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de.uniks.networkparser.graph.GraphTokener Maven / Gradle / Ivy

package de.uniks.networkparser.graph;

/*
NetworkParser
The MIT License
Copyright (c) 2010-2016 Stefan Lindel https://github.com/fujaba/NetworkParser/

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
import java.util.Collection;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map.Entry;

import de.uniks.networkparser.Filter;
import de.uniks.networkparser.IdMap;
import de.uniks.networkparser.MapEntity;
import de.uniks.networkparser.buffer.Tokener;
import de.uniks.networkparser.converter.GraphConverter;
import de.uniks.networkparser.interfaces.SendableEntityCreator;
import de.uniks.networkparser.json.JsonArray;
import de.uniks.networkparser.list.SimpleKeyValueList;
/**
 * The Class YUMLIdParser.
 */

public class GraphTokener extends Tokener {
	/** The Constant for CLASS Diagramms. */
	public static final String CLASS = "classdiagram";

	public static final byte FLAG_CLASS = 0x01;
//	public static final byte FLAG_OBJECT = 0x01;
	public static final byte FLAG_CARDINALITY = 0x02;
	public static final byte FLAG_SHOWLINE = 0x04;
	public static final byte FLAG_ORDERD = 0x08;
	public static final byte FLAG_UNORDERD = 0x00;

	/** The Constant for OBJECT Diagramms. */
	public static final String OBJECT = "objectdiagram";

	private String getType(MapEntity map) {
		if(map.isTokenerFlag(FLAG_CLASS) ){
			return CLASS;
		}
		return OBJECT;
	}

	@Override
	public GraphList encode(Object object, MapEntity map) {
		GraphList newElement = new GraphList();

		newElement.withType(getType(map));
		Clazz main = parse(object, map, newElement, 0);
		GraphDiff diff = newElement.getDiff();
		if(diff != null) {
			diff.withMain(main);
		}
		return newElement;
	}

	/**
	 * Parses the.
	 *
	 * @param object			the object to Serialisation
	 * @param map				Runtime information OBJECT OR A CLASS diagram
	 * @param list				Target List
	 * @param deep				The Current Deep of Graph
	 * @return the Object as String
	 */
	private Clazz parse(Object object, MapEntity map,
			GraphList list, int deep) {
		if (object == null) {
			return null;
		}

		String mainKey = getId(object);
		GraphMember element = list.getByObject(mainKey, true);
		if (element != null && element instanceof Clazz) {
			return (Clazz)element;
		}

		SendableEntityCreator prototyp = getCreatorClass(object);
		String className = object.getClass().getName();
		className = className.substring(className.lastIndexOf('.') + 1);

		Clazz newElement = new Clazz(className);
		newElement.withId(mainKey);
		list.with(newElement);
		if (prototyp != null) {
			for (String property : prototyp.getProperties()) {
				Object value = prototyp.getValue(object, property);
				if (value == null) {
					continue;
				}
				if (value instanceof Collection) {
					for (Object containee : ((Collection) value)) {
						parsePropertyValue(object, map, list, deep, newElement,
								property, containee, Cardinality.MANY);
					}
				} else {
					parsePropertyValue(object, map, list, deep, newElement,
							property, value, Cardinality.ONE);
				}
			}
		}
		return newElement;
	}

	private void parsePropertyValue(Object entity, MapEntity map,
			GraphList list, int deep, Clazz element, String property,
			Object item, Cardinality cardinality) {
		if (item == null) {
			return;
		}
		map.pushStack(entity.getClass().getName(), entity, null);
		Filter filter = map.getFilter();
		if(filter.convert(entity, property, item, map.getMap(), map.getDeep()) < 1) {
			map.popStack();
			return;
		}
		SendableEntityCreator valueCreater = getCreatorClass(item);
		if (valueCreater != null) {
			Clazz subId = parse(item, map, list, deep + 1);
			Association edge = new Association(element);
			Association target = new Association(subId).with(cardinality).with(property);
			// Full Assoc
			edge.with(target);
			// Add to Clazzes
			element.with(edge);
			subId.with(target);
			
			// Add to List
			list.with(edge);
		} else {
			Attribute attribute = element.createAttribute(property, DataType.create(item.getClass()));
			attribute.withValue("" + item);
		}
		map.popStack();
		return;
	}

	public void highlightModel(JsonArray clazzDiagram, GraphList objectDiagram) {
		GraphList list = new GraphConverter().convertGraphList(GraphTokener.CLASS, clazzDiagram);
		this.highlightModel(list, objectDiagram);
	}
	public GraphList highlightModel(GraphList clazzDiagram, GraphList objectDiagram) {
		HashMap edges = new HashMap();
		HashMap clazzes = new HashMap();

		// Copy all Nodes
		for(Iterator i = clazzDiagram.getChildren().iterator();i.hasNext();) {
			Clazz item = (Clazz) i.next();
			clazzes.put(item.getName(false), item);
		}
		// Copy all Edges
		for(Iterator i = clazzDiagram.getAssociations().iterator();i.hasNext();) {
			Association item = i.next();
			Clazz node = (Clazz) item.getClazz();
			edges.put(node.getName(false)+":"+item.getName(), item);
		}

		// Check all Clazzes of the objectdiagram
		for(Iterator i = objectDiagram.getChildren().iterator();i.hasNext();) {
			Clazz item = (Clazz) i.next();
			Clazz graphClazz = clazzes.get(item.getName(false));
			if(graphClazz != null) {
				GraphDiff diff = graphClazz.getDiff();
				diff.addCounter();
			}
		}
		// Copy all Edges
		for(Iterator i = objectDiagram.getAssociations().iterator();i.hasNext();) {
			Association item = i.next();
			Clazz node = (Clazz) item.getClazz();
			String signature = node.getName(false)+":"+item.getName();
			Association graphEdge = edges.get(signature);
			if(graphEdge != null) {
				GraphDiff diff = graphEdge.getDiff();
				diff.addCounter();
			}
		}
		return clazzDiagram;
	}

	public GraphPatternMatch diffModel(Object master, Object slave, MapEntity map) {
		if(map.add(master) == false) {
			return null;
		}
		GraphPatternMatch result = new GraphPatternMatch();
		if(master == null) {
			if(slave == null) {
				return result;
			}
			result.with(GraphPatternChange.createCreate(slave));
			return result;
		}
		if(master.equals(slave)) {
			return result;
		}
		if(slave == null) {
			result.with(GraphPatternChange.createDelete(master));
			return result;
		}

		SendableEntityCreator masterCreator = this.map.getCreatorClass(master);
		SendableEntityCreator slaveCreator = this.map.getCreatorClass(slave);

		if(masterCreator == null || slaveCreator == null) {
			result.with(GraphPatternChange.createChange(master, slave));
			// No Creator Found for both value check if th same instance
			return result;
		}
		String[] properties = masterCreator.getProperties();

// Check properties
// Step one use equals-Method
		SimpleKeyValueList> assocMany = new SimpleKeyValueList>();
		SimpleKeyValueList attributes = new SimpleKeyValueList();
		for(String property : properties) {
			Object masterValue = masterCreator.getValue(master, property);
			if(masterValue instanceof Collection) {
				assocMany.add(property, (Collection)masterValue);
			} else {
				attributes.add(property, masterValue);
			}
		}
		SimpleKeyValueList matchMap=new SimpleKeyValueList();
		if(map.isFlag(GraphTokener.FLAG_ORDERD)) {
// Step two: orderd
//				Primitive
//				Assoc to 1
//				Assoc to n
			for(Iterator> i = attributes.iterator();i.hasNext();){
				Entry item = i.next();
				Object value = item.getValue();
				Object slaveValue = slaveCreator.getValue(slave, item.getKey());
				if(value == null) {
					if(slaveValue == null) {
						continue;
					}
					if(slaveValue instanceof Collection) {
						Collection child = (Collection) slaveValue;
						GraphPatternMatch match = GraphPatternMatch.create(item.getKey(), slaveValue);
						for(Iterator childIterator = child.iterator();childIterator.hasNext();) {
							match.with(GraphPatternChange.createCreate(childIterator.next()));
						}
						if(match.size()>0) {
							result.with(match);
						}
					} else {
						result.with(GraphPatternChange.createCreate(item.getKey(), slaveValue));
					}
					continue;
				}
				if(value instanceof String || value instanceof Date || value instanceof Number) {
					if(value.equals(slaveValue) == false) {
						result.with(GraphPatternChange.createChange(item.getKey(), value, slaveValue));
					}
				} else {
					matchMap.add(value, slaveValue);
					if(this.map.getCreatorClass(value) != null ) {
						result.with(diffModel(value, slaveValue, map));
					} else if(value.equals(slaveValue) == false) {
						result.with(GraphPatternChange.createChange(item.getKey(), value, slaveValue));
					}
				}
			}
			// Now try to Many Assoc
			for(Iterator>> i = assocMany.iterator();i.hasNext();){
				Entry> item = i.next(); 
				Collection masterCollection = item.getValue();
				GraphPatternMatch match = GraphPatternMatch.create(item.getKey(), masterCollection);
				Object slaveValue = slaveCreator.getValue(slave, item.getKey());
				if(slaveValue == null || slaveValue instanceof Collection == false) {
					if(masterCollection.size()>0) {
						for(Iterator childIterator = masterCollection.iterator();childIterator.hasNext();) {
							match.with(GraphPatternChange.createDelete(childIterator.next()));
						}
						result.with(match);
					}
					continue;
				}
				Iterator masterIterator = masterCollection.iterator();
				Iterator slaveIterator = ((Collection)slaveValue).iterator();
				while(masterIterator.hasNext()) {
					Object masterChild = masterIterator.next();
					if(slaveIterator.hasNext()) {
						Object slaveChild = slaveIterator.next();
						match.with(diffModel(masterChild, slaveChild, map));
					} else {
						match.with(GraphPatternChange.createDelete(masterChild));
					}
				}
				while(slaveIterator.hasNext()) {
					match.with(GraphPatternChange.createCreate(slaveIterator.next()));
				}
				if(match.size()>0) {
					result.with(match);
				}
			}
		} else {
// Step two: unorderd
//				Assoc to n
//				Assoc to 1
//				Primitive ( try to find keyattributes use order: String, Date, Int, Object)
//			for(String property : properties) {
//				//TODO IMplementation of Unordered Model
//				Object masterValue = masterCreator.getValue(master, property);
//				Object slaveValue = slaveCreator.getValue(slave, property);
//				diffModel(value, slaveValue, map)
//			}
		}
		return result;
	}

	@Override
	public GraphTokener withMap(IdMap map) {
		super.withMap(map);
		return this;
	}
}




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