| /******************************************************************************* |
| * Copyright (c) 2004, 2008 Tasktop Technologies and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Tasktop Technologies - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.mylyn.internal.examples.xml.core; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.net.MalformedURLException; |
| import java.util.Date; |
| import java.util.Set; |
| import java.util.regex.Matcher; |
| |
| import javax.xml.parsers.DocumentBuilder; |
| import javax.xml.parsers.DocumentBuilderFactory; |
| import javax.xml.transform.Transformer; |
| import javax.xml.transform.TransformerFactory; |
| import javax.xml.transform.dom.DOMSource; |
| import javax.xml.transform.stream.StreamResult; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.mylyn.tasks.core.ITaskMapping; |
| import org.eclipse.mylyn.tasks.core.RepositoryResponse; |
| import org.eclipse.mylyn.tasks.core.TaskRepository; |
| import org.eclipse.mylyn.tasks.core.RepositoryResponse.ResponseKind; |
| import org.eclipse.mylyn.tasks.core.data.AbstractTaskDataHandler; |
| import org.eclipse.mylyn.tasks.core.data.TaskAttribute; |
| import org.eclipse.mylyn.tasks.core.data.TaskAttributeMapper; |
| import org.eclipse.mylyn.tasks.core.data.TaskData; |
| import org.eclipse.osgi.util.NLS; |
| import org.w3c.dom.Document; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.NodeList; |
| |
| public class XmlTaskDataHandler extends AbstractTaskDataHandler { |
| |
| private final XmlConnector connector; |
| |
| public XmlTaskDataHandler(XmlConnector connector) { |
| this.connector = connector; |
| } |
| |
| @Override |
| public TaskAttributeMapper getAttributeMapper(TaskRepository repository) { |
| return new TaskAttributeMapper(repository); |
| } |
| |
| @Override |
| public boolean initializeTaskData(TaskRepository repository, TaskData taskData, ITaskMapping initializationData, |
| IProgressMonitor monitor) throws CoreException { |
| XmlClient client = connector.getClient(repository); |
| XmlConfiguration configuration = client.getConfiguration(monitor); |
| |
| TaskAttribute attribute = taskData.getRoot().createAttribute(TaskAttribute.SUMMARY); |
| attribute.getMetaData().setReadOnly(false).setType(TaskAttribute.TYPE_SHORT_RICH_TEXT).setLabel("Summary:"); |
| |
| attribute = taskData.getRoot().createAttribute(TaskAttribute.DESCRIPTION); |
| attribute.getMetaData().setReadOnly(false).setType(TaskAttribute.TYPE_LONG_RICH_TEXT).setLabel("Description:"); |
| |
| attribute = taskData.getRoot().createAttribute(TaskAttribute.DATE_MODIFICATION); |
| attribute.getMetaData().setReadOnly(false).setType(TaskAttribute.TYPE_DATETIME).setLabel("Modified:"); |
| |
| if (!taskData.isNew()) { |
| attribute = taskData.getRoot().createAttribute(TaskAttribute.TASK_URL); |
| attribute.getMetaData().setReadOnly(true).setKind(TaskAttribute.KIND_DEFAULT).setType( |
| TaskAttribute.TYPE_URL).setLabel("Location:"); |
| File file = client.getTask(taskData.getTaskId(), monitor); |
| try { |
| attribute.setValue(file.toURI().toURL().toString()); |
| } catch (MalformedURLException e) { |
| } |
| } |
| |
| attribute = taskData.getRoot().createAttribute(TaskAttribute.PRODUCT); |
| attribute.getMetaData().setReadOnly(false).setKind(TaskAttribute.KIND_DEFAULT).setType( |
| TaskAttribute.TYPE_SINGLE_SELECT).setLabel("Project"); |
| for (String project : configuration.getProjects()) { |
| attribute.putOption(project, project); |
| } |
| |
| return true; |
| } |
| |
| @Override |
| public RepositoryResponse postTaskData(TaskRepository repository, TaskData taskData, |
| Set<TaskAttribute> oldAttributes, IProgressMonitor monitor) throws CoreException { |
| XmlClient client = connector.getClient(repository); |
| String taskId = getTaskId(taskData, client); |
| File file = client.getTask(taskId, monitor); |
| |
| writeTaskData(repository, file, taskData, monitor); |
| |
| if (taskData.isNew()) { |
| return new RepositoryResponse(ResponseKind.TASK_CREATED, taskId); |
| } else { |
| return new RepositoryResponse(ResponseKind.TASK_UPDATED, taskId); |
| } |
| } |
| |
| private String getTaskId(TaskData taskData, XmlClient client) throws CoreException { |
| if (taskData.isNew()) { |
| try { |
| return getTaskId(File.createTempFile("task", ".xml", client.getLocation())); |
| } catch (IOException e) { |
| throw new CoreException(new Status(IStatus.ERROR, XmlCorePlugin.ID_PLUGIN, NLS.bind( |
| "Failed to create task at ''{0}''", client.getLocation().getAbsolutePath()), e)); |
| } |
| } else { |
| return taskData.getTaskId(); |
| } |
| } |
| |
| public void writeTaskData(TaskRepository repository, File file, TaskData taskData, IProgressMonitor monitor) |
| throws CoreException { |
| try { |
| DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); |
| DocumentBuilder loader = factory.newDocumentBuilder(); |
| Document document; |
| if (taskData.isNew()) { |
| document = loader.newDocument(); |
| document.appendChild(document.createElement("task")); |
| } else { |
| document = loader.parse(file); |
| } |
| |
| updateDocument(repository, file, document, document.getDocumentElement(), taskData, monitor); |
| |
| TransformerFactory transformerFactory = TransformerFactory.newInstance(); |
| Transformer transformer = transformerFactory.newTransformer(); |
| transformer.transform(new DOMSource(document), new StreamResult(file)); |
| } catch (Exception e) { |
| //e.printStackTrace(); |
| throw new CoreException(new Status(IStatus.ERROR, XmlCorePlugin.ID_PLUGIN, NLS.bind( |
| "Error parsing task ''{0}''", file.getAbsolutePath()), e)); |
| } |
| } |
| |
| public TaskData readTaskData(TaskRepository repository, File file, IProgressMonitor monitor) throws CoreException { |
| try { |
| DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); |
| DocumentBuilder loader = factory.newDocumentBuilder(); |
| Document document = loader.parse(file); |
| TaskData taskData = parseDocument(repository, file, document.getDocumentElement(), monitor); |
| return taskData; |
| } catch (Exception e) { |
| //e.printStackTrace(); |
| throw new CoreException(new Status(IStatus.ERROR, XmlCorePlugin.ID_PLUGIN, NLS.bind( |
| "Error parsing task {0}", file.getAbsolutePath()), e)); |
| } |
| } |
| |
| private TaskData parseDocument(TaskRepository repository, File file, Element input, IProgressMonitor monitor) |
| throws CoreException { |
| String taskId = getTaskId(file); |
| TaskData taskData = new TaskData(getAttributeMapper(repository), repository.getConnectorKind(), |
| repository.getRepositoryUrl(), taskId); |
| initializeTaskData(repository, taskData, null, monitor); |
| |
| TaskAttribute attribute = taskData.getRoot().getAttribute(TaskAttribute.SUMMARY); |
| attribute.setValue(getValue(input, "summary")); |
| |
| attribute = taskData.getRoot().getAttribute(TaskAttribute.DESCRIPTION); |
| attribute.setValue(getValue(input, "description")); |
| |
| attribute = taskData.getRoot().getAttribute(TaskAttribute.DATE_MODIFICATION); |
| taskData.getAttributeMapper().setDateValue(attribute, new Date(file.lastModified())); |
| |
| attribute = taskData.getRoot().getAttribute(TaskAttribute.PRODUCT); |
| attribute.setValue(getValue(input, "project")); |
| |
| return taskData; |
| } |
| |
| private void updateDocument(TaskRepository repository, File file, Document document, Element input, |
| TaskData taskData, IProgressMonitor monitor) throws CoreException { |
| TaskAttribute attribute = taskData.getRoot().getAttribute(TaskAttribute.SUMMARY); |
| setValue(document, input, "summary", attribute.getValue()); |
| |
| attribute = taskData.getRoot().getAttribute(TaskAttribute.DESCRIPTION); |
| setValue(document, input, "description", attribute.getValue()); |
| |
| attribute = taskData.getRoot().getAttribute(TaskAttribute.PRODUCT); |
| setValue(document, input, "project", attribute.getValue()); |
| } |
| |
| private String getValue(Element input, String elementName) { |
| NodeList nodes = input.getElementsByTagName(elementName); |
| if (nodes.getLength() > 0) { |
| return nodes.item(0).getTextContent(); |
| } |
| return ""; |
| } |
| |
| private void setValue(Document document, Element input, String elementName, String value) { |
| NodeList nodes = input.getElementsByTagName(elementName); |
| if (nodes.getLength() > 0) { |
| nodes.item(0).setTextContent(value); |
| } else { |
| Element element = document.createElement(elementName); |
| element.setTextContent(value); |
| input.appendChild(element); |
| } |
| } |
| |
| private String getTaskId(File file) { |
| Matcher matcher = XmlClient.ID_PATTERN.matcher(file.getName()); |
| if (matcher.find()) { |
| return matcher.group(1); |
| } |
| return file.getName(); |
| } |
| |
| } |