使用Java轉換器和命令行處理器的xsl轉換的不同結果
[英]different results of xsl transformation using java transformer and command line processor
問題描述
在Java中應用XSL可以處理某些數據樣本，但對其他數據樣本卻會產生空結果，而命令行處理器仍會產生有效結果。 以下是我看到差異的示例。 給定下面列出的XSL和XML，命令行：
saxonb-xslt -s:metsmods_test3.xml -xsl:metsmods2.xsl
收益：
Warning: at xsl:stylesheet on line 5 column 61 of metsmods2.xsl:
Running an XSLT 1.0 stylesheet with an XSLT 2.0 processor
main_label:Wachsende Häuser aus lebenden Bäumen entstehend
identifier:urn:nbn:de:kobv:83-goobi-3255500
main_label:II. Teil. Art und Verwendung der Naturbauten.
identifier:urn:nbn:de:kobv:83-goobi-3255762
main_label:III. Teil. Erörterung sonstiger Punkte.
identifier:urn:nbn:de:kobv:83-goobi-3255929
main_label:
identifier:urn:nbn:de:kobv:83-goobi-3256094
main_label:
identifier:urn:nbn:de:kobv:83-goobi-3256100
identifier.kobv:990006350260302884
title:Wachsende Häuser aus lebenden Bäumen entstehend
title:Wachsende Häuser aus lebenden Bäumen entstehend
但是Java變形代碼段（摘自https://examples.javacodegeeks.com/core-java/xml/xpath/xpath-xslt-tutorial/ ，下面列出）在saxonb-xslt所做的相同文件上不產生任何輸出。 我認為這與命名空間或對DTD的訪問有關，命令行處理器和所選的轉換器對DTD的處理方式不同。 但是到底是什么？ 為什么用Java處理時沒有異常？
碼：
public class Main {
private static Document document;
public static void main(String[] args) throws Exception {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
File xml = new File("/home/peter/1stax/src/metsmods_test3.xml");
File xsl = new File("/home/peter/1stax/src/metsmods2.xsl");
DocumentBuilder builder = factory.newDocumentBuilder();
document = builder.parse(xml);
// Use a Transformer for output
TransformerFactory transformerFactory = TransformerFactory.newInstance();
StreamSource style = new StreamSource(xsl);
Transformer transformer = transformerFactory.newTransformer(style);
DOMSource source = new DOMSource(document);
StreamResult result = new StreamResult(System.out);
transformer.transform(source, result);
}
}
XSL：
<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:mets="http://www.loc.gov/METS/"
xmlns:mods="http://www.loc.gov/mods/v3"
xmlns:goobi="http://meta.goobi.org/v1.5.1/">
<xsl:output method="text" omit-xml-declaration="yes" indent="no" encoding="utf-8"/>
<xsl:variable name="dmdsec_id">
<xsl:choose>
<xsl:when test="/mets:mets/mets:structMap[@TYPE='LOGICAL']/mets:div/@DMDID">
<xsl:value-of select="/mets:mets/mets:structMap[@TYPE='LOGICAL']/mets:div/@DMDID"/>
</xsl:when>
<xsl:otherwise>
<xsl:choose>
<xsl:when test="/mets:mets/mets:structMap[@TYPE='LOGICAL']/mets:div/mets:div/@DMDID">
<xsl:value-of select="/mets:mets/mets:structMap[@TYPE='LOGICAL']/mets:div/mets:div/@DMDID"/>
</xsl:when>
<xsl:otherwise>
<xsl:text>DMDLOG_0000</xsl:text>
</xsl:otherwise>
</xsl:choose>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:template match="/">
<xsl:for-each select="//mets:structMap[@TYPE='LOGICAL']/mets:div">
main_label:<xsl:value-of select="@LABEL"/>
identifier:<xsl:value-of select="@CONTENTIDS"/>
</xsl:for-each>
<xsl:for-each select="//mets:dmdSec[@ID=$dmdsec_id]/mets:mdWrap/mets:xmlData/mods:mods/mods:identifier">
identifier.<xsl:value-of select="@type"/>:<xsl:value-of select="."/>
</xsl:for-each>
<xsl:for-each select="//mets:dmdSec[@ID=$dmdsec_id]/mets:mdWrap/mets:xmlData/mods:mods/mods:recordInfo/mods:recordIdentifier">
identifier.<xsl:value-of select="@source"/>:<xsl:value-of select="."/>
</xsl:for-each>
<xsl:for-each select="//mets:dmdSec[@ID=$dmdsec_id]/mets:mdWrap/mets:xmlData/mods:mods/mods:titleInfo/mods:title">
title:<xsl:value-of select="."/>
</xsl:for-each>
</xsl:template>
</xsl:stylesheet>
xml數據：
<?xml version="1.0" encoding="UTF-8"?>
<mets:mets OBJID="" xsi:schemaLocation="http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-5.xsd http://www.loc.gov/METS/ http://www.loc.gov/standards/mets/mets.xsd http://www.loc.gov/standards/premis/ http://www.loc.gov/standards/premis/v2/premis-v2-0.xsd http://www.loc.gov/standards/mix/ http://www.loc.gov/standards/mix/mix.xsd" xmlns:mets="http://www.loc.gov/METS/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<mets:metsHdr CREATEDATE="2018-02-27T12:37:35Z">
<mets:agent OTHERTYPE="SOFTWARE" ROLE="CREATOR" TYPE="OTHER">
<mets:name>Goobi - ugh-3.0-ugh-2.0.0-29-g3b6efe1 - 21−December−2016</mets:name>
<mets:note>Goobi</mets:note>
</mets:agent>
</mets:metsHdr>
<mets:dmdSec ID="DMDLOG_0000">
<mets:mdWrap MDTYPE="MODS">
<mets:xmlData>
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Wachsende Häuser aus lebenden Bäumen entstehend</mods:title>
</mods:titleInfo>
<mods:titleInfo type="uniform">
<mods:title>Wachsende Häuser aus lebenden Bäumen entstehend</mods:title>
</mods:titleInfo>
<mods:recordInfo>
<mods:recordIdentifier source="kobv">990006350260302884</mods:recordIdentifier>
</mods:recordInfo>
<mods:classification authority="ivdcc">Deutsche Gartenbaubibliothek#Monographien#Gartenbau</mods:classification>
<mods:classification authority="ivdcc">Zentralbibliothek#Monographien#Technik, Architektur, Bauwesen</mods:classification>
<mods:language>
<mods:languageTerm authority="iso639-2b" type="code">ger</mods:languageTerm>
</mods:language>
<mods:originInfo>
<mods:dateIssued encoding="w3cdtf" keyDate="yes">[1926]</mods:dateIssued>
</mods:originInfo>
<mods:accessCondition type="use and reproduction">https://creativecommons.org/publicdomain/mark/1.0/</mods:accessCondition>
<mods:physicalDescription>
<mods:extent>320 Seiten</mods:extent>
<mods:digitalOrigin>reformatted digital</mods:digitalOrigin>
</mods:physicalDescription>
<mods:location>
<mods:shelfLocator>8Af6500</mods:shelfLocator>
<mods:physicalLocation>Universitätsbibliothek der Technischen Universität Berlin</mods:physicalLocation>
</mods:location>
<mods:name authority="gnd" authorityURI="http://d-nb.info/gnd/" type="personal" valueURI="http://d-nb.info/gnd/1065837569">
<mods:role>
<mods:roleTerm authority="marcrelator" type="code">aut</mods:roleTerm>
</mods:role>
<mods:namePart type="family">Wiechula</mods:namePart>
<mods:namePart type="given">Arthur</mods:namePart>
<mods:displayForm>Wiechula, Arthur</mods:displayForm>
</mods:name>
<mods:originInfo>
<mods:place>
<mods:placeTerm type="text">Berlin</mods:placeTerm>
</mods:place>
<mods:dateCaptured encoding="w3cdtf">2018</mods:dateCaptured>
<mods:publisher>Universitätsbibliothek der Technischen Universität Berlin</mods:publisher>
<mods:edition>[Electronic ed.]</mods:edition>
</mods:originInfo>
</mods:mods>
</mets:xmlData>
</mets:mdWrap>
</mets:dmdSec>
<mets:fileSec>
<mets:fileGrp USE="PRESENTATION">
<mets:file ID="FILE_0001_PRESENTATION" MIMETYPE="image/tif">
<mets:FLocat LOCTYPE="URL" xlink:href="file:///opt/digiverso/viewer/media/990006350260302884/wiecwach_990006350260302884_0001.tif" xmlns:xlink="http://www.w3.org/1999/xlink"/>
</mets:file>
<mets:file ID="FILE_0002_PRESENTATION" MIMETYPE="image/tif">
<mets:FLocat LOCTYPE="URL" xlink:href="file:///opt/digiverso/viewer/media/990006350260302884/wiecwach_990006350260302884_0002.tif" xmlns:xlink="http://www.w3.org/1999/xlink"/>
</mets:file>
<mets:file ID="FILE_0003_PRESENTATION" MIMETYPE="image/tif">
<mets:FLocat LOCTYPE="URL" xlink:href="file:///opt/digiverso/viewer/media/990006350260302884/wiecwach_990006350260302884_0003.tif" xmlns:xlink="http://www.w3.org/1999/xlink"/>
</mets:file>
<mets:file ID="FILE_0004_PRESENTATION" MIMETYPE="image/tif">
<mets:FLocat LOCTYPE="URL" xlink:href="file:///opt/digiverso/viewer/media/990006350260302884/wiecwach_990006350260302884_0004.tif" xmlns:xlink="http://www.w3.org/1999/xlink"/>
</mets:file>
<mets:file ID="FILE_0005_PRESENTATION" MIMETYPE="image/tif">
<mets:FLocat LOCTYPE="URL" xlink:href="file:///opt/digiverso/viewer/media/990006350260302884/wiecwach_990006350260302884_0005.tif" xmlns:xlink="http://www.w3.org/1999/xlink"/>
</mets:file>
</mets:fileGrp>
</mets:fileSec>
<mets:structMap TYPE="LOGICAL">
<mets:div ADMID="AMD" CONTENTIDS="urn:nbn:de:kobv:83-goobi-3255500" DMDID="DMDLOG_0000" ID="LOG_0000" LABEL="Wachsende Häuser aus lebenden Bäumen entstehend" TYPE="Monograph">
<mets:div CONTENTIDS="urn:nbn:de:kobv:83-goobi-3255512" ID="LOG_0001" TYPE="Cover"/>
<mets:div CONTENTIDS="urn:nbn:de:kobv:83-goobi-3255526" ID="LOG_0002" TYPE="TitlePage"/>
<mets:div CONTENTIDS="urn:nbn:de:kobv:83-goobi-3255538" DMDID="DMDLOG_0003" ID="LOG_0003" LABEL="Vorwort." TYPE="Preface"/>
<mets:div CONTENTIDS="urn:nbn:de:kobv:83-goobi-3255549" DMDID="DMDLOG_0004" ID="LOG_0004" LABEL="Inhalts-Verzeichnis." TYPE="TableOfContents"/>
<mets:div CONTENTIDS="urn:nbn:de:kobv:83-goobi-3255550" DMDID="DMDLOG_0005" ID="LOG_0005" LABEL="Verzeichnis der Abbildungen." TYPE="ListOfIllustrations"/>
<mets:div CONTENTIDS="urn:nbn:de:kobv:83-goobi-3255567" DMDID="DMDLOG_0006" ID="LOG_0006" LABEL="Stichwörterverzeichnis." TYPE="OtherDocStrct"/>
</mets:div>
<mets:div CONTENTIDS="urn:nbn:de:kobv:83-goobi-3255762" DMDID="DMDLOG_0026" ID="LOG_0026" LABEL="II. Teil. Art und Verwendung der Naturbauten." TYPE="Chapter">
<mets:div CONTENTIDS="urn:nbn:de:kobv:83-goobi-3255774" DMDID="DMDLOG_0027" ID="LOG_0027" LABEL="18. Zäune." TYPE="Chapter"/>
<mets:div CONTENTIDS="urn:nbn:de:kobv:83-goobi-3255789" DMDID="DMDLOG_0028" ID="LOG_0028" LABEL="19. Einfache Häuser." TYPE="Chapter"/>
</mets:div>
<mets:div CONTENTIDS="urn:nbn:de:kobv:83-goobi-3255929" DMDID="DMDLOG_0042" ID="LOG_0042" LABEL="III. Teil. Erörterung sonstiger Punkte." TYPE="Chapter">
<mets:div CONTENTIDS="urn:nbn:de:kobv:83-goobi-3255936" DMDID="DMDLOG_0043" ID="LOG_0043" LABEL="33. Die Entstehungsdauer der Naturbauwerke." TYPE="Chapter"/>
<mets:div CONTENTIDS="urn:nbn:de:kobv:83-goobi-3255949" DMDID="DMDLOG_0044" ID="LOG_0044" LABEL="34. Das Lebensalter der Naturbauwerke." TYPE="Chapter"/>
</mets:div>
<mets:div CONTENTIDS="urn:nbn:de:kobv:83-goobi-3256094" ID="LOG_0059" TYPE="Cover"/>
<mets:div CONTENTIDS="urn:nbn:de:kobv:83-goobi-3256100" ID="LOG_0060" TYPE="ColorChart"/>
</mets:structMap>
<mets:structMap TYPE="PHYSICAL">
<mets:div ID="PHYS_0000" TYPE="physSequence">
<mets:div CONTENTIDS="urn:nbn:de:kobv:83-goobi-3256112" ID="PHYS_0001" ORDER="1" ORDERLABEL=" - " TYPE="page">
<mets:fptr FILEID="FILE_0001_PRESENTATION"/>
<mets:fptr FILEID="FILE_0001_MIN"/>
<mets:fptr FILEID="FILE_0001_DEFAULT"/>
<mets:fptr FILEID="FILE_0001_MAX"/>
<mets:fptr FILEID="FILE_0001_THUMBS"/>
</mets:div>
<mets:div CONTENTIDS="urn:nbn:de:kobv:83-goobi-3256122" ID="PHYS_0002" ORDER="2" ORDERLABEL=" - " TYPE="page">
<mets:fptr FILEID="FILE_0002_PRESENTATION"/>
<mets:fptr FILEID="FILE_0002_MIN"/>
<mets:fptr FILEID="FILE_0002_DEFAULT"/>
<mets:fptr FILEID="FILE_0002_MAX"/>
<mets:fptr FILEID="FILE_0002_THUMBS"/>
</mets:div>
<mets:div CONTENTIDS="urn:nbn:de:kobv:83-goobi-3256138" ID="PHYS_0003" ORDER="3" ORDERLABEL=" - " TYPE="page">
<mets:fptr FILEID="FILE_0003_PRESENTATION"/>
<mets:fptr FILEID="FILE_0003_MIN"/>
<mets:fptr FILEID="FILE_0003_DEFAULT"/>
<mets:fptr FILEID="FILE_0003_MAX"/>
<mets:fptr FILEID="FILE_0003_THUMBS"/>
</mets:div>
</mets:div>
</mets:structMap>
<mets:structLink>
<mets:smLink xlink:to="PHYS_0001" xlink:from="LOG_0000" xmlns:xlink="http://www.w3.org/1999/xlink"/>
<mets:smLink xlink:to="PHYS_0002" xlink:from="LOG_0000" xmlns:xlink="http://www.w3.org/1999/xlink"/>
<mets:smLink xlink:to="PHYS_0003" xlink:from="LOG_0000" xmlns:xlink="http://www.w3.org/1999/xlink"/>
<mets:smLink xlink:to="PHYS_0004" xlink:from="LOG_0000" xmlns:xlink="http://www.w3.org/1999/xlink"/>
<mets:smLink xlink:to="PHYS_0005" xlink:from="LOG_0000" xmlns:xlink="http://www.w3.org/1999/xlink"/>
<mets:smLink xlink:to="PHYS_0006" xlink:from="LOG_0000" xmlns:xlink="http://www.w3.org/1999/xlink"/>
</mets:structLink>
</mets:mets>
2 個解決方案
解決方案1
2 2018-03-15 15:03:47
按照Martin Honnen的回答，我從我正在使用的Snipplet形式“ javacodegeeks”中刪除了完全不必要的“ parse to DOM”部分（一定是在弄亂了名稱空間），並采取了最小的阻力方式，只是替換了它由StreamSource。 現在就可以了！ 這是新代碼：
import org.w3c.dom.Document;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;
import java.io.File;
public class Main {
private static Document document;
public static void main(String[] args) throws Exception {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
File xml = new File("/home/peter/1stax/src/metsmods_test3.xml");
File xsl = new File("/home/peter/1stax/src/metsmods2.xsl");
// Use a Transformer for output
TransformerFactory transformerFactory = TransformerFactory.newInstance();
StreamSource style = new StreamSource(xsl);
Transformer transformer = transformerFactory.newTransformer(style);
StreamSource source = new StreamSource (xml);
StreamResult result = new StreamResult(System.out);
transformer.transform(source, result);
}
}
解決方案2
1 已采納 2018-03-15 14:42:55
如果要使用Java處理XML和XSLT，請確保明確使用使用了名稱空間的DocumentBuilderFactory，否則將無法獲得有意義的結果，XSLT本身是XML，取決於名稱空間，並且使用的任何XML輸入也可以通過名稱空間支持得到更好的處理。
當然，只要簡單地將文件中的XML用作輸入，就不需要DocumentBuilder和DOMSource，也可以使用StreamSource，然后XSLT處理器將在名稱空間感知模式下處理輸入。
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