XDI Proposal

Examples for discussion on today's call

 

The following is example from the XML 
Schema Primer.

 

<purchaseOrder orderDate="1999-10-20" ID="_1234">
  
<shipTo country="US">
    <name>Alice 
Smith</name>
    <street>123 Maple 
Street</street>
    <city>Mill 
Valley</city>
    
<state>CA</state>
    
<zip>90952</zip>
  </shipTo>
  <billTo 
country="US">
    <name>Robert 
Smith</name>
    <street>8 Oak 
Avenue</street>
    <city>Old 
Town</city>
    
<state>PA</state>
    
<zip>95819</zip>
  </billTo>
  
<comment>Hurry, my lawn is going wild<!/comment>
  
<items>
    <item 
partNum="872-AA">
      
<productName>Lawnmower</productName>
      
<quantity>1</quantity>
      
<USPrice>148.95</USPrice>
      
<comment>Confirm this is electric</comment>
    
</item>
    <item 
partNum="926-AA">
      <productName>Baby 
Monitor</productName>
      
<quantity>1</quantity>
      
<USPrice>39.98</USPrice>
      
<shipDate>1999-05-21</shipDate>
    
</item>
  </items>
</purchaseOrder>

 

The same XML as an XDI Resource Bundle

 

<xdi:Resource>
  <xdi:Header>
  .
  
.
  .
  </xdi:Header>
  
<xdi:Data>
    <purchaseOrder orderDate="1999-10-20" 
ID="_1234">
      <shipTo 
country="US">
        <name>Alice 
Smith</name>
        
<street>123 Maple 
Street</street>
        
<city>Mill 
Valley</city>
        
<state>CA</state>
        
<zip>90952</zip>
      
</shipTo>
      <billTo 
country="US">
        
<name>Robert 
Smith</name>
        <street>8 
Oak Avenue</street>
        
<city>Old Town</city>
        
<state>PA</state>
        
<zip>95819</zip>
      
</billTo>
      <comment>Hurry, my lawn 
is going wild<!/comment>
      
<items>
        <item 
partNum="872-AA">
          
<productName>Lawnmower</productName>
          
<quantity>1</quantity>
          
<USPrice>148.95</USPrice>
          
<comment>Confirm this is 
electric</comment>
        
</item>
        <item 
partNum="926-AA">
          
<productName>Baby 
Monitor</productName>
          
<quantity>1</quantity>
          
<USPrice>39.98</USPrice>
          
<shipDate>1999-05-21</shipDate>
        
</item>
      
</items>
    </purchaseOrder>
  
</xdi:Data>
</xdi:Resource>

Same data with meta data to add typing and addressing info to some of 
the data nodes

 

<xdi:Resource>
  <xdi:Header>
  <xdi:Meta 
URI="#_1234" XPath="/purchaseOrder">
      
<xdi:Address>xri://@w3c/xmlschema/po.xml</xdi:Address>
      
<xdi:type>@dictionary/(+purchaseOrder)</xdi:Type>
      
<xdi:Meta 
XPath="/purchaseOrder/shipTo">
        
<xdi:Address>!2</xdi:Address>
        
<xdi:Type>@dictionary/(+address)</xdi:Type>
        
<xdi:Type>@dictionary/(+shippingAddress)</xdi:Type>
      
<xdi:Meta>
      <xdi:Meta 
XPath="/purchaseOrder/billTo">
        
<xdi:Address>!3</xdi:Address>
        
<xdi:Type>@dictionary/(+address)</xdi:Type>
        
<xdi:Type>@dictionary/(+billingAddress)</xdi:Type>
      
</xdi:Meta>
      <xdi:Meta 
XPath="/purchaseOrder/comment">
        
<xdi:Address>!4</xdi:Address>
      
</xdi:Meta>
      <xdi:Meta 
XPath="/purchaseOrder/items">
        
<xdi:Address>!5</xdi:Address>
        
<xdi:Meta 
XPath="/purchaseOrder/items/item[1]">
          
<xdi:Address>!1</xdi:Address>
        
</xdi:Meta>
        <xdi:Meta 
XPath="/purchaseOrder/items/item[2]">
          
<xdi:Address>!2</xdi:Address>
        
</xdi:Meta>
      
</xdi:Meta>
    </xdi:Meta>
  
</xdi:Header>
  <xdi:Data>
    
<purchaseOrder orderDate="1999-10-20" 
ID="_1234">
      <shipTo 
country="US">
        <name>Alice 
Smith</name>
        
<street>123 Maple 
Street</street>
        
<city>Mill 
Valley</city>
        
<state>CA</state>
        
<zip>90952</zip>
      
</shipTo>
      <billTo 
country="US">
        
<name>Robert 
Smith</name>
        <street>8 
Oak Avenue</street>
        
<city>Old Town</city>
        
<state>PA</state>
        
<zip>95819</zip>
      
</billTo>
      <comment>Hurry, my lawn 
is going wild<!/comment>
      
<items>
        <item 
partNum="872-AA">
          
<productName>Lawnmower</productName>
          
<quantity>1</quantity>
          
<USPrice>148.95</USPrice>
          
<comment>Confirm this is 
electric</comment>
        
</item>
        <item 
partNum="926-AA">
          
<productName>Baby 
Monitor</productName>
          
<quantity>1</quantity>
          
<USPrice>39.98</USPrice>
          
<shipDate>1999-05-21</shipDate>
        
</item>
      
</items>
    </purchaseOrder>
  
</xdi:Data>
</xdi:Resource>

What this says, in effect is, the we wish the XML in the data section 
looked like this

 

<purchaseOrder orderDate="1999-10-20" ID="_1234">
  
<shipTo country="US">
    <name>Alice 
Smith</name>
    <street>123 Maple 
Street</street>
    <city>Mill 
Valley</city>
    
<state>CA</state>
    
<zip>90952</zip>
    
<xdi:Address>!2</xdi:Address>
    
<xdi:Type>@dictionary/(+address)</xdi:Type>
    
<xdi:Type>@dictionary/(+shippingAddress)</xdi:Type>
  
</shipTo>
  <billTo country="US">
    
<name>Robert Smith</name>
    <street>8 Oak 
Avenue</street>
    <city>Old 
Town</city>
    
<state>PA</state>
    
<zip>95819</zip>
    
<xdi:Address>!3</xdi:Address>
    
<xdi:Type>@dictionary/(+address)</xdi:Type>
    
<xdi:Type>@dictionary/(+billingAddress)</xdi:Type>
  
</billTo>
  <comment>
    Hurry, my lawn 
is going wild
    
<xdi:Address>!4</xdi:Address
  </comment>>
  
<items>
    <item 
partNum="872-AA">
      
<productName>Lawnmower</productName>
      
<quantity>1</quantity>
      
<USPrice>148.95</USPrice>
      
<comment>Confirm this is 
electric</comment>
      
<xdi:Address>!1</xdi:Address>
    
</item>
    <item 
partNum="926-AA">
      <productName>Baby 
Monitor</productName>
      
<quantity>1</quantity>
      
<USPrice>39.98</USPrice>
      
<shipDate>1999-05-21</shipDate>
      
<xdi:Address>!2</xdi:Address>
    
</item>
    
<xdi:Address>!5</xdi:Address>
  </items>
  
<xdi:Address>xri://@w3c/xmlschema/po.xml</xdi:Address>
  
<xdi:type>@dictionary/(+purchaseOrder)</xdi:Type>
</purchaseOrder>