blob: 42ee8cfb87422597a938f9681feb2f94a05dc43e [file] [log] [blame]
package org.apache.maven.plugins.javadoc;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import org.apache.http.HttpHeaders;
import org.apache.http.HttpHost;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.Credentials;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.params.ClientPNames;
import org.apache.http.client.params.CookiePolicy;
import org.apache.http.client.protocol.HttpClientContext;
import org.apache.http.conn.params.ConnRoutePNames;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.conn.PoolingClientConnectionManager;
import org.apache.http.message.BasicHeader;
import org.apache.http.params.CoreConnectionPNames;
import org.apache.http.params.CoreProtocolPNames;
import org.apache.maven.plugin.logging.Log;
import org.apache.maven.project.MavenProject;
import org.apache.maven.settings.Proxy;
import org.apache.maven.settings.Settings;
import org.apache.maven.shared.invoker.DefaultInvocationRequest;
import org.apache.maven.shared.invoker.DefaultInvoker;
import org.apache.maven.shared.invoker.InvocationOutputHandler;
import org.apache.maven.shared.invoker.InvocationRequest;
import org.apache.maven.shared.invoker.InvocationResult;
import org.apache.maven.shared.invoker.Invoker;
import org.apache.maven.shared.invoker.MavenInvocationException;
import org.apache.maven.shared.invoker.PrintStreamHandler;
import org.apache.maven.wagon.proxy.ProxyInfo;
import org.apache.maven.wagon.proxy.ProxyUtils;
import org.codehaus.plexus.languages.java.version.JavaVersion;
import org.codehaus.plexus.util.DirectoryScanner;
import org.codehaus.plexus.util.FileUtils;
import org.codehaus.plexus.util.IOUtil;
import org.codehaus.plexus.util.Os;
import org.codehaus.plexus.util.StringUtils;
import org.codehaus.plexus.util.cli.CommandLineException;
import org.codehaus.plexus.util.cli.CommandLineUtils;
import org.codehaus.plexus.util.cli.Commandline;
import java.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintStream;
import java.io.UnsupportedEncodingException;
import java.lang.reflect.Modifier;
import java.net.SocketTimeoutException;
import java.net.URI;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Locale;
import java.util.NoSuchElementException;
import java.util.Properties;
import java.util.Set;
import java.util.StringTokenizer;
import java.util.jar.JarEntry;
import java.util.jar.JarInputStream;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.regex.PatternSyntaxException;
/**
* Set of utilities methods for Javadoc.
*
* @author <a href="mailto:vincent.siveton@gmail.com">Vincent Siveton</a>
* @version $Id: JavadocUtil.java 1801354 2017-07-09 08:49:46Z rfscholte $
* @since 2.4
*/
public class JavadocUtil
{
/** The default timeout used when fetching url, i.e. 2000. */
public static final int DEFAULT_TIMEOUT = 2000;
/** Error message when VM could not be started using invoker. */
protected static final String ERROR_INIT_VM =
"Error occurred during initialization of VM, try to reduce the Java heap size for the MAVEN_OPTS "
+ "environnement variable using -Xms:<size> and -Xmx:<size>.";
/**
* Method that removes the invalid directories in the specified directories. <b>Note</b>: All elements in
* <code>dirs</code> could be an absolute or relative against the project's base directory <code>String</code> path.
*
* @param project the current Maven project not null
* @param dirs the collection of <code>String</code> directories path that will be validated.
* @return a List of valid <code>String</code> directories absolute paths.
*/
public static Collection<String> pruneDirs( MavenProject project, Collection<String> dirs )
{
Set<String> pruned = new LinkedHashSet<>( dirs.size() );
for ( String dir : dirs )
{
if ( dir == null )
{
continue;
}
File directory = new File( dir );
if ( !directory.isAbsolute() )
{
directory = new File( project.getBasedir(), directory.getPath() );
}
if ( directory.isDirectory() )
{
pruned.add( directory.getAbsolutePath() );
}
}
return pruned;
}
/**
* Method that removes the invalid files in the specified files. <b>Note</b>: All elements in <code>files</code>
* should be an absolute <code>String</code> path.
*
* @param files the list of <code>String</code> files paths that will be validated.
* @return a List of valid <code>File</code> objects.
*/
protected static List<String> pruneFiles( Collection<String> files )
{
List<String> pruned = new ArrayList<>( files.size() );
for ( String f : files )
{
if ( !shouldPruneFile( f, pruned ) )
{
pruned.add( f );
}
}
return pruned;
}
/**
* Determine whether a file should be excluded from the provided list of paths, based on whether it exists and is
* already present in the list.
*
* @param f The files.
* @param pruned The list of pruned files..
* @return true if the file could be pruned false otherwise.
*/
public static boolean shouldPruneFile( String f, List<String> pruned )
{
if ( f != null )
{
File file = new File( f );
if ( file.isFile() && ( isEmpty( pruned ) || !pruned.contains( f ) ) )
{
return false;
}
}
return true;
}
/**
* Method that gets all the source files to be excluded from the javadoc on the given source paths.
*
* @param sourcePaths the path to the source files
* @param subpackagesList list of subpackages to be included in the javadoc
* @param excludedPackages the package names to be excluded in the javadoc
* @return a List of the source files to be excluded in the generated javadoc
*/
protected static List<String> getExcludedNames( Collection<String> sourcePaths, String[] subpackagesList,
String[] excludedPackages )
{
List<String> excludedNames = new ArrayList<>();
for ( String path : sourcePaths )
{
for ( String aSubpackagesList : subpackagesList )
{
List<String> excludes = getExcludedPackages( path, excludedPackages );
excludedNames.addAll( excludes );
}
}
return excludedNames;
}
/**
* Convenience method to wrap an argument value in single quotes (i.e. <code>'</code>). Intended for values which
* may contain whitespaces. <br>
* To prevent javadoc error, the line separator (i.e. <code>\n</code>) are skipped.
*
* @param value the argument value.
* @return argument with quote
*/
protected static String quotedArgument( String value )
{
String arg = value;
if ( StringUtils.isNotEmpty( arg ) )
{
if ( arg.contains( "'" ) )
{
arg = StringUtils.replace( arg, "'", "\\'" );
}
arg = "'" + arg + "'";
// To prevent javadoc error
arg = StringUtils.replace( arg, "\n", " " );
}
return arg;
}
/**
* 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.
*
* @param value the argument value.
* @return path argument with quote
*/
protected static String quotedPathArgument( String value )
{
String path = value;
if ( StringUtils.isNotEmpty( path ) )
{
path = path.replace( '\\', '/' );
if ( path.contains( "\'" ) )
{
String split[] = path.split( "\'" );
path = "";
for ( int i = 0; i < split.length; i++ )
{
if ( i != split.length - 1 )
{
path = path + split[i] + "\\'";
}
else
{
path = path + split[i];
}
}
}
path = "'" + path + "'";
}
return path;
}
/**
* Convenience method that copy all <code>doc-files</code> directories from <code>javadocDir</code> to the
* <code>outputDirectory</code>.
*
* @param outputDirectory the output directory
* @param javadocDir the javadoc directory
* @param excludedocfilessubdir the excludedocfilessubdir parameter
* @throws IOException if any
* @since 2.5
*/
protected static void copyJavadocResources( File outputDirectory, File javadocDir, String excludedocfilessubdir )
throws IOException
{
if ( !javadocDir.isDirectory() )
{
return;
}
List<String> excludes = new ArrayList<>();
excludes.addAll( Arrays.asList( FileUtils.getDefaultExcludes() ) );
if ( StringUtils.isNotEmpty( excludedocfilessubdir ) )
{
StringTokenizer st = new StringTokenizer( excludedocfilessubdir, ":" );
String current;
while ( st.hasMoreTokens() )
{
current = st.nextToken();
excludes.add( "**/" + current + "/**" );
}
}
List<String> docFiles =
FileUtils.getDirectoryNames( javadocDir, "resources,**/doc-files",
StringUtils.join( excludes.iterator(), "," ), false, true );
for ( String docFile : docFiles )
{
File docFileOutput = new File( outputDirectory, docFile );
FileUtils.mkdir( docFileOutput.getAbsolutePath() );
FileUtils.copyDirectoryStructure( new File( javadocDir, docFile ), docFileOutput );
List<String> files =
FileUtils.getFileAndDirectoryNames( docFileOutput, StringUtils.join( excludes.iterator(), "," ), null,
true, true, true, true );
for ( String filename : files )
{
File file = new File( filename );
if ( file.isDirectory() )
{
FileUtils.deleteDirectory( file );
}
else
{
file.delete();
}
}
}
}
/**
* Method that gets the files or classes that would be included in the javadocs using the subpackages parameter.
*
* @param sourceDirectory the directory where the source files are located
* @param fileList the list of all files found in the sourceDirectory
* @param excludePackages package names to be excluded in the javadoc
* @return a StringBuilder that contains the appended file names of the files to be included in the javadoc
*/
protected static List<String> getIncludedFiles( File sourceDirectory, String[] fileList, String[] excludePackages )
{
List<String> files = new ArrayList<>();
for ( String aFileList : fileList )
{
boolean include = true;
for ( int k = 0; k < excludePackages.length && include; k++ )
{
// handle wildcards (*) in the excludePackageNames
String[] excludeName = excludePackages[k].split( "[*]" );
if ( excludeName.length == 0 )
{
continue;
}
if ( excludeName.length > 1 )
{
int u = 0;
while ( include && u < excludeName.length )
{
if ( !"".equals( excludeName[u].trim() ) && aFileList.contains( excludeName[u] ) )
{
include = false;
}
u++;
}
}
else
{
if ( aFileList.startsWith( sourceDirectory.toString() + File.separatorChar + excludeName[0] ) )
{
if ( excludeName[0].endsWith( String.valueOf( File.separatorChar ) ) )
{
int i = aFileList.lastIndexOf( File.separatorChar );
String packageName = aFileList.substring( 0, i + 1 );
File currentPackage = new File( packageName );
File excludedPackage = new File( sourceDirectory, excludeName[0] );
if ( currentPackage.equals( excludedPackage )
&& aFileList.substring( i ).contains( ".java" ) )
{
include = true;
}
else
{
include = false;
}
}
else
{
include = false;
}
}
}
}
if ( include )
{
files.add( quotedPathArgument( aFileList ) );
}
}
return files;
}
/**
* Method that gets the complete package names (including subpackages) of the packages that were defined in the
* excludePackageNames parameter.
*
* @param sourceDirectory the directory where the source files are located
* @param excludePackagenames package names to be excluded in the javadoc
* @return a List of the packagenames to be excluded
*/
protected static List<String> getExcludedPackages( String sourceDirectory, String[] excludePackagenames )
{
List<String> files = new ArrayList<>();
for ( String excludePackagename : excludePackagenames )
{
String[] fileList = FileUtils.getFilesFromExtension( sourceDirectory, new String[] { "java" } );
for ( String aFileList : fileList )
{
String[] excludeName = excludePackagename.split( "[*]" );
int u = 0;
while ( u < excludeName.length )
{
if ( !"".equals( excludeName[u].trim() ) && aFileList.contains( excludeName[u] )
&& !sourceDirectory.contains( excludeName[u] ) )
{
files.add( aFileList );
}
u++;
}
}
}
List<String> excluded = new ArrayList<>();
for ( String file : files )
{
int idx = file.lastIndexOf( File.separatorChar );
String tmpStr = file.substring( 0, idx );
tmpStr = tmpStr.replace( '\\', '/' );
String[] srcSplit = tmpStr.split( Pattern.quote( sourceDirectory.replace( '\\', '/' ) + '/' ) );
String excludedPackage = srcSplit[1].replace( '/', '.' );
if ( !excluded.contains( excludedPackage ) )
{
excluded.add( excludedPackage );
}
}
return excluded;
}
/**
* Convenience method that gets the files to be included in the javadoc.
*
* @param sourceDirectory the directory where the source files are located
* @param files the variable that contains the appended filenames of the files to be included in the javadoc
* @param excludePackages the packages to be excluded in the javadocs
* @param sourceFileIncludes files to include.
* @param sourceFileExcludes files to exclude.
*/
protected static void addFilesFromSource( List<String> files, File sourceDirectory, List<String> sourceFileIncludes,
List<String> sourceFileExcludes, String[] excludePackages )
{
DirectoryScanner ds = new DirectoryScanner();
if ( sourceFileIncludes == null )
{
sourceFileIncludes = Collections.singletonList( "**/*.java" );
}
ds.setIncludes( sourceFileIncludes.toArray( new String[sourceFileIncludes.size()] ) );
if ( sourceFileExcludes != null && sourceFileExcludes.size() > 0 )
{
ds.setExcludes( sourceFileExcludes.toArray( new String[sourceFileExcludes.size()] ) );
}
ds.setBasedir( sourceDirectory );
ds.scan();
String[] fileList = ds.getIncludedFiles();
String[] pathList = new String[fileList.length];
for ( int x = 0; x < fileList.length; x++ )
{
pathList[x] = new File( sourceDirectory, fileList[x] ).getAbsolutePath();
}
if ( pathList.length != 0 )
{
List<String> tmpFiles = getIncludedFiles( sourceDirectory, pathList, excludePackages );
files.addAll( tmpFiles );
}
}
/**
* Call the Javadoc tool and parse its output to find its version, i.e.:
*
* <pre>
* javadoc.exe( or.sh ) - J - version
* </pre>
*
* @param javadocExe not null file
* @return the javadoc version as float
* @throws IOException if javadocExe is null, doesn't exist or is not a file
* @throws CommandLineException if any
* @throws IllegalArgumentException if no output was found in the command line
* @throws PatternSyntaxException if the output contains a syntax error in the regular-expression pattern.
* @see #extractJavadocVersion(String)
*/
protected static JavaVersion getJavadocVersion( File javadocExe )
throws IOException, CommandLineException, IllegalArgumentException
{
if ( ( javadocExe == null ) || ( !javadocExe.exists() ) || ( !javadocExe.isFile() ) )
{
throw new IOException( "The javadoc executable '" + javadocExe + "' doesn't exist or is not a file. " );
}
Commandline cmd = new Commandline();
cmd.setExecutable( javadocExe.getAbsolutePath() );
cmd.setWorkingDirectory( javadocExe.getParentFile() );
cmd.createArg().setValue( "-J-version" );
CommandLineUtils.StringStreamConsumer out = new JavadocOutputStreamConsumer();
CommandLineUtils.StringStreamConsumer err = new JavadocOutputStreamConsumer();
int exitCode = CommandLineUtils.executeCommandLine( cmd, out, err );
if ( exitCode != 0 )
{
StringBuilder msg = new StringBuilder( "Exit code: " + exitCode + " - " + err.getOutput() );
msg.append( '\n' );
msg.append( "Command line was:" + CommandLineUtils.toString( cmd.getCommandline() ) );
throw new CommandLineException( msg.toString() );
}
if ( StringUtils.isNotEmpty( err.getOutput() ) )
{
return JavaVersion.parse( extractJavadocVersion( err.getOutput() ) );
}
else if ( StringUtils.isNotEmpty( out.getOutput() ) )
{
return JavaVersion.parse( extractJavadocVersion( out.getOutput() ) );
}
throw new IllegalArgumentException( "No output found from the command line 'javadoc -J-version'" );
}
/**
* Parse the output for 'javadoc -J-version' and return the javadoc version recognized. <br>
* Here are some output for 'javadoc -J-version' depending the JDK used:
* <table summary="Output for 'javadoc -J-version' per JDK">
* <tr>
* <th>JDK</th>
* <th>Output for 'javadoc -J-version'</th>
* </tr>
* <tr>
* <td>Sun 1.4</td>
* <td>java full version "1.4.2_12-b03"</td>
* </tr>
* <tr>
* <td>Sun 1.5</td>
* <td>java full version "1.5.0_07-164"</td>
* </tr>
* <tr>
* <td>IBM 1.4</td>
* <td>javadoc full version "J2RE 1.4.2 IBM Windows 32 build cn1420-20040626"</td>
* </tr>
* <tr>
* <td>IBM 1.5 (French JVM)</td>
* <td>javadoc version complète de "J2RE 1.5.0 IBM Windows 32 build pwi32pdev-20070426a"</td>
* </tr>
* <tr>
* <td>FreeBSD 1.5</td>
* <td>java full version "diablo-1.5.0-b01"</td>
* </tr>
* <tr>
* <td>BEA jrockit 1.5</td>
* <td>java full version "1.5.0_11-b03"</td>
* </tr>
* </table>
*
* @param output for 'javadoc -J-version'
* @return the version of the javadoc for the output, only digits and dots
* @throws PatternSyntaxException if the output doesn't match with the output pattern
* <tt>(?s).*?[^a-zA-Z]([0-9]+\\.?[0-9]*)(\\.([0-9]+))?.*</tt>.
* @throws IllegalArgumentException if the output is null
*/
protected static String extractJavadocVersion( String output )
throws IllegalArgumentException
{
if ( StringUtils.isEmpty( output ) )
{
throw new IllegalArgumentException( "The output could not be null." );
}
Pattern pattern = Pattern.compile( "(?s).*?[^a-zA-Z](([0-9]+\\.?[0-9]*)(\\.[0-9]+)?).*" );
Matcher matcher = pattern.matcher( output );
if ( !matcher.matches() )
{
throw new PatternSyntaxException( "Unrecognized version of Javadoc: '" + output + "'", pattern.pattern(),
pattern.toString().length() - 1 );
}
return matcher.group( 1 );
}
/**
* Parse a memory string which be used in the JVM arguments <code>-Xms</code> or <code>-Xmx</code>. <br>
* Here are some supported memory string depending the JDK used:
* <table summary="Memory argument support per JDK">
* <tr>
* <th>JDK</th>
* <th>Memory argument support for <code>-Xms</code> or <code>-Xmx</code></th>
* </tr>
* <tr>
* <td>SUN</td>
* <td>1024k | 128m | 1g | 1t</td>
* </tr>
* <tr>
* <td>IBM</td>
* <td>1024k | 1024b | 128m | 128mb | 1g | 1gb</td>
* </tr>
* <tr>
* <td>BEA</td>
* <td>1024k | 1024kb | 128m | 128mb | 1g | 1gb</td>
* </tr>
* </table>
*
* @param memory the memory to be parsed, not null.
* @return the memory parsed with a supported unit. If no unit specified in the <code>memory</code> parameter, the
* default unit is <code>m</code>. The units <code>g | gb</code> or <code>t | tb</code> will be converted in
* <code>m</code>.
* @throws IllegalArgumentException if the <code>memory</code> parameter is null or doesn't match any pattern.
*/
protected static String parseJavadocMemory( String memory )
throws IllegalArgumentException
{
if ( StringUtils.isEmpty( memory ) )
{
throw new IllegalArgumentException( "The memory could not be null." );
}
Pattern p = Pattern.compile( "^\\s*(\\d+)\\s*?\\s*$" );
Matcher m = p.matcher( memory );
if ( m.matches() )
{
return m.group( 1 ) + "m";
}
p = Pattern.compile( "^\\s*(\\d+)\\s*k(b)?\\s*$", Pattern.CASE_INSENSITIVE );
m = p.matcher( memory );
if ( m.matches() )
{
return m.group( 1 ) + "k";
}
p = Pattern.compile( "^\\s*(\\d+)\\s*m(b)?\\s*$", Pattern.CASE_INSENSITIVE );
m = p.matcher( memory );
if ( m.matches() )
{
return m.group( 1 ) + "m";
}
p = Pattern.compile( "^\\s*(\\d+)\\s*g(b)?\\s*$", Pattern.CASE_INSENSITIVE );
m = p.matcher( memory );
if ( m.matches() )
{
return ( Integer.parseInt( m.group( 1 ) ) * 1024 ) + "m";
}
p = Pattern.compile( "^\\s*(\\d+)\\s*t(b)?\\s*$", Pattern.CASE_INSENSITIVE );
m = p.matcher( memory );
if ( m.matches() )
{
return ( Integer.parseInt( m.group( 1 ) ) * 1024 * 1024 ) + "m";
}
throw new IllegalArgumentException( "Could convert not to a memory size: " + memory );
}
/**
* Validate if a charset is supported on this platform.
*
* @param charsetName the charsetName to be check.
* @return <code>true</code> if the given charset is supported by the JVM, <code>false</code> otherwise.
*/
protected static boolean validateEncoding( String charsetName )
{
if ( StringUtils.isEmpty( charsetName ) )
{
return false;
}
OutputStream ost = new ByteArrayOutputStream();
OutputStreamWriter osw = null;
try
{
osw = new OutputStreamWriter( ost, charsetName );
osw.close();
osw = null;
}
catch ( IOException exc )
{
return false;
}
finally
{
IOUtil.close( osw );
}
return true;
}
/**
* For security reasons, if an active proxy is defined and needs an authentication by username/password, hide the
* proxy password in the command line.
*
* @param cmdLine a command line, not null
* @param settings the user settings
* @return the cmdline with '*' for the http.proxyPassword JVM property
*/
protected static String hideProxyPassword( String cmdLine, Settings settings )
{
if ( cmdLine == null )
{
throw new IllegalArgumentException( "cmdLine could not be null" );
}
if ( settings == null )
{
return cmdLine;
}
Proxy activeProxy = settings.getActiveProxy();
if ( activeProxy != null && StringUtils.isNotEmpty( activeProxy.getHost() )
&& StringUtils.isNotEmpty( activeProxy.getUsername() )
&& StringUtils.isNotEmpty( activeProxy.getPassword() ) )
{
String pass = "-J-Dhttp.proxyPassword=\"" + activeProxy.getPassword() + "\"";
String hidepass =
"-J-Dhttp.proxyPassword=\"" + StringUtils.repeat( "*", activeProxy.getPassword().length() ) + "\"";
return StringUtils.replace( cmdLine, pass, hidepass );
}
return cmdLine;
}
/**
* Auto-detect the class names of the implementation of <code>com.sun.tools.doclets.Taglet</code> class from a given
* jar file. <br>
* <b>Note</b>: <code>JAVA_HOME/lib/tools.jar</code> is a requirement to find
* <code>com.sun.tools.doclets.Taglet</code> class.
*
* @param jarFile not null
* @return the list of <code>com.sun.tools.doclets.Taglet</code> class names from a given jarFile.
* @throws IOException if jarFile is invalid or not found, or if the <code>JAVA_HOME/lib/tools.jar</code> is not
* found.
* @throws ClassNotFoundException if any
* @throws NoClassDefFoundError if any
*/
protected static List<String> getTagletClassNames( File jarFile )
throws IOException, ClassNotFoundException, NoClassDefFoundError
{
List<String> classes = getClassNamesFromJar( jarFile );
ClassLoader cl;
// Needed to find com.sun.tools.doclets.Taglet class
File tools = new File( System.getProperty( "java.home" ), "../lib/tools.jar" );
if ( tools.exists() && tools.isFile() )
{
cl = new URLClassLoader( new URL[] { jarFile.toURI().toURL(), tools.toURI().toURL() }, null );
}
else
{
cl = new URLClassLoader( new URL[] { jarFile.toURI().toURL() }, ClassLoader.getSystemClassLoader() );
}
List<String> tagletClasses = new ArrayList<>();
Class<?> tagletClass;
try
{
tagletClass = cl.loadClass( "com.sun.tools.doclets.Taglet" );
}
catch ( ClassNotFoundException e )
{
tagletClass = cl.loadClass( "jdk.javadoc.doclet.Taglet" );
}
for ( String s : classes )
{
Class<?> c = cl.loadClass( s );
if ( tagletClass.isAssignableFrom( c ) && !Modifier.isAbstract( c.getModifiers() ) )
{
tagletClasses.add( c.getName() );
}
}
return tagletClasses;
}
/**
* Copy the given url to the given file.
*
* @param url not null url
* @param file not null file where the url will be created
* @throws IOException if any
* @since 2.6
*/
protected static void copyResource( URL url, File file )
throws IOException
{
if ( file == null )
{
throw new IOException( "The file can't be null." );
}
if ( url == null )
{
throw new IOException( "The url could not be null." );
}
if ( !file.getParentFile().exists() )
{
file.getParentFile().mkdirs();
}
InputStream in = null;
OutputStream out = null;
try
{
in = url.openStream();
if ( in == null )
{
throw new IOException( "The resource " + url + " doesn't exists." );
}
out = new FileOutputStream( file );
IOUtil.copy( in, out );
out.close();
out = null;
in.close();
in = null;
}
finally
{
IOUtil.close( in );
IOUtil.close( out );
}
}
/**
* Invoke Maven for the given project file with a list of goals and properties, the output will be in the invokerlog
* file. <br>
* <b>Note</b>: the Maven Home should be defined in the <code>maven.home</code> Java system property or defined in
* <code>M2_HOME</code> system env variables.
*
* @param log a logger could be null.
* @param localRepositoryDir the localRepository not null.
* @param projectFile a not null project file.
* @param goals a not null goals list.
* @param properties the properties for the goals, could be null.
* @param invokerLog the log file where the invoker will be written, if null using <code>System.out</code>.
* @throws MavenInvocationException if any
* @since 2.6
*/
protected static void invokeMaven( Log log, File localRepositoryDir, File projectFile, List<String> goals,
Properties properties, File invokerLog )
throws MavenInvocationException
{
if ( projectFile == null )
{
throw new IllegalArgumentException( "projectFile should be not null." );
}
if ( !projectFile.isFile() )
{
throw new IllegalArgumentException( projectFile.getAbsolutePath() + " is not a file." );
}
if ( goals == null || goals.size() == 0 )
{
throw new IllegalArgumentException( "goals should be not empty." );
}
if ( localRepositoryDir == null || !localRepositoryDir.isDirectory() )
{
throw new IllegalArgumentException( "localRepositoryDir '" + localRepositoryDir
+ "' should be a directory." );
}
String mavenHome = getMavenHome( log );
if ( StringUtils.isEmpty( mavenHome ) )
{
String msg = "Could NOT invoke Maven because no Maven Home is defined. You need to have set the M2_HOME "
+ "system env variable or a maven.home Java system properties.";
if ( log != null )
{
log.error( msg );
}
else
{
System.err.println( msg );
}
return;
}
Invoker invoker = new DefaultInvoker();
invoker.setMavenHome( new File( mavenHome ) );
invoker.setLocalRepositoryDirectory( localRepositoryDir );
InvocationRequest request = new DefaultInvocationRequest();
request.setBaseDirectory( projectFile.getParentFile() );
request.setPomFile( projectFile );
if ( log != null )
{
request.setDebug( log.isDebugEnabled() );
}
else
{
request.setDebug( true );
}
request.setGoals( goals );
if ( properties != null )
{
request.setProperties( properties );
}
File javaHome = getJavaHome( log );
if ( javaHome != null )
{
request.setJavaHome( javaHome );
}
if ( log != null && log.isDebugEnabled() )
{
log.debug( "Invoking Maven for the goals: " + goals + " with "
+ ( properties == null ? "no properties" : "properties=" + properties ) );
}
InvocationResult result = invoke( log, invoker, request, invokerLog, goals, properties, null );
if ( result.getExitCode() != 0 )
{
String invokerLogContent = readFile( invokerLog, "UTF-8" );
// see DefaultMaven
if ( invokerLogContent != null && ( !invokerLogContent.contains( "Scanning for projects..." )
|| invokerLogContent.contains( OutOfMemoryError.class.getName() ) ) )
{
if ( log != null )
{
log.error( "Error occurred during initialization of VM, trying to use an empty MAVEN_OPTS..." );
if ( log.isDebugEnabled() )
{
log.debug( "Reinvoking Maven for the goals: " + goals + " with an empty MAVEN_OPTS..." );
}
}
result = invoke( log, invoker, request, invokerLog, goals, properties, "" );
}
}
if ( result.getExitCode() != 0 )
{
String invokerLogContent = readFile( invokerLog, "UTF-8" );
// see DefaultMaven
if ( invokerLogContent != null && ( !invokerLogContent.contains( "Scanning for projects..." )
|| invokerLogContent.contains( OutOfMemoryError.class.getName() ) ) )
{
throw new MavenInvocationException( ERROR_INIT_VM );
}
throw new MavenInvocationException( "Error when invoking Maven, consult the invoker log file: "
+ invokerLog.getAbsolutePath() );
}
}
/**
* Read the given file and return the content or null if an IOException occurs.
*
* @param javaFile not null
* @param encoding could be null
* @return the content with unified line separator of the given javaFile using the given encoding.
* @see FileUtils#fileRead(File, String)
* @since 2.6.1
*/
protected static String readFile( final File javaFile, final String encoding )
{
try
{
return FileUtils.fileRead( javaFile, encoding );
}
catch ( IOException e )
{
return null;
}
}
/**
* Split the given path with colon and semi-colon, to support Solaris and Windows path. Examples:
*
* <pre>
* splitPath( "/home:/tmp" ) = ["/home", "/tmp"]
* splitPath( "/home;/tmp" ) = ["/home", "/tmp"]
* splitPath( "C:/home:C:/tmp" ) = ["C:/home", "C:/tmp"]
* splitPath( "C:/home;C:/tmp" ) = ["C:/home", "C:/tmp"]
* </pre>
*
* @param path which can contain multiple paths separated with a colon (<code>:</code>) or a semi-colon
* (<code>;</code>), platform independent. Could be null.
* @return the path splitted by colon or semi-colon or <code>null</code> if path was <code>null</code>.
* @since 2.6.1
*/
protected static String[] splitPath( final String path )
{
if ( path == null )
{
return null;
}
List<String> subpaths = new ArrayList<>();
PathTokenizer pathTokenizer = new PathTokenizer( path );
while ( pathTokenizer.hasMoreTokens() )
{
subpaths.add( pathTokenizer.nextToken() );
}
return subpaths.toArray( new String[subpaths.size()] );
}
/**
* Unify the given path with the current System path separator, to be platform independent. Examples:
*
* <pre>
* unifyPathSeparator( "/home:/tmp" ) = "/home:/tmp" (Solaris box)
* unifyPathSeparator( "/home:/tmp" ) = "/home;/tmp" (Windows box)
* </pre>
*
* @param path which can contain multiple paths by separating them with a colon (<code>:</code>) or a semi-colon
* (<code>;</code>), platform independent. Could be null.
* @return the same path but separated with the current System path separator or <code>null</code> if path was
* <code>null</code>.
* @since 2.6.1
* @see #splitPath(String)
* @see File#pathSeparator
*/
protected static String unifyPathSeparator( final String path )
{
if ( path == null )
{
return null;
}
return StringUtils.join( splitPath( path ), File.pathSeparator );
}
// ----------------------------------------------------------------------
// private methods
// ----------------------------------------------------------------------
/**
* @param jarFile not null
* @return all class names from the given jar file.
* @throws IOException if any or if the jarFile is null or doesn't exist.
*/
private static List<String> getClassNamesFromJar( File jarFile )
throws IOException
{
if ( jarFile == null || !jarFile.exists() || !jarFile.isFile() )
{
throw new IOException( "The jar '" + jarFile + "' doesn't exist or is not a file." );
}
List<String> classes = new ArrayList<>();
JarInputStream jarStream = null;
try
{
jarStream = new JarInputStream( new FileInputStream( jarFile ) );
for ( JarEntry jarEntry = jarStream.getNextJarEntry(); jarEntry != null; jarEntry =
jarStream.getNextJarEntry() )
{
if ( jarEntry.getName().toLowerCase( Locale.ENGLISH ).endsWith( ".class" ) )
{
String name = jarEntry.getName().substring( 0, jarEntry.getName().indexOf( "." ) );
classes.add( name.replaceAll( "/", "\\." ) );
}
jarStream.closeEntry();
}
jarStream.close();
jarStream = null;
}
finally
{
IOUtil.close( jarStream );
}
return classes;
}
/**
* @param log could be null
* @param invoker not null
* @param request not null
* @param invokerLog not null
* @param goals not null
* @param properties could be null
* @param mavenOpts could be null
* @return the invocation result
* @throws MavenInvocationException if any
* @since 2.6
*/
private static InvocationResult invoke( Log log, Invoker invoker, InvocationRequest request, File invokerLog,
List<String> goals, Properties properties, String mavenOpts )
throws MavenInvocationException
{
PrintStream ps;
OutputStream os = null;
if ( invokerLog != null )
{
if ( log != null && log.isDebugEnabled() )
{
log.debug( "Using " + invokerLog.getAbsolutePath() + " to log the invoker" );
}
try
{
if ( !invokerLog.exists() )
{
// noinspection ResultOfMethodCallIgnored
invokerLog.getParentFile().mkdirs();
}
os = new FileOutputStream( invokerLog );
ps = new PrintStream( os, true, "UTF-8" );
}
catch ( FileNotFoundException e )
{
if ( log != null && log.isErrorEnabled() )
{
log.error( "FileNotFoundException: " + e.getMessage() + ". Using System.out to log the invoker." );
}
ps = System.out;
}
catch ( UnsupportedEncodingException e )
{
if ( log != null && log.isErrorEnabled() )
{
log.error( "UnsupportedEncodingException: " + e.getMessage()
+ ". Using System.out to log the invoker." );
}
ps = System.out;
}
}
else
{
if ( log != null && log.isDebugEnabled() )
{
log.debug( "Using System.out to log the invoker." );
}
ps = System.out;
}
if ( mavenOpts != null )
{
request.setMavenOpts( mavenOpts );
}
InvocationOutputHandler outputHandler = new PrintStreamHandler( ps, false );
request.setOutputHandler( outputHandler );
outputHandler.consumeLine( "Invoking Maven for the goals: " + goals + " with "
+ ( properties == null ? "no properties" : "properties=" + properties ) );
outputHandler.consumeLine( "" );
outputHandler.consumeLine( "M2_HOME=" + getMavenHome( log ) );
outputHandler.consumeLine( "MAVEN_OPTS=" + getMavenOpts( log ) );
outputHandler.consumeLine( "JAVA_HOME=" + getJavaHome( log ) );
outputHandler.consumeLine( "JAVA_OPTS=" + getJavaOpts( log ) );
outputHandler.consumeLine( "" );
try
{
return invoker.execute( request );
}
finally
{
IOUtil.close( os );
}
}
/**
* @param log a logger could be null
* @return the Maven home defined in the <code>maven.home</code> system property or defined in <code>M2_HOME</code>
* system env variables or null if never set.
* @since 2.6
*/
private static String getMavenHome( Log log )
{
String mavenHome = System.getProperty( "maven.home" );
if ( mavenHome == null )
{
try
{
mavenHome = CommandLineUtils.getSystemEnvVars().getProperty( "M2_HOME" );
}
catch ( IOException e )
{
if ( log != null && log.isDebugEnabled() )
{
log.debug( "IOException: " + e.getMessage() );
}
}
}
File m2Home = new File( mavenHome );
if ( !m2Home.exists() )
{
if ( log != null && log.isErrorEnabled() )
{
log.error( "Cannot find Maven application directory. Either specify \'maven.home\' system property, or "
+ "M2_HOME environment variable." );
}
}
return mavenHome;
}
/**
* @param log a logger could be null
* @return the <code>MAVEN_OPTS</code> env variable value
* @since 2.6
*/
private static String getMavenOpts( Log log )
{
String mavenOpts = null;
try
{
mavenOpts = CommandLineUtils.getSystemEnvVars().getProperty( "MAVEN_OPTS" );
}
catch ( IOException e )
{
if ( log != null && log.isDebugEnabled() )
{
log.debug( "IOException: " + e.getMessage() );
}
}
return mavenOpts;
}
/**
* @param log a logger could be null
* @return the <code>JAVA_HOME</code> from System.getProperty( "java.home" ) By default,
* <code>System.getProperty( "java.home" ) = JRE_HOME</code> and <code>JRE_HOME</code> should be in the
* <code>JDK_HOME</code>
* @since 2.6
*/
private static File getJavaHome( Log log )
{
File javaHome = null;
String javaHomeValue = null;
try
{
javaHomeValue = CommandLineUtils.getSystemEnvVars().getProperty( "JAVA_HOME" );
}
catch ( IOException e )
{
if ( log != null && log.isDebugEnabled() )
{
log.debug( "IOException: " + e.getMessage() );
}
}
// if maven.home is set, we can assume JAVA_HOME must be used for testing
if ( System.getProperty( "maven.home" ) == null || javaHomeValue == null )
{
// JEP220 (Java9) restructured the JRE/JDK runtime image
if ( SystemUtils.IS_OS_MAC_OSX || JavaVersion.JAVA_VERSION.isAtLeast( "9" ) )
{
javaHome = SystemUtils.getJavaHome();
}
else
{
javaHome = new File( SystemUtils.getJavaHome(), ".." );
}
}
if ( javaHome == null || !javaHome.exists() )
{
javaHome = new File( javaHomeValue );
}
if ( javaHome == null || !javaHome.exists() )
{
if ( log != null && log.isErrorEnabled() )
{
log.error( "Cannot find Java application directory. Either specify \'java.home\' system property, or "
+ "JAVA_HOME environment variable." );
}
}
return javaHome;
}
/**
* @param log a logger could be null
* @return the <code>JAVA_OPTS</code> env variable value
* @since 2.6
*/
private static String getJavaOpts( Log log )
{
String javaOpts = null;
try
{
javaOpts = CommandLineUtils.getSystemEnvVars().getProperty( "JAVA_OPTS" );
}
catch ( IOException e )
{
if ( log != null && log.isDebugEnabled() )
{
log.debug( "IOException: " + e.getMessage() );
}
}
return javaOpts;
}
/**
* A Path tokenizer takes a path and returns the components that make up that path. The path can use path separators
* of either ':' or ';' and file separators of either '/' or '\'.
*
* @version revision 439418 taken on 2009-09-12 from Ant Project (see
* http://svn.apache.org/repos/asf/ant/core/trunk/src/main/org/apache/tools/ant/PathTokenizer.java)
*/
private static class PathTokenizer
{
/**
* A tokenizer to break the string up based on the ':' or ';' separators.
*/
private StringTokenizer tokenizer;
/**
* A String which stores any path components which have been read ahead due to DOS filesystem compensation.
*/
private String lookahead = null;
/**
* A boolean that determines if we are running on Novell NetWare, which exhibits slightly different path name
* characteristics (multi-character volume / drive names)
*/
private boolean onNetWare = Os.isFamily( "netware" );
/**
* Flag to indicate whether or not we are running on a platform with a DOS style filesystem
*/
private boolean dosStyleFilesystem;
/**
* Constructs a path tokenizer for the specified path.
*
* @param path The path to tokenize. Must not be <code>null</code>.
*/
PathTokenizer( String path )
{
if ( onNetWare )
{
// For NetWare, use the boolean=true mode, so we can use delimiter
// information to make a better decision later.
tokenizer = new StringTokenizer( path, ":;", true );
}
else
{
// on Windows and Unix, we can ignore delimiters and still have
// enough information to tokenize correctly.
tokenizer = new StringTokenizer( path, ":;", false );
}
dosStyleFilesystem = File.pathSeparatorChar == ';';
}
/**
* Tests if there are more path elements available from this tokenizer's path. If this method returns
* <code>true</code>, then a subsequent call to nextToken will successfully return a token.
*
* @return <code>true</code> if and only if there is at least one token in the string after the current
* position; <code>false</code> otherwise.
*/
public boolean hasMoreTokens()
{
return lookahead != null || tokenizer.hasMoreTokens();
}
/**
* Returns the next path element from this tokenizer.
*
* @return the next path element from this tokenizer.
* @exception NoSuchElementException if there are no more elements in this tokenizer's path.
*/
public String nextToken()
throws NoSuchElementException
{
String token;
if ( lookahead != null )
{
token = lookahead;
lookahead = null;
}
else
{
token = tokenizer.nextToken().trim();
}
if ( !onNetWare )
{
if ( token.length() == 1 && Character.isLetter( token.charAt( 0 ) ) && dosStyleFilesystem
&& tokenizer.hasMoreTokens() )
{
// we are on a dos style system so this path could be a drive
// spec. We look at the next token
String nextToken = tokenizer.nextToken().trim();
if ( nextToken.startsWith( "\\" ) || nextToken.startsWith( "/" ) )
{
// we know we are on a DOS style platform and the next path
// starts with a slash or backslash, so we know this is a
// drive spec
token += ":" + nextToken;
}
else
{
// store the token just read for next time
lookahead = nextToken;
}
}
}
else
{
// we are on NetWare, tokenizing is handled a little differently,
// due to the fact that NetWare has multiple-character volume names.
if ( token.equals( File.pathSeparator ) || token.equals( ":" ) )
{
// ignore ";" and get the next token
token = tokenizer.nextToken().trim();
}
if ( tokenizer.hasMoreTokens() )
{
// this path could be a drive spec, so look at the next token
String nextToken = tokenizer.nextToken().trim();
// make sure we aren't going to get the path separator next
if ( !nextToken.equals( File.pathSeparator ) )
{
if ( nextToken.equals( ":" ) )
{
if ( !token.startsWith( "/" ) && !token.startsWith( "\\" ) && !token.startsWith( "." )
&& !token.startsWith( ".." ) )
{
// it indeed is a drive spec, get the next bit
String oneMore = tokenizer.nextToken().trim();
if ( !oneMore.equals( File.pathSeparator ) )
{
token += ":" + oneMore;
}
else
{
token += ":";
lookahead = oneMore;
}
}
// implicit else: ignore the ':' since we have either a
// UNIX or a relative path
}
else
{
// store the token just read for next time
lookahead = nextToken;
}
}
}
}
return token;
}
}
/**
* Ignores line like 'Picked up JAVA_TOOL_OPTIONS: ...' as can happen on CI servers.
*
* @author Robert Scholte
* @since 3.0.1
*/
protected static class JavadocOutputStreamConsumer
extends CommandLineUtils.StringStreamConsumer
{
@Override
public void consumeLine( String line )
{
if ( !line.startsWith( "Picked up " ) )
{
super.consumeLine( line );
}
}
}
static List<String> toList( String src )
{
return toList( src, null, null );
}
static List<String> toList( String src, String elementPrefix, String elementSuffix )
{
if ( StringUtils.isEmpty( src ) )
{
return null;
}
List<String> result = new ArrayList<>();
StringTokenizer st = new StringTokenizer( src, "[,:;]" );
StringBuilder sb = new StringBuilder( 256 );
while ( st.hasMoreTokens() )
{
sb.setLength( 0 );
if ( StringUtils.isNotEmpty( elementPrefix ) )
{
sb.append( elementPrefix );
}
sb.append( st.nextToken() );
if ( StringUtils.isNotEmpty( elementSuffix ) )
{
sb.append( elementSuffix );
}
result.add( sb.toString() );
}
return result;
}
static <T> List<T> toList( T[] multiple )
{
return toList( null, multiple );
}
static <T> List<T> toList( T single, T[] multiple )
{
if ( single == null && ( multiple == null || multiple.length < 1 ) )
{
return null;
}
List<T> result = new ArrayList<>();
if ( single != null )
{
result.add( single );
}
if ( multiple != null && multiple.length > 0 )
{
result.addAll( Arrays.asList( multiple ) );
}
return result;
}
// TODO: move to plexus-utils or use something appropriate from there
public static String toRelative( File basedir, String absolutePath )
{
String relative;
absolutePath = absolutePath.replace( '\\', '/' );
String basedirPath = basedir.getAbsolutePath().replace( '\\', '/' );
if ( absolutePath.startsWith( basedirPath ) )
{
relative = absolutePath.substring( basedirPath.length() );
if ( relative.startsWith( "/" ) )
{
relative = relative.substring( 1 );
}
if ( relative.length() <= 0 )
{
relative = ".";
}
}
else
{
relative = absolutePath;
}
return relative;
}
/**
* Convenience method to determine that a collection is not empty or null.
* @param collection the collection to verify
* @return {@code true} if not {@code null} and not empty, otherwise {@code false}
*/
public static boolean isNotEmpty( final Collection<?> collection )
{
return collection != null && !collection.isEmpty();
}
/**
* Convenience method to determine that a collection is empty or null.
* @param collection the collection to verify
* @return {@code true} if {@code null} or empty, otherwise {@code false}
*/
public static boolean isEmpty( final Collection<?> collection )
{
return collection == null || collection.isEmpty();
}
/**
* Execute an Http request at the given URL, follows redirects, and returns the last redirect locations. For URLs
* that aren't http/https, this does nothing and simply returns the given URL unchanged.
*
* @param url URL.
* @param settings Maven settings.
* @return Last redirect location.
* @throws IOException if there was an error during the Http request.
*/
protected static URL getRedirectUrl( URL url, Settings settings )
throws IOException
{
String protocol = url.getProtocol();
if ( !"http".equals( protocol ) && !"https".equals( protocol ) )
{
return url;
}
HttpClient httpClient = null;
try
{
httpClient = createHttpClient( settings, url );
HttpClientContext httpContext = HttpClientContext.create();
HttpGet httpMethod = new HttpGet( url.toString() );
HttpResponse response = httpClient.execute( httpMethod, httpContext );
int status = response.getStatusLine().getStatusCode();
if ( status != HttpStatus.SC_OK )
{
throw new FileNotFoundException( "Unexpected HTTP status code " + status + " getting resource "
+ url.toExternalForm() + "." );
}
List<URI> redirects = httpContext.getRedirectLocations();
return isEmpty( redirects ) ? url : redirects.get( redirects.size() - 1 ).toURL();
}
finally
{
if ( httpClient != null )
{
httpClient.getConnectionManager().shutdown();
}
}
}
/**
* Validates an <code>URL</code> to point to a valid <code>package-list</code> resource.
*
* @param url The URL to validate.
* @param settings The user settings used to configure the connection to the URL or {@code null}.
* @param validateContent <code>true</code> to validate the content of the <code>package-list</code> resource;
* <code>false</code> to only check the existence of the <code>package-list</code> resource.
* @return <code>true</code> if <code>url</code> points to a valid <code>package-list</code> resource;
* <code>false</code> else.
* @throws IOException if reading the resource fails.
* @see #createHttpClient(org.apache.maven.settings.Settings, java.net.URL)
* @since 2.8
*/
protected static boolean isValidPackageList( URL url, Settings settings, boolean validateContent )
throws IOException
{
if ( url == null )
{
throw new IllegalArgumentException( "The url is null" );
}
try ( BufferedReader reader = getReader( url, settings ) )
{
if ( validateContent )
{
for ( String line = reader.readLine(); line != null; line = reader.readLine() )
{
if ( !isValidPackageName( line ) )
{
return false;
}
}
}
return true;
}
}
protected static boolean isValidElementList( URL url, Settings settings, boolean validateContent )
throws IOException
{
if ( url == null )
{
throw new IllegalArgumentException( "The url is null" );
}
try ( BufferedReader reader = getReader( url, settings ) )
{
if ( validateContent )
{
for ( String line = reader.readLine(); line != null; line = reader.readLine() )
{
if ( line.startsWith( "module:" ) )
{
continue;
}
if ( !isValidPackageName( line ) )
{
return false;
}
}
}
return true;
}
}
private static BufferedReader getReader( URL url, Settings settings ) throws IOException
{
BufferedReader reader = null;
if ( "file".equals( url.getProtocol() ) )
{
// Intentionally using the platform default encoding here since this is what Javadoc uses internally.
reader = new BufferedReader( new InputStreamReader( url.openStream() ) );
}
else
{
// http, https...
final HttpClient httpClient = createHttpClient( settings, url );
final HttpGet httpMethod = new HttpGet( url.toString() );
HttpResponse response;
try
{
response = httpClient.execute( httpMethod );
}
catch ( SocketTimeoutException e )
{
// could be a sporadic failure, one more retry before we give up
response = httpClient.execute( httpMethod );
}
int status = response.getStatusLine().getStatusCode();
if ( status != HttpStatus.SC_OK )
{
throw new FileNotFoundException( "Unexpected HTTP status code " + status + " getting resource "
+ url.toExternalForm() + "." );
}
// Intentionally using the platform default encoding here since this is what Javadoc uses internally.
reader = new BufferedReader( new InputStreamReader( response.getEntity().getContent() ) )
{
@Override
public void close()
throws IOException
{
super.close();
if ( httpMethod != null )
{
httpMethod.releaseConnection();
}
if ( httpClient != null )
{
httpClient.getConnectionManager().shutdown();
}
}
};
}
return reader;
}
private static boolean isValidPackageName( String str )
{
if ( StringUtils.isEmpty( str ) )
{
// unnamed package is valid (even if bad practice :) )
return true;
}
int idx;
while ( ( idx = str.indexOf( '.' ) ) != -1 )
{
if ( !isValidClassName( str.substring( 0, idx ) ) )
{
return false;
}
str = str.substring( idx + 1 );
}
return isValidClassName( str );
}
private static boolean isValidClassName( String str )
{
if ( StringUtils.isEmpty( str ) || !Character.isJavaIdentifierStart( str.charAt( 0 ) ) )
{
return false;
}
for ( int i = str.length() - 1; i > 0; i-- )
{
if ( !Character.isJavaIdentifierPart( str.charAt( i ) ) )
{
return false;
}
}
return true;
}
/**
* Creates a new {@code HttpClient} instance.
*
* @param settings The settings to use for setting up the client or {@code null}.
* @param url The {@code URL} to use for setting up the client or {@code null}.
* @return A new {@code HttpClient} instance.
* @see #DEFAULT_TIMEOUT
* @since 2.8
*/
private static HttpClient createHttpClient( Settings settings, URL url )
{
DefaultHttpClient httpClient = new DefaultHttpClient( new PoolingClientConnectionManager() );
httpClient.getParams().setIntParameter( CoreConnectionPNames.SO_TIMEOUT, DEFAULT_TIMEOUT );
httpClient.getParams().setIntParameter( CoreConnectionPNames.CONNECTION_TIMEOUT, DEFAULT_TIMEOUT );
httpClient.getParams().setBooleanParameter( ClientPNames.ALLOW_CIRCULAR_REDIRECTS, true );
// Some web servers don't allow the default user-agent sent by httpClient
httpClient.getParams().setParameter( CoreProtocolPNames.USER_AGENT,
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)" );
// Some server reject requests that do not have an Accept header
httpClient.getParams().setParameter( ClientPNames.DEFAULT_HEADERS,
Arrays.asList( new BasicHeader( HttpHeaders.ACCEPT, "*/*" ) ) );
httpClient.getParams().setParameter( ClientPNames.COOKIE_POLICY, CookiePolicy.BROWSER_COMPATIBILITY );
if ( settings != null && settings.getActiveProxy() != null )
{
Proxy activeProxy = settings.getActiveProxy();
ProxyInfo proxyInfo = new ProxyInfo();
proxyInfo.setNonProxyHosts( activeProxy.getNonProxyHosts() );
if ( StringUtils.isNotEmpty( activeProxy.getHost() )
&& ( url == null || !ProxyUtils.validateNonProxyHosts( proxyInfo, url.getHost() ) ) )
{
HttpHost proxy = new HttpHost( activeProxy.getHost(), activeProxy.getPort() );
httpClient.getParams().setParameter( ConnRoutePNames.DEFAULT_PROXY, proxy );
if ( StringUtils.isNotEmpty( activeProxy.getUsername() ) && activeProxy.getPassword() != null )
{
Credentials credentials =
new UsernamePasswordCredentials( activeProxy.getUsername(), activeProxy.getPassword() );
httpClient.getCredentialsProvider().setCredentials( AuthScope.ANY, credentials );
}
}
}
return httpClient;
}
static boolean equalsIgnoreCase( String value, String... strings )
{
for ( String s : strings )
{
if ( s.equalsIgnoreCase( value ) )
{
return true;
}
}
return false;
}
static boolean equals( String value, String... strings )
{
for ( String s : strings )
{
if ( s.equals( value ) )
{
return true;
}
}
return false;
}
}