BasicDiagramBuilder.java

/*******************************************************************************
 * Signavio Core Components
 * Copyright (C) 2012  Signavio GmbH
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package org.oryxeditor.server.diagram.basic;

import org.json.JSONException;
import org.json.JSONObject;
import org.oryxeditor.server.diagram.generic.GenericDiagramBuilder;

/**
 * Simple extension of {@link GenericDiagramBuilder} to allow for easier usage without having to use generics.
 * 
 * @author Philipp Maschke
 *
 */
public class BasicDiagramBuilder extends GenericDiagramBuilder<BasicShape, BasicDiagram, BasicEdge, BasicNode> {

	/**
	 * Parse the json string to the diagram model, assumes that the json is hierarchical ordered
	 * 
	 * @param json
	 *            hierarchical JSON string representing a diagram
	 * @return a diagram object with all shapes as defined in json
	 * @throws JSONException
	 *             if the JSON string could not be parsed correctly
	 */
	public static BasicDiagram parseJson(String json) throws JSONException{
		if (json == null)
			return null;
		else
			return BasicDiagramBuilder.parseJson(new JSONObject(json));
	}
	
	
	/**
	 * Parse the json string to the diagram model, assumes that the json is hierarchical ordered
	 * 
	 * @param json
	 *            hierarchical JSON string representing a diagram
	 * @return a diagram object with all shapes as defined in json
	 * @throws JSONException
	 *             if the JSON string could not be parsed correctly
	 */
	public static BasicDiagram parseJson(JSONObject json) throws JSONException{
		return (new BasicDiagramBuilder()).parse(json);
	}
	
	/**
	 * Parses the namespace of the stencilset only
	 * 
	 * @param json
	 *            JSON string representing a diagram
	 * @return namespace of the diagram's stencilset
	 * @throws JSONException
	 */
	public static String parseStencilsetNamespace(JSONObject json) throws JSONException{
		return (new BasicDiagramBuilder()).parseStencilsetNamespaceInternal(json);
	}


	@Override
	public BasicNode createNewNode(String resourceId) {
		return new BasicNode(resourceId);
	}


	@Override
	public BasicEdge createNewEdge(String resourceId) {
		return new BasicEdge(resourceId);
	}


	@Override
	public BasicDiagram createNewDiagram(String resourceId) {
		return new BasicDiagram(resourceId);
	}
}