Confluence Macro - Render XML response from HTTP service

Macro

#set($path=$param0.replace("::", "="))

#set($space=$renderContext.getOriginalContext().getSpaceKey())
#if($space.equals("PRIVATE"))
#set($domain="http://your.internal.url")
#else
#set($domain="http://your.public.url")
#end

#set($url="${domain}${path}")

[$url]

#set($helper=$action.getHelper())
#set($xml=$helper.renderConfluenceMacro("{xslt:source=#$url|output=wiki|style=path.to.xslt.here}{xslt}"))
#set($xml=$xml.replace("<p>", ""))
#set($xml=$xml.replace("</p>", ""))
#set($xml=$xml.replace("<br/>", ""))
#set($xml=$xml.replace("&lt;", "<"))
#set($xml=$xml.replace("&gt;", ">"))
{code:xml}
$xml
{code}

Macro - Example Usage

{render-xml:/some/service/endpoint?a-query-param::and-its-value}

pretty-print.xsl

<!-- (c) John Mongan, copied from: http://www.dpawson.co.uk/xsl/sect2/pretty.html -->
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
    <xsl:output method="xml"/>
    <xsl:param name="indent-increment" select="'   '" />

    <xsl:template match="*">
        <xsl:param name="indent" select="'&#xA;'"/>

        <xsl:value-of select="$indent"/>
        <xsl:copy>
            <xsl:copy-of select="@*" />
            <xsl:apply-templates>
                <xsl:with-param name="indent" select="concat($indent, $indent-increment)"/>
            </xsl:apply-templates>
            <xsl:if test="*">
                <xsl:value-of select="$indent"/>
            </xsl:if>
        </xsl:copy>
    </xsl:template>

    <xsl:template match="comment()|processing-instruction()">
        <xsl:copy />
    </xsl:template>

    <!-- WARNING: this is dangerous. Handle with care -->
    <xsl:template match="text()[normalize-space(.)='']"/>
</xsl:stylesheet>