From 8975dff97fe8c388fcef5e6030254977bd765a01 Mon Sep 17 00:00:00 2001
From: Martin Goik <goik@hdm-stuttgart.de>
Date: Mon, 19 Feb 2018 08:21:23 +0100
Subject: [PATCH] Solution Sda1 winter 2017
---
Klausuren/Sda1/2017winter/Solve/.gitignore | 4 +
Klausuren/Sda1/2017winter/Solve/Doc/exam.xml | 564 ++++++++++++++++++
Klausuren/Sda1/2017winter/Solve/Schema/fs.xsd | 63 ++
.../2017winter/Solve/Schema/sampledata.xml | 17 +
.../Sda1/2017winter/Solve/Schema/schema.sql | 44 ++
.../Solve/SchemaTest/0100valid_minimum.xml | 7 +
.../SchemaTest/0120valid_uniqueComponents.xml | 8 +
.../SchemaTest/0122invalid_inodeString.xml | 12 +
.../SchemaTest/0125invalid_missingName.xml | 15 +
.../SchemaTest/0130invalid_missingInode.xml | 14 +
.../SchemaTest/0135invalid_missingTarget.xml | 13 +
.../0140invalid_duplicateObjectName.xml | 14 +
.../SchemaTest/0160invalid_duplicateInode.xml | 13 +
.../0165invalid_uniqueComponentsOrder.xml | 15 +
.../Solve/SchemaTest/0180valid_hierarchy.xml | 15 +
.../0200invalid_hierarchyDuplicateInode.xml | 18 +
.../0220invalid_hierarchyDuplicateName.xml | 18 +
.../0300invalid_hierarchyReference.xml | 18 +
.../SchemaTest/0320invalid_hierarchyOrder.xml | 20 +
.../Sda1/2017winter/Solve/Sql/Student.sql | 19 +
Klausuren/Sda1/2017winter/Solve/pom.xml | 101 ++++
.../mi/sda1/exam/dataexport/Db2Html.java | 121 ++++
.../Solve/src/main/resources/log4j2.xml | 21 +
.../mi/sda1/exam/xsd/test/SchemaTest.java | 26 +
24 files changed, 1180 insertions(+)
create mode 100644 Klausuren/Sda1/2017winter/Solve/.gitignore
create mode 100644 Klausuren/Sda1/2017winter/Solve/Doc/exam.xml
create mode 100644 Klausuren/Sda1/2017winter/Solve/Schema/fs.xsd
create mode 100644 Klausuren/Sda1/2017winter/Solve/Schema/sampledata.xml
create mode 100644 Klausuren/Sda1/2017winter/Solve/Schema/schema.sql
create mode 100644 Klausuren/Sda1/2017winter/Solve/SchemaTest/0100valid_minimum.xml
create mode 100644 Klausuren/Sda1/2017winter/Solve/SchemaTest/0120valid_uniqueComponents.xml
create mode 100644 Klausuren/Sda1/2017winter/Solve/SchemaTest/0122invalid_inodeString.xml
create mode 100644 Klausuren/Sda1/2017winter/Solve/SchemaTest/0125invalid_missingName.xml
create mode 100644 Klausuren/Sda1/2017winter/Solve/SchemaTest/0130invalid_missingInode.xml
create mode 100644 Klausuren/Sda1/2017winter/Solve/SchemaTest/0135invalid_missingTarget.xml
create mode 100644 Klausuren/Sda1/2017winter/Solve/SchemaTest/0140invalid_duplicateObjectName.xml
create mode 100644 Klausuren/Sda1/2017winter/Solve/SchemaTest/0160invalid_duplicateInode.xml
create mode 100644 Klausuren/Sda1/2017winter/Solve/SchemaTest/0165invalid_uniqueComponentsOrder.xml
create mode 100644 Klausuren/Sda1/2017winter/Solve/SchemaTest/0180valid_hierarchy.xml
create mode 100644 Klausuren/Sda1/2017winter/Solve/SchemaTest/0200invalid_hierarchyDuplicateInode.xml
create mode 100644 Klausuren/Sda1/2017winter/Solve/SchemaTest/0220invalid_hierarchyDuplicateName.xml
create mode 100644 Klausuren/Sda1/2017winter/Solve/SchemaTest/0300invalid_hierarchyReference.xml
create mode 100644 Klausuren/Sda1/2017winter/Solve/SchemaTest/0320invalid_hierarchyOrder.xml
create mode 100644 Klausuren/Sda1/2017winter/Solve/Sql/Student.sql
create mode 100644 Klausuren/Sda1/2017winter/Solve/pom.xml
create mode 100644 Klausuren/Sda1/2017winter/Solve/src/main/java/de/hdm_stuttgart/mi/sda1/exam/dataexport/Db2Html.java
create mode 100644 Klausuren/Sda1/2017winter/Solve/src/main/resources/log4j2.xml
create mode 100644 Klausuren/Sda1/2017winter/Solve/src/test/java/de/hdm_stuttgart/mi/sda1/exam/xsd/test/SchemaTest.java
diff --git a/Klausuren/Sda1/2017winter/Solve/.gitignore b/Klausuren/Sda1/2017winter/Solve/.gitignore
new file mode 100644
index 000000000..3498d4a33
--- /dev/null
+++ b/Klausuren/Sda1/2017winter/Solve/.gitignore
@@ -0,0 +1,4 @@
+/.classpath
+/.project
+A1.log
+
diff --git a/Klausuren/Sda1/2017winter/Solve/Doc/exam.xml b/Klausuren/Sda1/2017winter/Solve/Doc/exam.xml
new file mode 100644
index 000000000..57971c6b7
--- /dev/null
+++ b/Klausuren/Sda1/2017winter/Solve/Doc/exam.xml
@@ -0,0 +1,564 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<book version="5.0" xml:id="klausur_SoSe_2017" xml:lang="en"
+ xmlns="http://docbook.org/ns/docbook"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
+ xmlns:xila="http://www.w3.org/2001/XInclude/local-attributes"
+ xmlns:xi="http://www.w3.org/2001/XInclude"
+ xmlns:trans="http://docbook.org/ns/transclusion"
+ xmlns:svg="http://www.w3.org/2000/svg"
+ xmlns:m="http://www.w3.org/1998/Math/MathML"
+ xmlns:html="http://www.w3.org/1999/xhtml"
+ xmlns:db="http://docbook.org/ns/docbook">
+ <!-- saxon9he-xslt -s:klausur.xml -xsl:/usr/share/hdm-docbook-xsl/CustomLayer/Klausur/docbook2klausur.xsl -->
+
+ <info>
+ <title/>
+
+ <author>
+ <personname/>
+ </author>
+
+ <pubdate/>
+ </info>
+
+ <chapter xml:id="task1">
+ <title>Representing file system meta data</title>
+
+ <!-- Hier gemeinsames zip Archiv hochladen, auch von anderen Aufgaben. -->
+
+ <section xml:id="aufgabe1_prepare">
+ <title>Preparations</title>
+
+ <para>Download and unzip the above file <filename>exam.zip</filename>.
+ Then import the resulting <filename>Exam</filename> folder as a Maven
+ project into your IntelliJ IDE.</para>
+ </section>
+
+ <section xml:id="aufgabe1_descr">
+ <title>Description</title>
+
+ <para>We want to represent files system meta data like file and
+ directory names as XML data. Consider the following file system
+ containing nested directories, files and one symbolic link (symlink for
+ short) among with its XML sample representation:</para>
+
+ <informaltable border="0">
+ <tr>
+ <td valign="top"><screen>mkdir A
+mkdir A/A_C
+touch A/A_C/A_C_start.xml
+mkdir B
+touch B/B_calc.odt
+touch a
+touch b
+ln -s A/A_C/A_C_start.xml symA.xml</screen></td>
+
+ <td valign="top"><screen>A
++--A_C
+ +--A_C_start.xml
+B
++--B_calc.odt
+a
+b
+symA.xml</screen></td>
+
+ <td valign="top"><programlisting language="xml"><partition xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:noNamespaceSchemaLocation="fs.xsd" >
+
+ <directory name="A" inode="100">
+ <directory name="A_C" inode="104">
+ <file name="A_C_start.xml" inode="105"/>
+ </directory>
+ </directory>
+ <directory name="B" inode="101">
+ <file name="B_calc.odt" inode="106"/>
+ </directory>
+ <file name="a" inode="102"/>
+ <file name="b" inode="103"/>
+ <symlink name="symA.xml" inode="107" target="105"/>
+
+</partition></programlisting></td>
+ </tr>
+ </informaltable>
+
+ <para>The <link
+ xlink:href="data/iliasclient1/mobs/mm_2043/folderExample.png?il_wac_token=ac81cb5ba46c8aa1042baf7dfb7ca03d87304cc3&il_wac_ttl=3&il_wac_ts=1518350783">screenshot</link>
+ shows a visual representation.</para>
+
+ <para>The XML implies the following integrity rules:</para>
+
+ <itemizedlist>
+ <listitem>
+ <para>There are three distinct file system object types <tag
+ class="starttag">directory</tag>, <tag class="starttag">file</tag>
+ and <tag class="starttag">symlink</tag> each requiring a <code
+ language="xml">@name</code> of type string and <code
+ language="xml">@inode</code> of integer value.</para>
+ </listitem>
+
+ <listitem>
+ <para>Within a given <tag class="starttag">directory</tag> or <tag
+ class="starttag">partition</tag> all <code
+ language="xml">@name</code> attribute values are unique. Example:
+ The <tag class="starttag">partition</tag> contains two <tag
+ class="starttag">directory</tag> entries <filename>A</filename> and
+ <filename>B</filename>, two <tag class="starttag">file</tag> entries
+ <filename>a</filename> and <filename>b</filename> and the symlink
+ named <filename>symA.xml</filename>. Thus for a case sensitive file
+ system these top level name values are unique.</para>
+ </listitem>
+
+ <listitem>
+ <para>Each file system object receives an inode number (invisible in
+ the above listings) being unique within the given partition.</para>
+ </listitem>
+
+ <listitem>
+ <para>The symlink <filename>symA.xml</filename> contains a reference
+ matching a target's inode number 105 namely the file
+ <filename>A_C_start.xml</filename>.</para>
+ </listitem>
+ </itemizedlist>
+ </section>
+
+ <section xml:id="aufgabe1_task">
+ <title>Tasks</title>
+
+ <para>Implement the yet incomplete XML Schema file
+ <filename>Schema/fs.xsd</filename> modeling all former integrity
+ rules:</para>
+
+ <orderedlist>
+ <listitem>
+ <para>The folder <filename>SchemaTest</filename> contains sample
+ files testing your schema for correctness.</para>
+ </listitem>
+
+ <listitem>
+ <para>Executing
+ <classname>de.hdm_stuttgart.mi.sda1.exam.xsd.test.SchemaTest</classname>
+ as a Java application indicates which test documents in
+ <filename>SchemaTest</filename> yet fail the expected outcome being
+ either <quote>valid</quote> of <quote>invalid</quote>. You also get
+ the number of points reached so far.</para>
+ </listitem>
+
+ <listitem>
+ <para>Open all XML related files in Oxygenxml: It does offer much
+ better schema support than IntelliJ.</para>
+ </listitem>
+ </orderedlist>
+
+ <tip>
+ <itemizedlist>
+ <listitem>
+ <para>When defining <tag class="starttag">xs:key</tag> or <tag
+ class="starttag">xs:keyref</tag> definitions you may wand to
+ recursively descend using <code language="xml">//xyz</code>
+ expressions. Due to XML Schema restrictions only element local
+ recursive descents like <code language="xml">.//xyz</code> from
+ your <quote>current</quote> element in question rather than <code
+ language="xml">//xyz</code> from document root are allowed.</para>
+ </listitem>
+
+ <listitem>
+ <para>Do not forget that both <tag
+ class="starttag">directory</tag> and <tag
+ class="starttag">partition</tag> must contain unique entries with
+ respect to the <code language="xml">@name</code> attribute. This
+ may require two distinct keys.</para>
+ </listitem>
+
+ <listitem>
+ <para>Don't touch the unit test defines in your project's
+ <filename>SchemaTest</filename> folder: Your automated tests may
+ end up throwing meaningless exceptions.</para>
+ </listitem>
+
+ <listitem>
+ <para>Edit <filename>Schema/fs.xsd</filename> by small steps and
+ always execute the tests: If you spoil it <quote>undo</quote> is
+ your friend.</para>
+ </listitem>
+ </itemizedlist>
+ </tip>
+ </section>
+
+ <section version="5.1" xml:id="uploadFirst" xml:lang="de">
+ <title>Project upload</title>
+
+ <para>Zip up your complete project as
+ <filename>solution-1.zip</filename> (not <filename>.tgz</filename>,
+ <filename>.java</filename>, <filename>.tar.gz</filename> or similar).
+ Then hit <quote>choose</quote> and <quote>upload</quote>. Do not forget
+ to leave this exercise (i.e. by switching to the next question) because
+ this triggers saving the current question. Be careful:</para>
+
+ <itemizedlist>
+ <listitem>
+ <para>Mind complete export, choose your project's root rather than
+ just a sub directory or single file.</para>
+ </listitem>
+
+ <listitem>
+ <para>Upload the right archive: Avoid choosing the original
+ <filename>exam.zip</filename> skeleton.</para>
+ </listitem>
+
+ <listitem>
+ <para>Watch out for <filename>solution_1.zip</filename> actually
+ being visible in the examination system.</para>
+ </listitem>
+
+ <listitem>
+ <para>You may upload multiple versions i.e.
+ <filename>solution_2.zip</filename> etc. for security reasons. Only
+ your least upload in time will become subject to marking.</para>
+ </listitem>
+ </itemizedlist>
+
+ <caution>
+ <itemizedlist>
+ <listitem>
+ <para>Check your input at examination end for completeness.</para>
+ </listitem>
+
+ <listitem>
+ <para>Projects residing only on your local workstation cannot be
+ recovered.</para>
+ </listitem>
+ </itemizedlist>
+ </caution>
+ </section>
+ </chapter>
+
+ <chapter xml:id="task2">
+ <title>Relational file system meta data</title>
+
+ <section xml:id="aufgabe2_prepare">
+ <title>Preparation</title>
+
+ <para>If you already started the first exercise just continue working on
+ your project using IntelliJ. Otherwise read the first exercise regarding
+ the skeleton project import. In case you need to configure a
+ <productname>JDBC</productname> connection in
+ <productname>Intellij</productname> you need:</para>
+
+ <itemizedlist>
+ <listitem>
+ <para>Host: localhost</para>
+ </listitem>
+
+ <listitem>
+ <para>Database: hdm</para>
+ </listitem>
+
+ <listitem>
+ <para>User: hdmuser</para>
+ </listitem>
+
+ <listitem>
+ <para>Pasword: XYZ</para>
+ </listitem>
+ </itemizedlist>
+ </section>
+
+ <section xml:id="aufgabe2_descr">
+ <title>Description</title>
+
+ <para>Start from your project skeleton
+ <filename>Schema/schema.sql</filename> file and create a relational
+ model representing file system meta data: The same integrity constraints
+ as in the first exercise shall apply.</para>
+
+ <tip>
+ <para>A single table suffices:</para>
+
+ <itemizedlist>
+ <listitem>
+ <para>Introduce an attribute <code
+ language="sql">objectType</code>. Depending on the file system
+ object in question it will have three different values like <code
+ language="sql">"directory"</code>, <code
+ language="sql">"file"</code> or <code
+ language="sql">"symlink"</code>.</para>
+ </listitem>
+
+ <listitem>
+ <para>There is an obvious primary key attribute candidate.</para>
+ </listitem>
+
+ <listitem>
+ <para>Model composition of directories within each other and files
+ and symbolic links within directories by a foreign key like e.g.
+ <code language="sql">parent</code>.</para>
+ </listitem>
+
+ <listitem>
+ <para>Introduce a nullable field <code
+ language="sql">target</code> which is only valid for symbolic
+ links and will otherwise be ignored.</para>
+ </listitem>
+ </itemizedlist>
+
+ <para>A record my look like:</para>
+
+ <programlisting language="sql">INSERT INTO FsObject VALUES(
+ 101, /* inode */
+ "Dir_A_B", /* Directory name, subdir of "Dir_A" */
+ 100, /* Parent directory "A" */
+ 1, /* Typ directory */
+ null); /* No symlink */</programlisting>
+ </tip>
+ </section>
+
+ <section version="5.1" xml:id="uploadFollow" xml:lang="de">
+ <title>Solution upload</title>
+
+ <para>Upload your project using the previous exercise. Enter either of
+ the following two texts:</para>
+
+ <itemizedlist>
+ <listitem>
+ <para>I'm expecting points for my work on the current
+ exercise.</para>
+ </listitem>
+
+ <listitem>
+ <para>I did not work on this exercise.</para>
+ </listitem>
+ </itemizedlist>
+ </section>
+ </chapter>
+
+ <chapter xml:id="task3">
+ <title>Formatting arbitrary relational tables</title>
+
+ <section xml:id="task3_prepare">
+ <title>Preparation</title>
+
+ <para>If you already started the first exercise just continue working on
+ your project using IntelliJ. Otherwise read the first exercise regarding
+ the skeleton project import. In case you need to configure a
+ <productname>JDBC</productname> connection in
+ <productname>Intellij</productname> you need:</para>
+
+ <itemizedlist>
+ <listitem>
+ <para>Host: localhost</para>
+ </listitem>
+
+ <listitem>
+ <para>Database: hdm</para>
+ </listitem>
+
+ <listitem>
+ <para>User: hdmuser</para>
+ </listitem>
+
+ <listitem>
+ <para>Pasword: XYZ</para>
+ </listitem>
+ </itemizedlist>
+
+ <para>You may want to import the sample schema and data being found in
+ <filename>Sql/student.sql</filename> into your local
+ <productname>Mysql</productname> server prior to extending the provided
+ Java skeleton.</para>
+ </section>
+
+ <section xml:id="task_2_descr">
+ <title>Description</title>
+
+ <para>Consider the following relational table and sample data:</para>
+
+ <informaltable border="0">
+ <tr>
+ <td valign="top"><programlisting language="sql">CREATE TABLE Student (
+ id INT NOT NULL,
+ name VARCHAR(20) NOT NULL,
+ studyCourse CHAR(3) NULL,
+ gender CHAR(1), /* f (female) or m (male) */
+ fullTime BOOLEAN NULL,
+ PRIMARY KEY (id)
+);
+INSERT INTO Student VALUES(100, 'Eve', 'MIB', 'f', TRUE );
+INSERT INTO Student VALUES(101, 'John', 'PMM', 'm', NULL );
+INSERT INTO Student VALUES(102, 'Bill', NULL, 'm', TRUE );
+INSERT INTO Student VALUES(103, 'Petra', 'CSM', 'm', FALSE );</programlisting></td>
+
+ <td valign="top"><informaltable border="1">
+ <tr>
+ <th>id</th>
+
+ <th>name</th>
+
+ <th>studyCourse</th>
+
+ <th>gender</th>
+
+ <th>fullTime</th>
+ </tr>
+
+ <tr>
+ <td>100</td>
+
+ <td>Eve</td>
+
+ <td>MIB</td>
+
+ <td>f</td>
+
+ <td>1</td>
+ </tr>
+
+ <tr>
+ <td>101</td>
+
+ <td>John</td>
+
+ <td>PMM</td>
+
+ <td>m</td>
+
+ <td><emphasis>NULL</emphasis></td>
+ </tr>
+
+ <tr>
+ <td>102</td>
+
+ <td>Bill</td>
+
+ <td><emphasis>NULL</emphasis></td>
+
+ <td>m</td>
+
+ <td>1</td>
+ </tr>
+
+ <tr>
+ <td>103</td>
+
+ <td>Petra</td>
+
+ <td>CSM</td>
+
+ <td>m</td>
+
+ <td>0</td>
+ </tr>
+ </informaltable></td>
+ </tr>
+ </informaltable>
+
+ <para>In this exercise you will write a Java application reading an
+ <emphasis>arbitrary</emphasis> relational table producing a
+ corresponding HTML tree, <emphasis>not just covering the above
+ example</emphasis>.</para>
+
+ <para>Consider the skeleton
+ <classname>de.hdm_stuttgart.mi.sda1.exam.dataexport.Db2Html</classname>.
+ To the right you see the intended generated
+ <productname>Jdom</productname> tree when being executed as Java
+ application:</para>
+
+ <informaltable border="0">
+ <tr>
+ <td valign="top"><programlisting language="java">private static Element getHtml(
+ final Connection connection,
+ final String tableName) throws SQLException {
+
+ final Element html = new Element("html");
+
+ // TODO: Add basic HTML and a table containing
+ // tableName's header information + data
+ return html;
+}</programlisting></td>
+
+ <td valign="top"><programlisting language="xml"><html>
+ <head><title>Table Student data</title></head>
+ <body>
+ <table>
+ <tr>
+ <th>id</th>
+ <th>name</th>
+ <th>studyCourse</th>
+ <th>gender</th>
+ <th>fullTime</th>
+ </tr>
+ ...
+ <tr>
+ <td>101</td>
+ <td>John</td>
+ <td>PMM</td>
+ <td>m</td>
+ <td>
+ <strong>NULL</strong>
+ </td>
+ </tr>
+ ...
+ </table>
+ </body>
+</html></programlisting></td>
+ </tr>
+ </informaltable>
+
+ <para>Right now the only output reads just <tag
+ class="emptytag">html</tag>.Read the method's project skeleton Javadoc
+ and complete the implementation by adding required HTML markup.</para>
+
+ <tip>
+ <para>Since your implementation starts from an arbitrary relational
+ table you cannot assume any prior knowledge about:</para>
+
+ <orderedlist>
+ <listitem>
+ <para>The relational table's number of columns.</para>
+ </listitem>
+
+ <listitem>
+ <para>The relational table's column names.</para>
+ </listitem>
+ </orderedlist>
+
+ <para>Luckily a <classname
+ xlink:href="https://docs.oracle.com/javase/9/docs/api/java/sql/ResultSet.html">ResultSet</classname>
+ provides the <methodname
+ xlink:href="https://docs.oracle.com/javase/9/docs/api/java/sql/ResultSet.html#getMetaData--">getMetaData()</methodname>
+ method returning a <classname
+ xlink:href="https://docs.oracle.com/javase/9/docs/api/java/sql/ResultSetMetaData.html">ResultSetMetaData</classname>
+ instance in turn offering two methods <methodname
+ xlink:href="https://docs.oracle.com/javase/9/docs/api/java/sql/ResultSetMetaData.html#getColumnCount--">getColumnCount()</methodname>
+ and <methodname
+ xlink:href="https://docs.oracle.com/javase/9/docs/api/java/sql/ResultSetMetaData.html#getColumnName-int-">getColumnName(int
+ column)</methodname>.</para>
+
+ <para>Do not forget the <methodname
+ xlink:href="https://docs.oracle.com/javase/9/docs/api/java/sql/ResultSet.html#wasNull--">wasNull()</methodname>
+ method for embedding <code language="sql">NULL</code> values in <tag
+ class="starttag">strong</tag> tags and use the generic <methodname
+ xlink:href="https://docs.oracle.com/javase/9/docs/api/java/sql/ResultSet.html#getString-int-">getString(int
+ columnIndex)</methodname> method for accessing table cell's
+ data.</para>
+ </tip>
+ </section>
+
+ <section version="5.1" xml:id="task3_uploadFollow" xml:lang="de">
+ <title>Solution upload </title>
+
+ <para>Upload your project using the previous exercise. Enter either of
+ the following two texts:</para>
+
+ <itemizedlist>
+ <listitem>
+ <para>I'm expecting points for my work on the current
+ exercise.</para>
+ </listitem>
+
+ <listitem>
+ <para>I did not work on this exercise.</para>
+ </listitem>
+ </itemizedlist>
+ </section>
+ </chapter>
+</book>
diff --git a/Klausuren/Sda1/2017winter/Solve/Schema/fs.xsd b/Klausuren/Sda1/2017winter/Solve/Schema/fs.xsd
new file mode 100644
index 000000000..a9b2055bc
--- /dev/null
+++ b/Klausuren/Sda1/2017winter/Solve/Schema/fs.xsd
@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" >
+
+ <xs:group name="directoryContent">
+ <xs:sequence>
+ <xs:element ref="directory" minOccurs="0" maxOccurs="unbounded"/>
+ <xs:element ref="file" minOccurs="0" maxOccurs="unbounded"/>
+ <xs:element ref="symlink" minOccurs="0" maxOccurs="unbounded"/>
+ </xs:sequence>
+ </xs:group>
+
+
+ <xs:element name="partition">
+ <xs:complexType>
+ <xs:group ref="directoryContent"/>
+ </xs:complexType>
+
+ <xs:key name="uniquePartitionObjectName">
+ <xs:selector xpath="directory|file|symlink"/>
+ <xs:field xpath="@name"/>
+ </xs:key>
+ <xs:key name="uniqueInode">
+ <xs:selector xpath=".//directory|.//file|.//symlink"/>
+ <xs:field xpath="@inode"/>
+ </xs:key>
+ <xs:keyref refer="uniqueInode" name="symlinkReference">
+ <xs:selector xpath=".//symlink"/>
+ <xs:field xpath="@target"/>
+ </xs:keyref>
+ </xs:element>
+
+ <xs:element name="directory">
+ <xs:complexType>
+ <xs:group ref="directoryContent"/>
+ <xs:attribute ref="name" use="required"/>
+ <xs:attribute ref="inode" use="required"/>
+ </xs:complexType>
+
+ <xs:key name="uniqueDirectoryObjectName">
+ <xs:selector xpath="directory|file|symlink"/>
+ <xs:field xpath="@name"/>
+ </xs:key>
+ </xs:element>
+
+ <xs:element name="file">
+ <xs:complexType>
+ <xs:attribute ref="name" use="required"/>
+ <xs:attribute ref="inode" use="required"/>
+ </xs:complexType>
+ </xs:element>
+
+ <xs:element name="symlink">
+ <xs:complexType>
+ <xs:attribute ref="name" use="required"/>
+ <xs:attribute ref="inode" use="required"/>
+ <xs:attribute name="target" type="xs:int" use="required"/>
+ </xs:complexType>
+ </xs:element>
+
+ <xs:attribute type="xs:string" name="name"/>
+ <xs:attribute type="xs:int" name="inode"/>
+
+</xs:schema>
\ No newline at end of file
diff --git a/Klausuren/Sda1/2017winter/Solve/Schema/sampledata.xml b/Klausuren/Sda1/2017winter/Solve/Schema/sampledata.xml
new file mode 100644
index 000000000..44d2da12f
--- /dev/null
+++ b/Klausuren/Sda1/2017winter/Solve/Schema/sampledata.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<partition xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:noNamespaceSchemaLocation="fs.xsd" >
+
+ <directory name="A" inode="100">
+ <directory name="A_C" inode="104">
+ <file name="A_C_start.xml" inode="105"/>
+ </directory>
+ </directory>
+ <directory name="B" inode="101">
+ <file name="B_calc.odt" inode="106"/>
+ </directory>
+ <file name="a" inode="102"/>
+ <file name="b" inode="103"/>
+ <symlink name="symA.xml" inode="107" target="105"/>
+
+</partition>
\ No newline at end of file
diff --git a/Klausuren/Sda1/2017winter/Solve/Schema/schema.sql b/Klausuren/Sda1/2017winter/Solve/Schema/schema.sql
new file mode 100644
index 000000000..1a7849ba6
--- /dev/null
+++ b/Klausuren/Sda1/2017winter/Solve/Schema/schema.sql
@@ -0,0 +1,44 @@
+show tables;
+show create TABLE FsObject;
+
+DROP TABLE IF EXISTS FsObject;
+
+CREATE TABLE FsObject (
+ inode INT NOT NULL,
+ PRIMARY KEY (inode),
+ name VARCHAR(20) NOT NULL,
+ parent INT NULL,
+ FOREIGN KEY (parent) REFERENCES FsObject(inode),
+ UNIQUE (parent, name),
+ typ INT NOT NULL, /* 1=directory, 2 = file, 3 = symlink */
+ target INT NULL,
+ FOREIGN KEY (target) REFERENCES FsObject(inode)
+);
+
+INSERT INTO FsObject VALUES(
+ 100, /* inode */
+ "Dir_A", /* Directory name */
+ null, /* No parent node (top level) */
+ 1, /* Typ directory */
+ null); /* No symlink */
+
+INSERT INTO FsObject VALUES(
+ 101, /* inode */
+ "Dir_A_B", /* Directory name, subdir of "Dir_A" */
+ 100, /* Parent directory "A" */
+ 1, /* Typ directory */
+ null); /* No symlink */
+
+INSERT INTO FsObject VALUES(
+ 102, /* inode */
+ "File_A_test.txt", /* File in "Dir_A" */
+ 100, /* Directory "A" */
+ 2, /* Typ file */
+ null); /* No symlink */
+
+INSERT INTO FsObject VALUES(
+ 103, /* inode */
+ "Symlink_A_to_test.txt", /* File in "Dir_A" */
+ 100, /* Directory "A" */
+ 2, /* Typ file */
+ null); /* No symlink */
\ No newline at end of file
diff --git a/Klausuren/Sda1/2017winter/Solve/SchemaTest/0100valid_minimum.xml b/Klausuren/Sda1/2017winter/Solve/SchemaTest/0100valid_minimum.xml
new file mode 100644
index 000000000..3e0366f09
--- /dev/null
+++ b/Klausuren/Sda1/2017winter/Solve/SchemaTest/0100valid_minimum.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<partition xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:noNamespaceSchemaLocation="../Schema/fs.xsd" />
+
+<?xmlTest points = "1"
+ expectedToBeValid = "true" ?>
diff --git a/Klausuren/Sda1/2017winter/Solve/SchemaTest/0120valid_uniqueComponents.xml b/Klausuren/Sda1/2017winter/Solve/SchemaTest/0120valid_uniqueComponents.xml
new file mode 100644
index 000000000..fce539fda
--- /dev/null
+++ b/Klausuren/Sda1/2017winter/Solve/SchemaTest/0120valid_uniqueComponents.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<partition xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:noNamespaceSchemaLocation="../Schema/fs.xsd" >
+ <directory name="A" inode="100"/>
+ <file name="b" inode="103"/>
+ <symlink name="symA" inode="107" target="100"/>
+</partition>
\ No newline at end of file
diff --git a/Klausuren/Sda1/2017winter/Solve/SchemaTest/0122invalid_inodeString.xml b/Klausuren/Sda1/2017winter/Solve/SchemaTest/0122invalid_inodeString.xml
new file mode 100644
index 000000000..f8bfc106b
--- /dev/null
+++ b/Klausuren/Sda1/2017winter/Solve/SchemaTest/0122invalid_inodeString.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<partition xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:noNamespaceSchemaLocation="../Schema/fs.xsd" >
+ <directory name="A" inode="foo"/> <!-- Error: inode must be an int. -->
+ <file name="b" inode="103"/>
+ <symlink name="symA" inode="107" target="100"/>
+</partition>
+<?xmlTest points = "3"
+ expectedToBeValid = "false"
+ preconditionValid = "0120valid_uniqueComponents.xml"
+?>
\ No newline at end of file
diff --git a/Klausuren/Sda1/2017winter/Solve/SchemaTest/0125invalid_missingName.xml b/Klausuren/Sda1/2017winter/Solve/SchemaTest/0125invalid_missingName.xml
new file mode 100644
index 000000000..fe2bbeae9
--- /dev/null
+++ b/Klausuren/Sda1/2017winter/Solve/SchemaTest/0125invalid_missingName.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<partition xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:noNamespaceSchemaLocation="../Schema/fs.xsd" >
+
+ <!-- Missing @name attributes -->
+ <directory inode="100"/>
+ <file inode="103"/>
+ <symlink inode="107" target="100"/>
+
+</partition>
+<?xmlTest points = "3"
+ expectedToBeValid = "false"
+ preconditionValid = "0120valid_uniqueComponents.xml"
+?>
diff --git a/Klausuren/Sda1/2017winter/Solve/SchemaTest/0130invalid_missingInode.xml b/Klausuren/Sda1/2017winter/Solve/SchemaTest/0130invalid_missingInode.xml
new file mode 100644
index 000000000..eb087d91f
--- /dev/null
+++ b/Klausuren/Sda1/2017winter/Solve/SchemaTest/0130invalid_missingInode.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<partition xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:noNamespaceSchemaLocation="../Schema/fs.xsd" >
+ <!-- Missing @inode attributes -->
+ <directory name="A" />
+ <file name="b" />
+ <symlink name="symA" target="100"/>
+
+</partition>
+<?xmlTest points = "3"
+ expectedToBeValid = "false"
+ preconditionValid = "0120valid_uniqueComponents.xml"
+?>
diff --git a/Klausuren/Sda1/2017winter/Solve/SchemaTest/0135invalid_missingTarget.xml b/Klausuren/Sda1/2017winter/Solve/SchemaTest/0135invalid_missingTarget.xml
new file mode 100644
index 000000000..3e1181b5c
--- /dev/null
+++ b/Klausuren/Sda1/2017winter/Solve/SchemaTest/0135invalid_missingTarget.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<partition xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:noNamespaceSchemaLocation="../Schema/fs.xsd" >
+
+ <directory name="A" inode="100"/>
+ <file name="b" inode="103"/>
+ <symlink name="symA" inode="107"/> <!-- Missing @target attribute -->
+
+</partition>
+<?xmlTest points = "2"
+ expectedToBeValid = "false"
+ preconditionValid = "0120valid_uniqueComponents.xml" ?>
diff --git a/Klausuren/Sda1/2017winter/Solve/SchemaTest/0140invalid_duplicateObjectName.xml b/Klausuren/Sda1/2017winter/Solve/SchemaTest/0140invalid_duplicateObjectName.xml
new file mode 100644
index 000000000..e5d121e16
--- /dev/null
+++ b/Klausuren/Sda1/2017winter/Solve/SchemaTest/0140invalid_duplicateObjectName.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<partition xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:noNamespaceSchemaLocation="../Schema/fs.xsd" >
+
+ <directory name="A" inode="100"/>
+ <file name="b" inode="103"/>
+ <symlink name="b" inode="107" target="100"/> <!-- Duplicate @name value "b" -->
+
+</partition>
+<?xmlTest points = "2"
+ expectedToBeValid = "false"
+ preconditionValid = "0100valid_minimum.xml"
+?>
diff --git a/Klausuren/Sda1/2017winter/Solve/SchemaTest/0160invalid_duplicateInode.xml b/Klausuren/Sda1/2017winter/Solve/SchemaTest/0160invalid_duplicateInode.xml
new file mode 100644
index 000000000..dfffa5217
--- /dev/null
+++ b/Klausuren/Sda1/2017winter/Solve/SchemaTest/0160invalid_duplicateInode.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<partition xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:noNamespaceSchemaLocation="../Schema/fs.xsd" >
+
+ <directory name="A" inode="100"/>
+ <file name="b" inode="100"/> <!-- duplicate @inode value "100" -->
+
+</partition>
+<?xmlTest points = "2"
+ expectedToBeValid = "false"
+ preconditionValid = "0100valid_minimum.xml"
+?>
diff --git a/Klausuren/Sda1/2017winter/Solve/SchemaTest/0165invalid_uniqueComponentsOrder.xml b/Klausuren/Sda1/2017winter/Solve/SchemaTest/0165invalid_uniqueComponentsOrder.xml
new file mode 100644
index 000000000..137493e6d
--- /dev/null
+++ b/Klausuren/Sda1/2017winter/Solve/SchemaTest/0165invalid_uniqueComponentsOrder.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<partition xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:noNamespaceSchemaLocation="../Schema/fs.xsd" >
+
+ <!-- Wrong order: directory*, file*, symlink* expected -->
+ <symlink name="symA" inode="107" target="100"/>
+ <file name="b" inode="103"/>
+ <directory name="A" inode="100"/>
+</partition>
+
+<?xmlTest
+ points = "2"
+ expectedToBeValid = "false"
+ preconditionValid = "0120valid_uniqueComponents.xml" ?>
\ No newline at end of file
diff --git a/Klausuren/Sda1/2017winter/Solve/SchemaTest/0180valid_hierarchy.xml b/Klausuren/Sda1/2017winter/Solve/SchemaTest/0180valid_hierarchy.xml
new file mode 100644
index 000000000..b417e9070
--- /dev/null
+++ b/Klausuren/Sda1/2017winter/Solve/SchemaTest/0180valid_hierarchy.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<partition xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:noNamespaceSchemaLocation="../Schema/fs.xsd" >
+
+ <directory name="A" inode="100">
+ <directory name="A_C" inode="104">
+ <file name="A_C_start.xml" inode="105"/>
+ </directory>
+ <file name="A_C.odt" inode="106"/>
+ <symlink name="A_C_sym.txt" inode="107" target="105"/>
+ </directory>
+ <directory name="B" inode="101"/>
+
+</partition>
\ No newline at end of file
diff --git a/Klausuren/Sda1/2017winter/Solve/SchemaTest/0200invalid_hierarchyDuplicateInode.xml b/Klausuren/Sda1/2017winter/Solve/SchemaTest/0200invalid_hierarchyDuplicateInode.xml
new file mode 100644
index 000000000..a7f0b3369
--- /dev/null
+++ b/Klausuren/Sda1/2017winter/Solve/SchemaTest/0200invalid_hierarchyDuplicateInode.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<partition xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:noNamespaceSchemaLocation="../Schema/fs.xsd" >
+
+ <directory name="A" inode="100">
+ <directory name="A_C" inode="104">
+ <file name="A_C_start.xml" inode="101"/>
+ </directory>
+ <file name="A_C.odt" inode="106"/>
+ <symlink name="A_C_sym.txt" inode="107" target="101"/>
+ </directory>
+ <directory name="B" inode="101"/>
+
+</partition>
+<?xmlTest points = "3"
+ expectedToBeValid = "false"
+ preconditionValid = "0180valid_hierarchy.xml" ?>
diff --git a/Klausuren/Sda1/2017winter/Solve/SchemaTest/0220invalid_hierarchyDuplicateName.xml b/Klausuren/Sda1/2017winter/Solve/SchemaTest/0220invalid_hierarchyDuplicateName.xml
new file mode 100644
index 000000000..e68d0793d
--- /dev/null
+++ b/Klausuren/Sda1/2017winter/Solve/SchemaTest/0220invalid_hierarchyDuplicateName.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<partition xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:noNamespaceSchemaLocation="../Schema/fs.xsd" >
+
+ <directory name="A" inode="100">
+ <directory name="A_C" inode="104">
+ <file name="A_C_start.xml" inode="105"/>
+ </directory>
+ <file name="A_C.odt" inode="106"/>
+ <symlink name="A_C_sym.txt" inode="107" target="105"/>
+ </directory>
+ <directory name="A" inode="101"/> <!-- Error: prior <directory name="A" -->
+
+</partition>
+<?xmlTest points = "3"
+ expectedToBeValid = "false"
+ preconditionValid = "0180valid_hierarchy.xml" ?>
diff --git a/Klausuren/Sda1/2017winter/Solve/SchemaTest/0300invalid_hierarchyReference.xml b/Klausuren/Sda1/2017winter/Solve/SchemaTest/0300invalid_hierarchyReference.xml
new file mode 100644
index 000000000..4565cbba9
--- /dev/null
+++ b/Klausuren/Sda1/2017winter/Solve/SchemaTest/0300invalid_hierarchyReference.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<partition xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:noNamespaceSchemaLocation="../Schema/fs.xsd" >
+
+ <directory name="A" inode="100">
+ <directory name="A_C" inode="104">
+ <file name="A_C_start.xml" inode="105"/>
+ </directory>
+ <file name="A_C" inode="106"/>
+ <symlink name="A_C_sym.txt" inode="107" target="105"/>
+ </directory>
+ <directory name="B" inode="101"/>
+
+</partition>
+<?xmlTest points = "3"
+ expectedToBeValid = "false"
+ preconditionValid = "0180valid_hierarchy.xml" ?>
diff --git a/Klausuren/Sda1/2017winter/Solve/SchemaTest/0320invalid_hierarchyOrder.xml b/Klausuren/Sda1/2017winter/Solve/SchemaTest/0320invalid_hierarchyOrder.xml
new file mode 100644
index 000000000..d73490946
--- /dev/null
+++ b/Klausuren/Sda1/2017winter/Solve/SchemaTest/0320invalid_hierarchyOrder.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<partition xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:noNamespaceSchemaLocation="../Schema/fs.xsd" >
+
+ <directory name="A" inode="100">
+ <symlink name="A_C_sym.txt" inode="107" target="105"/>
+
+ <!-- Error: Order directory*, file*, symlink* -->
+ <file name="A_C.odt" inode="106"/>
+ <directory name="A_C" inode="104">
+ <file name="A_C_start.xml" inode="105"/>
+ </directory>
+ </directory>
+ <directory name="B" inode="101"/>
+
+</partition>
+<?xmlTest points = "3"
+ expectedToBeValid = "false"
+ preconditionValid = "0180valid_hierarchy.xml" ?>
diff --git a/Klausuren/Sda1/2017winter/Solve/Sql/Student.sql b/Klausuren/Sda1/2017winter/Solve/Sql/Student.sql
new file mode 100644
index 000000000..8001ba823
--- /dev/null
+++ b/Klausuren/Sda1/2017winter/Solve/Sql/Student.sql
@@ -0,0 +1,19 @@
+
+DROP TABLE IF EXISTS Student;
+
+CREATE TABLE Student (
+
+ id INT NOT NULL,
+ name VARCHAR(20) NOT NULL,
+ studyCourse CHAR(3) NULL,
+ gender CHAR(1), /* f (female) or m (male) */
+ fullTime BOOLEAN NULL,
+ PRIMARY KEY (id)
+);
+
+INSERT INTO Student VALUES(100, 'Eve', 'MIB', 'f', TRUE );
+INSERT INTO Student VALUES(101, 'John', 'PMM', 'm', NULL );
+INSERT INTO Student VALUES(102, 'Bill', NULL, 'm', TRUE );
+INSERT INTO Student VALUES(103, 'Petra', 'CSM', 'm', FALSE );
+
+SELECT * FROM Student;
diff --git a/Klausuren/Sda1/2017winter/Solve/pom.xml b/Klausuren/Sda1/2017winter/Solve/pom.xml
new file mode 100644
index 000000000..74925c58d
--- /dev/null
+++ b/Klausuren/Sda1/2017winter/Solve/pom.xml
@@ -0,0 +1,101 @@
+<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.sda1</groupId>
+ <artifactId>sda1_2017winter_solve</artifactId>
+ <version>1.0</version>
+ <packaging>jar</packaging>
+
+ <name>sda1_2017winter_solve</name>
+
+ <url>http://freedocs.mi.hdm-stuttgart.de</url>
+
+ <properties>
+ <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+ </properties>
+
+ <repositories>
+ <repository>
+ <id>hdm-mi-internal-maven-repo</id>
+ <url>https://maven.mi.hdm-stuttgart.de/artifacts</url>
+ </repository>
+ </repositories>
+
+ <dependencies>
+
+ <dependency>
+ <groupId>org.opengis.cite.xerces</groupId>
+ <artifactId>xercesImpl-xsd11</artifactId>
+ <version>2.12-beta-r1667115</version>
+ </dependency>
+
+ <dependency>
+ <groupId>junit</groupId>
+ <artifactId>junit</artifactId>
+ <version>4.12</version>
+ <scope>test</scope>
+ <optional>true</optional>
+ </dependency>
+
+ <dependency>
+ <groupId>mysql</groupId>
+ <artifactId>mysql-connector-java</artifactId>
+ <version>5.1.36</version>
+ <scope>runtime</scope>
+ </dependency>
+
+ <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>org.jdom</groupId>
+ <artifactId>jdom2</artifactId>
+ <version>2.0.6</version>
+ </dependency>
+
+ <dependency>
+ <groupId>jaxen</groupId>
+ <artifactId>jaxen</artifactId>
+ <version>1.1.6</version>
+ </dependency>
+
+ <dependency>
+ <groupId>de.hdm_stuttgart.mi.exam</groupId>
+ <artifactId>unitmarking</artifactId>
+ <version>0.9</version>
+ </dependency>
+
+ </dependencies>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-compiler-plugin</artifactId>
+ <version>3.5.1</version>
+ <configuration>
+ <source>1.8</source>
+ <target>1.8</target>
+ <compilerArgument>-proc:none</compilerArgument>
+ </configuration>
+ </plugin>
+
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-javadoc-plugin</artifactId>
+ <version>2.10.1</version>
+ <configuration />
+ </plugin>
+ </plugins>
+ </build>
+</project>
diff --git a/Klausuren/Sda1/2017winter/Solve/src/main/java/de/hdm_stuttgart/mi/sda1/exam/dataexport/Db2Html.java b/Klausuren/Sda1/2017winter/Solve/src/main/java/de/hdm_stuttgart/mi/sda1/exam/dataexport/Db2Html.java
new file mode 100644
index 000000000..717a23dfa
--- /dev/null
+++ b/Klausuren/Sda1/2017winter/Solve/src/main/java/de/hdm_stuttgart/mi/sda1/exam/dataexport/Db2Html.java
@@ -0,0 +1,121 @@
+package de.hdm_stuttgart.mi.sda1.exam.dataexport;
+
+import org.jdom2.Element;
+import org.jdom2.output.Format;
+import org.jdom2.output.XMLOutputter;
+
+import java.io.IOException;
+import java.sql.*;
+
+/**
+ * Exporting company data. Execution requires importing corresponding
+ * schema and optionally sample data from Sql/sample.sql
+ */
+public class Db2Html {
+
+ /**
+ * @param args Unused
+ * @throws SQLException Many things may fail ...
+ */
+ public static void main(String[] args) throws SQLException, IOException {
+ final Connection conn = DriverManager.getConnection(
+ "jdbc:mysql://localhost:3306/hdm",
+ "hdmuser",
+ "XYZ");
+
+ final Element result = getHtml(conn, "Student");
+
+ final Format outFormat = Format.getPrettyFormat(); // Set output formatting
+ //outFormat.setTextMode(Format.TextMode.PRESERVE);
+
+ final XMLOutputter printer = new XMLOutputter(outFormat);
+ printer.output(result, System.out);
+ }
+
+ /**
+ * <p>Creating HTML tabular data corresponding to a single relational table. Typical output containing both
+ * data and meta-data:</p>
+ * <pre><html>
+ * <head><title>Table Student data</title></head>
+ * <body>
+ * <table>
+ * <tr>
+ * <th>id</th>
+ * <th>name</th>
+ * <th>studyCourse</th>
+ * <th>gender</th>
+ * <th>fullTime</th>
+ * </tr>
+ * ...
+ * <tr>
+ * <td>101</td>
+ * <td>John</td>
+ * <td>PMM</td>
+ * <td>m</td>
+ * <td>
+ * <strong>NULL</strong>
+ * </td>
+ * </tr>
+ * ...
+ * </table>
+ * </body>
+ *</html></pre>
+ *
+ * @param connection A database connection
+ * @param tableName A relational table name: Its meta information and contained data will be
+ * converted to HTML.
+ * @return The generated HTML tree containing a table similar to the example.
+ * @throws SQLException A lot of things my fail ...
+ */
+ public static Element getHtml(final Connection connection, final String tableName) throws SQLException {
+
+ final Element html = new Element("html");
+
+ final Element head = new Element("head");
+ html.addContent(head);
+
+ final Element title = new Element("title");
+ head.addContent(title);
+ title.addContent("Table ").addContent(tableName).addContent(" data");
+
+ final Element body = new Element("body");
+ html.addContent(body);
+
+ final Element table = new Element("table");
+ body.addContent(table);
+
+ final Statement statement = connection.createStatement();
+ final ResultSet data = statement.executeQuery("SELECT * FROM "+ tableName);
+ final ResultSetMetaData metaData = data.getMetaData();
+
+ { // Table header containg column names
+ final Element tr = new Element("tr");
+ table.addContent(tr);
+ for (int i = 1; i <= metaData.getColumnCount(); i++) {
+ final Element th = new Element("th");
+ th.addContent(metaData.getColumnName(i));
+ tr.addContent(th);
+ }
+ }
+
+ { // Table data
+ while (data.next()) {
+ final Element tr = new Element("tr");
+ table.addContent(tr);
+ for (int i = 1; i <= metaData.getColumnCount(); i++) {
+ final Element td = new Element("td");
+ tr.addContent(td);
+
+ final String value = data.getString(i);
+ if (data.wasNull()) {
+ final Element strong = new Element("strong");
+ td.addContent(strong);
+ strong.addContent("NULL");
+ }
+ td.addContent(value);
+ }
+ }
+ }
+ return html;
+ }
+}
\ No newline at end of file
diff --git a/Klausuren/Sda1/2017winter/Solve/src/main/resources/log4j2.xml b/Klausuren/Sda1/2017winter/Solve/src/main/resources/log4j2.xml
new file mode 100644
index 000000000..c5115183f
--- /dev/null
+++ b/Klausuren/Sda1/2017winter/Solve/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>
+
+ <Logger name="de.hdm_stuttgart.mi.unitmarking" level="info">
+ <AppenderRef ref="A1"/>
+ </Logger>
+
+ <Root level="info">
+ <AppenderRef ref="STDOUT"/>
+ </Root>
+ </Loggers>
+</Configuration>
\ No newline at end of file
diff --git a/Klausuren/Sda1/2017winter/Solve/src/test/java/de/hdm_stuttgart/mi/sda1/exam/xsd/test/SchemaTest.java b/Klausuren/Sda1/2017winter/Solve/src/test/java/de/hdm_stuttgart/mi/sda1/exam/xsd/test/SchemaTest.java
new file mode 100644
index 000000000..b5b4c31ef
--- /dev/null
+++ b/Klausuren/Sda1/2017winter/Solve/src/test/java/de/hdm_stuttgart/mi/sda1/exam/xsd/test/SchemaTest.java
@@ -0,0 +1,26 @@
+package de.hdm_stuttgart.mi.sda1.exam.xsd.test;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import de.hdm_stuttgart.mi.unitmarking.xsd.InstanceSetEvaluation;
+
+/**
+ * Unit test for an XML instance set.
+ */
+@SuppressWarnings("static-method")
+public class SchemaTest {
+ /**
+ * Testing a suite of XML instances.
+ */
+ @Test
+ public void testXmlInstanceSet() {
+
+ final InstanceSetEvaluation ise =
+ new InstanceSetEvaluation("SchemaTest", "Schema/fs.xsd");
+
+ System.out.println(ise.getMessages());
+
+ Assert.assertTrue(ise.getErrorMessages(), ise.allTestsSucceeded);
+ }
+}
\ No newline at end of file
--
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