From 0231b111189ad201871aa0714a69163d87031f79 Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Thu, 28 Aug 2014 12:38:49 +0200
Subject: Added formatted error output to the summarize transformation *
 generation errors are returned in the "log" node of the appropriate task node
 * "summarize.xsl" transforms the nodes of all failed tasks into a easily
 readable plain-text version ** the output is specialized on the different
 task types

---
 process.xsl   | 18 +++++++++++++-----
 summarize.xsl | 38 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 51 insertions(+), 5 deletions(-)

diff --git a/process.xsl b/process.xsl
index a0c1895..0580fa2 100644
--- a/process.xsl
+++ b/process.xsl
@@ -39,14 +39,22 @@
 	<xsl:param name="transformation"/>
 	<xsl:param name="target"/>
 
+	<xsl:variable name="generation_result" select="InputXSLT:generate(
+		$input,
+		$transformation,
+		$target
+	)/self::generation"/>
+
 	<subtask>
 		<xsl:attribute name="result">
-			<xsl:value-of select="InputXSLT:generate(
-				$input,
-				$transformation,
-				$target
-			)/self::generation/@result"/>
+			<xsl:value-of select="$generation_result/@result"/>
 		</xsl:attribute>
+		<xsl:if test="$generation_result/@result = 'error'">
+			<log>
+				<xsl:copy-of select="$generation_result/error"/>
+			</log>
+		</xsl:if>
+
 		<target>
 			<xsl:value-of select="$target"/>
 		</target>
diff --git a/summarize.xsl b/summarize.xsl
index 78f89fd..b4e6375 100644
--- a/summarize.xsl
+++ b/summarize.xsl
@@ -11,6 +11,42 @@
 	indent="no"
 />
 
+<xsl:template match="task[@result = 'error']">
+	<xsl:text>&#xa;Error #</xsl:text>
+	<xsl:value-of select="position()"/>
+	<xsl:text>: </xsl:text>
+
+	<xsl:choose>
+		<xsl:when test="@type = 'generate'">
+			<xsl:for-each select="subtask[@result = 'error']">
+				<xsl:text>Generation of "</xsl:text>
+				<xsl:value-of select="target"/>
+				<xsl:text>" failed.</xsl:text>
+
+				<xsl:for-each select="log/error">
+					<xsl:text>&#xa;</xsl:text>
+					<xsl:value-of select="."/>
+				</xsl:for-each>
+			</xsl:for-each>
+		</xsl:when>
+		<xsl:when test="@type = 'link'">
+			<xsl:text>Link from "</xsl:text>
+			<xsl:value-of select="from"/>
+			<xsl:text>" to "</xsl:text>
+			<xsl:value-of select="to"/>
+			<xsl:text>" failed.</xsl:text>
+		</xsl:when>
+		<xsl:when test="@type = 'clean'">
+			<xsl:text>Cleaning of "</xsl:text>
+			<xsl:value-of select="path"/>
+			<xsl:text>" failed.</xsl:text>
+		</xsl:when>
+		<xsl:otherwise>
+			<xsl:copy-of select="."/>
+		</xsl:otherwise>
+	</xsl:choose>
+</xsl:template>
+
 <xsl:template match="datasource">
 	<xsl:variable name="total_count"   select="count(task)"/>
 	<xsl:variable name="success_count" select="count(task[@result = 'success'])"/>
@@ -32,6 +68,8 @@
 		</xsl:otherwise>
 	</xsl:choose>
 	<xsl:text>.&#xa;</xsl:text>
+
+	<xsl:apply-templates select="task[@result = 'error']"/>
 </xsl:template>
 
 </xsl:stylesheet>
-- 
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