Package org.europa.together.business

Interface XmlTools

All Known Implementing Classes:
SaxTools
@API(status=STABLE, since="1.0", consumers="SaxTools") @Component public interface XmlTools
XML Tools are based on the event driven SAX concept. SAX = Simple API for XML
The implementation offers all necessary functions to deal with XML inside Java Applications.
Since:
1.0
Version:
1.2
Author:
elmar.dott@gmail.com

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final String
    FEATURE_ID
    Identifier for the given feature.

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    hasExternalSchemaFile()
    Check if a external schema file s configured.
    boolean
    isValid()
    Validate well formed XML content (XML 1.0) against a given grammar.
    boolean
    isWellFormed()
    Check XML content (XML 1.0) if is well formed.
    String
    parseXmlFile(File xmlFile)
    Parse a given XML File to grab the content.
    String
    parseXmlString(String xml)
    Parse a given XML String to grab the content.
    String
    prettyPrintXml()
    Before writeing a XML Document on a file, especially computer generated XML Content, the content should formatted by a CodeBeautifier.
    void
    resetExternalSchema()
    Reset the external schema file to NULL.
    void
    setSchemaFile(File schema)
    Set explicit the schema file for the validation option.
    String
    shrinkContent(String content)
    Shrink the XML content to reduce the file size for a higher performance in automated processing.
    String
    transformXslt(File xml, File xslt)
    Transform an XML File by a given XSLT to a new Output.
    void
    writeXmlToFile(String content, String destinationFile)
    Writes a XML String into a new file.

  • Field Details

    • FEATURE_ID

      @API(status=STABLE, since="1.2") static final String FEATURE_ID
      Identifier for the given feature.
      See Also:

  • Method Details

    • parseXmlFile

      @API(status=STABLE, since="1.0") String parseXmlFile(File xmlFile)
      Parse a given XML File to grab the content.
      Parameters:
      xmlFile - as File
      Returns:
      content as String

    • parseXmlString

      @API(status=STABLE, since="1.1") String parseXmlString(String xml)
      Parse a given XML String to grab the content.
      Parameters:
      xml - as String
      Returns:
      content as String

    • prettyPrintXml

      @API(status=STABLE, since="1.0") String prettyPrintXml()
      Before writeing a XML Document on a file, especially computer generated XML Content, the content should formatted by a CodeBeautifier. This function Beautifies the XML Sources with the following rules:
    • set content to UTF-8 without BOM (Byte Order Mark)
    • automated line breaks and indents
    • remove trailing space
    • replace TAB with 4 space characters
      • Returns:
      content as String

    • shrinkContent

      @API(status=STABLE, since="1.1") String shrinkContent(String content)
      Shrink the XML content to reduce the file size for a higher performance in automated processing. The following option will be executed:
    • remove XML comments
    • remove whitespace
    • remove linebreak
      • The final result is an XML in one row without comments and whitespace in one line. input and output is not parsed or checked for well formed.
      Parameters:
      content - as String
      Returns:
      shrink content as String

    • transformXslt

      @API(status=STABLE, since="1.1") String transformXslt(File xml, File xslt)
      Transform an XML File by a given XSLT to a new Output.
      Parameters:
      xml - as File
      xslt - as File
      Returns:
      transformation as String

    • hasExternalSchemaFile

      @API(status=STABLE, since="1.1") boolean hasExternalSchemaFile()
      Check if a external schema file s configured.
      Returns:
      true on success

    • isValid

      @API(status=STABLE, since="1.0") boolean isValid()
      Validate well formed XML content (XML 1.0) against a given grammar. Grammar files can be DTD or XML Schema. THe validation contains also a well formed test for the XML file.
      Returns:
      true on success

    • isWellFormed

      @API(status=STABLE, since="1.0") boolean isWellFormed()
      Check XML content (XML 1.0) if is well formed. the well formed rules for XML are defined as:
    • the structure of a XML document is a tree and each node is defined as TAG
    • each document contains exact one root tag
    • element tags are case-sensitive
    • content be delimited with a beginning and end tag
    • begin, end, and empty-element tags that delimit the elements are correctly nested, with none missing and none overlapping Detail
    • it contains only properly encoded legal Unicode characters
    • special characters like: > < & have to be encoded (StringUtils.escapeXmlCharacters()) Information: https://en.wikipedia.org/wiki/Well-formed_document
      • Returns:
      true on success

    • resetExternalSchema

      @API(status=STABLE, since="1.1") void resetExternalSchema()
      Reset the external schema file to NULL.

    • setSchemaFile

      @API(status=STABLE, since="1.0") void setSchemaFile(File schema)
      Set explicit the schema file for the validation option. This method overwrites in the XML document declares Schemata.
      Parameters:
      schema - as File

    • writeXmlToFile

      @API(status=STABLE, since="1.0") void writeXmlToFile(String content, String destinationFile) throws IOException
      Writes a XML String into a new file.
      Parameters:
      content - as string
      destinationFile - as String
      Throws:
      IOException