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package org.anjocaido.groupmanager;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.UnsupportedEncodingException;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.logging.Level;
import org.anjocaido.groupmanager.data.Group;
import org.anjocaido.groupmanager.events.GMGroupEvent;
import org.anjocaido.groupmanager.events.GroupManagerEventHandler;
import org.anjocaido.groupmanager.utils.PermissionCheckResult;
import org.anjocaido.groupmanager.utils.Tasks;
import org.bukkit.configuration.MemorySection;
import org.bukkit.configuration.file.YamlConfiguration;
import org.yaml.snakeyaml.DumperOptions;
import org.yaml.snakeyaml.Yaml;
/**
* @author ElgarL
*
*/
public class GlobalGroups {
private GroupManager plugin;
private YamlConfiguration GGroups;
private Map<String, Group> groups;
protected long timeStampGroups = 0;
protected boolean haveGroupsChanged = false;
protected File GlobalGroupsFile = null;
public GlobalGroups(GroupManager plugin) {
this.plugin = plugin;
load();
}
/**
* @return the haveGroupsChanged
*/
public boolean haveGroupsChanged() {
if (this.haveGroupsChanged) {
return true;
}
for (Group g : groups.values()) {
if (g.isChanged()) {
return true;
}
}
return false;
}
/**
* @return the timeStampGroups
*/
public long getTimeStampGroups() {
return timeStampGroups;
}
/**
* @param timeStampGroups the timeStampGroups to set
*/
protected void setTimeStampGroups(long timeStampGroups) {
this.timeStampGroups = timeStampGroups;
}
/**
* @param haveGroupsChanged
* the haveGroupsChanged to set
*/
public void setGroupsChanged(boolean haveGroupsChanged) {
this.haveGroupsChanged = haveGroupsChanged;
}
@SuppressWarnings("unchecked")
public void load() {
GGroups = new YamlConfiguration();
GroupManager.setLoaded(false);
// READ globalGroups FILE
if (GlobalGroupsFile == null)
GlobalGroupsFile = new File(plugin.getDataFolder(), "globalgroups.yml");
if (!GlobalGroupsFile.exists()) {
try {
// Create a new file if it doesn't exist.
Tasks.copy(plugin.getResourceAsStream("globalgroups.yml"), GlobalGroupsFile);
} catch (IOException ex) {
GroupManager.logger.log(Level.SEVERE, null, ex);
}
}
try {
GGroups.load(GlobalGroupsFile);
} catch (Exception ex) {
throw new IllegalArgumentException("The following file couldn't pass on Parser.\n" + GlobalGroupsFile.getPath(), ex);
}
// Clear out old groups
resetGlobalGroups();
if (!GGroups.getKeys(false).isEmpty()) {
// Read all global groups
Map<String, Object> allGroups = new HashMap<String, Object>();
try {
allGroups = (Map<String, Object>) GGroups.getConfigurationSection("groups").getValues(false);
} catch (Exception ex) {
// ex.printStackTrace();
throw new IllegalArgumentException("Your " + GlobalGroupsFile.getPath() + " file is invalid. See console for details.", ex);
}
// Load each groups permissions list.
if (allGroups != null) {
Iterator<String> groupItr = allGroups.keySet().iterator();
String groupName;
Integer groupCount = 0;
/*
* loop each group entry
* and read it's data.
*/
while (groupItr.hasNext()) {
try {
groupCount++;
// Attempt to fetch the next group name.
groupName = groupItr.next();
} catch (Exception ex) {
throw new IllegalArgumentException("Invalid group name for GlobalGroup entry (" + groupCount + ") in file: " + GlobalGroupsFile.getPath(), ex);
}
/*
* Create a new group with this name.
*/
Group newGroup = new Group(groupName.toLowerCase());
Object element;
// Permission nodes
element = GGroups.get("groups." + groupName + ".permissions");
if (element != null)
if (element instanceof List) {
try {
for (String node : (List<String>) element) {
if ((node != null) && !node.isEmpty())
newGroup.addPermission(node);
}
} catch (ClassCastException ex) {
throw new IllegalArgumentException("Invalid permission node for global group: " + groupName, ex);
}
} else if (element instanceof String) {
if ((element != null) && !((String)element).isEmpty())
newGroup.addPermission((String) element);
} else
throw new IllegalArgumentException("Unknown type of permission node for global group: " + groupName);
// Info nodes
element = GGroups.get("groups." + groupName + ".info");
if (element != null)
if (element instanceof MemorySection) {
Map<String, Object> vars = new HashMap<String, Object>();
for (String key : ((MemorySection) element).getKeys(false)) {
vars.put(key, ((MemorySection) element).get(key));
}
newGroup.setVariables(vars);
} else
throw new IllegalArgumentException("Unknown type of info node for global group: " + groupName);
// Push a new group
addGroup(newGroup);
}
}
removeGroupsChangedFlag();
}
setTimeStampGroups(GlobalGroupsFile.lastModified());
GroupManager.setLoaded(true);
// GlobalGroupsFile = null;
}
/**
* Write the globalgroups.yml file
*/
public void writeGroups(boolean overwrite) {
// File GlobalGroupsFile = new File(plugin.getDataFolder(), "globalgroups.yml");
if (haveGroupsChanged()) {
if (overwrite || (!overwrite && (getTimeStampGroups() >= GlobalGroupsFile.lastModified()))) {
Map<String, Object> root = new HashMap<String, Object>();
Map<String, Object> groupsMap = new HashMap<String, Object>();
root.put("groups", groupsMap);
for (String groupKey : groups.keySet()) {
Group group = groups.get(groupKey);
// Group header
Map<String, Object> aGroupMap = new HashMap<String, Object>();
groupsMap.put(group.getName(), aGroupMap);
// Info nodes
Map<String, Object> infoMap = new HashMap<String, Object>();
aGroupMap.put("info", infoMap);
for (String infoKey : group.getVariables().getVarKeyList()) {
infoMap.put(infoKey, group.getVariables().getVarObject(infoKey));
}
// Permission nodes
aGroupMap.put("permissions", group.getPermissionList());
}
if (!root.isEmpty()) {
DumperOptions opt = new DumperOptions();
opt.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
final Yaml yaml = new Yaml(opt);
try {
yaml.dump(root, new OutputStreamWriter(new FileOutputStream(GlobalGroupsFile), "UTF-8"));
} catch (UnsupportedEncodingException ex) {
} catch (FileNotFoundException ex) {
}
}
setTimeStampGroups(GlobalGroupsFile.lastModified());
} else {
// Newer file found.
GroupManager.logger.log(Level.WARNING, "Newer GlobalGroups file found, but we have local changes!");
throw new IllegalStateException("Unable to save unless you issue a '/mansave force'");
}
removeGroupsChangedFlag();
} else {
// Check for newer file as no local changes.
if (getTimeStampGroups() < GlobalGroupsFile.lastModified()) {
System.out.print("Newer GlobalGroups file found (Loading changes)!");
// Backup GlobalGroups file
backupFile();
load();
}
}
}
/**
* Backup the BlobalGroups file
*
* @param w
*/
private void backupFile() {
File backupFile = new File(plugin.getBackupFolder(), "bkp_ggroups_" + Tasks.getDateString() + ".yml");
try {
Tasks.copy(GlobalGroupsFile, backupFile);
} catch (IOException ex) {
GroupManager.logger.log(Level.SEVERE, null, ex);
}
}
/**
* Adds a group, or replaces an existing one.
*
* @param groupToAdd
*/
public void addGroup(Group groupToAdd) {
// Create a new group if it already exists
if (hasGroup(groupToAdd.getName())) {
groupToAdd = groupToAdd.clone();
removeGroup(groupToAdd.getName());
}
newGroup(groupToAdd);
haveGroupsChanged = true;
if (GroupManager.isLoaded())
GroupManagerEventHandler.callEvent(groupToAdd, GMGroupEvent.Action.GROUP_ADDED);
}
/**
* Creates a new group if it doesn't already exist.
*
* @param newGroup
*/
public Group newGroup(Group newGroup) {
// Push a new group
if (!groups.containsKey(newGroup.getName().toLowerCase())) {
groups.put(newGroup.getName().toLowerCase(), newGroup);
this.setGroupsChanged(true);
return newGroup;
}
return null;
}
/**
* Delete a group if it exist.
*
* @param groupName
*/
public boolean removeGroup(String groupName) {
// Push a new group
if (groups.containsKey(groupName.toLowerCase())) {
groups.remove(groupName.toLowerCase());
this.setGroupsChanged(true);
if (GroupManager.isLoaded())
GroupManagerEventHandler.callEvent(groupName.toLowerCase(), GMGroupEvent.Action.GROUP_REMOVED);
return true;
}
return false;
}
/**
* Returns true if the Global Group exists in the globalgroups.yml
*
* @param groupName
* @return true if the group exists
*/
public boolean hasGroup(String groupName) {
return groups.containsKey(groupName.toLowerCase());
}
/**
* Returns true if the group has the correct permission node.
*
* @param groupName
* @param permissionNode
* @return true if node exists
*/
public boolean hasPermission(String groupName, String permissionNode) {
if (!hasGroup(groupName))
return false;
return groups.get(groupName.toLowerCase()).hasSamePermissionNode(permissionNode);
}
/**
* Returns a PermissionCheckResult of the permission node for the group to
* be tested against.
*
* @param groupName
* @param permissionNode
* @return PermissionCheckResult object
*/
public PermissionCheckResult checkPermission(String groupName, String permissionNode) {
PermissionCheckResult result = new PermissionCheckResult();
result.askedPermission = permissionNode;
result.resultType = PermissionCheckResult.Type.NOTFOUND;
if (!hasGroup(groupName))
return result;
Group tempGroup = groups.get(groupName.toLowerCase());
if (tempGroup.hasSamePermissionNode(permissionNode))
result.resultType = PermissionCheckResult.Type.FOUND;
if (tempGroup.hasSamePermissionNode("-" + permissionNode))
result.resultType = PermissionCheckResult.Type.NEGATION;
if (tempGroup.hasSamePermissionNode("+" + permissionNode))
result.resultType = PermissionCheckResult.Type.EXCEPTION;
return result;
}
/**
* Returns a List of all permission nodes for this group null if none
*
* @param groupName
* @return List of all group names
*/
public List<String> getGroupsPermissions(String groupName) {
if (!hasGroup(groupName))
return null;
return groups.get(groupName.toLowerCase()).getPermissionList();
}
/**
* Returns a Set of all global group names.
*
* @return Set containing all group names.
*/
public Set<String> getGlobalGroups() {
return groups.keySet();
}
/**
* Resets GlobalGroups.
*/
public void resetGlobalGroups() {
this.groups = new HashMap<String, Group>();
}
/**
*
* @return a collection of the groups
*/
public Collection<Group> getGroupList() {
return groups.values();
}
/**
* Returns the Global Group or null if it doesn't exist.
*
* @param groupName
* @return Group object
*/
public Group getGroup(String groupName) {
if (!hasGroup(groupName))
return null;
return groups.get(groupName.toLowerCase());
}
/**
* @return the globalGroupsFile
*/
public File getGlobalGroupsFile() {
return GlobalGroupsFile;
}
/**
*
*/
public void removeGroupsChangedFlag() {
setGroupsChanged(false);
for (Group g : groups.values()) {
g.flagAsSaved();
}
}
}
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