Changeset: fdf4c888d5b7 for monetdb-java
URL: https://dev.monetdb.org/hg/monetdb-java?cmd=changeset;node=fdf4c888d5b7
Modified Files:
src/main/java/nl/cwi/monetdb/jdbc/MonetDriver.java.in
src/main/java/nl/cwi/monetdb/jdbc/MonetResultSet.java
src/main/java/nl/cwi/monetdb/mcl/io/BufferedMCLReader.java
src/main/java/nl/cwi/monetdb/mcl/io/BufferedMCLWriter.java
src/main/java/nl/cwi/monetdb/mcl/net/MapiSocket.java
src/main/java/nl/cwi/monetdb/mcl/parser/HeaderLineParser.java
src/main/java/nl/cwi/monetdb/mcl/parser/StartOfHeaderParser.java
src/main/java/nl/cwi/monetdb/mcl/parser/TupleLineParser.java
Branch: default
Log Message:
Small code and layout improvements
diffs (truncated from 533 to 300 lines):
diff --git a/src/main/java/nl/cwi/monetdb/jdbc/MonetDriver.java.in
b/src/main/java/nl/cwi/monetdb/jdbc/MonetDriver.java.in
--- a/src/main/java/nl/cwi/monetdb/jdbc/MonetDriver.java.in
+++ b/src/main/java/nl/cwi/monetdb/jdbc/MonetDriver.java.in
@@ -144,7 +144,7 @@ final public class MonetDriver implement
int uri_port = uri.getPort();
if (uri_port > 0)
- info.put("port", "" + uri_port);
+ info.put("port", Integer.toString(uri_port));
// check the database
String uri_path = uri.getPath();
@@ -404,7 +404,7 @@ final public class MonetDriver implement
* @return the version string
*/
public static String getDriverVersion() {
- return "" + DRIVERMAJOR + "." + DRIVERMINOR + " (" +
DRIVERVERSIONSUFFIX + ")";
+ return DRIVERMAJOR + "." + DRIVERMINOR + " (" +
DRIVERVERSIONSUFFIX + ")";
}
public static int getDriverMajorVersion() {
diff --git a/src/main/java/nl/cwi/monetdb/jdbc/MonetResultSet.java
b/src/main/java/nl/cwi/monetdb/jdbc/MonetResultSet.java
--- a/src/main/java/nl/cwi/monetdb/jdbc/MonetResultSet.java
+++ b/src/main/java/nl/cwi/monetdb/jdbc/MonetResultSet.java
@@ -192,8 +192,8 @@ public class MonetResultSet
/**
* Internal utility method to fill the JdbcSQLTypes array with
derivable values.
- * By doing it once (in the constructor) we can avoid doing this in
many getXyz() methods again and again
- * thereby improving getXyz() method performance.
+ * By doing it once (in the constructor) we can avoid doing this in
many getXyz()
+ * methods again and again thereby improving getXyz() method
performance.
*/
private void populateJdbcSQLtypesArray() {
MonetConnection connection = null;
@@ -203,15 +203,15 @@ public class MonetResultSet
for (int i = 0; i < types.length; i++) {
int javaSQLtype = MonetDriver.getJavaType(types[i]);
- JdbcSQLTypes[i] = javaSQLtype;
if (javaSQLtype == Types.CLOB) {
if (connection != null &&
connection.mapClobAsVarChar())
- JdbcSQLTypes[i] = Types.VARCHAR;
+ javaSQLtype = Types.VARCHAR;
} else
if (javaSQLtype == Types.BLOB) {
if (connection != null &&
connection.mapBlobAsVarBinary())
- JdbcSQLTypes[i] = Types.VARBINARY;
+ javaSQLtype = Types.VARBINARY;
}
+ JdbcSQLTypes[i] = javaSQLtype;
}
}
diff --git a/src/main/java/nl/cwi/monetdb/mcl/io/BufferedMCLReader.java
b/src/main/java/nl/cwi/monetdb/mcl/io/BufferedMCLReader.java
--- a/src/main/java/nl/cwi/monetdb/mcl/io/BufferedMCLReader.java
+++ b/src/main/java/nl/cwi/monetdb/mcl/io/BufferedMCLReader.java
@@ -20,7 +20,7 @@ import java.io.UnsupportedEncodingExcept
* to provide a means for efficient reading of characters, arrays and
* lines. This class is based on the BufferedReader class, and provides
* extra functionality useful for MCL.
- *
+ *
* The BufferedMCLReader is typically used as layer inbetween an
* InputStream and a specific interpreter of the data.
* <pre>
@@ -42,29 +42,28 @@ import java.io.UnsupportedEncodingExcept
* @see nl.cwi.monetdb.mcl.io.BufferedMCLWriter
*/
public class BufferedMCLReader extends BufferedReader {
+ /** "there is currently no line", or the the type is unknown is
represented by UNKNOWN */
+ public final static int UNKNOWN = 0;
+ /** a line starting with ! indicates ERROR */
+ public final static int ERROR = '!';
+ /** a line starting with % indicates HEADER */
+ public final static int HEADER = '%';
+ /** a line starting with [ indicates RESULT */
+ public final static int RESULT = '[';
+ /** a line which matches the pattern of prompt1 is a PROMPT */
+ public final static int PROMPT = '.';
+ /** a line which matches the pattern of prompt2 is a MORE */
+ public final static int MORE = ',';
+ /** a line starting with & indicates the start of a header block */
+ public final static int SOHEADER = '&';
+ /** a line starting with ^ indicates REDIRECT */
+ public final static int REDIRECT = '^';
+ /** a line starting with # indicates INFO */
+ public final static int INFO = '#';
+
/** The type of the last line read */
private int lineType;
- /** "there is currently no line", or the the type is unknown is
- represented by UNKNOWN */
- public final static int UNKNOWN = 0;
- /** a line starting with ! indicates ERROR */
- public final static int ERROR = '!';
- /** a line starting with % indicates HEADER */
- public final static int HEADER = '%';
- /** a line starting with [ indicates RESULT */
- public final static int RESULT = '[';
- /** a line which matches the pattern of prompt1 is a PROMPT */
- public final static int PROMPT = '.';
- /** a line which matches the pattern of prompt2 is a MORE */
- public final static int MORE = ',';
- /** a line starting with & indicates the start of a header block */
- public final static int SOHEADER = '&';
- /** a line starting with ^ indicates REDIRECT */
- public final static int REDIRECT = '^';
- /** a line starting with # indicates INFO */
- public final static int INFO = '#';
-
/**
* Create a buffering character-input stream that uses a
* default-sized input buffer.
@@ -94,7 +93,7 @@ public class BufferedMCLReader extends B
* carriage return followed immediately by a linefeed. Before this
* method returns, it sets the linetype to any of the in MCL
* recognised line types.
- *
+ *
* Warning: until the server properly prefixes all of its error
* messages with SQLSTATE codes, this method prefixes all errors it
* sees without sqlstate with the generic data exception code
@@ -120,38 +119,38 @@ public class BufferedMCLReader extends B
*
* @param line the string to examine
*/
- void setLineType(String line) {
+ public void setLineType(String line) {
lineType = UNKNOWN;
if (line == null || line.length() == 0)
return;
switch (line.charAt(0)) {
case '!':
lineType = ERROR;
- break;
+ break;
case '&':
lineType = SOHEADER;
- break;
+ break;
case '%':
lineType = HEADER;
- break;
+ break;
case '[':
lineType = RESULT;
- break;
+ break;
case '=':
lineType = RESULT;
- break;
+ break;
case '^':
lineType = REDIRECT;
- break;
+ break;
case '#':
lineType = INFO;
- break;
+ break;
case '.':
lineType = PROMPT;
- break;
+ break;
case ',':
lineType = MORE;
- break;
+ break;
}
}
@@ -171,25 +170,26 @@ public class BufferedMCLReader extends B
* for a new command. All read data is discarded. If the last line
* read by readLine() was a prompt, this method will immediately
* return.
- *
+ *
* If there are errors present in the lines that are read, then they
* are put in one string and returned <b>after</b> the prompt has
* been found. If no errors are present, null will be returned.
*
* @return a string containing error messages, or null if there aren't
any
* @throws IOException if an IO exception occurs while talking to the
server
- *
- * TODO(Wouter): should probably not have to be synchronized. +
StringBuilder...
+ *
+ * TODO(Wouter): should probably not have to be synchronized.
*/
final public synchronized String waitForPrompt() throws IOException {
- String ret = "", tmp;
+ String tmp;
+ StringBuilder ret = new StringBuilder(128);
while (lineType != PROMPT) {
- if ((tmp = readLine()) == null)
+ tmp = readLine();
+ if (tmp == null)
throw new IOException("Connection to server
lost!");
if (lineType == ERROR)
- ret += "\n" + tmp.substring(1);
+ ret.append('\n').append(tmp.substring(1));
}
- return ret == "" ? null : ret.trim();
+ return ret.length() == 0 ? null : ret.toString().trim();
}
-
}
diff --git a/src/main/java/nl/cwi/monetdb/mcl/io/BufferedMCLWriter.java
b/src/main/java/nl/cwi/monetdb/mcl/io/BufferedMCLWriter.java
--- a/src/main/java/nl/cwi/monetdb/mcl/io/BufferedMCLWriter.java
+++ b/src/main/java/nl/cwi/monetdb/mcl/io/BufferedMCLWriter.java
@@ -34,7 +34,7 @@ import java.io.Writer;
*
* @author Fabian Groffen <Fabian.Groffen>
* @see nl.cwi.monetdb.mcl.net.MapiSocket
- * @see nl.cwi.monetdb.mcl.io.BufferedMCLWriter
+ * @see nl.cwi.monetdb.mcl.io.BufferedMCLReader
*/
public class BufferedMCLWriter extends BufferedWriter {
private BufferedMCLReader reader;
@@ -63,6 +63,18 @@ public class BufferedMCLWriter extends B
}
/**
+ * Write a line separator. The line separator string is in this
+ * class always the single newline character '\n'.
+ *
+ * @throws IOException If an I/O error occurs
+ */
+ @Override
+ public void newLine() throws IOException {
+ write('\n');
+ }
+
+
+ /**
* Registers the given reader in this writer. A registered reader
* receives a linetype reset when a line is written from this
* writer.
@@ -74,17 +86,6 @@ public class BufferedMCLWriter extends B
}
/**
- * Write a line separator. The line separator string is in this
- * class always the single newline character '\n'.
- *
- * @throws IOException If an I/O error occurs
- */
- @Override
- public void newLine() throws IOException {
- write('\n');
- }
-
- /**
* Write a single line, terminated with a line separator, and flush
* the stream. This is a shorthand method for a call to write()
* and flush().
@@ -96,6 +97,7 @@ public class BufferedMCLWriter extends B
write(line);
flush();
// reset reader state, last line isn't valid any more now
- if (reader != null) reader.setLineType(null);
+ if (reader != null)
+ reader.setLineType(null);
}
}
diff --git a/src/main/java/nl/cwi/monetdb/mcl/net/MapiSocket.java
b/src/main/java/nl/cwi/monetdb/mcl/net/MapiSocket.java
--- a/src/main/java/nl/cwi/monetdb/mcl/net/MapiSocket.java
+++ b/src/main/java/nl/cwi/monetdb/mcl/net/MapiSocket.java
@@ -252,15 +252,16 @@ public final class MapiSocket {
* @throws MCLException if an MCL related error occurs
*/
public List<String> connect(String host, int port, String user, String
pass)
- throws IOException, MCLParseException, MCLException {
+ throws IOException, MCLParseException, MCLException
+ {
// Wrap around the internal connect that needs to know if it
// should really make a TCP connection or not.
return connect(host, port, user, pass, true);
}
- private List<String> connect(String host, int port, String user, String
pass,
- boolean makeConnection)
- throws IOException, MCLParseException, MCLException {
+ private List<String> connect(String host, int port, String user, String
pass, boolean makeConnection)
+ throws IOException, MCLParseException, MCLException
+ {
if (ttl-- <= 0)
throw new MCLException("Maximum number of redirects
reached, aborting connection attempt. Sorry.");
@@ -385,7 +386,7 @@ public final class MapiSocket {
close();
}
tmp = u.getPath();
- if (tmp != null && tmp.length() != 0) {
+ if (tmp != null && tmp.length() > 0) {
tmp = tmp.substring(1).trim();
if (!tmp.isEmpty() &&
!tmp.equals(database)) {
warns.add("redirect
points to different " + "database: " + tmp);
@@ -438,8 +439,8 @@ public final class MapiSocket {
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