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/*******************************************************************************
* Copyright (c) 2004 - 2006 University Of British Columbia 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:
* University Of British Columbia - initial API and implementation
*******************************************************************************/
package org.eclipse.mylar.internal.bugzilla.ui.tasklist;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.eclipse.mylar.internal.bugzilla.core.BugzillaQueryHit;
import org.eclipse.mylar.internal.bugzilla.core.BugzillaRepositoryQuery;
import org.eclipse.mylar.internal.bugzilla.core.BugzillaTask;
import org.eclipse.mylar.tasks.core.AbstractRepositoryQuery;
import org.eclipse.mylar.tasks.core.AbstractRepositoryTask;
import org.eclipse.mylar.tasks.core.AbstractTaskContainer;
import org.eclipse.mylar.tasks.core.DelegatingTaskExternalizer;
import org.eclipse.mylar.tasks.core.ITask;
import org.eclipse.mylar.tasks.core.RepositoryTaskData;
import org.eclipse.mylar.tasks.core.TaskExternalizationException;
import org.eclipse.mylar.tasks.core.TaskList;
import org.eclipse.mylar.tasks.core.AbstractRepositoryTask.RepositoryTaskSyncState;
import org.eclipse.mylar.tasks.ui.TasksUiPlugin;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
/**
* @author Mik Kersten
*/
public class BugzillaTaskExternalizer extends DelegatingTaskExternalizer {
private static final String STATUS_RESO = "RESO";
private static final String STATUS_NEW = "NEW";
private static final String KEY_OLD_LAST_DATE = "LastDate";
private static final String TAG_BUGZILLA_QUERY_HIT = "Bugzilla" + KEY_QUERY_HIT;
private static final String TAG_BUGZILLA_QUERY = "Bugzilla" + KEY_QUERY;
private static final String TAG_BUGZILLA_CUSTOM_QUERY = "BugzillaCustom" + KEY_QUERY;
private static final String TAG_BUGZILLA_REPORT = "BugzillaReport";
@Override
public String getQueryTagNameForElement(AbstractRepositoryQuery query) {
if (query instanceof BugzillaRepositoryQuery) {
if (((BugzillaRepositoryQuery) query).isCustomQuery()) {
return TAG_BUGZILLA_CUSTOM_QUERY;
} else {
return TAG_BUGZILLA_QUERY;
}
}
return "";
}
@Override
public boolean canReadQuery(Node node) {
return node.getNodeName().equals(TAG_BUGZILLA_CUSTOM_QUERY) || node.getNodeName().equals(TAG_BUGZILLA_QUERY);
}
@Override
public AbstractRepositoryQuery readQuery(Node node, TaskList taskList) throws TaskExternalizationException {
boolean hasCaughtException = false;
Element element = (Element) node;
BugzillaRepositoryQuery query = new BugzillaRepositoryQuery(element.getAttribute(KEY_REPOSITORY_URL), element
.getAttribute(KEY_QUERY_STRING), element.getAttribute(KEY_NAME), element
.getAttribute(KEY_QUERY_MAX_HITS), taskList);
if (node.getNodeName().equals(TAG_BUGZILLA_CUSTOM_QUERY)) {
query.setCustomQuery(true);
}
if (element.getAttribute(KEY_LAST_REFRESH) != null && !element.getAttribute(KEY_LAST_REFRESH).equals("")) {
query.setLastRefreshTimeStamp(element.getAttribute(KEY_LAST_REFRESH));
}
NodeList list = node.getChildNodes();
for (int i = 0; i < list.getLength(); i++) {
Node child = list.item(i);
try {
readQueryHit(child, taskList, query);
} catch (TaskExternalizationException e) {
hasCaughtException = true;
}
}
if (hasCaughtException) {
throw new TaskExternalizationException("Failed to load all tasks");
} else {
return query;
}
}
@Override
public boolean canCreateElementFor(AbstractRepositoryQuery category) {
return category instanceof BugzillaRepositoryQuery;
}
@Override
public boolean canCreateElementFor(ITask task) {
return task instanceof BugzillaTask;
}
@Override
public boolean canReadTask(Node node) {
return node.getNodeName().equals(getTaskTagName());
}
@Override
public ITask readTask(Node node, TaskList taskList, AbstractTaskContainer category, ITask parent)
throws TaskExternalizationException {
Element element = (Element) node;
String handle;
String label;
if (element.hasAttribute(KEY_HANDLE)) {
handle = element.getAttribute(KEY_HANDLE);
} else {
throw new TaskExternalizationException("Handle not stored for bug report");
}
if (element.hasAttribute(KEY_LABEL)) {
label = element.getAttribute(KEY_LABEL);
} else {
throw new TaskExternalizationException("Description not stored for bug report");
}
BugzillaTask task = new BugzillaTask(handle, label, false);
super.readTaskInfo(task, taskList, element, parent, category);
if (!element.hasAttribute(KEY_LAST_MOD_DATE) || element.getAttribute(KEY_LAST_MOD_DATE).equals("")) {
// migrate to new time stamp 0.5.3 -> 0.6.0
try {
if (element.hasAttribute(KEY_OLD_LAST_DATE)) {
String DATE_FORMAT_2 = "yyyy-MM-dd HH:mm:ss";
SimpleDateFormat delta_ts_format = new SimpleDateFormat(DATE_FORMAT_2);
String oldDateStamp = "";
try {
oldDateStamp = delta_ts_format.format(new Date(
new Long(element.getAttribute(KEY_OLD_LAST_DATE)).longValue()));
task.setLastSyncDateStamp(oldDateStamp);
} catch (NumberFormatException e) {
// For those who may have been working from head...
Date parsedDate = delta_ts_format.parse(element.getAttribute(KEY_OLD_LAST_DATE));
if (parsedDate != null) {
oldDateStamp = element.getAttribute(KEY_OLD_LAST_DATE);
task.setLastSyncDateStamp(oldDateStamp);
}
}
}
} catch (Exception e) {
// invalid date format/parse
}
}
return task;
}
// TODO move to DelegatingTaskExternalizer
@Override
public void readTaskData(AbstractRepositoryTask task) {
RepositoryTaskData data = TasksUiPlugin.getDefault().getTaskDataManager().getTaskData(task.getHandleIdentifier());
task.setTaskData(data);
if (data != null && data.hasLocalChanges()) {
task.setSyncState(RepositoryTaskSyncState.OUTGOING);
}
}
@Override
public boolean canReadQueryHit(Node node) {
return node.getNodeName().equals(getQueryHitTagName());
}
@Override
public void readQueryHit(Node node, TaskList taskList, AbstractRepositoryQuery query)
throws TaskExternalizationException {
Element element = (Element) node;
String handle;
String status;
if (element.hasAttribute(KEY_HANDLE)) {
handle = element.getAttribute(KEY_HANDLE);
} else {
throw new TaskExternalizationException("Handle not stored for bug report");
}
status = STATUS_NEW;
if (element.hasAttribute(KEY_COMPLETE)) {
status = element.getAttribute(KEY_COMPLETE);
if (status.equals(VAL_TRUE)) {
status = STATUS_RESO;
}
}
BugzillaQueryHit hit = new BugzillaQueryHit(taskList, "", "", query.getRepositoryUrl(), AbstractRepositoryTask
.getTaskId(handle), null, status);
readQueryHitInfo(hit, taskList, query, element);
}
@Override
public String getTaskTagName() {
return TAG_BUGZILLA_REPORT;
}
@Override
public String getQueryHitTagName() {
return TAG_BUGZILLA_QUERY_HIT;
}
}
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