Added delete

Author: TPeterW

README.md

@@ -54,6 +54,13 @@ Usage
 				.equalsTo(123456))
 			.create();
 
+	String delete1 = new SQLDelete()
+			.fromTable("manuscript")
+			.where(new SQLCondition()
+				.whereAttribute("author_id")
+				.equalsTo("123456"))
+			.create();
+
 	stmt.executeQuery(new SQLQuery()
 			.select('*')
 			.from("manuscript")

src/com/tpwang/sql/SQLDelete.java

@@ -0,0 +1,59 @@
+package com.tpwang.sql;
+
+public class SQLDelete {
+	
+	private StringBuilder builder = null;
+	
+	/***
+	 * Constructor
+	 */
+	public SQLDelete() {
+		builder = new StringBuilder().append("DELETE ");
+	}
+	
+	/***
+	 * Where to delete from
+	 * @param tableName			Delete table name
+	 * @return					delete
+	 */
+	public SQLDelete fromTable(String tableName) {
+		builder.append("FROM ").append(tableName).append(' ');
+		return this;
+	}
+	
+	/***
+	 * How to delete
+	 * @param condition			Delete condition
+	 * @return					delete
+	 */
+	public SQLDelete where(SQLCondition condition) {
+		builder.append(condition.toString());
+		return this;
+	}
+	
+	/***
+	 * How to delete
+	 * @param condition			Delete condition
+	 * @return					delete
+	 */
+	public SQLDelete where(String condition) {
+		builder.append(condition);
+		return this;
+	}
+	
+	/***
+	 * Return the final query
+	 * @return					delete string
+	 */
+	public String create() {
+		return toString();
+	}
+	
+	/***
+	 * Return the final query
+	 */
+	@Override
+	public String toString() {
+		return builder.toString().trim();
+	}
+}

src/com/tpwang/sql/SQLUpdate.java

@@ -119,7 +119,7 @@ public String create() {
 	public String toString() {
 		return builder.append("SET ").append(joiner.toString()).append(' ')
 					.append("WHERE ").append(condition)
-					.toString();
+					.toString().trim();
 	}
 
 }