From f1fbf171c63fce59360e3bf24151dc271ef8eb27 Mon Sep 17 00:00:00 2001
From: Martin Goik <goik@hdm-stuttgart.de>
Date: Fri, 19 Jun 2015 10:05:14 +0200
Subject: [PATCH] New exercises
---
P/Sd1/NonsenseGenerator/.gitignore | 5 +
P/Sd1/NonsenseGenerator/pom.xml | 22 +++
.../mi/nonsense/BoundedRandomGenerator.java | 20 +++
.../de/hdm_stuttgart/mi/nonsense/Driver.java | 18 +++
.../mi/nonsense/MyRandomGenerator.java | 19 +++
.../mi/nonsense/NonsenseGenerator.java | 64 ++++++++
.../src/main/resources/log4j2.xml | 21 +++
.../mi/sd1/nonsenseGenerator/AppTest.java | 15 ++
P/Sda1/catalog2rdbmsPrepare/.gitignore | 5 +
.../catalog2rdbmsPrepare/Schema/catalog.xsd | 27 ++++
P/Sda1/catalog2rdbmsPrepare/Schema/schema.sql | 27 ++++
P/Sda1/catalog2rdbmsPrepare/pom.xml | 50 +++++++
P/Sda1/catalog2rdbmsPrepare/products.xml | 17 +++
.../mi/sda1/catalog2sql/DataInsert.java | 86 +++++++++++
.../mi/sda1/catalog2sql/Helper.java | 18 +++
.../mi/sda1/catalog2sql/Messages.java | 22 +++
.../mi/sda1/catalog2sql/Xml2Rdbms.java | 87 +++++++++++
.../handler/CatalogContentHandler.java | 137 ++++++++++++++++++
.../mi/sda1/catalog2sql/messages.properties | 17 +++
.../src/main/resources/log4j2.xml | 21 +++
P/pom.xml | 2 +
21 files changed, 700 insertions(+)
create mode 100644 P/Sd1/NonsenseGenerator/.gitignore
create mode 100644 P/Sd1/NonsenseGenerator/pom.xml
create mode 100644 P/Sd1/NonsenseGenerator/src/main/java/de/hdm_stuttgart/mi/nonsense/BoundedRandomGenerator.java
create mode 100644 P/Sd1/NonsenseGenerator/src/main/java/de/hdm_stuttgart/mi/nonsense/Driver.java
create mode 100644 P/Sd1/NonsenseGenerator/src/main/java/de/hdm_stuttgart/mi/nonsense/MyRandomGenerator.java
create mode 100644 P/Sd1/NonsenseGenerator/src/main/java/de/hdm_stuttgart/mi/nonsense/NonsenseGenerator.java
create mode 100644 P/Sd1/NonsenseGenerator/src/main/resources/log4j2.xml
create mode 100644 P/Sd1/NonsenseGenerator/src/test/java/de/hdm_stuttgart/mi/sd1/nonsenseGenerator/AppTest.java
create mode 100644 P/Sda1/catalog2rdbmsPrepare/.gitignore
create mode 100644 P/Sda1/catalog2rdbmsPrepare/Schema/catalog.xsd
create mode 100644 P/Sda1/catalog2rdbmsPrepare/Schema/schema.sql
create mode 100644 P/Sda1/catalog2rdbmsPrepare/pom.xml
create mode 100644 P/Sda1/catalog2rdbmsPrepare/products.xml
create mode 100644 P/Sda1/catalog2rdbmsPrepare/src/main/java/de/hdm_stuttgart/mi/sda1/catalog2sql/DataInsert.java
create mode 100644 P/Sda1/catalog2rdbmsPrepare/src/main/java/de/hdm_stuttgart/mi/sda1/catalog2sql/Helper.java
create mode 100644 P/Sda1/catalog2rdbmsPrepare/src/main/java/de/hdm_stuttgart/mi/sda1/catalog2sql/Messages.java
create mode 100644 P/Sda1/catalog2rdbmsPrepare/src/main/java/de/hdm_stuttgart/mi/sda1/catalog2sql/Xml2Rdbms.java
create mode 100644 P/Sda1/catalog2rdbmsPrepare/src/main/java/de/hdm_stuttgart/mi/sda1/catalog2sql/handler/CatalogContentHandler.java
create mode 100644 P/Sda1/catalog2rdbmsPrepare/src/main/java/de/hdm_stuttgart/mi/sda1/catalog2sql/messages.properties
create mode 100644 P/Sda1/catalog2rdbmsPrepare/src/main/resources/log4j2.xml
diff --git a/P/Sd1/NonsenseGenerator/.gitignore b/P/Sd1/NonsenseGenerator/.gitignore
new file mode 100644
index 000000000..60016e96d
--- /dev/null
+++ b/P/Sd1/NonsenseGenerator/.gitignore
@@ -0,0 +1,5 @@
+/target/
+/.settings/
+.classpath
+.project
+A1.log
diff --git a/P/Sd1/NonsenseGenerator/pom.xml b/P/Sd1/NonsenseGenerator/pom.xml
new file mode 100644
index 000000000..c3b6e8464
--- /dev/null
+++ b/P/Sd1/NonsenseGenerator/pom.xml
@@ -0,0 +1,22 @@
+<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>
+
+ <parent>
+ <groupId>de.hdm-stuttgart.mi</groupId>
+ <artifactId>lecturenotes-pom</artifactId>
+ <version>1.0</version>
+
+ <relativePath>../../pom.xml</relativePath>
+ </parent>
+
+ <groupId>de.hdm-stuttgart.mi.sd1</groupId>
+ <artifactId>nonsensegenerator</artifactId>
+ <version>0.9</version>
+ <packaging>jar</packaging>
+
+ <name>Nonsensegenerator</name>
+
+ <url>http://www.mi.hdm-stuttgart.de/freedocs</url>
+
+</project>
diff --git a/P/Sd1/NonsenseGenerator/src/main/java/de/hdm_stuttgart/mi/nonsense/BoundedRandomGenerator.java b/P/Sd1/NonsenseGenerator/src/main/java/de/hdm_stuttgart/mi/nonsense/BoundedRandomGenerator.java
new file mode 100644
index 000000000..4da2c78ca
--- /dev/null
+++ b/P/Sd1/NonsenseGenerator/src/main/java/de/hdm_stuttgart/mi/nonsense/BoundedRandomGenerator.java
@@ -0,0 +1,20 @@
+package de.hdm_stuttgart.mi.nonsense;
+
+/**
+ * A random generator providing values within a specified bound
+ *
+ */
+public interface BoundedRandomGenerator {
+ /**
+ * Create a (pseudo) random number X within the following range:
+ *
+ * 0 <= X < bound
+ *
+ * Thus specifying bound=3 will return a random value being either 0, 1 or 2.
+ *
+ * @param bound The desired upper bound (exclusive)
+ *
+ * @return A random value being limited by the bound argument.
+ */
+ public int getRandomValue(int bound);
+}
diff --git a/P/Sd1/NonsenseGenerator/src/main/java/de/hdm_stuttgart/mi/nonsense/Driver.java b/P/Sd1/NonsenseGenerator/src/main/java/de/hdm_stuttgart/mi/nonsense/Driver.java
new file mode 100644
index 000000000..8bd7be887
--- /dev/null
+++ b/P/Sd1/NonsenseGenerator/src/main/java/de/hdm_stuttgart/mi/nonsense/Driver.java
@@ -0,0 +1,18 @@
+package de.hdm_stuttgart.mi.nonsense;
+
+/**
+ * A driver class for generating random sentences
+ *
+ */
+public class Driver {
+
+ /**
+ * @param args unused
+ */
+ public static void main(String[] args) {
+ NonsenseGenerator ng = new NonsenseGenerator(new MyRandomGenerator());
+ for (int i = 1; i < 5; i++) {
+ System.out.println(ng.generateRandomSentence());
+ }
+ }
+}
diff --git a/P/Sd1/NonsenseGenerator/src/main/java/de/hdm_stuttgart/mi/nonsense/MyRandomGenerator.java b/P/Sd1/NonsenseGenerator/src/main/java/de/hdm_stuttgart/mi/nonsense/MyRandomGenerator.java
new file mode 100644
index 000000000..6224bcbaf
--- /dev/null
+++ b/P/Sd1/NonsenseGenerator/src/main/java/de/hdm_stuttgart/mi/nonsense/MyRandomGenerator.java
@@ -0,0 +1,19 @@
+package de.hdm_stuttgart.mi.nonsense;
+
+import java.util.Random;
+
+/**
+ * Wrapping Java's standard random generator. The purpose is just providing
+ * a flexible means to supply a different implementation.
+ *
+ */
+public class MyRandomGenerator implements BoundedRandomGenerator {
+
+ final Random randomGenerator = new Random();
+
+ @Override
+ public int getRandomValue(int bound) {
+ return randomGenerator.nextInt(bound);
+ }
+
+}
diff --git a/P/Sd1/NonsenseGenerator/src/main/java/de/hdm_stuttgart/mi/nonsense/NonsenseGenerator.java b/P/Sd1/NonsenseGenerator/src/main/java/de/hdm_stuttgart/mi/nonsense/NonsenseGenerator.java
new file mode 100644
index 000000000..8650dc705
--- /dev/null
+++ b/P/Sd1/NonsenseGenerator/src/main/java/de/hdm_stuttgart/mi/nonsense/NonsenseGenerator.java
@@ -0,0 +1,64 @@
+package de.hdm_stuttgart.mi.nonsense;
+
+/**
+ *
+ *
+ */
+public class NonsenseGenerator {
+
+ /**
+ * Using a specified random number generator implementation.
+ *
+ * @param boundedRandomGenerator
+ */
+ public NonsenseGenerator(final BoundedRandomGenerator boundedRandomGenerator) {
+ this.boundedRandomGenerator = boundedRandomGenerator;
+ }
+
+ final BoundedRandomGenerator boundedRandomGenerator;
+
+
+
+ private static final String[] THINGS = { "bottle", "bowl", "brick", "building", "bunny", "cake", "car", "cat", "cup",
+ "desk", "dog", "duck", "elephant", "engineer", "fork", "glass", "griffon", "hat", "key", "knife", "lawyer",
+ "llama", "manual", "meat", "monitor", "mouse", "tangerine", "paper", "pear", "pen", "pencil", "phone",
+ "physicist", "planet", "potato", "road", "salad", "shoe", "slipper", "soup", "spoon", "star", "steak", "table",
+ "terminal", "treehouse", "truck", "watermelon", "window" };
+
+ private static final String[] ADJECTIVES = { "red", "green", "yellow", "gray", "solid", "fierce", "friendly",
+ "cowardly", "convenient", "foreign", "national", "tall", "short", "metallic", "golden", "silver", "sweet",
+ "nationwide", "competitive", "stable", "municipal", "famous" };
+
+ private static final String[] VERBS_PRESENT = { "accuses", "threatens", "warns", "speaks to", "meets with", "seen with",
+ "advances towards", "collapses on", "signs partnership with", "converts into", "becomes",
+ "is authorized to sell", "sells", "buys", "rents", "allegedly speaks to", "leases", "invests on",
+ "expected to buy", "expected to sell", "reported to have met with", "works together with",
+ "plans cease fire against", "starts war with", "signs truce with", "now manages" };
+
+ /**
+ * Randomly creating a (typically nonsense) sentence.
+ * @return The random string.
+ */
+ public String generateRandomSentence() {
+
+ final StringBuffer buffer = new StringBuffer();
+ buffer.append("The ");
+ buffer.append(choose(ADJECTIVES));
+ buffer.append(" ");
+ buffer.append(choose(THINGS));
+ buffer.append(" ");
+ buffer.append(choose(VERBS_PRESENT));
+ buffer.append(" a ");
+ buffer.append(choose(THINGS));
+ buffer.append(".");
+
+ return buffer.toString();
+ }
+
+ String choose(final String[] strings) {
+
+ return strings[boundedRandomGenerator.getRandomValue(strings.length)];
+
+ }
+
+}
diff --git a/P/Sd1/NonsenseGenerator/src/main/resources/log4j2.xml b/P/Sd1/NonsenseGenerator/src/main/resources/log4j2.xml
new file mode 100644
index 000000000..f149b1b40
--- /dev/null
+++ b/P/Sd1/NonsenseGenerator/src/main/resources/log4j2.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Configuration>
+ <Appenders>
+ <File name="A1" fileName="A1.log" append="false">
+ <PatternLayout pattern="%t %-5p %c{2} - %m%n"/>
+ </File>
+ <Console name="STDOUT" target="SYSTEM_OUT">
+ <PatternLayout pattern="%d %-5p [%t] %C{2} (%F:%L) - %m%n"/>
+ </Console>
+ </Appenders>
+ <Loggers>
+
+ <!-- You my want to define class or package level per-logger rules -->
+ <Logger name="de.hdm_stuttgart.mi.sd1.plot.App" level="debug">
+ <AppenderRef ref="A1"/>
+ </Logger>
+ <Root level="info">
+ <AppenderRef ref="STDOUT"/>
+ </Root>
+ </Loggers>
+</Configuration>
\ No newline at end of file
diff --git a/P/Sd1/NonsenseGenerator/src/test/java/de/hdm_stuttgart/mi/sd1/nonsenseGenerator/AppTest.java b/P/Sd1/NonsenseGenerator/src/test/java/de/hdm_stuttgart/mi/sd1/nonsenseGenerator/AppTest.java
new file mode 100644
index 000000000..8b1c55bdc
--- /dev/null
+++ b/P/Sd1/NonsenseGenerator/src/test/java/de/hdm_stuttgart/mi/sd1/nonsenseGenerator/AppTest.java
@@ -0,0 +1,15 @@
+package de.hdm_stuttgart.mi.sd1.nonsenseGenerator;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ */
+public class AppTest {
+ /**
+ */
+ @Test
+ public void testApp() {
+ Assert.assertTrue( true );
+ }
+}
diff --git a/P/Sda1/catalog2rdbmsPrepare/.gitignore b/P/Sda1/catalog2rdbmsPrepare/.gitignore
new file mode 100644
index 000000000..660be2a5f
--- /dev/null
+++ b/P/Sda1/catalog2rdbmsPrepare/.gitignore
@@ -0,0 +1,5 @@
+.project
+.classpath
+/.settings/
+/target/
+A1.log
\ No newline at end of file
diff --git a/P/Sda1/catalog2rdbmsPrepare/Schema/catalog.xsd b/P/Sda1/catalog2rdbmsPrepare/Schema/catalog.xsd
new file mode 100644
index 000000000..9df8b8626
--- /dev/null
+++ b/P/Sda1/catalog2rdbmsPrepare/Schema/catalog.xsd
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified">
+
+ <xs:element name="catalog">
+ <xs:complexType>
+ <xs:sequence>
+ <xs:element ref="product" minOccurs="0" maxOccurs="unbounded"/>
+ </xs:sequence>
+ </xs:complexType>
+ <xs:key name="uniqueProductId">
+ <xs:selector xpath="product"/>
+ <xs:field xpath="@id"/>
+ </xs:key>
+ </xs:element>
+
+ <xs:element name="product">
+ <xs:complexType>
+ <xs:sequence>
+ <xs:element name="name" type="xs:string"/>
+ <xs:element name="description" type="xs:string" minOccurs="0" maxOccurs="unbounded"/>
+ <xs:element name="age" type="xs:int" minOccurs="0" maxOccurs="1"/>
+ </xs:sequence>
+ <xs:attribute name="id" type="xs:int" use="required"/>
+ </xs:complexType>
+ </xs:element>
+
+</xs:schema>
diff --git a/P/Sda1/catalog2rdbmsPrepare/Schema/schema.sql b/P/Sda1/catalog2rdbmsPrepare/Schema/schema.sql
new file mode 100644
index 000000000..b4c82d7c2
--- /dev/null
+++ b/P/Sda1/catalog2rdbmsPrepare/Schema/schema.sql
@@ -0,0 +1,27 @@
+DROP TABLE IF EXISTS Description;
+DROP TABLE IF EXISTS Product;
+
+CREATE TABLE Product (
+ id INTEGER NOT NULL PRIMARY KEY
+ ,name VARCHAR(255) NOT NULL
+ ,age SMALLINT
+);
+
+CREATE TABLE Description (
+ product INTEGER NOT NULL REFERENCES Product
+ ,orderIndex int NOT NULL -- preserving the order of descriptions belonging to a given product
+ ,text VARCHAR(255) NOT NULL
+ ,UNIQUE(product, orderIndex)
+);
+
+-- example data corresponding to products.xml --
+
+-- Product lacking age property --
+INSERT INTO Product (id, name) VALUES (1, 'Monkey Picked Tea');
+INSERT INTO Description VALUES(1, 1, 'Picked only by specially trained monkeys');
+INSERT INTO Description VALUES(1, 2, 'Rare wild Chinese tea');
+
+INSERT INTO Product VALUES (2, '4-Person Instant Tent', 15);
+INSERT INTO Description VALUES(2, 0, 'Exclusive WeatherTec system.');
+INSERT INTO Description VALUES(2, 1, '4-person, 1-room tent');
+INSERT INTO Description VALUES(2, 2, 'Pre-attached tent poles');
diff --git a/P/Sda1/catalog2rdbmsPrepare/pom.xml b/P/Sda1/catalog2rdbmsPrepare/pom.xml
new file mode 100644
index 000000000..b0303e6ed
--- /dev/null
+++ b/P/Sda1/catalog2rdbmsPrepare/pom.xml
@@ -0,0 +1,50 @@
+<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>
+
+ <parent>
+ <groupId>de.hdm-stuttgart.mi</groupId>
+ <artifactId>lecturenotes-pom</artifactId>
+ <version>1.0</version>
+
+ <relativePath>../../pom.xml</relativePath>
+ </parent>
+
+ <groupId>de.hdm-stuttgart.mi.sda1</groupId>
+ <artifactId>catalog2rdbms</artifactId>
+ <version>0.8</version>
+ <packaging>jar</packaging>
+
+ <name>catalog2rdbms</name>
+
+ <url>http://www.mi.hdm-stuttgart.de/freedocs</url>
+
+ <dependencies>
+
+ <dependency>
+ <groupId>org.apache.logging.log4j</groupId>
+ <artifactId>log4j-api</artifactId>
+ <version>2.1</version>
+ </dependency>
+
+ <dependency>
+ <groupId>org.apache.logging.log4j</groupId>
+ <artifactId>log4j-core</artifactId>
+ <version>2.1</version>
+ </dependency>
+
+ <dependency>
+ <groupId>de.hdm-stuttgart.mi.sda1</groupId>
+ <artifactId>saxerrorhandler</artifactId>
+ <version>0.8</version>
+ </dependency>
+
+ <dependency>
+ <groupId>mysql</groupId>
+ <artifactId>mysql-connector-java</artifactId>
+ <version>5.1.34</version>
+ </dependency>
+
+ </dependencies>
+
+</project>
diff --git a/P/Sda1/catalog2rdbmsPrepare/products.xml b/P/Sda1/catalog2rdbmsPrepare/products.xml
new file mode 100644
index 000000000..15000ab5d
--- /dev/null
+++ b/P/Sda1/catalog2rdbmsPrepare/products.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<catalog xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:noNamespaceSchemaLocation="Schema/catalog.xsd">
+ <product id="17">
+ <name>Monkey Picked Tea</name>
+ <description>Rare wild Chinese tea</description>
+ <description>Picked only by specially trained monkeys</description>
+ </product>
+ <product id="42">
+ <name>4-Person Instant Tent</name>
+ <description>4-person, 1-room tent</description>
+ <description>Pre-attached tent poles</description>
+ <description>Exclusive WeatherTec system.</description>
+ <age>15</age>
+ </product>
+</catalog>
\ No newline at end of file
diff --git a/P/Sda1/catalog2rdbmsPrepare/src/main/java/de/hdm_stuttgart/mi/sda1/catalog2sql/DataInsert.java b/P/Sda1/catalog2rdbmsPrepare/src/main/java/de/hdm_stuttgart/mi/sda1/catalog2sql/DataInsert.java
new file mode 100644
index 000000000..41c4a28db
--- /dev/null
+++ b/P/Sda1/catalog2rdbmsPrepare/src/main/java/de/hdm_stuttgart/mi/sda1/catalog2sql/DataInsert.java
@@ -0,0 +1,86 @@
+package de.hdm_stuttgart.mi.sda1.catalog2sql;
+
+import java.sql.Connection;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.util.List;
+
+/**
+ * Formatting product related INSERT statements
+ *
+ */
+public class DataInsert {
+
+ final Statement stmt;
+
+ /**
+ * @param conn Destination RDBMS
+ * @throws SQLException
+ */
+ public DataInsert(final Connection conn) throws SQLException {
+ conn.setAutoCommit(false);
+ stmt = conn.createStatement();
+ }
+
+ /**
+ * Create an SQL INSERT statement corresponding to a <product id='...' > entry
+ * lacking age specification.
+ * @param productId See {@link #insertproduct(String, String, int)}
+ * @param productName See {@link #insertproduct(String, String, int)}
+ */
+ public void insertproduct(final String productId, final String productName) {
+ final String sqlInsertStmt = "INSERT INTO Product (id, name) VALUES (" + productId + ", '" + productName + "');";
+ try {
+ stmt.executeUpdate(sqlInsertStmt);
+ } catch (SQLException e) {
+ Helper.exitWithErrorMessage("Unable to insert product without age property", 1);
+
+ }
+ }
+
+ /**
+ * Insert dataset corresponding to a <product id='...' > entry
+ * @param productId The product's unique id property
+ * @param productName The product's end user readable name.
+ * @param age The product's age
+ */
+ public void insertproduct(final String productId, final String productName, final int age) {
+
+ // A PreparedStatement is preferable but not yet introduced in lecture
+ //
+ final String sqlInsertStmt = "INSERT INTO Product VALUES (" + productId + ", '" + productName + "', " + age + ");";
+ try {
+ stmt.executeUpdate(sqlInsertStmt);
+ } catch (SQLException e) {
+ Helper.exitWithErrorMessage("Unable to insert product including age property", 1);
+ }
+ }
+
+
+ /**
+ * Adding a description to a given product.
+ *
+ * @param productId The description belongs to this product
+ * @param descriptions All descriptions belonging to productId
+ */
+ public void insertDescription(final String productId, final List<String> descriptions) {
+
+ for (int i = 0; i < descriptions.size(); i++) {
+ final String sqlInsertStmt = "INSERT INTO Description VALUES('" + productId + "', " + i + ", '" +
+ descriptions.get(i) + "');";
+ try {
+ stmt.executeUpdate(sqlInsertStmt);
+ } catch (SQLException e) {
+ Helper.exitWithErrorMessage("Unable to insert product description", 1);
+ }
+ }
+ }
+ /**
+ * Closing internal Statement instance
+ * @throws SQLException
+ */
+ public void commit() throws SQLException {
+ stmt.getConnection().commit();
+ }
+
+}
diff --git a/P/Sda1/catalog2rdbmsPrepare/src/main/java/de/hdm_stuttgart/mi/sda1/catalog2sql/Helper.java b/P/Sda1/catalog2rdbmsPrepare/src/main/java/de/hdm_stuttgart/mi/sda1/catalog2sql/Helper.java
new file mode 100644
index 000000000..b59d33d53
--- /dev/null
+++ b/P/Sda1/catalog2rdbmsPrepare/src/main/java/de/hdm_stuttgart/mi/sda1/catalog2sql/Helper.java
@@ -0,0 +1,18 @@
+package de.hdm_stuttgart.mi.sda1.catalog2sql;
+
+/**
+ * Project wide helper methods
+ *
+ */
+public class Helper {
+ /**
+ * Write message to stderr and exit with given error code
+ * @param errMsg
+ * @param errorCode
+ */
+ public static void exitWithErrorMessage(final String errMsg, int errorCode) {
+ System.err.println(errMsg);
+ System.exit(errorCode);
+ }
+
+}
diff --git a/P/Sda1/catalog2rdbmsPrepare/src/main/java/de/hdm_stuttgart/mi/sda1/catalog2sql/Messages.java b/P/Sda1/catalog2rdbmsPrepare/src/main/java/de/hdm_stuttgart/mi/sda1/catalog2sql/Messages.java
new file mode 100644
index 000000000..e68812cee
--- /dev/null
+++ b/P/Sda1/catalog2rdbmsPrepare/src/main/java/de/hdm_stuttgart/mi/sda1/catalog2sql/Messages.java
@@ -0,0 +1,22 @@
+package de.hdm_stuttgart.mi.sda1.catalog2sql;
+
+import java.util.MissingResourceException;
+import java.util.ResourceBundle;
+
+public class Messages {
+ private static final String BUNDLE_NAME = "de.hdm_stuttgart.mi.sda1.catalog2sql.messages"; //$NON-NLS-1$
+
+ private static final ResourceBundle RESOURCE_BUNDLE = ResourceBundle
+ .getBundle(BUNDLE_NAME);
+
+ private Messages() {
+ }
+
+ public static String getString(String key) {
+ try {
+ return RESOURCE_BUNDLE.getString(key);
+ } catch (MissingResourceException e) {
+ return '!' + key + '!';
+ }
+ }
+}
diff --git a/P/Sda1/catalog2rdbmsPrepare/src/main/java/de/hdm_stuttgart/mi/sda1/catalog2sql/Xml2Rdbms.java b/P/Sda1/catalog2rdbmsPrepare/src/main/java/de/hdm_stuttgart/mi/sda1/catalog2sql/Xml2Rdbms.java
new file mode 100644
index 000000000..126cf9b59
--- /dev/null
+++ b/P/Sda1/catalog2rdbmsPrepare/src/main/java/de/hdm_stuttgart/mi/sda1/catalog2sql/Xml2Rdbms.java
@@ -0,0 +1,87 @@
+package de.hdm_stuttgart.mi.sda1.catalog2sql;
+
+import java.io.IOException;
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.parsers.SAXParser;
+import javax.xml.parsers.SAXParserFactory;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.xml.sax.SAXException;
+import org.xml.sax.XMLReader;
+
+import de.hdm_stuttgart.mi.sda1.catalog2sql.handler.CatalogContentHandler;
+import de.hdm_stuttgart.mi.sda1.saxerrorhandler.handler.SaxErrorHandler;
+
+/**
+ * A simple SAX parser demo
+ *
+ */
+public class Xml2Rdbms {
+ private static final Logger log = LogManager.getLogger(Xml2Rdbms.class);
+
+ /**
+ * @param args Unused
+ * @throws SAXException
+ * @throws ParserConfigurationException
+ * @throws IOException
+ */
+ public static void main(String[] args) throws ParserConfigurationException,
+ SAXException, IOException {
+
+ log.info(Messages.getString("Xml2Rdbms.0"));
+ final SAXParserFactory saxPf = SAXParserFactory.newInstance();
+ final SAXParser saxParser = saxPf.newSAXParser();
+ final XMLReader xmlReader = saxParser.getXMLReader();
+
+
+ // Register Driver
+ final String sqlDriverClassName = Messages.getString("Xml2Rdbms.jdbcDriverName");
+ try {
+ Class.forName(sqlDriverClassName);
+ } catch (ClassNotFoundException e) {
+ Helper.exitWithErrorMessage(Messages.getString("Xml2Rdbms.errMsgUnableRegisterDriverClass") + sqlDriverClassName + Messages.getString("Xml2Rdbms.3"), 1);
+ }
+
+
+ // Opening a JDBC connection
+ //
+ Connection conn = null;
+
+ final String jdbcConnectionUrl = Messages.getString("Xml2Rdbms.jdbcUrl");
+ final String userName = Messages.getString("Xml2Rdbms.jdbcUser");
+ try {
+ conn = DriverManager.getConnection(jdbcConnectionUrl, userName, Messages.getString("Xml2Rdbms.jdbcPasswd"));
+ } catch (SQLException e) {
+ Helper.exitWithErrorMessage(Messages.getString("Xml2Rdbms.errMsgUnableToConnect") + userName + Messages.getString("Xml2Rdbms.8") +
+ jdbcConnectionUrl + Messages.getString("Xml2Rdbms.9"), 1);
+ }
+
+ DataInsert dataInsert = null;
+ try {
+ dataInsert = new DataInsert(conn);
+ } catch (SQLException e) {
+ Helper.exitWithErrorMessage(Messages.getString("Xml2Rdbms.errMsgUnableInitDataInsert"), 1);
+ }
+
+ log.info(Messages.getString("Xml2Rdbms.11"));
+ xmlReader.setContentHandler(new CatalogContentHandler(dataInsert));
+ xmlReader.setErrorHandler(new SaxErrorHandler(System.err));
+
+ final String xmlDocumentInstanceFilename = Messages.getString("Xml2Rdbms.xmlSourceFileName");
+ log.info(Messages.getString("Xml2Rdbms.13") + xmlDocumentInstanceFilename + Messages.getString("Xml2Rdbms.14"));
+ xmlReader.parse(xmlDocumentInstanceFilename);
+
+ // Closing
+ try {
+ conn.close(); // Closing Connection
+ } catch (SQLException e) {
+ Helper.exitWithErrorMessage(Messages.getString("Xml2Rdbms.errMsgUnableCloseRdbms"), 1);
+ }
+ }
+
+}
diff --git a/P/Sda1/catalog2rdbmsPrepare/src/main/java/de/hdm_stuttgart/mi/sda1/catalog2sql/handler/CatalogContentHandler.java b/P/Sda1/catalog2rdbmsPrepare/src/main/java/de/hdm_stuttgart/mi/sda1/catalog2sql/handler/CatalogContentHandler.java
new file mode 100644
index 000000000..6f1236a9d
--- /dev/null
+++ b/P/Sda1/catalog2rdbmsPrepare/src/main/java/de/hdm_stuttgart/mi/sda1/catalog2sql/handler/CatalogContentHandler.java
@@ -0,0 +1,137 @@
+package de.hdm_stuttgart.mi.sda1.catalog2sql.handler;
+
+import java.sql.SQLException;
+import java.util.List;
+import java.util.Vector;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.xml.sax.Attributes;
+import org.xml.sax.ContentHandler;
+import org.xml.sax.Locator;
+import org.xml.sax.SAXException;
+
+import de.hdm_stuttgart.mi.sda1.catalog2sql.DataInsert;
+import de.hdm_stuttgart.mi.sda1.catalog2sql.Helper;
+import de.hdm_stuttgart.mi.sda1.catalog2sql.Messages;
+
+/**
+ * Turning XML data into SQL INSERT statements
+ *
+ */
+public class CatalogContentHandler implements ContentHandler {
+ private static final Logger log = LogManager.getLogger(CatalogContentHandler.class);
+ Locator locator = null;
+
+ final DataInsert sqlInserter;
+
+ private final List<String> currentDescriptions = new Vector<String>();
+
+ final StringBuffer currentElementContent = new StringBuffer();
+
+ String productId, productName, productAgeString;
+
+ /**
+ * @param sqlFormatter SQL INSERT statement formatter
+ */
+ public CatalogContentHandler(final DataInsert sqlFormatter) {
+ this.sqlInserter = sqlFormatter;
+ }
+
+ @Override
+ public void setDocumentLocator(Locator locator) {
+ this.locator = locator;
+ }
+ // Convenience Method
+ String displayWithLocatio(final String saxMsg) {
+ if (null == locator) {
+ return saxMsg;
+ } else {
+ return "File position (" + locator.getLineNumber() + ", " + locator.getColumnNumber() + "): " + saxMsg;
+ }
+ }
+
+ @Override
+ public void startElement(String uri, String localName, String qName,
+ Attributes attributes) throws SAXException {
+ currentElementContent.setLength(0);
+ switch(qName) {
+ case "product":
+ productAgeString = null; // Value will be altered if <age> is present
+ productId = attributes.getValue("id");
+ log.info(displayWithLocatio("Product id=" + productId));
+ break;
+ }
+ }
+
+ @Override
+ public void endElement(final String uri, final String localName, final String qName)
+ throws SAXException {
+ switch(qName) {
+ case "product":
+ if (null == productAgeString) {
+ sqlInserter.insertproduct(productId, productName);
+ } else {
+ try {
+ sqlInserter.insertproduct(productId, productName, Integer.parseInt(productAgeString));
+ } catch (NumberFormatException ex) {
+ log.error("Property <age> is not of integer value:" + productAgeString);
+ }
+ }
+ flushDescriptionEntries();
+ break;
+ case "name":
+ productName = currentElementContent.toString();
+ break;
+
+ case "description":
+ // Do not interfere with the current INSERT INTO Product ...
+ // statement. Instead postpone related INSERT INTO Description ...
+ // operations, see flushDescriptionEntries().
+ currentDescriptions.add(currentElementContent.toString());
+ break;
+ case "age":
+ productAgeString = currentElementContent.toString();
+ break;
+ }
+ }
+
+ @Override public void endDocument() throws SAXException {
+ try {
+ sqlInserter.commit();
+ } catch (SQLException e) {
+ Helper.exitWithErrorMessage(Messages.getString("Xml2Rdbms.errMsgUnableCommitTransaction"), 1);
+ }
+ }
+
+ private void flushDescriptionEntries() {
+ // Add <description> related INSERTs
+ sqlInserter.insertDescription(productId, currentDescriptions);
+
+ // Next <product> may be yet to come, so
+ // clear the current set of descriptions.
+ currentDescriptions.clear();
+ }
+
+ @Override
+ public void characters(final char[] ch, final int start, final int length)
+ throws SAXException {
+ currentElementContent.append(new String(ch, start,length));
+ }
+
+ // We don't need these remaining callbacks
+
+ @Override public void startDocument() throws SAXException {}
+ @Override public void startPrefixMapping(String prefix, String uri)
+ throws SAXException {}
+ @Override public void endPrefixMapping(String prefix)
+ throws SAXException {}
+ @Override public void ignorableWhitespace(char[] ch, int start, int length)
+ throws SAXException {}
+
+ @Override public void processingInstruction(String target, String data)
+ throws SAXException {}
+
+ @Override public void skippedEntity(String name) throws SAXException {}
+
+}
\ No newline at end of file
diff --git a/P/Sda1/catalog2rdbmsPrepare/src/main/java/de/hdm_stuttgart/mi/sda1/catalog2sql/messages.properties b/P/Sda1/catalog2rdbmsPrepare/src/main/java/de/hdm_stuttgart/mi/sda1/catalog2sql/messages.properties
new file mode 100644
index 000000000..1d5308c65
--- /dev/null
+++ b/P/Sda1/catalog2rdbmsPrepare/src/main/java/de/hdm_stuttgart/mi/sda1/catalog2sql/messages.properties
@@ -0,0 +1,17 @@
+Xml2Rdbms.0=Creating SAX parser
+Xml2Rdbms.11=Registering content- and error handler instances
+Xml2Rdbms.13=Start parsing file '
+Xml2Rdbms.14='
+Xml2Rdbms.3='
+Xml2Rdbms.8=' to '
+Xml2Rdbms.9='
+Xml2Rdbms.errMsgUnableCloseRdbms=Unable to close RDBMS access
+Xml2Rdbms.errMsgUnableInitDataInsert=Unable to initialize data inserter
+Xml2Rdbms.errMsgUnableRegisterDriverClass=Unable to register driver class '
+Xml2Rdbms.errMsgUnableToConnect=Unable to connect as user '
+Xml2Rdbms.jdbcDriverName=com.mysql.jdbc.Driver
+Xml2Rdbms.jdbcPasswd=XYZ
+Xml2Rdbms.jdbcUrl=jdbc:mysql://localhost:3306/hdm
+Xml2Rdbms.jdbcUser=hdmuser
+Xml2Rdbms.xmlSourceFileName=products.xml
+Xml2Rdbms.errMsgUnableCommitTransaction=Unable to commit transaction
\ No newline at end of file
diff --git a/P/Sda1/catalog2rdbmsPrepare/src/main/resources/log4j2.xml b/P/Sda1/catalog2rdbmsPrepare/src/main/resources/log4j2.xml
new file mode 100644
index 000000000..eda4f3b0d
--- /dev/null
+++ b/P/Sda1/catalog2rdbmsPrepare/src/main/resources/log4j2.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Configuration>
+ <Appenders>
+ <File name="A1" fileName="A1.log" append="false">
+ <PatternLayout pattern="%t %-5p %c{2} - %m%n"/>
+ </File>
+ <Console name="STDOUT" target="SYSTEM_OUT">
+ <PatternLayout pattern="%C{2} (%F:%L) - %m%n"/>
+ </Console>
+ </Appenders>
+ <Loggers>
+
+ <!-- You my want to define class or package level per-logger rules -->
+ <Logger name="de.hdm_stuttgart.mi.sda1.catalog2sax.App" level="debug">
+ <AppenderRef ref="A1"/>
+ </Logger>
+ <Root level="debug">
+ <AppenderRef ref="STDOUT"/>
+ </Root>
+ </Loggers>
+</Configuration>
\ No newline at end of file
diff --git a/P/pom.xml b/P/pom.xml
index 63d45f4e3..062b964b2 100644
--- a/P/pom.xml
+++ b/P/pom.xml
@@ -75,6 +75,8 @@
<module>Sd1/Navigation/V2</module>
+ <module>Sd1/NonsenseGenerator</module>
+
<module>Sd1/plot</module>
<module>Sd1/Prime/V1</module>
--
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