Merge from helma_1_2_4
This commit is contained in:
hns
parent
df40e73b63
commit
66663c8b20
177 changed files with 28899 additions and 18112 deletions
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@ -1,189 +1,263 @@
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/*
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* Helma License Notice
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*
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* The contents of this file are subject to the Helma License
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* Version 2.0 (the "License"). You may not use this file except in
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* compliance with the License. A copy of the License is available at
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* http://adele.helma.org/download/helma/license.txt
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*
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* Copyright 1998-2003 Helma Software. All Rights Reserved.
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*
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* $RCSfile$
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* $Author$
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* $Revision$
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* $Date$
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*/
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package helma.objectmodel.dom;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.text.SimpleDateFormat;
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import java.text.ParseException;
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import java.util.Date;
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// import java.util.HashMap;
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import java.util.Hashtable;
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import java.util.List;
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import javax.xml.parsers.*;
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import org.xml.sax.*;
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import org.xml.sax.helpers.DefaultHandler;
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import helma.objectmodel.INode;
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import helma.objectmodel.db.DbKey;
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import helma.objectmodel.db.DbMapping;
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import helma.objectmodel.db.ExternalizableVector;
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import helma.objectmodel.db.Node;
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import helma.objectmodel.db.NodeHandle;
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import helma.objectmodel.db.NodeManager;
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import helma.objectmodel.db.Property;
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import helma.objectmodel.db.DbMapping;
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import org.xml.sax.*;
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import org.xml.sax.helpers.DefaultHandler;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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// import java.util.HashMap;
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import java.util.Hashtable;
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import java.util.List;
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import javax.xml.parsers.*;
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/**
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*
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*/
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public final class XmlDatabaseReader extends DefaultHandler implements XmlConstants {
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static SAXParserFactory factory = SAXParserFactory.newInstance();
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private NodeManager nmgr = null;
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private Node currentNode;
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private String elementType = null;
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private String elementName = null;
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private StringBuffer charBuffer = null;
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Hashtable propMap = null;
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List subnodes = null;
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static SAXParserFactory factory = SAXParserFactory.newInstance ();
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public XmlDatabaseReader (NodeManager nmgr) {
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this.nmgr = nmgr;
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/**
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* Creates a new XmlDatabaseReader object.
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*
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* @param nmgr ...
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*/
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public XmlDatabaseReader(NodeManager nmgr) {
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this.nmgr = nmgr;
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}
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/**
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* read an InputSource with xml-content.
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*/
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public Node read (File file)
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throws ParserConfigurationException, SAXException, IOException {
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if (nmgr==null)
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throw new RuntimeException ("can't create a new Node without a NodeManager");
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public Node read(File file)
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throws ParserConfigurationException, SAXException, IOException {
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if (nmgr == null) {
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throw new RuntimeException("can't create a new Node without a NodeManager");
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}
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SAXParser parser = factory.newSAXParser ();
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SAXParser parser = factory.newSAXParser();
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currentNode = null;
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currentNode = null;
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parser.parse (file, this);
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return currentNode;
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parser.parse(file, this);
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return currentNode;
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}
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/**
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*
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*
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* @param namespaceURI ...
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* @param localName ...
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* @param qName ...
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* @param atts ...
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*/
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public void startElement(String namespaceURI, String localName, String qName,
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Attributes atts) {
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// System.err.println ("XML-READ: startElement "+namespaceURI+", "+localName+", "+qName+", "+atts.getValue("id"));
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// discard the first element called xmlroot
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if ("xmlroot".equals(qName) && (currentNode == null)) {
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return;
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}
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public void startElement(String namespaceURI, String localName, String qName, Attributes atts) {
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// System.err.println ("XML-READ: startElement "+namespaceURI+", "+localName+", "+qName+", "+atts.getValue("id"));
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// discard the first element called xmlroot
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if ("xmlroot".equals (qName) && currentNode == null)
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return;
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// if currentNode is null, this must be the hopobject node
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if ("hopobject".equals (qName) && currentNode == null) {
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String id = atts.getValue ("id");
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String name = atts.getValue ("name");
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String prototype = atts.getValue ("prototype");
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if ( "".equals(prototype) )
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prototype = "hopobject";
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// if currentNode is null, this must be the hopobject node
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if ("hopobject".equals(qName) && (currentNode == null)) {
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String id = atts.getValue("id");
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String name = atts.getValue("name");
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String prototype = atts.getValue("prototype");
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try {
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long created = Long.parseLong (atts.getValue ("created"));
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long lastmodified = Long.parseLong (atts.getValue ("lastModified"));
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currentNode = new Node (name,id,prototype,nmgr.safe,created,lastmodified);
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} catch ( NumberFormatException e ) {
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currentNode = new Node (name,id,prototype,nmgr.safe);
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}
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return;
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}
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// find out what kind of element this is by looking at
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// the number and names of attributes.
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String idref = atts.getValue ("idref");
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if (idref != null) {
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// a hopobject reference.
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NodeHandle handle = makeNodeHandle (atts);
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if ("hop:child".equals (qName)) {
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if (subnodes == null) {
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subnodes = new ExternalizableVector ();
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currentNode.setSubnodes (subnodes);
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}
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subnodes.add (handle);
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} else if ("hop:parent".equals (qName)) {
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currentNode.setParentHandle (handle);
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} else {
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// property name may be encoded as "propertyname" attribute,
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// otherwise it is the element name
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String propName = atts.getValue ("propertyname");
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if (propName == null)
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propName = qName;
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Property prop = new Property (propName, currentNode);
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prop.setNodeHandle (handle);
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if (propMap == null) {
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propMap = new Hashtable ();
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currentNode.setPropMap (propMap);
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}
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propMap.put (propName.toLowerCase(), prop);
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}
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} else {
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// a primitive property
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elementType = atts.getValue ("type");
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if (elementType == null)
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elementType = "string";
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// property name may be encoded as "propertyname" attribute,
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// otherwise it is the element name
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elementName = atts.getValue ("propertyname");
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if (elementName == null)
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elementName = qName;
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if (charBuffer == null)
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charBuffer = new StringBuffer();
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else
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charBuffer.setLength (0);
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}
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if ("".equals(prototype)) {
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prototype = "hopobject";
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}
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try {
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long created = Long.parseLong(atts.getValue("created"));
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long lastmodified = Long.parseLong(atts.getValue("lastModified"));
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currentNode = new Node(name, id, prototype, nmgr.safe, created,
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lastmodified);
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} catch (NumberFormatException e) {
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currentNode = new Node(name, id, prototype, nmgr.safe);
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}
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return;
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}
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// find out what kind of element this is by looking at
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// the number and names of attributes.
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String idref = atts.getValue("idref");
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if (idref != null) {
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// a hopobject reference.
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NodeHandle handle = makeNodeHandle(atts);
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if ("hop:child".equals(qName)) {
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if (subnodes == null) {
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subnodes = new ExternalizableVector();
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currentNode.setSubnodes(subnodes);
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}
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subnodes.add(handle);
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} else if ("hop:parent".equals(qName)) {
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currentNode.setParentHandle(handle);
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} else {
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// property name may be encoded as "propertyname" attribute,
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// otherwise it is the element name
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String propName = atts.getValue("propertyname");
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if (propName == null) {
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propName = qName;
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}
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Property prop = new Property(propName, currentNode);
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prop.setNodeHandle(handle);
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if (propMap == null) {
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propMap = new Hashtable();
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currentNode.setPropMap(propMap);
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}
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propMap.put(propName.toLowerCase(), prop);
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}
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} else {
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// a primitive property
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elementType = atts.getValue("type");
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if (elementType == null) {
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elementType = "string";
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}
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// property name may be encoded as "propertyname" attribute,
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// otherwise it is the element name
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elementName = atts.getValue("propertyname");
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if (elementName == null) {
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elementName = qName;
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}
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if (charBuffer == null) {
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charBuffer = new StringBuffer();
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} else {
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charBuffer.setLength(0);
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}
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}
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}
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public void characters (char[] ch, int start, int length)
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throws SAXException {
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// append chars to char buffer
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if (elementType != null)
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charBuffer.append (ch, start, length);
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/**
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*
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*
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* @param ch ...
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* @param start ...
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* @param length ...
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*
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* @throws SAXException ...
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*/
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public void characters(char[] ch, int start, int length)
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throws SAXException {
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// append chars to char buffer
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if (elementType != null) {
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charBuffer.append(ch, start, length);
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}
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}
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/**
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*
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*
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* @param namespaceURI ...
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* @param localName ...
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* @param qName ...
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*
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* @throws SAXException ...
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*/
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public void endElement(String namespaceURI, String localName, String qName)
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throws SAXException {
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if (elementType != null) {
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Property prop = new Property (elementName, currentNode);
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String charValue = charBuffer.toString ();
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charBuffer.setLength (0);
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if ( "boolean".equals (elementType) ) {
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if ( "true".equals(charValue) ) {
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prop.setBooleanValue(true);
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} else {
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prop.setBooleanValue(false);
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}
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} else if ( "date".equals(elementType) ) {
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SimpleDateFormat format = new SimpleDateFormat ( DATEFORMAT );
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try {
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Date date = format.parse(charValue);
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prop.setDateValue (date);
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} catch ( ParseException e ) {
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prop.setStringValue (charValue);
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}
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} else if ( "float".equals(elementType) ) {
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prop.setFloatValue ((new Double(charValue)).doubleValue());
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} else if ( "integer".equals(elementType) ) {
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prop.setIntegerValue ((new Long(charValue)).longValue());
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} else {
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prop.setStringValue (charValue);
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}
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if (propMap == null) {
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propMap = new Hashtable ();
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currentNode.setPropMap (propMap);
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}
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propMap.put (elementName.toLowerCase(), prop);
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elementName = null;
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elementType = null;
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charValue = null;
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}
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}
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throws SAXException {
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if (elementType != null) {
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Property prop = new Property(elementName, currentNode);
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String charValue = charBuffer.toString();
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charBuffer.setLength(0);
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if ("boolean".equals(elementType)) {
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if ("true".equals(charValue)) {
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prop.setBooleanValue(true);
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} else {
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prop.setBooleanValue(false);
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}
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} else if ("date".equals(elementType)) {
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SimpleDateFormat format = new SimpleDateFormat(DATEFORMAT);
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try {
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Date date = format.parse(charValue);
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prop.setDateValue(date);
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} catch (ParseException e) {
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prop.setStringValue(charValue);
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}
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} else if ("float".equals(elementType)) {
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prop.setFloatValue((new Double(charValue)).doubleValue());
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} else if ("integer".equals(elementType)) {
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prop.setIntegerValue((new Long(charValue)).longValue());
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} else {
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prop.setStringValue(charValue);
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}
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if (propMap == null) {
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propMap = new Hashtable();
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currentNode.setPropMap(propMap);
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}
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propMap.put(elementName.toLowerCase(), prop);
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elementName = null;
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elementType = null;
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charValue = null;
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}
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}
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// create a node handle from a node reference DOM element
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private NodeHandle makeNodeHandle (Attributes atts) {
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String idref = atts.getValue ("idref");
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String protoref = atts.getValue ("prototyperef");
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DbMapping dbmap = null;
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if (protoref != null)
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dbmap = nmgr.getDbMapping(protoref);
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return new NodeHandle (new DbKey (dbmap, idref));
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private NodeHandle makeNodeHandle(Attributes atts) {
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String idref = atts.getValue("idref");
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String protoref = atts.getValue("prototyperef");
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DbMapping dbmap = null;
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if (protoref != null) {
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dbmap = nmgr.getDbMapping(protoref);
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}
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return new NodeHandle(new DbKey(dbmap, idref));
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}
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}
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