Implement basic functionality of JDBC4PreparedStatement

bindings/java/src/main/java/org/github/tursodatabase/jdbc4/JDBC4PreparedStatement.java

@@ -0,0 +1,336 @@
+package org.github.tursodatabase.jdbc4;
+
+import static java.util.Objects.requireNonNull;
+
+import java.io.InputStream;
+import java.io.Reader;
+import java.math.BigDecimal;
+import java.net.URL;
+import java.sql.Array;
+import java.sql.Blob;
+import java.sql.Clob;
+import java.sql.Date;
+import java.sql.NClob;
+import java.sql.ParameterMetaData;
+import java.sql.PreparedStatement;
+import java.sql.Ref;
+import java.sql.ResultSet;
+import java.sql.ResultSetMetaData;
+import java.sql.RowId;
+import java.sql.SQLException;
+import java.sql.SQLXML;
+import java.sql.Time;
+import java.sql.Timestamp;
+import java.util.Calendar;
+import org.github.tursodatabase.annotations.SkipNullableCheck;
+import org.github.tursodatabase.core.LimboConnection;
+
+public class JDBC4PreparedStatement extends JDBC4Statement implements PreparedStatement {
+
+  private final String sql;
+
+  public JDBC4PreparedStatement(LimboConnection connection, String sql) throws SQLException {
+    super(connection);
+
+    this.sql = sql;
+    this.statement = connection.prepare(sql);
+    this.statement.initializeColumnMetadata();
+  }
+
+  @Override
+  public ResultSet executeQuery() throws SQLException {
+    // TODO: check bindings etc
+    requireNonNull(this.statement);
+    return new JDBC4ResultSet(this.statement.getResultSet());
+  }
+
+  @Override
+  public int executeUpdate() throws SQLException {
+    // TODO
+    return 0;
+  }
+
+  @Override
+  public void setNull(int parameterIndex, int sqlType) throws SQLException {
+    requireNonNull(this.statement);
+    this.statement.bindNull(parameterIndex);
+  }
+
+  @Override
+  public void setBoolean(int parameterIndex, boolean x) throws SQLException {
+    requireNonNull(this.statement);
+    this.statement.bindInt(parameterIndex, x ? 1 : 0);
+  }
+
+  @Override
+  public void setByte(int parameterIndex, byte x) throws SQLException {
+    requireNonNull(this.statement);
+    this.statement.bindInt(parameterIndex, x);
+  }
+
+  @Override
+  public void setShort(int parameterIndex, short x) throws SQLException {
+    requireNonNull(this.statement);
+    this.statement.bindInt(parameterIndex, x);
+  }
+
+  @Override
+  public void setInt(int parameterIndex, int x) throws SQLException {
+    requireNonNull(this.statement);
+    this.statement.bindInt(parameterIndex, x);
+  }
+
+  @Override
+  public void setLong(int parameterIndex, long x) throws SQLException {
+    requireNonNull(this.statement);
+    this.statement.bindLong(parameterIndex, x);
+  }
+
+  @Override
+  public void setFloat(int parameterIndex, float x) throws SQLException {
+    requireNonNull(this.statement);
+    this.statement.bindDouble(parameterIndex, x);
+  }
+
+  @Override
+  public void setDouble(int parameterIndex, double x) throws SQLException {
+    requireNonNull(this.statement);
+    this.statement.bindDouble(parameterIndex, x);
+  }
+
+  @Override
+  public void setBigDecimal(int parameterIndex, BigDecimal x) throws SQLException {
+    requireNonNull(this.statement);
+    this.statement.bindText(parameterIndex, x.toString());
+  }
+
+  @Override
+  public void setString(int parameterIndex, String x) throws SQLException {
+    requireNonNull(this.statement);
+    this.statement.bindText(parameterIndex, x);
+  }
+
+  @Override
+  public void setBytes(int parameterIndex, byte[] x) throws SQLException {
+    requireNonNull(this.statement);
+    this.statement.bindBlob(parameterIndex, x);
+  }
+
+  @Override
+  public void setDate(int parameterIndex, Date x) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setTime(int parameterIndex, Time x) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setTimestamp(int parameterIndex, Timestamp x) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setAsciiStream(int parameterIndex, InputStream x, int length) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setUnicodeStream(int parameterIndex, InputStream x, int length) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setBinaryStream(int parameterIndex, InputStream x, int length) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void clearParameters() throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setObject(int parameterIndex, Object x, int targetSqlType) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setObject(int parameterIndex, Object x) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public boolean execute() throws SQLException {
+    // TODO: check whether this is sufficient
+    requireNonNull(this.statement);
+    return statement.execute();
+  }
+
+  @Override
+  public void addBatch() throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setCharacterStream(int parameterIndex, Reader reader, int length)
+      throws SQLException {}
+
+  @Override
+  public void setRef(int parameterIndex, Ref x) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setBlob(int parameterIndex, Blob x) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setClob(int parameterIndex, Clob x) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setArray(int parameterIndex, Array x) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  @SkipNullableCheck
+  public ResultSetMetaData getMetaData() throws SQLException {
+    return null;
+  }
+
+  @Override
+  public void setDate(int parameterIndex, Date x, Calendar cal) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setTime(int parameterIndex, Time x, Calendar cal) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setTimestamp(int parameterIndex, Timestamp x, Calendar cal) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setNull(int parameterIndex, int sqlType, String typeName) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setURL(int parameterIndex, URL x) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  @SkipNullableCheck
+  public ParameterMetaData getParameterMetaData() throws SQLException {
+    // TODO
+    return null;
+  }
+
+  @Override
+  public void setRowId(int parameterIndex, RowId x) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setNString(int parameterIndex, String value) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setNCharacterStream(int parameterIndex, Reader value, long length)
+      throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setNClob(int parameterIndex, NClob value) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setClob(int parameterIndex, Reader reader, long length) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setBlob(int parameterIndex, InputStream inputStream, long length)
+      throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setNClob(int parameterIndex, Reader reader, long length) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setSQLXML(int parameterIndex, SQLXML xmlObject) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setObject(int parameterIndex, Object x, int targetSqlType, int scaleOrLength)
+      throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setAsciiStream(int parameterIndex, InputStream x, long length) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setBinaryStream(int parameterIndex, InputStream x, long length) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setCharacterStream(int parameterIndex, Reader reader, long length)
+      throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setAsciiStream(int parameterIndex, InputStream x) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setBinaryStream(int parameterIndex, InputStream x) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setCharacterStream(int parameterIndex, Reader reader) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setNCharacterStream(int parameterIndex, Reader value) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setClob(int parameterIndex, Reader reader) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setBlob(int parameterIndex, InputStream inputStream) throws SQLException {
+    // TODO
+  }
+
+  @Override
+  public void setNClob(int parameterIndex, Reader reader) throws SQLException {
+    // TODO
+  }
+}

bindings/java/src/main/java/org/github/tursodatabase/jdbc4/JDBC4Statement.java

@@ -17,7 +17,7 @@ import org.github.tursodatabase.core.LimboStatement;
 public class JDBC4Statement implements Statement {
 
   private final LimboConnection connection;
-  @Nullable private LimboStatement statement = null;
+  @Nullable protected LimboStatement statement = null;
 
   // Because JDBC4Statement has different life cycle in compared to LimboStatement, let's use this
   // field to manage JDBC4Statement lifecycle

bindings/java/src/main/java/org/github/tursodatabase/utils/CommonUtils.java

@@ -1,15 +0,0 @@
-package org.github.tursodatabase.utils;
-
-import org.github.tursodatabase.annotations.Nullable;
-
-public class CommonUtils {
-
-  public static <T> T requireNotNull(@Nullable T obj) {
-    return requireNotNull(obj, obj + " must not be null");
-  }
-
-  public static <T> T requireNotNull(@Nullable T obj, String message) {
-    if (obj != null) return obj;
-    throw new IllegalArgumentException(message);
-  }
-}