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R3704/hadoop-2.3.0-src/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfsclusterhealth_utils.xsl
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dfsclusterhealth_utils.xsl
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<!--
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
-->
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template name="humanReadableBytes">
<xsl:param name="number"/>
<xsl:variable name="kb" select="1024"/>
<xsl:variable name="Mb" select="$kb * 1024"/>
<xsl:variable name="Gb" select="$Mb * 1024"/>
<xsl:variable name="Tb" select="$Gb * 1024"/>
<xsl:variable name="Pb" select="$Tb * 1024"/>
<xsl:choose>
<xsl:when test="$number &lt; $kb"><xsl:value-of select="format-number($number, '#,###.##')"/> b</xsl:when>
<xsl:when test="$number &lt; $Mb"><xsl:value-of select="format-number($number div $kb, '#,###.00')"/> kb</xsl:when>
<xsl:when test="$number &lt; $Gb"><xsl:value-of select="format-number($number div $Mb, '#,###.00')"/> Mb</xsl:when>
<xsl:when test="$number &lt; $Tb"><xsl:value-of select="format-number($number div $Gb, '#,###.00')"/> Gb</xsl:when>
<xsl:when test="$number &lt; $Pb"><xsl:value-of select="format-number($number div $Tb, '#,###.00')"/> Tb</xsl:when>
<xsl:when test="$number &lt; ($Pb * 1024)"><xsl:value-of select="format-number($number div $Pb, '#,###.00')"/> Pb</xsl:when>
<xsl:otherwise><xsl:value-of select="format-number($number, '#,###.00')"/> b</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template name="percentage">
<xsl:param name="number"/>
<xsl:value-of select="format-number($number, '0.000%')"/>
</xsl:template>
<!--
Displays value:
- if it has parameter unit="b" then call humanReadableBytes
- if it has parameter link then call displayLink
-->
<xsl:template name="displayValue">
<xsl:param name="value"/>
<xsl:param name="unit"/>
<xsl:param name="link"/>
<xsl:choose>
<xsl:when test="$unit = 'b'">
<xsl:call-template name="humanReadableBytes">
<xsl:with-param name="number">
<xsl:value-of select="@value"/>
</xsl:with-param>
</xsl:call-template>
</xsl:when>
<xsl:when test="$unit = '%'">
<xsl:call-template name="percentage">
<xsl:with-param name="number">
<xsl:value-of select="@value"/>
</xsl:with-param>
</xsl:call-template>
</xsl:when>
<xsl:when test="string-length($link) &gt; 0">
<a href="{$link}"><xsl:value-of select="$value"/></a>
</xsl:when>
<xsl:otherwise><xsl:value-of select="$value"/></xsl:otherwise>
</xsl:choose>
</xsl:template>
</xsl:stylesheet>
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