Class XmlCompressor

java.lang.Object
com.googlecode.htmlcompressor.compressor.XmlCompressor
All Implemented Interfaces:
Compressor
public class XmlCompressor extends Object implements Compressor
Class that compresses given XML source by removing comments, extra spaces and line breaks while preserving content within CDATA blocks.

  • Field Details

    • TEMP_CD_DATA_BLOCK

      protected static final String TEMP_CD_DATA_BLOCK
      The Constant tempCdataBlock.
      See Also:

    • cdataPattern

      protected static final Pattern cdataPattern
      The Constant cdataPattern.

    • commentPattern

      protected static final Pattern commentPattern
      The Constant commentPattern.

    • intertagPattern

      protected static final Pattern intertagPattern
      The Constant intertagPattern.

    • tagEndSpacePattern

      protected static final Pattern tagEndSpacePattern
      The Constant tagEndSpacePattern.

    • multispacePattern

      protected static final Pattern multispacePattern
      The Constant multispacePattern.

    • tagPropertyPattern

      protected static final Pattern tagPropertyPattern
      The Constant tagPropertyPattern.

    • tempCdataPattern

      protected static final Pattern tempCdataPattern
      The Constant tempCdataPattern.

  • Constructor Details

    • XmlCompressor

      public XmlCompressor()

  • Method Details

    • compress

      public String compress(String xml)
      The main method that compresses given XML source and returns compressed result.
      Specified by:
      compress in interface Compressor
      Parameters:
      xml - XML content to compress
      Returns:
      compressed content.

    • preserveBlocks

      protected String preserveBlocks(String xml, List<String> cdataBlocks)
      Preserve blocks.
      Parameters:
      xml - the xml
      cdataBlocks - the cdata blocks
      Returns:
      the string

    • returnBlocks

      protected String returnBlocks(String xml, List<String> cdataBlocks)
      Return blocks.
      Parameters:
      xml - the xml
      cdataBlocks - the cdata blocks
      Returns:
      the string

    • processXml

      protected String processXml(String xml)
      Process xml.
      Parameters:
      xml - the xml
      Returns:
      the string

    • removeSpacesInsideTags

      protected String removeSpacesInsideTags(String xml)
      Removes the spaces inside tags.
      Parameters:
      xml - the xml
      Returns:
      the string

    • removeIntertagSpaces

      protected String removeIntertagSpaces(String xml)
      Removes the intertag spaces.
      Parameters:
      xml - the xml
      Returns:
      the string

    • removeComments

      protected String removeComments(String xml)
      Removes the comments.
      Parameters:
      xml - the xml
      Returns:
      the string

    • isEnabled

      public boolean isEnabled()
      Returns true if compression is enabled.
      Returns:
      true if compression is enabled.

    • setEnabled

      public void setEnabled(boolean enabled)
      If set to false all compression will be bypassed. Might be useful for testing purposes. Default is true.
      Parameters:
      enabled - set false to bypass all compression

    • isRemoveComments

      public boolean isRemoveComments()
      Returns true if all XML comments will be removed.
      Returns:
      true if all XML comments will be removed

    • setRemoveComments

      public void setRemoveComments(boolean removeComments)
      If set to true all XML comments will be removed. Default is true.
      Parameters:
      removeComments - set true to remove all XML comments

    • isRemoveIntertagSpaces

      public boolean isRemoveIntertagSpaces()
      Returns true if all inter-tag whitespace characters will be removed.
      Returns:
      true if all inter-tag whitespace characters will be removed.

    • setRemoveIntertagSpaces

      public void setRemoveIntertagSpaces(boolean removeIntertagSpaces)
      If set to true all inter-tag whitespace characters will be removed. Default is true.
      Parameters:
      removeIntertagSpaces - set true to remove all inter-tag whitespace characters