How do I convert a org w3c dom Document object to a String

Question

I want to convert a org w3c dom Document object to a String   I m using Java 6 and am open to using any  completely free  technology that is up to the task   I tried the solution from this thread -- Is there a more elegant way to convert an XML Document to a String in Java than this code   where they have  DOMImplementationLS domImplementation    DOMImplementationLS  doc getImplementation    LSSerializer lsSerializer   domImplementation createLSSerializer    String html   lsSerializer writeToString doc       but was greeted with the following horrendous exception      org w3c dom DOMException  DOM method not supported     at org w3c tidy DOMDocumentImpl getImplementation DOMDocumentImpl java 129      at com myco myproj cleaners JTidyCleaner outputDocAsString JTidyCleaner java 74      at com myco myproj cleaners JTidyCleaner parse JTidyCleaner java 63      at com myco myproj util NetUtilities getUrlAsDocument NetUtilities java 51      at com myco myproj parsers AbstractHTMLParser getEventFromElement AbstractHTMLParser java 131      at com myco myproj parsers AbstractHTMLParser parsePage AbstractHTMLParser java 100      at com myco myproj parsers AbstractHTMLParser getEvents AbstractHTMLParser java 63      at com myco myproj domain EventFeed refresh EventFeed java 87      at com myco myproj domain EventFeed getEvents EventFeed java 72      at com myco myproj parsers impl ChicagoCouncilGlobalAffairsParserTest testParser ChicagoCouncilGlobalAffairsParserTest java 21      at sun reflect NativeMethodAccessorImpl invoke0 Native Method      at sun reflect NativeMethodAccessorImpl invoke NativeMethodAccessorImpl java 39      at sun reflect DelegatingMethodAccessorImpl invoke DelegatingMethodAccessorImpl java 25      at java lang reflect Method invoke Method java 597      at org junit runners model FrameworkMethod 1 runReflectiveCall FrameworkMethod java 44      at org junit internal runners model ReflectiveCallable run ReflectiveCallable java 15      at org junit runners model FrameworkMethod invokeExplosively FrameworkMethod java 41      at org junit internal runners statements InvokeMethod evaluate InvokeMethod java 20      at org junit internal runners statements RunBefores evaluate RunBefores java 28      at org springframework test context junit4 statements RunBeforeTestMethodCallbacks evaluate RunBeforeTestMethodCallbacks java 74      at org springframework test context junit4 statements RunAfterTestMethodCallbacks evaluate RunAfterTestMethodCallbacks java 83      at org springframework test context junit4 statements SpringRepeat evaluate SpringRepeat java 72      at org springframework test context junit4 SpringJUnit4ClassRunner runChild SpringJUnit4ClassRunner java 231      at org junit runners BlockJUnit4ClassRunner runChild BlockJUnit4ClassRunner java 50      at org junit runners ParentRunner 3 run ParentRunner java 193      at org junit runners ParentRunner 1 schedule ParentRunner java 52      at org junit runners ParentRunner runChildren ParentRunner java 191      at org junit runners ParentRunner access 000 ParentRunner java 42      at org junit runners ParentRunner 2 evaluate ParentRunner java 184      at org springframework test context junit4 statements RunBeforeTestClassCallbacks evaluate RunBeforeTestClassCallbacks java 61      at org springframework test context junit4 statements RunAfterTestClassCallbacks evaluate RunAfterTestClassCallbacks java 71      at org junit runners ParentRunner run ParentRunner java 236      at org springframework test context junit4 SpringJUnit4ClassRunner run SpringJUnit4ClassRunner java 174      at org eclipse jdt internal junit4 runner JUnit4TestReference run JUnit4TestReference java 50      at org eclipse jdt internal junit runner TestExecution run TestExecution java 38      at org eclipse jdt internal junit runner RemoteTestRunner runTests RemoteTestRunner java 467      at org eclipse jdt internal junit runner RemoteTestRunner runTests RemoteTestRunner java 683      at org eclipse jdt internal junit runner RemoteTestRunner run RemoteTestRunner java 390      at org eclipse jdt internal junit runner RemoteTestRunner main RemoteTestRunner java 197

User · Answer

A Scala version based on Zaz s answer     case class DocumentEx document  Document        def toXmlString pretty  Boolean   false  Try String            getStringFromDocument document  pretty               implicit def documentToDocumentEx document  Document  DocumentEx         DocumentEx document         def getStringFromDocument doc  Document  pretty Boolean   Try String          try             val domSource  new DOMSource doc        val writer   new StringWriter         val result   new StreamResult writer        val tf   TransformerFactory newInstance         val transformer   tf newTransformer         if  pretty          transformer setOutputProperty OutputKeys INDENT   yes         transformer transform domSource  result        Success writer toString             catch         case ex  TransformerException   gt          Failure ex              With that  you can do either doc toXmlString   or call the getStringFromDocument doc  function

User · Answer

This worked for me  as documented on this page   TransformerFactory tf   TransformerFactory newInstance    Transformer trans   tf newTransformer    StringWriter sw   new StringWriter    trans transform new DOMSource document   new StreamResult sw    return sw toString

User · Answer

use some thing like  import java io    import javax xml transform    import javax xml transform dom    import javax xml transform stream       method to convert Document to String public String getStringFromDocument Document doc        try              DOMSource domSource   new DOMSource doc          StringWriter writer   new StringWriter           StreamResult result   new StreamResult writer          TransformerFactory tf   TransformerFactory newInstance           Transformer transformer   tf newTransformer           transformer transform domSource  result          return writer toString              catch TransformerException ex               ex printStackTrace           return null

User · Answer

If you are ok to do transformation  you may try this   DocumentBuilderFactory domFact   DocumentBuilderFactory newInstance    DocumentBuilder builder   domFact newDocumentBuilder    Document doc   builder parse st   DOMSource domSource   new DOMSource doc   StringWriter writer   new StringWriter    StreamResult result   new StreamResult writer   TransformerFactory tf   TransformerFactory newInstance    Transformer transformer   tf newTransformer    transformer transform domSource  result   System out println  XML IN String format is   n    writer toString

[java] How do I convert a org.w3c.dom.Document object to a String?

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