diff src/fschmidt/db/base/DbDatabaseImpl.java @ 68:00520880ad02

add fschmidt source
author Franklin Schmidt <fschmidt@gmail.com>
date Sun, 05 Oct 2025 17:24:15 -0600
parents
children
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/fschmidt/db/base/DbDatabaseImpl.java	Sun Oct 05 17:24:15 2025 -0600
@@ -0,0 +1,197 @@
+/*
+Copyright (c) 2008  Franklin Schmidt <fschmidt@gmail.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+package fschmidt.db.base;
+
+import java.sql.Connection;
+import java.sql.SQLException;
+import java.sql.DriverManager;
+import java.sql.PreparedStatement;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.Properties;
+import fschmidt.db.DbObject;
+import fschmidt.db.DbKey;
+import fschmidt.db.DbKeySetter;
+import fschmidt.db.DbObjectFactory;
+import fschmidt.db.SQLRuntimeException;
+import fschmidt.db.LongKey;
+import fschmidt.db.StringKey;
+import fschmidt.db.DbStorable;
+import fschmidt.db.extend.DbRecordExt;
+import fschmidt.db.extend.DbDatabaseExt;
+import fschmidt.db.extend.DbTableExt;
+import fschmidt.db.extend.DbTransaction;
+
+
+public abstract class DbDatabaseImpl extends DbDatabaseExt {
+	private final String url;
+	private final Properties props = new Properties();
+
+	public DbDatabaseImpl(String url,String user,String password) {
+		this.url = url;
+		props.setProperty("user",user);
+		props.setProperty("password",password);
+	}
+
+	public void setProperty(String key,String value) {
+		props.setProperty(key,value);
+	}
+
+	public Properties getProperties() {
+		return props;
+	}
+
+	public Connection getConnection()
+		throws SQLException
+	{
+		return DriverManager.getConnection(url,props);
+	}
+
+	public <K extends DbKey,V extends DbObject<K,V>> DbTableExt<K,V> newTable(DbDatabaseExt database,String tableName,DbKeySetter<K> keySetter,DbObjectFactory<K,V> objectFactory) {
+		return new DbTableImpl<K,V>(database,tableName,keySetter,objectFactory);
+	}
+
+	public <K extends DbKey,V extends DbObject<K,V>> DbRecordExt<K,V> newRecord(DbTableExt<K,V> table,V obj,K key) {
+		return new DbRecordImpl<K,V>(table,obj,key);
+	}
+
+	public <K extends DbKey,V extends DbObject<K,V>> DbRecordExt<K,V> newRecord(DbTableExt<K,V> table,V obj) {
+		return new DbRecordImpl<K,V>(table,obj);
+	}
+
+	public boolean isInTransaction() {
+		throw new UnsupportedOperationException();
+	}
+
+	public void beginTransaction()
+		throws SQLRuntimeException
+	{
+		throw new UnsupportedOperationException();
+	}
+
+	public void commitTransaction()
+		throws SQLRuntimeException
+	{
+		throw new UnsupportedOperationException();
+	}
+
+	public void endTransaction()
+		throws SQLRuntimeException
+	{
+		throw new UnsupportedOperationException();
+	}
+
+	public void runBeforeCommit(Runnable r) {
+		r.run();
+	}
+
+	public void runAfterCommit(Runnable r) {
+		r.run();
+	}
+
+	public DbTransaction getTransaction() {
+		return null;
+	}
+
+	public void ignoreRunnablesInThisTransaction() {
+		throw new UnsupportedOperationException();
+	}
+
+
+	public DbKeySetter<LongKey> newIdentityLongKeySetter(String fieldName) {
+		return new LongKeySetter(fieldName);
+	}
+
+	public DbKeySetter<LongKey> newAssignedLongKeySetter(String fieldName) {
+		return new LongForeignKeySetter(fieldName);
+	}
+
+	public DbKeySetter<StringKey> newAssignedStringKeySetter(String fieldName) {
+		return new StringKeySetter(fieldName);
+	}
+
+	public void setValue(PreparedStatement stmt,int idx,Object value)
+		throws SQLException
+	{
+		if( value==null ) {
+			throw new SQLException("null value");
+		} else if( value instanceof DbStorable ) {
+			((DbStorable)value).setField(stmt,idx);
+		} else if( value instanceof Character ) {
+			stmt.setString(idx,value.toString());
+		} else if( value instanceof java.util.Date ) {
+			stmt.setTimestamp(idx,new java.sql.Timestamp(((java.util.Date)value).getTime()));
+		} else if( (new byte[0]).getClass().isInstance(value) ) {
+			stmt.setBytes(idx,(byte[])value);
+		} else if( value instanceof Boolean ) {
+			stmt.setBoolean( idx, ((Boolean)value).booleanValue() );
+		} else if( value instanceof Float ) {
+			stmt.setFloat( idx, ((Float)value).floatValue() );
+		} else {
+			stmt.setObject(idx,value);
+		}
+	}
+
+
+
+
+	public String quote(String s) {
+		return "'" + stringEncode(s) + "'";
+	}
+
+	public String stringEncode(String s) {
+		StringBuilder buf = new StringBuilder();
+		int n = s.length();
+		for( int i=0; i<n; i++ ) {
+			char c = s.charAt(i);
+			switch(c) {
+				case '\n': 
+					buf.append("\\n");
+					break;
+				case '\t':
+					buf.append("\\t");
+					break;
+				case '\r':
+					buf.append("\\r");
+					break;
+				case '\'':
+					buf.append("\\'");
+					break;
+				default:
+					buf.append(c);
+			}
+		}
+		return buf.toString();
+	}
+
+	private static final DateFormat dateFmt = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+
+	public String quote(java.util.Date date) {
+		return "'" + stringEncode(date) + "'";
+	}
+
+	public String stringEncode(java.util.Date date) {
+		return dateFmt.format(date);
+	}
+
+}