org.apache.maven.plugin.javadoc
Class JavadocUtil

java.lang.Object
  org.apache.maven.plugin.javadoc.JavadocUtil

public class JavadocUtil
extends java.lang.Object

Set of utilities methods for Javadoc.

Since:

2.4

Version:

$Id: JavadocUtil.html 829389 2012-08-19 17:23:07Z hboutemy $

Author:

Vincent Siveton

Constructor Summary

JavadocUtil()

Method Summary

protected static void	addFilesFromSource(java.util.List files, java.io.File sourceDirectory, java.lang.String[] excludePackages) Convenience method that gets the files to be included in the javadoc.
protected static void	copyJavadocResources(java.io.File outputDirectory, java.io.File javadocDir) Deprecated. since 2.5, using copyJavadocResources(File, File, String) instead of.
protected static void	copyJavadocResources(java.io.File outputDirectory, java.io.File javadocDir, java.lang.String excludedocfilessubdir) Convenience method that copy all doc-files directories from javadocDir to the outputDirectory.
protected static void	fetchURL(org.apache.maven.settings.Settings settings, java.net.URL url) Fetch an URL
protected static java.util.List	getCompileArtifacts(java.util.Set artifacts) Deprecated. since 2.5, using getCompileArtifacts(Set, boolean) instead of.
protected static java.util.List	getCompileArtifacts(java.util.Set artifacts, boolean withTestScope) Copy from MavenProject.getCompileArtifacts()
protected static java.util.List	getExcludedNames(java.util.List sourcePaths, java.lang.String[] subpackagesList, java.lang.String[] excludedPackages) Method that gets all the source files to be excluded from the javadoc on the given source paths.
protected static java.util.List	getExcludedPackages(java.lang.String sourceDirectory, java.lang.String[] excludePackagenames) Method that gets the complete package names (including subpackages) of the packages that were defined in the excludePackageNames parameter.
protected static java.util.List	getIncludedFiles(java.io.File sourceDirectory, java.lang.String[] fileList, java.lang.String[] excludePackages) Method that gets the files or classes that would be included in the javadocs using the subpackages parameter.
protected static float	getJavadocVersion(java.io.File javadocExe) Call the Javadoc tool and parse its output to find its version, i.e.: javadoc.exe(or .sh) -J-version
protected static java.util.List	getTagletClassNames(java.io.File jarFile) Auto-detect the class names of the implementation of com.sun.tools.doclets.Taglet class from a given jar file.
protected static java.lang.String	hideProxyPassword(java.lang.String cmdLine, org.apache.maven.settings.Settings settings) For security reasons, if an active proxy is defined and needs an authentication by username/password, hide the proxy password in the command line.
protected static java.lang.String	parseJavadocMemory(java.lang.String memory) Parse a memory string which be used in the JVM arguments -Xms or -Xmx.
protected static float	parseJavadocVersion(java.lang.String output) Parse the output for 'javadoc -J-version' and return the javadoc version recognized.
protected static java.util.List	pruneDirs(org.apache.maven.project.MavenProject project, java.util.List dirs) Method that removes the invalid directories in the specified directories.
protected static java.util.List	pruneFiles(java.util.List files) Method that removes the invalid files in the specified files.
protected static java.lang.String	quotedArgument(java.lang.String value) Convenience method to wrap an argument value in single quotes (i.e.
protected static java.lang.String	quotedPathArgument(java.lang.String value) Convenience method to format a path argument so that it is properly interpreted by the javadoc tool.
protected static boolean	validateEncoding(java.lang.String charsetName) Validate if a charset is supported on this platform.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

JavadocUtil

public JavadocUtil()

Method Detail

pruneDirs

protected static java.util.List pruneDirs(org.apache.maven.project.MavenProject project,
                                          java.util.List dirs)

Method that removes the invalid directories in the specified directories. Note: All elements in dirs could be an absolute or relative against the project's base directory String path.

Parameters:

project - the current Maven project not null

dirs - the list of String directories path that will be validated.

Returns:

a List of valid String directories absolute paths.

pruneFiles

protected static java.util.List pruneFiles(java.util.List files)

Method that removes the invalid files in the specified files. Note: All elements in files should be an absolute String path.

Parameters:

files - the list of String files paths that will be validated.

Returns:

a List of valid File objects.

getExcludedNames

protected static java.util.List getExcludedNames(java.util.List sourcePaths,
                                                 java.lang.String[] subpackagesList,
                                                 java.lang.String[] excludedPackages)

Method that gets all the source files to be excluded from the javadoc on the given source paths.

Parameters:

sourcePaths - the path to the source files

subpackagesList - list of subpackages to be included in the javadoc

excludedPackages - the package names to be excluded in the javadoc

Returns:

a List of the source files to be excluded in the generated javadoc

getCompileArtifacts

protected static java.util.List getCompileArtifacts(java.util.Set artifacts)

Deprecated. since 2.5, using getCompileArtifacts(Set, boolean) instead of.

Copy from MavenProject.getCompileArtifacts()

Parameters:

artifacts - not null

Returns:

list of compile artifacts with compile scope

getCompileArtifacts

protected static java.util.List getCompileArtifacts(java.util.Set artifacts,
                                                    boolean withTestScope)

Copy from MavenProject.getCompileArtifacts()

Parameters:

artifacts - not null

withTestScope - flag to include or not the artifacts with test scope

Returns:

list of compile artifacts with or without test scope.

quotedArgument

protected static java.lang.String quotedArgument(java.lang.String value)

Convenience method to wrap an argument value in single quotes (i.e. '). Intended for values which may contain whitespaces.
To prevent javadoc error, the line separator (i.e. \n) are skipped.

Parameters:

value - the argument value.

Returns:

argument with quote

quotedPathArgument

protected static java.lang.String quotedPathArgument(java.lang.String value)

Convenience method to format a path argument so that it is properly interpreted by the javadoc tool. Intended for path values which may contain whitespaces.

Parameters:

value - the argument value.

Returns:

path argument with quote

copyJavadocResources

protected static void copyJavadocResources(java.io.File outputDirectory,
                                           java.io.File javadocDir)
                                    throws java.io.IOException

Deprecated. since 2.5, using copyJavadocResources(File, File, String) instead of.

Convenience method that copy all doc-files directories from javadocDir to the outputDirectory.

Parameters:

outputDirectory - the output directory

javadocDir - the javadoc directory

Throws:

java.io.IOException - if any

copyJavadocResources

protected static void copyJavadocResources(java.io.File outputDirectory,
                                           java.io.File javadocDir,
                                           java.lang.String excludedocfilessubdir)
                                    throws java.io.IOException

Convenience method that copy all doc-files directories from javadocDir to the outputDirectory.

Parameters:

outputDirectory - the output directory

javadocDir - the javadoc directory

excludedocfilessubdir - the excludedocfilessubdir parameter

Throws:

java.io.IOException - if any

Since:

2.5

getIncludedFiles

protected static java.util.List getIncludedFiles(java.io.File sourceDirectory,
                                                 java.lang.String[] fileList,
                                                 java.lang.String[] excludePackages)

Method that gets the files or classes that would be included in the javadocs using the subpackages parameter.

Parameters:

sourceDirectory - the directory where the source files are located

fileList - the list of all files found in the sourceDirectory

excludePackages - package names to be excluded in the javadoc

Returns:

a StringBuffer that contains the appended file names of the files to be included in the javadoc

getExcludedPackages

protected static java.util.List getExcludedPackages(java.lang.String sourceDirectory,
                                                    java.lang.String[] excludePackagenames)

Method that gets the complete package names (including subpackages) of the packages that were defined in the excludePackageNames parameter.

Parameters:

sourceDirectory - the directory where the source files are located

excludePackagenames - package names to be excluded in the javadoc

Returns:

a List of the packagenames to be excluded

addFilesFromSource

protected static void addFilesFromSource(java.util.List files,
                                         java.io.File sourceDirectory,
                                         java.lang.String[] excludePackages)

Convenience method that gets the files to be included in the javadoc.

Parameters:

sourceDirectory - the directory where the source files are located

files - the variable that contains the appended filenames of the files to be included in the javadoc

excludePackages - the packages to be excluded in the javadocs

getJavadocVersion

protected static float getJavadocVersion(java.io.File javadocExe)
                                  throws java.io.IOException,
                                         org.codehaus.plexus.util.cli.CommandLineException,
                                         java.lang.IllegalArgumentException,
                                         java.util.regex.PatternSyntaxException

Call the Javadoc tool and parse its output to find its version, i.e.:

 javadoc.exe(or .sh) -J-version
 

Parameters:

javadocExe - not null file

Returns:

the javadoc version as float

Throws:

java.io.IOException - if javadocExe is null, doesn't exist or is not a file

org.codehaus.plexus.util.cli.CommandLineException - if any

java.lang.IllegalArgumentException - if no output was found in the command line

java.util.regex.PatternSyntaxException - if the output contains a syntax error in the regular-expression pattern.

See Also:

parseJavadocVersion(String)

parseJavadocVersion

protected static float parseJavadocVersion(java.lang.String output)
                                    throws java.lang.IllegalArgumentException,
                                           java.util.regex.PatternSyntaxException

Parse the output for 'javadoc -J-version' and return the javadoc version recognized.
Here are some output for 'javadoc -J-version' depending the JDK used:

JDK	Output for 'javadoc -J-version'
Sun 1.4	java full version "1.4.2_12-b03"
Sun 1.5	java full version "1.5.0_07-164"
IBM 1.4	javadoc full version "J2RE 1.4.2 IBM Windows 32 build cn1420-20040626"
IBM 1.5 (French JVM)	javadoc version complète de "J2RE 1.5.0 IBM Windows 32 build pwi32pdev-20070426a"
FreeBSD 1.5	java full version "diablo-1.5.0-b01"
BEA jrockit 1.5	java full version "1.5.0_11-b03"

Parameters:

output - for 'javadoc -J-version'

Returns:

the version of the javadoc for the output.

Throws:

java.util.regex.PatternSyntaxException - if the output doesn't match with the output pattern (?s).*?([0-9]+\\.[0-9]+)(\\.([0-9]+))?.*.

java.lang.IllegalArgumentException - if the output is null

parseJavadocMemory

protected static java.lang.String parseJavadocMemory(java.lang.String memory)
                                              throws java.lang.IllegalArgumentException

Parse a memory string which be used in the JVM arguments -Xms or -Xmx.
Here are some supported memory string depending the JDK used:

JDK	Memory argument support for -Xms or -Xmx
SUN	1024k | 128m | 1g | 1t
IBM	1024k | 1024b | 128m | 128mb | 1g | 1gb
BEA	1024k | 1024kb | 128m | 128mb | 1g | 1gb

Parameters:

memory - the memory to be parsed, not null.

Returns:

the memory parsed with a supported unit. If no unit specified in the memory parameter, the default unit is m. The units g | gb or t | tb will be converted in m.

Throws:

java.lang.IllegalArgumentException - if the memory parameter is null or doesn't match any pattern.

fetchURL

protected static void fetchURL(org.apache.maven.settings.Settings settings,
                               java.net.URL url)
                        throws java.io.IOException

Fetch an URL

Parameters:

settings - the user settings used to fetch the url with an active proxy, if defined.

url - the url to fetch

Throws:

java.io.IOException - if any

validateEncoding

protected static boolean validateEncoding(java.lang.String charsetName)

Validate if a charset is supported on this platform.

Parameters:

charsetName - the charsetName to be check.

Returns:

true if the charset is supported by the JVM, false otherwise.

hideProxyPassword

protected static java.lang.String hideProxyPassword(java.lang.String cmdLine,
                                                    org.apache.maven.settings.Settings settings)

For security reasons, if an active proxy is defined and needs an authentication by username/password, hide the proxy password in the command line.

Parameters:

cmdLine - a command line, not null

settings - the user settings

Returns:

the cmdline with '*' for the http.proxyPassword JVM property

getTagletClassNames

protected static java.util.List getTagletClassNames(java.io.File jarFile)
                                             throws java.io.IOException,
                                                    java.lang.ClassNotFoundException,
                                                    java.lang.NoClassDefFoundError

Auto-detect the class names of the implementation of com.sun.tools.doclets.Taglet class from a given jar file.
Note: JAVA_HOME/lib/tools.jar is a requirement to find com.sun.tools.doclets.Taglet class.

Parameters:

jarFile - not null

Returns:

the list of com.sun.tools.doclets.Taglet class names from a given jarFile.

Throws:

java.io.IOException - if jarFile is invalid or not found, or if the JAVA_HOME/lib/tools.jar is not found.

java.lang.ClassNotFoundException - if any

java.lang.NoClassDefFoundError - if any