Class HelpMojo

java.lang.Object
org.apache.maven.plugin.AbstractMojo
com.github.koraktor.mavanagaiata.mojo.HelpMojo
All Implemented Interfaces:
org.apache.maven.plugin.ContextEnabled, org.apache.maven.plugin.Mojo

@Mojo(name="help",
      requiresProject=false,
      threadSafe=true)
public class HelpMojo
extends org.apache.maven.plugin.AbstractMojo
Display help information on mavanagaiata.
Call mvn mavanagaiata:help -Ddetail=true -Dgoal=<goal-name> to display parameter details.
Author:
maven-plugin-tools
  • Field Details

    • detail

      @Parameter(property="detail", defaultValue="false") private boolean detail
      If true, display all settable properties for each goal.
    • goal

      @Parameter(property="goal") private String goal
      The name of the goal for which to show help. If unspecified, all goals will be displayed.
    • lineLength

      @Parameter(property="lineLength", defaultValue="80") private int lineLength
      The maximum length of a display line, should be positive.
    • indentSize

      @Parameter(property="indentSize", defaultValue="2") private int indentSize
      The number of spaces per indentation level, should be positive.
    • PLUGIN_HELP_PATH

      private static final String PLUGIN_HELP_PATH
      See Also:
      Constant Field Values
    • DEFAULT_LINE_LENGTH

      private static final int DEFAULT_LINE_LENGTH
      See Also:
      Constant Field Values
  • Constructor Details

  • Method Details

    • build

      private Document build() throws org.apache.maven.plugin.MojoExecutionException
      Throws:
      org.apache.maven.plugin.MojoExecutionException
    • execute

      public void execute() throws org.apache.maven.plugin.MojoExecutionException
      Throws:
      org.apache.maven.plugin.MojoExecutionException
    • isNotEmpty

      private static boolean isNotEmpty​(String string)
    • getValue

      private String getValue​(Node node, String elementName) throws org.apache.maven.plugin.MojoExecutionException
      Throws:
      org.apache.maven.plugin.MojoExecutionException
    • getSingleChild

      private Node getSingleChild​(Node node, String elementName) throws org.apache.maven.plugin.MojoExecutionException
      Throws:
      org.apache.maven.plugin.MojoExecutionException
    • findNamedChild

      private List<Node> findNamedChild​(Node node, String elementName)
    • findSingleChild

      private Node findSingleChild​(Node node, String elementName) throws org.apache.maven.plugin.MojoExecutionException
      Throws:
      org.apache.maven.plugin.MojoExecutionException
    • writeGoal

      private void writeGoal​(StringBuilder sb, String goalPrefix, Element mojo) throws org.apache.maven.plugin.MojoExecutionException
      Throws:
      org.apache.maven.plugin.MojoExecutionException
    • writeParameter

      private void writeParameter​(StringBuilder sb, Node parameter, Node configurationElement) throws org.apache.maven.plugin.MojoExecutionException
      Throws:
      org.apache.maven.plugin.MojoExecutionException
    • repeat

      private static String repeat​(String str, int repeat)

      Repeat a String n times to form a new string.

      Parameters:
      str - String to repeat
      repeat - number of times to repeat str
      Returns:
      String with repeated String
      Throws:
      NegativeArraySizeException - if repeat < 0
      NullPointerException - if str is null
    • append

      private void append​(StringBuilder sb, String description, int indent)
      Append a description to the buffer by respecting the indentSize and lineLength parameters. Note: The last character is always a new line.
      Parameters:
      sb - The buffer to append the description, not null.
      description - The description, not null.
      indent - The base indentation level of each line, must not be negative.
    • toLines

      private static List<String> toLines​(String text, int indent, int indentSize, int lineLength)
      Splits the specified text into lines of convenient display length.
      Parameters:
      text - The text to split into lines, must not be null.
      indent - The base indentation level of each line, must not be negative.
      indentSize - The size of each indentation, must not be negative.
      lineLength - The length of the line, must not be negative.
      Returns:
      The sequence of display lines, never null.
      Throws:
      NegativeArraySizeException - if indent < 0
    • toLines

      private static void toLines​(List<String> lines, String line, int indentSize, int lineLength)
      Adds the specified line to the output sequence, performing line wrapping if necessary.
      Parameters:
      lines - The sequence of display lines, must not be null.
      line - The line to add, must not be null.
      indentSize - The size of each indentation, must not be negative.
      lineLength - The length of the line, must not be negative.
    • getIndentLevel

      private static int getIndentLevel​(String line)
      Gets the indentation level of the specified line.
      Parameters:
      line - The line whose indentation level should be retrieved, must not be null.
      Returns:
      The indentation level of the line.
    • getPropertyFromExpression

      private String getPropertyFromExpression​(String expression)