {
    130                 msgInfo = op.getOutputMessage();
    131             }
    132             else
    133             {
    134                 msgInfo = op.getInputMessage();
    135             }
    136
    137             MessagePartInfo p = msgInfo.getMessagePart(name);
    138
    139             if ( p != null )
    140                 return p;
    141         }
    142         return null;
    143     }
    144
    145
    146     public void createInputParts(WSDLBuilder builder,
    147                                  Message req,
    148                                  OperationInfo op)
    149     {
    150         writeParameters(builder, req, op.getInputMessage().getMessageParts());
    151     }
    152
    153     public void createOutputParts(WSDLBuilder builder,
    154                                   Message req,
    155                                   OperationInfo op)
    156     {
    157         writeParameters(builder, req, op.getOutputMessage().getMessageParts());
    158     }
    159
    160     private void writeParameters(WSDLBuilder builder,
    161                                  Message message,
    162                                  Collection params)
    163     {
    164         for (Iterator itr = params.iterator(); itr.hasNext();)
    165         {
    166             MessagePartInfo param = (MessagePartInfo) itr.next();
    167
    168             Part part = builder.createPart(param);
    169
    170             message.addPart(part);
    171         }
    172     }
    173
    174     public Object clone()
    175     {
    176         DocumentBinding binding = new DocumentBinding();
    177         binding.setBindingProvider(getBindingProvider());
    178
    179         return binding;
    180     }
    181 }