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Commit 40ddb20f authored by Goik Martin's avatar Goik Martin
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Final remarks

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Sda1/Etest/Xslt1/XsltSolution/person2user.xsl
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......@@ -8,11 +8,11 @@
<users xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="user.xsd"
>
<xsl:apply-templates select="person[@id]"/>
<xsl:apply-templates select="person[@id]"/> <!-- Selecting only <person> nodes having an @id attribute -->
</users>
</xsl:template>
<xsl:template match="person[@id]">
<xsl:template match="person[@id]"> <!-- <person> elements without @id attribute cannot show up -->
<user index="{position()}" uid="user_{@id}">
<uid>
<xsl:value-of select="lastName"/>
......@@ -23,8 +23,9 @@
<xsl:value-of select="lastName"/>
</fullName>
<contact>
<xsl:choose>
<xsl:choose> <!-- <xsl:choose> acts like if(...) ... else if(...) ... else {} -->
<xsl:when test="email">
<!--<xsl:attribute ...> acts on the nearest non-XSL ancestor element (<contact>) -->
<xsl:attribute name="type" select="'email'"/>
<xsl:value-of select="email"/>
</xsl:when>
......@@ -39,14 +40,5 @@
</contact>
</user>
</xsl:template>
<!-- Just in case of forgotten rules. -->
<xsl:template match="*">
<xsl:message>
<xsl:text>Error: No template matching element '</xsl:text>
<xsl:value-of select="name(.)"/>
<xsl:text>'</xsl:text>
</xsl:message>
</xsl:template>
</xsl:stylesheet>
\ No newline at end of file
Sda1/Etest/Xslt1/user.xhtml
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− 15
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......@@ -5,12 +5,24 @@
<title></title>
</head>
<body><h2>Objective</h2><p>A list of persons being represented by an XML
document instance shall be transferred into a different XML
representation.</p><h2>Preparations</h2><p>Download XXX.zip and import it as
a project into your Eclipse workspace.</p><h2>Description</h2><p>The
imported Eclipse project contains the following sample document instance
<code>userData.xml</code>:</p><pre>&lt;persons
<body><h2>Objective</h2><p>An XML list of persons being represented by an
XML document instance shall be transformed into a different XML
representation. The idea is to turn a business description of persons into a
user database defining system logins.</p><h2>Preparations</h2><ol>
<li>Download <a
href="https://learn.mi.hdm-stuttgart.de/iliasData/goik/sdfweergdth45n3535nr3rn3Gff/xslt.zip">xslt.zip</a>
and import it as a project into your Eclipse workspace.</li>
<li>Your resulting Project named Xslt contains a file
<code>personData.xml</code> and an XSLT skeleton file
<code>person2user.xsl</code>. Define an Xslt transformation scenario
which turns <code>personData.xml</code> into <code>user.xml</code> by
means of <code>person2user.xsl</code>. <span style="color: red;">Do not
overwrite the intended sample output data file
<code>userData.xml</code></span>.</li>
</ol><h2>Description</h2><p>The imported Eclipse project contains the
following sample document instance <code>personData.xml</code>:</p><pre
style="font-family:monospace;">&lt;persons
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="person.xsd"&gt;
......@@ -20,16 +32,19 @@
&lt;phone&gt;322-33434&lt;/phone&gt;
&lt;/person&gt;
... see your Eclipse workspace for further details
... see your Eclipse workspace file personData.xml for further details
&lt;/persons&gt;</pre><p>We want to generate the following output:</p><pre>&lt;users xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
&lt;/persons&gt;</pre><p>This file is valid with respect to
<code>person.xsd</code>. We want to generate the following result as being
shown in your <code>userData.xml</code> sample output file:</p><pre
style="font-family:monospace;">&lt;users xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="user.xsd"&gt;
&lt;user index="1" uid="user_23"&gt;
&lt;uid&gt;White&lt;/uid&gt;
&lt;fullName&gt;Sue White&lt;/fullName&gt;
&lt;contact type="phone"&gt;322-33434&lt;/contact&gt;
&lt;/user&gt;
... see your Eclipse workspace for further details
... see your Eclipse workspace sample output file userData.xml for further details
&lt;/users&gt;</pre><p>The following conditions shall be met:</p><ul>
<li>&lt;person&gt; entries without id attribute shall be excluded</li>
......@@ -50,12 +65,11 @@
<code>&lt;email&gt;</code> nor <code>&lt;phone&gt;</code> is
present.</li>
</ul></li>
</ul><p>Both input and output may be validated against
<code>person.xsd</code> and <code>user.xsd</code>
respectively.</p><h2>ToDo</h2><p>Start from provided file
<code>person2user.xsl</code> and extend it to implement the previously
described transformation. When you are finished just upload your file
<code>person2user.xsl</code>.</p><h2>Hints</h2><p>The function
</ul><p>The generated output file shall be valid with respect to
<code>user.xsd</code>.</p><h2>ToDo</h2><p>Start from
<code>person2user.xsl</code> and implement the previously described
transformation. When you are finished upload your final
<code>person2user.xsl</code> result.</p><h2>Hints</h2><p>The function
<code>position()</code> returns the index of an element within a given node
set.</p></body>
</html>
Sda1/Etest/Xslt1/userSolution.xhtml 0 → 100644
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− 0
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
</head>
<body><h1>Solution</h1><p>A possible style sheet implementation
reads:</p><pre style="font-family:monospace;"> &lt;xsl:template match="/persons"&gt;
&lt;users xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="user.xsd"
&gt;
&lt;xsl:apply-templates select="person[@id]"/&gt; &lt;!-- Selecting only &lt;person&gt; nodes having an @id attribute --&gt;
&lt;/users&gt;
&lt;/xsl:template&gt;
&lt;xsl:template match="person[@id]"&gt; &lt;!-- &lt;person&gt; elements without @id attribute cannot show up --&gt;
&lt;user index="{position()}" uid="user_{@id}"&gt;
&lt;uid&gt;
&lt;xsl:value-of select="lastName"/&gt;
&lt;/uid&gt;
&lt;fullName&gt;
&lt;xsl:value-of select="firstName"/&gt;
&lt;xsl:text&gt; &lt;/xsl:text&gt;
&lt;xsl:value-of select="lastName"/&gt;
&lt;/fullName&gt;
&lt;contact&gt;
&lt;xsl:choose&gt; &lt;!-- &lt;xsl:choose&gt; acts like if(...) ... else if(...) ... else {} --&gt;
&lt;xsl:when test="email"&gt;
&lt;!--&lt;xsl:attribute ...&gt; acts on the nearest non-XSL ancestor element (&lt;contact&gt;) --&gt;
&lt;xsl:attribute name="type" select="'email'"/&gt;
&lt;xsl:value-of select="email"/&gt;
&lt;/xsl:when&gt;
&lt;xsl:when test="phone"&gt;
&lt;xsl:attribute name="type" select="'phone'"/&gt;
&lt;xsl:value-of select="phone"/&gt;
&lt;/xsl:when&gt;
&lt;xsl:otherwise&gt;
&lt;xsl:attribute name="type" select="'none'"/&gt;
&lt;/xsl:otherwise&gt;
&lt;/xsl:choose&gt;
&lt;/contact&gt;
&lt;/user&gt;
&lt;/xsl:template&gt;</pre></body>
</html>
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