Initial Commit

Author: TPeterW

.gitignore

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+# Project files
+bin/
+.project
+.classpath
+Driver.java
+
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*

src/com/tpwang/sql/SQLCondition.java

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+package com.tpwang.sql;
+
+public class SQLCondition {
+	
+	private StringBuilder builder;
+	
+	/***
+	 * Constructor
+	 */
+	public SQLCondition() {
+		builder = new StringBuilder();
+	}
+	
+	/***
+	 * Condition first argument
+	 * @param attributeName		First argument in condition
+	 * @return					(Unfinished) condition
+	 */
+	public SQLCondition whereAttribute(String attributeName) {
+		builder.append('`').append(attributeName).append('`');
+		return this;
+	}
+	
+	/***
+	 * Condition first argument
+	 * @param attributeName		First argument in condition
+	 * @return					(Unfinished) condition
+	 */
+	public SQLCondition whereAttribute(char attributeName) {
+		builder.append('`').append(attributeName).append('`');
+		return this;
+	}
+	
+	/***
+	 * Condition second argument
+	 * @param attributeValue	Second argument/subquery in condition 
+	 * @return					condition
+	 */
+	public SQLCondition equalsTo(String attributeValue) {
+		builder.append("=\"").append(attributeValue).append("\"");
+		return this;
+	}
+	
+	/***
+	 * Condition second argument
+	 * @param attributeValue	Second argument/subquery in condition 
+	 * @return					condition
+	 */
+	public SQLCondition equalsTo(char attributeValue) {
+		builder.append("=\"").append(attributeValue).append("\"");
+		return this;
+	}
+	
+	/***
+	 * Condition second argument
+	 * @param attributeValue	Second argument/subquery in condition 
+	 * @return					condition
+	 */
+	public SQLCondition equalsTo(int attributeValue) {
+		builder.append("=\"").append(attributeValue).append("\"");
+		return this;
+	}
+	
+	/***
+	 * Return the final condition
+	 * @return condition
+	 */
+	public String make() {
+		return toString();
+	}
+	
+	/***
+	 * Return the final condition
+	 */
+	public String toString() {
+		return builder.toString();
+	}
+}

src/com/tpwang/sql/SQLQuery.java

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+package com.tpwang.sql;
+
+public class SQLQuery {
+	
+	StringBuilder builder;
+	
+	/***
+	 * Constructor
+	 */
+	public SQLQuery() {
+		builder = new StringBuilder().append(' ');
+	}
+	
+	/***
+	 * What to query
+	 * @param target		Selection target from table
+	 * @return				builder
+	 */
+	public SQLQuery select(String target) {
+		builder.append("SELECT ").append(target).append(' ').toString();
+		return this;
+	}
+	
+	/***
+	 * What to query
+	 * @param target		Selection target from table
+	 * @return				builder
+	 */
+	public SQLQuery select(char target) {
+		return select(Character.toString(target));
+	}
+	
+	/***
+	 * Where to query
+	 * @param tableName		Selection destination/subquery
+	 * @return				builder
+	 */
+	public SQLQuery from(String tableName) {
+		builder.append("FROM ").append(tableName).append(' ');
+		return this;
+	}
+	
+	/***
+	 * How to query
+	 * @param condition		Selection condition (manual or from Attribute)
+	 * @return				builder
+	 */
+	public SQLQuery where(String condition) {
+		builder.append("WHERE ").append(condition).append(' ');
+		return this;
+	}
+	
+	/***
+	 * Return the final query
+	 * @return query
+	 */
+	public String make() {
+		return toString();
+	}
+	
+	/***
+	 * Return the final query
+	 */
+	public String toString() {
+		return builder.toString();
+	}
+}
+

src/com/tpwang/sql/SQLSubQuery.java

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+package com.tpwang.sql;
+
+import com.tpwang.sql.SQLQuery;
+
+public class SQLSubQuery {
+	
+	private SQLQuery query;
+	
+	public SQLSubQuery() {
+		this.query = new SQLQuery();
+	}
+	
+	// TODO: add other commands
+	
+	/***
+	 * Return the final query
+	 * @return query
+	 */
+	public String make() {
+		return toString();
+	}
+	
+	/***
+	 * Return the final subquery
+	 */
+	public String toString() {
+		return (new StringBuilder()).append('(').append(query.make()).append(')').toString();
+	}
+	
+}