/** *   Copyright 2004 Carlos Silva A. *  *   Licensed under the Apache License, Version 2.0 (the "License"); *   you may not use this file except in compliance with the License.  *   You may obtain a copy of the License at   *  *   http://www.apache.org/licenses/LICENSE-2.0 *  *   Unless required by applicable law or agreed to in writing, software *   distributed under the License is distributed on an "AS IS" BASIS, *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *   See the License for the specific language governing permissions and *   limitations under the License. *  */package jgantt.model;import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.text.ParseException;import java.util.Date;import java.util.zip.ZipEntry;import java.util.zip.ZipFile;import java.util.zip.ZipOutputStream;import org.xml.sax.SAXException;import com.csa.lib.xml.dom.DocumentWriter;import com.csa.lib.xml.dom.Node;/** * IOManager administra la lectura/escritura de proyectos en archivo. *  * <p>$Date: 2004/04/25 05:53:20 $</p>  * @version $Revision: 1.7 $ * @author Carlos Silva */public class IOManager {	public static final String XML_PROJECT = "project.xml";	public static final String XML_GRAPH = "graph.xml";	public static final String XML_VIEWOPTIONS = "viewoptions.xml";	public static final String XML_TREEOPTIONS = "treeoptions.xml";	public static final String STD_FILE_EXT = ".lgantt";	public static final String SEC_FILE_EXT = ".xml";		public static Project createEmptyProject(){		DateOrganizer dateOrg= new DateOrganizer();		Project project = new Project(dateOrg);		project.setName("New Project");		project.setDateOrganizer(dateOrg);				project.setStartDate(dateOrg.getNormalizedStartDate(new Date()));		project.clearUndoRedo();		return project;				}		/**	 * graba el contenido en un archivo.	 * Si el archivo tiene extension .lgantt genera un archivo comprimido.	 * Finalmente elimina el indicador de dirty.	 * 	 * @param f	 * @throws IOException	 * @throws ParserConfigurationException	 */	public static void saveAs(Project p, File f) throws IOException{				if (f.getName().endsWith(STD_FILE_EXT))			saveAsZip(p,f);		else 			saveAsXML(p,f);		p.clearUndoRedo();	}			/**	 * Graba un archivo XML con solo el contenido del proyecto.	 * @param f	 * @throws IOException	 * @throws ParserConfigurationException	 */	public static void saveAsXML(Project p, File f) throws IOException{		FileOutputStream out = new FileOutputStream(f);		serialize(p,out);		out.close();			}		/**	 * Graba un archivo XML con el contenido del proyecto las definiciones graficas 	 * y las opciones de visualizacion.	 * @param f	 * @throws IOException	 * @throws ParserConfigurationException	 */	public static void saveAsZip(Project p,File f) throws IOException {			FileOutputStream fos = new FileOutputStream(f);			ZipOutputStream zos = new ZipOutputStream(fos);							zos.putNextEntry(new ZipEntry(XML_PROJECT));			serialize(p,zos);					zos.putNextEntry(new ZipEntry(XML_GRAPH));						serialize(p.getGraphColors(), zos);						zos.putNextEntry(new ZipEntry(XML_VIEWOPTIONS));			serialize(p.getViewOptions(), zos);						zos.putNextEntry(new ZipEntry(XML_TREEOPTIONS));			serialize(p.getTreeColors(), zos);						zos.close();		}	/**	 * Carga un archivo de proyecto	 * Si el archivo tiene extension .lgantt lo carga como un archivo comprimido.	 * @param f	 * @return	 * @throws ParseException	 * @throws GanttException	 * @throws FileNotFoundException	 * @throws ParserConfigurationException	 * @throws SAXException	 * @throws IOException	 */	public static Project loadFrom(File f) throws ParseException, GanttException, FileNotFoundException, SAXException, IOException {			//return loadFromDbForTest();		System.out.println("Project loadFrom==="+f.getAbsolutePath()+f.getName());			if (f.getName().endsWith(STD_FILE_EXT))				return loadFromZip(f);							return loadFromXML(f);	}		/**	 * Carga un archivo desde un xml	 * @param f	 * @return	 * @throws ParseException	 * @throws GanttException	 * @throws FileNotFoundException	 * @throws ParserConfigurationException	 * @throws SAXException	 * @throws IOException	 */			public static Project loadFromXML(File f) throws ParseException, GanttException, FileNotFoundException, SAXException, IOException{		Node doc = XMLModel.readDocument(new FileInputStream(f));		return XMLModel.readProject(doc);	}		public static Project loadFromDbForTest() throws ParseException, GanttException,SAXException{		Node mainNode = new Node("DOCMENT");		Node childNode = new Node("project");		childNode = AddProjectChild(childNode);		mainNode.appendChild(childNode);				return XMLModel.readProject(mainNode);	}	public static Node AddProjectChild(Node project) throws ParseException, GanttException,SAXException{		//name		project.appendChild(new Node("name","LGanttProject示例2006-05-07"));		//start-date		project.appendChild(new Node("start-date","2006-05-01"));		//		Node dateorganizer = new Node("date-organizer");		dateorganizer.appendChild(new Node("day-start","9:0"));		dateorganizer.appendChild(new Node("work-hours","8:0"));		dateorganizer.appendChild(new Node("work-hours","8:0"));		//labor-days		Node labordays = new Node("labor-days");		labordays.appendChild(new Node("monday"));		labordays.appendChild(new Node("tuesday"));		labordays.appendChild(new Node("wednesday"));		labordays.appendChild(new Node("thursday"));		labordays.appendChild(new Node("friday"));		dateorganizer.appendChild(labordays);				dateorganizer.appendChild(new Node("holidays"));		dateorganizer.appendChild(new Node("extra-days"));		project.appendChild(dateorganizer);		Node resource = null;		Node effect = null;		for(int i=1;i<6;i++){			resource = new Node("resource");			resource.appendChild("id",Integer.toString(i));			resource.appendChild("name","id"+Integer.toString(i));			resource.appendChild("alias","name"+Integer.toString(i));			resource.appendChild("initials","initials"+Integer.toString(i));			effect = new Node("effect");			effect.appendChild(new Node("total",Integer.toString(i*10)));			effect.appendChild(new Node("worked","0"));			resource.appendChild(effect);						project.appendChild(resource);		}		Node task = new Node("task");		task.appendChild(new Node("id","0"));		task.appendChild(new Node("name","MainTask"));		task.appendChild(new Node("length","128"));		task.appendChild(new Node("completed","0"));		task.appendChild(new Node("comments","MainTask"));		task.appendChild(new Node("notes","MainTask"));			task = AddTaskChildForTest(task);				project.appendChild(task);		//project.appendChild(project);		return project;			}	public static Node AddTaskChildForTest(Node mainTask) throws ParseException, GanttException,SAXException{		Node task = null;		task = new Node("task");		task.appendChild("id","1");		task.appendChild("name","任務(wù)1");		task.appendChild("length","35");		task.appendChild("completed","0");		task.appendChild("comments","任務(wù)1");		task.appendChild("notes","任務(wù)1");		mainTask.appendChild(task);		System.out.println("======");		return mainTask;		//name					}	/**	 * Carga un proyecto desde un archivo comprimido.	 * El archivo debe llamarse project.xml.	 * @param f	 * @return	 * @throws ParseException	 * @throws GanttException	 * @throws FileNotFoundException	 * @throws ParserConfigurationException	 * @throws SAXException	 * @throws IOException	 */		public static Project loadFromZip(File f) throws ParseException, GanttException, FileNotFoundException, SAXException, IOException{		ZipFile zf = new ZipFile(f);		ZipEntry ze = zf.getEntry(XML_PROJECT);				InputStream is = zf.getInputStream(ze);				Node prjXML = XMLModel.readDocument(is);		Project prj = XMLModel.readProject(prjXML);		is.close();						ze = zf.getEntry(XML_GRAPH);		if (ze!=null) {			is = zf.getInputStream(ze);									prj.graphColors = loadGraphColors(is);						is.close();		}		ze = zf.getEntry(XML_VIEWOPTIONS);		if (ze!=null) {			is = zf.getInputStream(ze);								Node  graphXML = XMLModel.readDocument(is);			ViewOptions vo = prj.getViewOptions();				XMLModel.readViewOptions(vo, graphXML);			vo.recalc();  						is.close();		}		ze = zf.getEntry(XML_TREEOPTIONS);		if (ze!=null) {			is = zf.getInputStream(ze);								Node  graphXML = XMLModel.readDocument(is);			TaskTreeOptions ttc = prj.getTreeColors();				XMLModel.readTaskTreeColors(ttc, graphXML);						is.close();		}						zf.close();								return prj;	} 					public static GraphColors loadGraphColors(InputStream is) throws SAXException, IOException, ParseException, GanttException{		Node graphXML = XMLModel.readDocument(is);			return XMLModel.readGraphColors(graphXML); 		}						/**	 * Escribir la estructura del proyecto en xml	 * @param out	 * @throws IOException	 * @throws ParserConfigurationException	 */	static void serialize(Project p, OutputStream out)throws IOException{		DocumentWriter dw = new DocumentWriter(p.toXMLElement());		dw.write(out);	}			/**	 * Escribir el formato grafico en xml	 * @param out	 * @throws IOException	 * @throws ParserConfigurationException	 */	public static void serialize(GraphColors gc, OutputStream out)throws IOException{		DocumentWriter dw = new DocumentWriter(XMLModel.toXML(gc));		dw.write(out);							}	/**	 * Escribir las opciones de visualizacion en xml	 * @param out	 * @throws IOException	 * @throws ParserConfigurationException	 */	static void serialize(ViewOptionsData vo, OutputStream out)throws IOException{		DocumentWriter dw = new DocumentWriter(XMLModel.toXML(vo));		dw.write(out);	}		/**	 * Escribir las opciones de visualizacion en xml	 * @param out	 * @throws IOException	 * @throws ParserConfigurationException	 */	static void serialize(TaskTreeOptions ttc, OutputStream out)throws IOException{		DocumentWriter dw = new DocumentWriter(XMLModel.toXML(ttc));		dw.write(out);	}}