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--- incubator/derby/code/trunk/java/client/org/apache/derby/client/am/Configuration.java 2005/05/02 05:18:08 165584
+++ incubator/derby/code/trunk/java/client/org/apache/derby/client/am/Configuration.java 2005/05/02 06:25:59 165585
@@ -19,228 +19,215 @@
*/
package org.apache.derby.client.am;
-import org.apache.derby.iapi.services.info.ProductVersionHolder;
-import org.apache.derby.iapi.services.info.ProductGenusNames;
-import java.security.AccessController;
-import java.security.PrivilegedExceptionAction;
+
import java.io.IOException;
import java.io.InputStream;
+import java.security.AccessController;
+import java.security.PrivilegedExceptionAction;
+
+import org.apache.derby.iapi.services.info.ProductGenusNames;
+import org.apache.derby.iapi.services.info.ProductVersionHolder;
+
+public class Configuration {
+
+
+ public static int traceFileSuffixIndex__ = 0;
+
+ public static int traceLevel__ = org.apache.derby.client.ClientBaseDataSource.TRACE_ALL;
+
+ public static String traceFile__ = null;
+
+ public static String traceDirectory__ = null;
+
+ public static boolean traceFileAppend__ = false;
+ public static String jreLevel = "1.3.0"; // default level if unable to read
+ public static int jreLevelMajor = 1;
+ public static int jreLevelMinor = 3;
+
+ private Configuration() {
+ }
+
+ public static boolean traceSuspended__;
+
+ public static boolean[] enableConnectivityToTargetServer__;
+ public static boolean jvmSupportsMicrosClock__ = false;
+
+ // -------------------------- versioning -------------------------------------
+
+ public static ProductVersionHolder dncProductVersionHolder__;
+
+ public static ProductVersionHolder getProductVersionHolder() {
+ return dncProductVersionHolder__;
+ }
+
+
+ // for DatabaseMetaData.getDriverName()
+ public final static String dncDriverName = "Apache Derby Network Client JDBC Driver";
+
+
+ // Hard-wired for JDBC
+ //
+ // Currently ASCII hex value of "SYSLVL01".
+ public final static byte[] dncPackageConsistencyToken =
+ {0x53, 0x59, 0x53, 0x4c, 0x56, 0x4c, 0x30, 0x31};
+
+ // We will not set packagge VERSION in the initial release.
+ // If we have to change the package version in the future then we can.
+ public static String dncPackageVersion = null;
-public class Configuration
-{
+ // for Driver.jdbcCompliant()
+ public final static boolean jdbcCompliant = true;
+ // for Driver.getCompatibileJREVersions()
+ public final static String[] dncCompatibleJREVersions = new String[]{"1.3", "1.4"};
- public static int traceFileSuffixIndex__ = 0;
+ //---------------------- database URL protocols ------------------------------
- public static int traceLevel__ = org.apache.derby.client.ClientBaseDataSource.TRACE_ALL;
+ // For DatabaseMetaData.getURL()
+ public final static String jdbcDerbyNETProtocol = "jdbc:derby://";
- public static String traceFile__ = null;
-
- public static String traceDirectory__ = null;
-
- public static boolean traceFileAppend__ = false;
- public static String jreLevel = "1.3.0"; // default level if unable to read
- public static int jreLevelMajor = 1;
- public static int jreLevelMinor = 3;
-
- private Configuration () {}
-
- public static boolean traceSuspended__;
-
- public static boolean[] enableConnectivityToTargetServer__;
- public static boolean jvmSupportsMicrosClock__ = false;
-
- // -------------------------- versioning -------------------------------------
-
- public static ProductVersionHolder dncProductVersionHolder__;
-
- public static ProductVersionHolder getProductVersionHolder()
- {
- return dncProductVersionHolder__;
- }
-
-
- // for DatabaseMetaData.getDriverName()
- public final static String dncDriverName = "Apache Derby Network Client JDBC Driver" ;
-
-
- // Hard-wired for JDBC
- //
- // Currently ASCII hex value of "SYSLVL01".
- public final static byte[] dncPackageConsistencyToken =
- {0x53, 0x59, 0x53, 0x4c, 0x56, 0x4c, 0x30, 0x31};
-
- // We will not set packagge VERSION in the initial release.
- // If we have to change the package version in the future then we can.
- public static String dncPackageVersion = null;
-
- // for Driver.jdbcCompliant()
- public final static boolean jdbcCompliant = true;
-
- // for Driver.getCompatibileJREVersions()
- public final static String[] dncCompatibleJREVersions = new String[] {"1.3", "1.4"};
-
- //---------------------- database URL protocols ------------------------------
-
- // For DatabaseMetaData.getURL()
- public final static String jdbcDerbyNETProtocol = "jdbc:derby://";
-
- // -------------------------- metrics ----------------------
- // Not currently used by production builds.
- // We can't really use this stuff with tracing enabled, the results are not accurate.
-
- // -------------------------- compiled in properties -------------------------
-
- public final static boolean enableNetConnectionPooling = true;
-
- final static boolean rangeCheckCrossConverters = true;
-
- // Define different levels of bug checking, for now turn all bits on.
- final static int bugCheckLevel = 0xff;
-
- // --------------------------- connection defaults ---------------------------
-
- // This is the DERBY default and maps to DERBY's "Cursor Stability".
- public final static int defaultIsolation = java.sql.Connection.TRANSACTION_READ_COMMITTED;
-
- // ---------------------------- statement defaults----------------------------
-
- public static final int defaultFetchSize = 64;
-
- // Prepare attribute constants
- public static final String cursorAttribute_SensitiveStatic = "SENSITIVE STATIC SCROLL ";
- public static final String cursorAttribute_SensitiveStaticRowset = cursorAttribute_SensitiveStatic;
- public static final String cursorAttribute_SensitiveDynamic = "SENSITIVE DYNAMIC SCROLL ";
- public static final String cursorAttribute_SensitiveDynamicRowset = "SENSITIVE DYNAMIC SCROLL WITH ROWSET POSITIONING ";
- public static final String cursorAttribute_Insensitive = "INSENSITIVE SCROLL ";
- public static final String cursorAttribute_InsensitiveRowset = cursorAttribute_Insensitive;
-
- // uncomment the following when we want to use multi-row fetch to support sensitive static and
- // insensitve cursors whenever the server has support for it.
- //public static final String cursorAttribute_SensitiveStaticRowset = "SENSITIVE STATIC SCROLL WITH ROWSET POSITIONING ";
- //public static final String cursorAttribute_InsensitiveRowset = "INSENSITIVE SCROLL WITH ROWSET POSITIONING ";
-
- public static final String cursorAttribute_ForUpdate = "FOR UPDATE ";
- public static final String cursorAttribute_ForReadOnly = "FOR READ ONLY ";
-
- public static final String cursorAttribute_WithHold = "WITH HOLD ";
-
- // -----------------------Load resource bundles for the driver asap-----------
-
- private static final String packageNameForDNC = "org.apache.derby.client";
- private static final String classNameForResources = "org.apache.derby.client.resources.Resources";
-
- public static SqlException exceptionsOnLoadResources = null; // used by ClientDriver to accumulate load exceptions
- public static java.util.ResourceBundle dncResources__;
-
- static {
- try {
- loadProductVersionHolder();
- loadResources ();
- }
- catch (SqlException e) {
- exceptionsOnLoadResources = e;
- }
- try {
- jreLevel = System.getProperty( "java.version" );
- }
- catch (SecurityException e) {} // ignore it, assume 1.3.0
- java.util.StringTokenizer st = new java.util.StringTokenizer( jreLevel, "." );
- int jreState = 0;
- while( st.hasMoreTokens() )
- {
- int i;
- try
- {
- i = java.lang.Integer.parseInt(st.nextToken()); // get int value
- }
- catch( NumberFormatException e ) { i=0;}
- switch( jreState++ )
- {
- case 0:
- jreLevelMajor = i; // state 0, this is the major version
- break;
- case 1:
- jreLevelMinor = i; // state 1, this is the minor version
- break;
- default:
- break; // state >1, ignore
- }
- }
- }
-
- private static void loadResources () throws SqlException
- {
- try {
- dncResources__ = (java.util.ResourceBundle) java.security.AccessController.doPrivileged (
- new org.apache.derby.client.am.GetResourceBundleAction (classNameForResources));
- }
- catch (java.security.PrivilegedActionException e) {
- throw new SqlException (null,
- "[derby] " +
- "PrivilegedActionException:" +
- e.getException());
- }
- catch (java.util.MissingResourceException e) {
- // A null log writer is passed, because jdbc 1 sql exceptions are automatically traced
- throw new SqlException (null,
- "[derby] " +
- "Missing resource bundle:" +
- " a resource bundle could not be found" +
- " in the " + packageNameForDNC + " package for " + Configuration.dncDriverName);
- }
- }
-
- public static void checkForExceptionsFromLoadConfiguration (LogWriter dncLogWriter) throws SqlException
- {
- if (dncResources__ == null) {
- throw new SqlException (dncLogWriter,
- "Missing resource bundle: a resource bundle could not be found" +
- " in the " + Configuration.packageNameForDNC + " package for " + Configuration.dncDriverName);
- }
- }
-
- /**
- * load product version information and accumulate exceptions
- */
- private static void loadProductVersionHolder() throws SqlException
- {
- try {
- dncProductVersionHolder__ = buildProductVersionHolder();
- }
- catch (java.security.PrivilegedActionException e) {
- throw new SqlException (null,
- "[derby] " +
- "PrivilegedActionException:" +
- e.getException());
- }
- catch (java.io.IOException ioe) {
- throw new SqlException (null,
- "[derby] " +
- "IOException:" +
- ioe);
- }
- }
-
-
- // Create ProductVersionHolder in security block for Java 2 security.
- private static ProductVersionHolder buildProductVersionHolder() throws
- java.security.PrivilegedActionException, IOException
- {
- ProductVersionHolder myPVH= null;
- myPVH = (ProductVersionHolder)
- AccessController.doPrivileged(
- new PrivilegedExceptionAction() {
-
- public Object run() throws IOException
- {
- InputStream versionStream = getClass().getResourceAsStream(ProductGenusNames.DNC_INFO);
-
- return ProductVersionHolder.getProductVersionHolderFromMyEnv(versionStream);
- }
- });
-
- return myPVH;
- }
+ // -------------------------- metrics ----------------------
+ // Not currently used by production builds.
+ // We can't really use this stuff with tracing enabled, the results are not accurate.
+
+ // -------------------------- compiled in properties -------------------------
+
+ public final static boolean enableNetConnectionPooling = true;
+
+ final static boolean rangeCheckCrossConverters = true;
+
+ // Define different levels of bug checking, for now turn all bits on.
+ final static int bugCheckLevel = 0xff;
+
+ // --------------------------- connection defaults ---------------------------
+
+ // This is the DERBY default and maps to DERBY's "Cursor Stability".
+ public final static int defaultIsolation = java.sql.Connection.TRANSACTION_READ_COMMITTED;
+
+ // ---------------------------- statement defaults----------------------------
+
+ public static final int defaultFetchSize = 64;
+
+ // Prepare attribute constants
+ public static final String cursorAttribute_SensitiveStatic = "SENSITIVE STATIC SCROLL ";
+ public static final String cursorAttribute_SensitiveStaticRowset = cursorAttribute_SensitiveStatic;
+ public static final String cursorAttribute_SensitiveDynamic = "SENSITIVE DYNAMIC SCROLL ";
+ public static final String cursorAttribute_SensitiveDynamicRowset = "SENSITIVE DYNAMIC SCROLL WITH ROWSET POSITIONING ";
+ public static final String cursorAttribute_Insensitive = "INSENSITIVE SCROLL ";
+ public static final String cursorAttribute_InsensitiveRowset = cursorAttribute_Insensitive;
+
+ // uncomment the following when we want to use multi-row fetch to support sensitive static and
+ // insensitve cursors whenever the server has support for it.
+ //public static final String cursorAttribute_SensitiveStaticRowset = "SENSITIVE STATIC SCROLL WITH ROWSET POSITIONING ";
+ //public static final String cursorAttribute_InsensitiveRowset = "INSENSITIVE SCROLL WITH ROWSET POSITIONING ";
+
+ public static final String cursorAttribute_ForUpdate = "FOR UPDATE ";
+ public static final String cursorAttribute_ForReadOnly = "FOR READ ONLY ";
+
+ public static final String cursorAttribute_WithHold = "WITH HOLD ";
+
+ // -----------------------Load resource bundles for the driver asap-----------
+
+ private static final String packageNameForDNC = "org.apache.derby.client";
+ private static final String classNameForResources = "org.apache.derby.client.resources.Resources";
+
+ public static SqlException exceptionsOnLoadResources = null; // used by ClientDriver to accumulate load exceptions
+ public static java.util.ResourceBundle dncResources__;
+
+ static {
+ try {
+ loadProductVersionHolder();
+ loadResources();
+ } catch (SqlException e) {
+ exceptionsOnLoadResources = e;
+ }
+ try {
+ jreLevel = System.getProperty("java.version");
+ } catch (SecurityException e) {
+ } // ignore it, assume 1.3.0
+ java.util.StringTokenizer st = new java.util.StringTokenizer(jreLevel, ".");
+ int jreState = 0;
+ while (st.hasMoreTokens()) {
+ int i;
+ try {
+ i = java.lang.Integer.parseInt(st.nextToken()); // get int value
+ } catch (NumberFormatException e) {
+ i = 0;
+ }
+ switch (jreState++) {
+ case 0:
+ jreLevelMajor = i; // state 0, this is the major version
+ break;
+ case 1:
+ jreLevelMinor = i; // state 1, this is the minor version
+ break;
+ default:
+ break; // state >1, ignore
+ }
+ }
+ }
+
+ private static void loadResources() throws SqlException {
+ try {
+ dncResources__ = (java.util.ResourceBundle) java.security.AccessController.doPrivileged(new org.apache.derby.client.am.GetResourceBundleAction(classNameForResources));
+ } catch (java.security.PrivilegedActionException e) {
+ throw new SqlException(null,
+ "[derby] " +
+ "PrivilegedActionException:" +
+ e.getException());
+ } catch (java.util.MissingResourceException e) {
+ // A null log writer is passed, because jdbc 1 sql exceptions are automatically traced
+ throw new SqlException(null,
+ "[derby] " +
+ "Missing resource bundle:" +
+ " a resource bundle could not be found" +
+ " in the " + packageNameForDNC + " package for " + Configuration.dncDriverName);
+ }
+ }
+
+ public static void checkForExceptionsFromLoadConfiguration(LogWriter dncLogWriter) throws SqlException {
+ if (dncResources__ == null) {
+ throw new SqlException(dncLogWriter,
+ "Missing resource bundle: a resource bundle could not be found" +
+ " in the " + Configuration.packageNameForDNC + " package for " + Configuration.dncDriverName);
+ }
+ }
+
+ /**
+ * load product version information and accumulate exceptions
+ */
+ private static void loadProductVersionHolder() throws SqlException {
+ try {
+ dncProductVersionHolder__ = buildProductVersionHolder();
+ } catch (java.security.PrivilegedActionException e) {
+ throw new SqlException(null,
+ "[derby] " +
+ "PrivilegedActionException:" +
+ e.getException());
+ } catch (java.io.IOException ioe) {
+ throw new SqlException(null,
+ "[derby] " +
+ "IOException:" +
+ ioe);
+ }
+ }
+
+
+ // Create ProductVersionHolder in security block for Java 2 security.
+ private static ProductVersionHolder buildProductVersionHolder() throws
+ java.security.PrivilegedActionException, IOException {
+ ProductVersionHolder myPVH = null;
+ myPVH = (ProductVersionHolder)
+ AccessController.doPrivileged(new PrivilegedExceptionAction() {
+
+ public Object run() throws IOException {
+ InputStream versionStream = getClass().getResourceAsStream(ProductGenusNames.DNC_INFO);
+
+ return ProductVersionHolder.getProductVersionHolderFromMyEnv(versionStream);
+ }
+ });
+
+ return myPVH;
+ }
}
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