diff --git a/Sda2/P/UnixSqlLdap/Jndi/usermanage/.gitignore b/Sda2/P/UnixSqlLdap/Jndi/usermanage/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..731eb433c5fbf213fcb10543efb586f044f69823
--- /dev/null
+++ b/Sda2/P/UnixSqlLdap/Jndi/usermanage/.gitignore
@@ -0,0 +1,2 @@
+/target/
+/.settings/
diff --git a/Sda2/P/UnixSqlLdap/Jndi/usermanage/Schema/divers.sql b/Sda2/P/UnixSqlLdap/Jndi/usermanage/Schema/divers.sql
new file mode 100644
index 0000000000000000000000000000000000000000..ebf5eef1cbcf492aea5f9bb2dd79f2ef07f841f1
--- /dev/null
+++ b/Sda2/P/UnixSqlLdap/Jndi/usermanage/Schema/divers.sql
@@ -0,0 +1,3 @@
+SELECT * from SysGroup;
+
+DELETE FROM SysGroup;
\ No newline at end of file
diff --git a/Sda2/P/UnixSqlLdap/Jndi/usermanage/Schema/schema.sql b/Sda2/P/UnixSqlLdap/Jndi/usermanage/Schema/schema.sql
new file mode 100644
index 0000000000000000000000000000000000000000..7872ea7d4c370fe3ce0c15ce8eb0920190bc1350
--- /dev/null
+++ b/Sda2/P/UnixSqlLdap/Jndi/usermanage/Schema/schema.sql
@@ -0,0 +1,29 @@
+DROP Table IF EXISTS SysUserGroup;
+DROP Table IF EXISTS SysUser;
+DROP Table IF EXISTS SysGroup;
+
+CREATE TABLE SysGroup ( -- The system's groups --
+ id INTEGER AUTO_INCREMENT PRIMARY KEY
+ ,gid CHAR(20) NOT NULL UNIQUE -- The groups unique name e.g. 'users' --
+ ,gidNumber INTEGER NOT NULL UNIQUE -- The groups unique numerical value e.g. 1332 --
+);
+
+UPDATE SysGroup SET id=20 WHERE id=2;
+
+CREATE TABLE SysUser (
+ id INTEGER AUTO_INCREMENT PRIMARY KEY
+ ,uid CHAR(20) NOT NULL UNIQUE -- The user's unique login name e.g. 'goik' --
+ ,uidNumber INTEGER NOT NULL UNIQUE -- The user's unique uid number value--
+ ,primaryGidNumber INTEGER NOT NULL -- The user's primary group --
+ REFERENCES SysGroup
+ ,cname VARCHAR(255) -- The user's common name e.g. 'Martin Goik' --
+ ,homeDirectory VARCHAR(255) NOT NULL -- The user's home directory e.g. '/home/goik' --
+ ,shell VARCHAR(255) NOT NULL -- The user's login shell e.g. '/bin/bash' --
+);
+
+CREATE TABLE SysUserGroup (
+ sysuser INTEGER NOT NULL REFERENCES SysUser
+ ,sysgroup INTEGER NOT NULL REFERENCES SysGroup
+ ,PRIMARY KEY(sysuser, sysgroup)
+)
+
diff --git a/Sda2/P/UnixSqlLdap/Jndi/usermanage/Testdata/group b/Sda2/P/UnixSqlLdap/Jndi/usermanage/Testdata/group
new file mode 100644
index 0000000000000000000000000000000000000000..aa788278df10559f377c7aeb7d32064addf0067c
--- /dev/null
+++ b/Sda2/P/UnixSqlLdap/Jndi/usermanage/Testdata/group
@@ -0,0 +1,6 @@
+root:x:0:
+daemon:x:1:julio,spinello
+users:x:30:
+admin:x:15:
+guest:x:3:
+extra:x:7:spinello
diff --git a/Sda2/P/UnixSqlLdap/Jndi/usermanage/Testdata/passwd b/Sda2/P/UnixSqlLdap/Jndi/usermanage/Testdata/passwd
new file mode 100644
index 0000000000000000000000000000000000000000..b1ad5da7097d0b63c83ca9999df3e00ca7ee9a45
--- /dev/null
+++ b/Sda2/P/UnixSqlLdap/Jndi/usermanage/Testdata/passwd
@@ -0,0 +1,10 @@
+root:x:0:0:root:/root:/bin/bash
+bruch:x:2:30:Niesha Bruch:/home/bruch:/bin/bash
+gastellum:x:3:30:Rueben Gastellum:/home/gastellum:/bin/tcsh
+julio:x:4:30:Dewitt Julio:/home/julio:/bin/bash
+spinello:x:7:15:Charisse Spinello:/home/spinello:/bin/bash
+devereux:x:10:30:Luisa Devereux:/home/devereux:/bin/tcsh
+sandlin:x:15:30:Domonique Sandlin:/home/sandlin:/bin/ksh
+elkan:x:12:3:Brynn Elkan:/guest/elkan:/bin/bash
+kham:x:17:3:Bettina Kham:/guest/kham:/bin/bash
+vanwyhe:x:18:30:Juan Vanwyhe:/home/vanwyhe:/bin/ksh
\ No newline at end of file
diff --git a/Sda2/P/UnixSqlLdap/Jndi/usermanage/pom.xml b/Sda2/P/UnixSqlLdap/Jndi/usermanage/pom.xml
new file mode 100644
index 0000000000000000000000000000000000000000..807dce048901c94bb4468361dd52019b1c70ae45
--- /dev/null
+++ b/Sda2/P/UnixSqlLdap/Jndi/usermanage/pom.xml
@@ -0,0 +1,52 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+
+ <groupId>de.hdm-stuttgart.mi.sda2</groupId>
+ <artifactId>usermanage</artifactId>
+ <version>0.9</version>
+ <packaging>jar</packaging>
+
+ <name>mi-maven-archetype-quickstart</name>
+ <url>http://mi.hdm-stuttgart.de</url>
+
+ <properties>
+ <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+ </properties>
+
+ <dependencies>
+ <dependency>
+ <groupId>log4j</groupId>
+ <artifactId>log4j</artifactId>
+ <version>1.2.17</version>
+ </dependency>
+
+ <dependency>
+ <groupId>junit</groupId>
+ <artifactId>junit</artifactId>
+ <version>4.11</version>
+ <scope>test</scope>
+ </dependency>
+
+ <dependency>
+ <groupId>mysql</groupId>
+ <artifactId>mysql-connector-java</artifactId>
+ <version>5.1.33</version>
+ </dependency>
+
+ </dependencies>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-compiler-plugin</artifactId>
+ <version>3.1</version>
+ <configuration>
+ <source>1.8</source>
+ <target>1.8</target>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+</project>
diff --git a/Sda2/P/UnixSqlLdap/Jndi/usermanage/src/main/java/de/hdm_stuttgart/mi/sda2/usermanage/Cfg.java b/Sda2/P/UnixSqlLdap/Jndi/usermanage/src/main/java/de/hdm_stuttgart/mi/sda2/usermanage/Cfg.java
new file mode 100644
index 0000000000000000000000000000000000000000..3553d993178ce798170fc03b5048e10881a17c05
--- /dev/null
+++ b/Sda2/P/UnixSqlLdap/Jndi/usermanage/src/main/java/de/hdm_stuttgart/mi/sda2/usermanage/Cfg.java
@@ -0,0 +1,22 @@
+package de.hdm_stuttgart.mi.sda2.usermanage;
+
+import java.util.MissingResourceException;
+import java.util.ResourceBundle;
+
+public class Cfg {
+ private static final String BUNDLE_NAME = "de.hdm_stuttgart.mi.sda2.usermanage.jdbc"; //$NON-NLS-1$
+
+ private static final ResourceBundle RESOURCE_BUNDLE = ResourceBundle
+ .getBundle(BUNDLE_NAME);
+
+ private Cfg() {
+ }
+
+ public static String get(String key) {
+ try {
+ return RESOURCE_BUNDLE.getString(key);
+ } catch (MissingResourceException e) {
+ return '!' + key + '!';
+ }
+ }
+}
diff --git a/Sda2/P/UnixSqlLdap/Jndi/usermanage/src/main/java/de/hdm_stuttgart/mi/sda2/usermanage/Driver.java b/Sda2/P/UnixSqlLdap/Jndi/usermanage/src/main/java/de/hdm_stuttgart/mi/sda2/usermanage/Driver.java
new file mode 100644
index 0000000000000000000000000000000000000000..e497dfa0f0a398c21f0d35a9b3ac6149ce664203
--- /dev/null
+++ b/Sda2/P/UnixSqlLdap/Jndi/usermanage/src/main/java/de/hdm_stuttgart/mi/sda2/usermanage/Driver.java
@@ -0,0 +1,30 @@
+package de.hdm_stuttgart.mi.sda2.usermanage;
+
+import java.sql.SQLException;
+
+import de.hdm_stuttgart.mi.sda2.usermanage.parse.ParseError;
+import de.hdm_stuttgart.mi.sda2.usermanage.parse.Parser;
+import de.hdm_stuttgart.mi.sda2.usermanage.rdbms.RdbmsHandler;
+
+/**
+ *
+ *
+ */
+public class Driver {
+ public static void main(String[] args) {
+ try {
+ final RdbmsHandler dbHandler = new RdbmsHandler();
+ dbHandler.connect();
+ final Parser parser = new Parser(dbHandler, "Testdata/group", "Testdata/passwd");
+ parser.insertData();
+
+ } catch (ParseError e) {
+ System.err.println(e.getMessage());
+ System.exit(1);
+ } catch (SQLException e) {
+ System.err.println("Unable to connect to database server");
+ System.exit(1);
+ }
+ }
+
+}
diff --git a/Sda2/P/UnixSqlLdap/Jndi/usermanage/src/main/java/de/hdm_stuttgart/mi/sda2/usermanage/jdbc.properties b/Sda2/P/UnixSqlLdap/Jndi/usermanage/src/main/java/de/hdm_stuttgart/mi/sda2/usermanage/jdbc.properties
new file mode 100644
index 0000000000000000000000000000000000000000..055e35c0bca3529c5a2864c33273cfabdcd2f392
--- /dev/null
+++ b/Sda2/P/UnixSqlLdap/Jndi/usermanage/src/main/java/de/hdm_stuttgart/mi/sda2/usermanage/jdbc.properties
@@ -0,0 +1,6 @@
+RdbmsHandler.driverClassName=com.mysql.jdbc.Driver
+
+# See http://stackoverflow.com/questions/2993251/jdbc-batch-insert-performance
+RdbmsHandler.jdbcUrl=jdbc:mysql://localhost:3306/hdm?rewriteBatchedStatements=true
+RdbmsHandler.password=XYZ
+RdbmsHandler.user=hdmuser
diff --git a/Sda2/P/UnixSqlLdap/Jndi/usermanage/src/main/java/de/hdm_stuttgart/mi/sda2/usermanage/parse/Group.java b/Sda2/P/UnixSqlLdap/Jndi/usermanage/src/main/java/de/hdm_stuttgart/mi/sda2/usermanage/parse/Group.java
new file mode 100644
index 0000000000000000000000000000000000000000..887b028e1e6592c4d9636468c02ac515904fd5de
--- /dev/null
+++ b/Sda2/P/UnixSqlLdap/Jndi/usermanage/src/main/java/de/hdm_stuttgart/mi/sda2/usermanage/parse/Group.java
@@ -0,0 +1,75 @@
+package de.hdm_stuttgart.mi.sda2.usermanage.parse;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
+import org.apache.log4j.Logger;
+
+public class Group {
+
+ private static Logger log = Logger
+ .getLogger(Group.class);
+
+ public static final Map<String, Set<Group>> secondaryGroupsByUid = new HashMap<String, Set<Group>>();
+ public static final Set<Group> groups = new HashSet<Group>();
+
+ public Group(final String groupLine, int row)
+ throws ParseError {
+
+ log.debug("Parsing group file line " + row + ":" + groupLine);
+
+ int csvIndex = 0;
+ final String [] components = groupLine.split(":");
+ log.debug("Found " + components.length + " CSV components");
+
+ // row 1
+ gid = components[csvIndex++];
+
+ csvIndex++; // We ignore the second CSV entry ("x") in row 2
+
+ // row 3
+ try {
+ gidNumber = Integer.parseInt(components[csvIndex++]);
+ } catch (NumberFormatException e) {
+
+ throw new ParseError("is not an integer (group)", row, csvIndex, components[csvIndex]);
+ }
+
+ // Optional row 4
+ if (4 == components.length) { // Secondary memberships
+ for (String uid : components[csvIndex++].split(",")) {
+ log.debug("Adding secondary user '" + uid + "' to group '" + gid + "'");
+ Set<Group> secondaryGroups = secondaryGroupsByUid.get(uid);
+ if (null == secondaryGroups) {
+ secondaryGroups = new HashSet<Group>();
+ secondaryGroupsByUid.put(uid, secondaryGroups);
+ }
+ secondaryGroups.add(this);
+ }
+ }
+ groups.add(this);
+ }
+ public final String gid;
+ public final int gidNumber;
+ private int databaseId = 0;
+
+ public int getDatabaseId() {
+ return databaseId;
+ }
+ public void setDatabaseId(int databaseId) {
+ this.databaseId = databaseId;
+ }
+ @Override
+ public int hashCode() {
+ return gidNumber;
+ }
+ @Override
+ public boolean equals(Object obj) {
+ if (obj instanceof Group) {
+ return gidNumber == ((Group)obj).gidNumber;
+ }
+ return super.equals(obj);
+ }
+}
diff --git a/Sda2/P/UnixSqlLdap/Jndi/usermanage/src/main/java/de/hdm_stuttgart/mi/sda2/usermanage/parse/ParseError.java b/Sda2/P/UnixSqlLdap/Jndi/usermanage/src/main/java/de/hdm_stuttgart/mi/sda2/usermanage/parse/ParseError.java
new file mode 100644
index 0000000000000000000000000000000000000000..15f4219d70fda617dbbbc9ecbf1c6c2006f9045b
--- /dev/null
+++ b/Sda2/P/UnixSqlLdap/Jndi/usermanage/src/main/java/de/hdm_stuttgart/mi/sda2/usermanage/parse/ParseError.java
@@ -0,0 +1,18 @@
+package de.hdm_stuttgart.mi.sda2.usermanage.parse;
+
+public class ParseError extends Exception {
+
+ private static final long serialVersionUID = -4595401874181463130L;
+
+ public ParseError(final String msg) {
+ super(msg);
+ }
+
+ public ParseError(final String explain, final int row, final int index,
+ final String fieldValue) {
+
+ super("Line " + row + ", field " + index + ": Value " + fieldValue
+ + " " + explain);
+
+ }
+}
diff --git a/Sda2/P/UnixSqlLdap/Jndi/usermanage/src/main/java/de/hdm_stuttgart/mi/sda2/usermanage/parse/Parser.java b/Sda2/P/UnixSqlLdap/Jndi/usermanage/src/main/java/de/hdm_stuttgart/mi/sda2/usermanage/parse/Parser.java
new file mode 100644
index 0000000000000000000000000000000000000000..4d57a6639c1d1d5fecb111f4feabff86648093ae
--- /dev/null
+++ b/Sda2/P/UnixSqlLdap/Jndi/usermanage/src/main/java/de/hdm_stuttgart/mi/sda2/usermanage/parse/Parser.java
@@ -0,0 +1,47 @@
+package de.hdm_stuttgart.mi.sda2.usermanage.parse;
+
+import java.io.BufferedReader;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.IOException;
+
+
+import de.hdm_stuttgart.mi.sda2.usermanage.rdbms.RdbmsHandler;
+
+public class Parser {
+
+
+ final RdbmsHandler rdbmsHandler;
+
+ public Parser(final RdbmsHandler rdbmsHandler, final String groupFile, final String passwdFile)
+ throws ParseError {
+ this.rdbmsHandler = rdbmsHandler;
+
+ final BufferedReader groupStream = openFile(groupFile);
+
+ try {
+ String line;
+ int lineNo = 1;
+ while ( null != (line = groupStream.readLine())){
+ new Group(line, lineNo++);
+ }
+ } catch (IOException e) {
+ throw new ParseError("Unable to read from file '" +
+ groupFile+ "'");
+ }
+ }
+
+ public void insertData() {
+ rdbmsHandler.addGroups(Group.groups);
+ }
+
+ BufferedReader openFile (final String filename)
+ throws ParseError {
+ try {
+ return new BufferedReader(new FileReader(filename));
+ } catch (FileNotFoundException e) {
+ throw new ParseError("Unable to open file '" + filename + "' for reading");
+ }
+ }
+
+}
diff --git a/Sda2/P/UnixSqlLdap/Jndi/usermanage/src/main/java/de/hdm_stuttgart/mi/sda2/usermanage/parse/User.java b/Sda2/P/UnixSqlLdap/Jndi/usermanage/src/main/java/de/hdm_stuttgart/mi/sda2/usermanage/parse/User.java
new file mode 100644
index 0000000000000000000000000000000000000000..0d8ed37d6e47dad594f88027703c84d3f9498463
--- /dev/null
+++ b/Sda2/P/UnixSqlLdap/Jndi/usermanage/src/main/java/de/hdm_stuttgart/mi/sda2/usermanage/parse/User.java
@@ -0,0 +1,54 @@
+package de.hdm_stuttgart.mi.sda2.usermanage.parse;
+
+public class User {
+
+
+ public User(final String passwdLine, int row)
+ throws ParseError {
+
+ int csvIndex = 0;
+ final String [] components = passwdLine.split(":");
+
+ if (7 != components.length) {
+
+ }
+
+ // row 1
+ uid = components[csvIndex++];
+
+ csvIndex++; // We ignore the second CSV entry ("x") in row 2
+
+ // row 3
+ try {
+ uidNumber = Integer.parseInt(components[csvIndex++]);
+ } catch (NumberFormatException e) {
+
+ throw new ParseError("is not an integer (passwd)", row, csvIndex, components[csvIndex]);
+ }
+
+ // row 4
+ try {
+ gidNumber = Integer.parseInt(components[csvIndex++]);
+ } catch (NumberFormatException e) {
+
+ throw new ParseError("is not an integer (passwd)", row, csvIndex, components[csvIndex]);
+ }
+
+ // row 5
+ cname = components[csvIndex++];
+
+ // row 6
+ homeDirectory = components[csvIndex++];
+
+ // row 7
+ shell= components[csvIndex++];
+ }
+
+ public final String uid;
+ public final int uidNumber;
+ public final int gidNumber;
+ public final String cname;
+ public final String homeDirectory;
+ public final String shell;
+
+}
diff --git a/Sda2/P/UnixSqlLdap/Jndi/usermanage/src/main/java/de/hdm_stuttgart/mi/sda2/usermanage/rdbms/RdbmsHandler.java b/Sda2/P/UnixSqlLdap/Jndi/usermanage/src/main/java/de/hdm_stuttgart/mi/sda2/usermanage/rdbms/RdbmsHandler.java
new file mode 100644
index 0000000000000000000000000000000000000000..591c90da6f5e619aa42b80475584d7b8c0bf58af
--- /dev/null
+++ b/Sda2/P/UnixSqlLdap/Jndi/usermanage/src/main/java/de/hdm_stuttgart/mi/sda2/usermanage/rdbms/RdbmsHandler.java
@@ -0,0 +1,74 @@
+package de.hdm_stuttgart.mi.sda2.usermanage.rdbms;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.util.Set;
+
+import org.apache.log4j.Logger;
+
+import de.hdm_stuttgart.mi.sda2.usermanage.Cfg;
+import de.hdm_stuttgart.mi.sda2.usermanage.parse.Group;
+
+public class RdbmsHandler {
+
+ private static Logger log = Logger
+ .getLogger(RdbmsHandler.class);
+
+
+ private final String insertGroupSql = "INSERT INTO SysGroup (gid, gidNumber) VALUES (? , ?)";
+
+ private PreparedStatement insertGroupStmt;
+
+ static {
+ try {
+ Class.forName(Cfg.get("RdbmsHandler.driverClassName"));
+ } catch (ClassNotFoundException e) {
+ System.err.println("Unable to register JDBC driver '"
+ + Cfg.get("RdbmsHandler.jdbcUrl") + "'");
+ System.exit(1);
+ }
+ }
+
+ Connection conn = null;
+
+ public void connect() throws SQLException {
+ if (null != conn) {
+ conn.rollback();
+ conn.close();
+ }
+ conn = DriverManager.getConnection(Cfg.get("RdbmsHandler.jdbcUrl"),
+ Cfg.get("RdbmsHandler.user"), Cfg.get("RdbmsHandler.password"));
+ conn.setAutoCommit(false);
+ insertGroupStmt = conn.prepareStatement(insertGroupSql, Statement.RETURN_GENERATED_KEYS);
+ }
+
+ public void addGroups(final Set<Group> groups) {
+ try {
+ for (final Group g : groups) {
+ insertGroupStmt.setString(1, g.gid);
+ insertGroupStmt.setInt(2, g.gidNumber);
+ insertGroupStmt.executeUpdate();
+ addGeneratedId(insertGroupStmt, g);
+ }
+ conn.commit();
+ } catch (SQLException e) {
+ e.printStackTrace();
+ }
+ }
+ static void addGeneratedId(final PreparedStatement stmt, final Group group)
+ throws SQLException {
+ final ResultSet rs = stmt.getGeneratedKeys();
+ if (rs.next()) {
+ final int ret = rs.getInt(1);
+ log.info("Generated id=" + ret);
+ group.setDatabaseId(ret);
+ } else {
+ log.fatal("No id found for group '" + group.gid + "', exiting!");
+ System.exit(1);
+ }
+ }
+}
diff --git a/Sda2/P/UnixSqlLdap/Jndi/usermanage/src/main/java/log4j.properties b/Sda2/P/UnixSqlLdap/Jndi/usermanage/src/main/java/log4j.properties
new file mode 100644
index 0000000000000000000000000000000000000000..4c03813af62d7dd8eb693208a2420a191dd36c26
--- /dev/null
+++ b/Sda2/P/UnixSqlLdap/Jndi/usermanage/src/main/java/log4j.properties
@@ -0,0 +1,13 @@
+#Set root logger level to DEBUG and its only appender to A1.
+log4j.rootLogger=DEBUG, A1
+
+# A1 is set to be a ConsoleAppender.
+log4j.appender.A1=org.apache.log4j.ConsoleAppender
+
+# A1 uses PatternLayout.
+log4j.appender.A1.layout=org.apache.log4j.PatternLayout
+log4j.appender.A1.layout.ConversionPattern=%p: %m at %c.%M(%C{1}.java:%L)%n
+
+
+# Specific log level per-class/package rules
+#log4j.logger.de.hdm_stuttgart.mi.sda2.usermanage.parse.Group=INFO
diff --git a/Sda2/P/UnixSqlLdap/Jndi/usermanage/src/test/java/de/hdm_stuttgart/mi/sda2/usermanage/UserTest.java b/Sda2/P/UnixSqlLdap/Jndi/usermanage/src/test/java/de/hdm_stuttgart/mi/sda2/usermanage/UserTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..2aa735b375be6a10cade01c48515750c6d1f0d56
--- /dev/null
+++ b/Sda2/P/UnixSqlLdap/Jndi/usermanage/src/test/java/de/hdm_stuttgart/mi/sda2/usermanage/UserTest.java
@@ -0,0 +1,14 @@
+package de.hdm_stuttgart.mi.sda2.usermanage;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * Unit test for simple App.
+ */
+public class UserTest {
+ @Test
+ public void testApp() {
+ Assert.assertTrue( true );
+ }
+}