[Exist-commits] eXist-1.0/src/org/exist/xquery/functions/xmldb XMLDBCreated.java,NONE,1.1 XMLDBLastModified.java,NONE,1.1 ModuleImpl.java,1.4,1.5

[Giulio V. <gva...@us...>]

Update of /cvsroot/exist/eXist-1.0/src/org/exist/xquery/functions/xmldb
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv30151/src/org/exist/xquery/functions/xmldb

Modified Files:
	ModuleImpl.java 
Added Files:
	XMLDBCreated.java XMLDBLastModified.java 
Log Message:
add created and last-modified to xquery

--- NEW FILE: XMLDBLastModified.java ---
/*
 *  eXist Open Source Native XML Database
 *  Copyright (C) 2001-03 Wolfgang M. Meier
 *  wol...@ex...
 *  http://exist.sourceforge.net
 *  
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public License
 *  as published by the Free Software Foundation; either version 2
 *  of the License, or (at your option) any later version.
 *  
 *  This program 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 Lesser General Public License for more details.
 *  
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *  
 */
package org.exist.xquery.functions.xmldb;

import org.exist.dom.NodeProxy;
import org.exist.dom.QName;
import org.exist.xquery.BasicFunction;
import org.exist.xquery.Cardinality;
import org.exist.xquery.FunctionSignature;
import org.exist.xquery.XPathException;
import org.exist.xquery.XQueryContext;
import org.exist.xquery.value.NodeValue;
import org.exist.xquery.value.Sequence;
import org.exist.xquery.value.SequenceType;
import org.exist.xquery.value.Type;
import org.exist.xquery.value.DateTimeValue;


import org.exist.security.User;

/**
 * @author Wolfgang Meier (wol...@ex...)
 *
 */
public class XMLDBLastModified extends BasicFunction {

	public final static FunctionSignature signature =
		new FunctionSignature(
			new QName("last-modified", ModuleImpl.NAMESPACE_URI, ModuleImpl.PREFIX),
			"Returns the modified date",
			new SequenceType[] {
					new SequenceType(Type.NODE, Cardinality.EXACTLY_ONE)
			},
			new SequenceType(Type.DATE_TIME, Cardinality.EXACTLY_ONE));
	
	public XMLDBLastModified(XQueryContext context) {
		super(context, signature);
	}
	
	/* (non-Javadoc)
	 * @see org.exist.xquery.BasicFunction#eval(org.exist.xquery.value.Sequence[], org.exist.xquery.value.Sequence)
	 */
	public Sequence eval(Sequence[] args, Sequence contextSequence)
		throws XPathException {
		NodeValue node = (NodeValue)args[0].itemAt(0);
		if(node.getImplementationType() == NodeValue.PERSISTENT_NODE) {
			NodeProxy proxy = (NodeProxy)node;
     		return new DateTimeValue(proxy.doc.getLastModified(),0);
		}
		return Sequence.EMPTY_SEQUENCE;
	}

}

--- NEW FILE: XMLDBCreated.java ---
/*
 *  eXist Open Source Native XML Database
 *  Copyright (C) 2001-03 Wolfgang M. Meier
 *  wol...@ex...
 *  http://exist.sourceforge.net
 *  
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public License
 *  as published by the Free Software Foundation; either version 2
 *  of the License, or (at your option) any later version.
 *  
 *  This program 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 Lesser General Public License for more details.
 *  
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *  
 */
package org.exist.xquery.functions.xmldb;

import org.exist.dom.NodeProxy;
import org.exist.dom.QName;
import org.exist.xquery.BasicFunction;
import org.exist.xquery.Cardinality;
import org.exist.xquery.FunctionSignature;
import org.exist.xquery.XPathException;
import org.exist.xquery.XQueryContext;
import org.exist.xquery.value.NodeValue;
import org.exist.xquery.value.Sequence;
import org.exist.xquery.value.SequenceType;
import org.exist.xquery.value.Type;
import org.exist.xquery.value.DateTimeValue;


import org.exist.security.User;

/**
 * @author Wolfgang Meier (wol...@ex...)
 *
 */
public class XMLDBCreated extends BasicFunction {

	public final static FunctionSignature signature =
		new FunctionSignature(
			new QName("created", ModuleImpl.NAMESPACE_URI, ModuleImpl.PREFIX),
			"Returns the creation date",
			new SequenceType[] {
					new SequenceType(Type.NODE, Cardinality.EXACTLY_ONE)
			},
			new SequenceType(Type.DATE_TIME, Cardinality.EXACTLY_ONE));
	
	public XMLDBCreated(XQueryContext context) {
		super(context, signature);
	}
	
	/* (non-Javadoc)
	 * @see org.exist.xquery.BasicFunction#eval(org.exist.xquery.value.Sequence[], org.exist.xquery.value.Sequence)
	 */
	public Sequence eval(Sequence[] args, Sequence contextSequence)
		throws XPathException {
		NodeValue node = (NodeValue)args[0].itemAt(0);
		if(node.getImplementationType() == NodeValue.PERSISTENT_NODE) {
			NodeProxy proxy = (NodeProxy)node;
     		return new DateTimeValue(proxy.doc.getCreated(),0);
		}
		return Sequence.EMPTY_SEQUENCE;
	}

}

Index: ModuleImpl.java
===================================================================
RCS file: /cvsroot/exist/eXist-1.0/src/org/exist/xquery/functions/xmldb/ModuleImpl.java,v
retrieving revision 1.4
retrieving revision 1.5
diff -C2 -d -r1.4 -r1.5
*** ModuleImpl.java	1 Mar 2004 13:20:35 -0000	1.4
--- ModuleImpl.java	26 Mar 2004 11:04:01 -0000	1.5
***************
*** 43,47 ****
  		new FunctionDef(XMLDBXUpdate.signature, XMLDBXUpdate.class),
  		new FunctionDef(XMLDBRemove.signature, XMLDBRemove.class),
! 		new FunctionDef(XMLDBHasLock.signature, XMLDBHasLock.class)
  	};
  	
--- 43,49 ----
  		new FunctionDef(XMLDBXUpdate.signature, XMLDBXUpdate.class),
  		new FunctionDef(XMLDBRemove.signature, XMLDBRemove.class),
! 		new FunctionDef(XMLDBHasLock.signature, XMLDBHasLock.class),
! 		new FunctionDef(XMLDBCreated.signature, XMLDBCreated.class),
! 		new FunctionDef(XMLDBLastModified.signature, XMLDBLastModified.class)
  	};