1 files changed, 181 insertions, 0 deletions
diff --git a/EssentialsGroupManager/src/org/anjocaido/groupmanager/data/DataUnit.java b/EssentialsGroupManager/src/org/anjocaido/groupmanager/data/DataUnit.java
new file mode 100644
index 000000000..bb04fa3d7
--- /dev/null
+++ b/EssentialsGroupManager/src/org/anjocaido/groupmanager/data/DataUnit.java
@@ -0,0 +1,181 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.anjocaido.groupmanager.data;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import org.anjocaido.groupmanager.GroupManager;
+import org.anjocaido.groupmanager.dataholder.WorldDataHolder;
+import org.anjocaido.groupmanager.utils.StringPermissionComparator;
+
+/**
+ * 
+ * @author gabrielcouto
+ */
+public abstract class DataUnit {
+
+	private WorldDataHolder dataSource;
+	private String name;
+	private boolean changed, sorted = false;
+	private ArrayList<String> permissions = new ArrayList<String>();
+
+	public DataUnit(WorldDataHolder dataSource, String name) {
+
+		this.dataSource = dataSource;
+		this.name = name;
+	}
+
+	public DataUnit(String name) {
+
+		this.name = name;
+	}
+
+	/**
+	 * Every group is matched only by their names and DataSources names.
+	 * 
+	 * @param o
+	 * @return true if they are equal. false if not.
+	 */
+	@Override
+	public boolean equals(Object o) {
+
+		if (o instanceof DataUnit) {
+			DataUnit go = (DataUnit) o;
+			if (this.getName().equalsIgnoreCase(go.getName())) {
+				// Global Group match.
+				if (this.dataSource == null && go.getDataSource() == null)
+					return true;
+				// This is a global group, the object to test isn't.
+				if (this.dataSource == null && go.getDataSource() != null)
+					return false;
+				// This is not a global group, but the object to test is.
+				if (this.dataSource != null && go.getDataSource() == null)
+					return false;
+				// Match on group name and world name.
+				if (this.dataSource.getName().equalsIgnoreCase(go.getDataSource().getName()))
+					return true;
+			}
+		}
+		return false;
+	}
+
+	@Override
+	public int hashCode() {
+
+		int hash = 5;
+		hash = 71 * hash + (this.name != null ? this.name.toLowerCase().hashCode() : 0);
+		return hash;
+	}
+
+	/**
+	 * Set the data source to point to a different worldDataHolder
+	 * 
+	 * @param source
+	 */
+	public void setDataSource(WorldDataHolder source) {
+
+		this.dataSource = source;
+	}
+
+	/**
+	 * Get the current worldDataHolder this object is pointing to
+	 * 
+	 * @return the dataSource
+	 */
+	public WorldDataHolder getDataSource() {
+
+		return dataSource;
+	}
+
+	/**
+	 * @return the name
+	 */
+	public String getName() {
+
+		return name;
+	}
+
+	public void flagAsChanged() {
+
+		WorldDataHolder testSource = getDataSource();
+		String source = "";
+
+		if (testSource == null)
+			source = "GlobalGroups";
+		else
+			source = testSource.getName();
+
+		GroupManager.logger.finest("DataSource: " + source + " - DataUnit: " + getName() + " flagged as changed!");
+		// for(StackTraceElement st: Thread.currentThread().getStackTrace()){
+		// GroupManager.logger.finest(st.toString());
+		// }
+		sorted = false;
+		changed = true;
+	}
+
+	public boolean isChanged() {
+
+		return changed;
+	}
+
+	public void flagAsSaved() {
+
+		WorldDataHolder testSource = getDataSource();
+		String source = "";
+
+		if (testSource == null)
+			source = "GlobalGroups";
+		else
+			source = testSource.getName();
+
+		GroupManager.logger.finest("DataSource: " + source + " - DataUnit: " + getName() + " flagged as saved!");
+		changed = false;
+	}
+
+	public boolean hasSamePermissionNode(String permission) {
+
+		return permissions.contains(permission);
+	}
+
+	public void addPermission(String permission) {
+
+		if (!hasSamePermissionNode(permission)) {
+			permissions.add(permission);
+		}
+		flagAsChanged();
+	}
+
+	public boolean removePermission(String permission) {
+
+		flagAsChanged();
+		return permissions.remove(permission);
+	}
+
+	/**
+	 * Use this only to list permissions.
+	 * You can't edit the permissions using the returned ArrayList instance
+	 * 
+	 * @return a copy of the permission list
+	 */
+	public List<String> getPermissionList() {
+
+		return Collections.unmodifiableList(permissions);
+	}
+
+	public boolean isSorted() {
+
+		return this.sorted;
+	}
+
+	public void sortPermissions() {
+
+		if (!isSorted()) {
+			Collections.sort(permissions, StringPermissionComparator.getInstance());
+			sorted = true;
+		}
+	}
+}
+\ No newline at end of file