User: vharcq
Date: 02/04/02 02:12:32
Added: core/src/xdoclet/ejb/tags FinderTagsHandler.java
Log:
Introduce FinderTagsHandler to handle inheritance of finder methods more easily
Revision Changes Path
1.1 xdoclet/core/src/xdoclet/ejb/tags/FinderTagsHandler.java
Index: FinderTagsHandler.java
===================================================================
package xdoclet.ejb.tags;
import xdoclet.XDocletException;
import xdoclet.util.TypeConversionUtil;
import java.util.Properties;
import java.util.Set;
import java.util.HashSet;
import java.util.StringTokenizer;
import xjavadoc.XTag;
/**
* Tag handler for finder methods (ejb:finder)
*
* @author Vincent Harcq ([EMAIL PROTECTED])
* @created April 2, 2002
* @version $Revision: 1.1 $
*/
public class FinderTagsHandler extends HomeTagsHandler{
private String currentSignature;
/**
* Iterates over all finder methods defined in a class and super classes
*
* @param template The body of the block tag
* @param attributes The attributes of the template tag
* @exception XDocletException Description of Exception
* @doc:tag type="block"
* @doc:param name="tagName" optional="false"
* description="The tag name."
* @doc:param name="superclasses" values="true,false"
* description="If true then traverse superclasses also, otherwise look up
* the tag in current concrete class only."
* @doc:param name="tagKey" description="A tag property that
* will be used as a unique key. This is used to avoid duplicate code due
* to similar tags in superclasses."
*/
public void forAllFinders( String template, Properties attributes ) throws
XDocletException
{
boolean superclasses = TypeConversionUtil.stringToBoolean(
attributes.getProperty( "superclasses" ), false );
String type = attributes.getProperty( "type" );
if (type == null)
throw new XDocletException("Attribute 'type' is mandatory for
'forAllFinders'");
Set already = new HashSet();
// Exclude definition coming from super classes
XTag[] superTags = getCurrentClass().superclass().doc().tags( "ejb:finder",
true);
for (int i = 0; i < superTags.length; i++) {
String signature = fullPackageChange(superTags[i].attributeValue(
"signature" ));
String typeMapping = superTags[i].attributeValue( "result-type-mapping"
);
if (typeMapping == null || typeMapping.equalsIgnoreCase(type) )
{
already.add(signature);
}
}
XTag[] tags = getCurrentClass().doc().tags( "ejb:finder", superclasses
);
for( int i = 0; i < tags.length; i++ )
{
String signature = fullPackageChange(tags[i].attributeValue( "signature"
));
String typeMapping = tags[i].attributeValue( "result-type-mapping" );
if (typeMapping == null || typeMapping.equalsIgnoreCase(type) )
{
if ( !already.add(signature) )
continue;
System.out.println("key="+signature);
setCurrentTag( tags[i] );
setCurrentSignature(signature);
generate( template );
}
}
setCurrentTag( null );
setCurrentSignature(null);
}
public String currentSignature() throws XDocletException
{
return currentSignature;
}
protected void setCurrentSignature(String cs)
{
this.currentSignature = cs;
}
private String fullPackageChange(String s)
{
StringTokenizer st = new StringTokenizer(s," ");
String sign = st.nextToken();
StringBuffer ret = new StringBuffer();
if (sign.equals("Collection")){
ret.append("java.util.Collection");
}
else if (sign.equals("Enumeration")){
ret.append("java.util.Enumeration");
}
else ret.append(sign);
while (st.hasMoreTokens())
{
ret.append(" ").append(st.nextToken());
}
return ret.toString();
}
}
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