Property Detail

• static final java.nio.charset.Charset DEFAULT_CHARSET

  The default character set, UTF-8.

• static final java.lang.String DEFAULT_DIFF_EXTENSION

  The patching logic looks for files with the .diff extension by default.

• org.slf4j.Logger log

Constructor Detail

• Patcher(org.slf4j.Logger log)

Method Detail

• void apply(java.io.File patch, java.io.File content, java.io.File destination)

  Applies the parameter patch(es) to the parameter file(s).

  Parameters:

  patch - The patch file to apply

  content - The content to apply the patch to

  destination - The destination to write to

• java.util.List<java.lang.String> apply(java.io.File patchOrPatches, java.io.File fileOrFiles, java.lang.String diffExtension, java.nio.charset.Charset charset, java.io.File destinationDir)

  Applies one or more patches to one or more files.

  Parameters:

  patchOrPatches - A patch file or directory containing patch files

  fileOrFiles - A content file or directory containing content files

  diffExtension - The file extension that identifies the patch files

  charset - The character set in use, defaults to UTF-8

  destinatinDir - The directory to write to

  Returns:

  A list of errors, or an empty list if patching succeeded

• java.util.List<java.lang.String> applyDirectory(java.io.File patchDir, java.io.File contentDir, java.lang.String diffExtension, java.nio.charset.Charset charset, java.io.File destinationDir)

  Applies a directory of patches to a directory of content.

  Parameters:

  patchDir - A directory containing patch files

  contentDir - A content directory

  diffExtension - The file extension that identifies the patch files

  charset - The character set in use, defaults to UTF-8

  destinationDir - The directory to write to

  Returns:

  A list of errors, empty if patching succeeded

• java.util.List<java.lang.String> applyFile(java.io.File patchFile, java.io.File contentFile, java.nio.charset.Charset charset, java.io.File destinationFile, java.util.List<java.lang.String> errors)

  Applies a patch file to a content file.

  Parameters:

  patchFile - A patch file

  contentFile - A content file

  charset - The character set in use, defaults to UTF-8

  destinationFile - The file to write to

  errors - An error list to add to if patching fails

  Returns:

  The parameter list of errors, unmodified if patching succeeded

• java.io.File applyOrThrow(java.io.File patchFile, java.io.File contentFile, java.io.File destinationFile)

  Applies a patch file to a content file.

  Parameters:

  patchFile - A patch file

  contentFile - A content file

  destinationFile - The file to write to

  Returns:

  The destination file

• java.io.File applyOrThrow(java.io.File patchFile, java.io.File contentFile, java.nio.charset.Charset charset, java.io.File destinationFile)

  Applies a patch file to a content file and produces a destination file.

  Parameters:

  patchFile - A patch file

  contentFile - A content file

  charset - The character set in use, defaults to UTF-8

  destinationFile - The output file to write to

  Returns:

  The destination file

• java.util.List<java.lang.String> applyOrThrow(java.util.List<java.lang.String> patchLines, java.util.List<java.lang.String> contentLines)

• protected void copy(java.io.File file, java.io.File toFile)

• protected java.util.List<java.lang.String> getLines(java.lang.String inputPath)

  Returns the lines of the file at the input path.

  throws:

  IOException If unable to read the file

  Parameters:

  inputPath - The input path to read from

  Returns:

  The lines of the input file

• protected java.util.List<java.lang.String> getLines(java.io.File inputFile)

  Returns the lines of the parameter file.

  throws:

  IOException If unable to read the file

  Parameters:

  inputFile - The input file to read from

  Returns:

  The lines of the input file

• protected java.io.File writeLines(java.util.List<java.lang.String> patchedLines, java.lang.String outputPath, java.nio.charset.Charset charset)

• protected java.io.File writeLines(java.util.List<java.lang.String> patchedLines, java.io.File outputFile, java.nio.charset.Charset charset)