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MPLUGIN-90: Refactor makeValidHtml into PluginUtils for better reusage 

Submitted by: Benjamin Bentmann
Reviewed by: Vincent Siveton

o applied

git-svn-id: https://svn.apache.org/repos/asf/maven/plugin-tools/trunk@634963 13f79535-47bb-0310-9956-ffa450edef68
master
Vincent Siveton 2008-03-08 13:44:45 +00:00
parent aaf7f10e1c
commit 50014a564f
5 changed files with 231 additions and 225 deletions
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4
maven-plugin-plugin/src/main/java/org/apache/maven/plugin/plugin/PluginReport.java
View File

@ -326,6 +326,10 @@ public class PluginReport
{
description = getBundle( locale ).getString( "report.plugin.goal.nodescription" );
}
else
{
description = PluginUtils.makeHtmlValid( description );
}
String deprecated = mojo.getDeprecated();
if ( StringUtils.isNotEmpty( deprecated ) )

159
maven-plugin-tools-api/src/main/java/org/apache/maven/tools/plugin/generator/PluginXdocGenerator.java
View File

@ -29,8 +29,6 @@ import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.ResourceBundle;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.apache.maven.plugin.descriptor.MojoDescriptor;
import org.apache.maven.plugin.descriptor.Parameter;
@ -38,12 +36,9 @@ import org.apache.maven.plugin.descriptor.PluginDescriptor;
import org.apache.maven.project.MavenProject;
import org.apache.maven.tools.plugin.util.PluginUtils;
import org.codehaus.plexus.util.IOUtil;
import org.codehaus.plexus.util.StringInputStream;
import org.codehaus.plexus.util.StringOutputStream;
import org.codehaus.plexus.util.StringUtils;
import org.codehaus.plexus.util.xml.PrettyPrintXMLWriter;
import org.codehaus.plexus.util.xml.XMLWriter;
import org.w3c.tidy.Tidy;
/**
* @todo add example usage tag that can be shown in the doco
@ -177,7 +172,7 @@ public class PluginXdocGenerator
w.startElement( "p" );
if ( StringUtils.isNotEmpty( mojoDescriptor.getDescription() ) )
{
w.writeMarkup( makeHtmlValid( mojoDescriptor.getDescription() ) );
w.writeMarkup( PluginUtils.makeHtmlValid( mojoDescriptor.getDescription() ) );
}
else
{
@ -384,7 +379,7 @@ public class PluginXdocGenerator
}
else
{
description = makeHtmlValid( description );
description = PluginUtils.makeHtmlValid( description );
}
w.startElement( "p" );
w.writeMarkup( description );
@ -520,7 +515,7 @@ public class PluginXdocGenerator
}
else
{
description = makeHtmlValid( description );
description = PluginUtils.makeHtmlValid( description );
}
if ( StringUtils.isNotEmpty( parameter.getDeprecated() ) )
{
@ -559,154 +554,6 @@ public class PluginXdocGenerator
return list;
}
/**
* @param description Javadoc description with HTML tags
* @return the description with valid HTML tags
*/
protected static String makeHtmlValid( String description )
{
if ( StringUtils.isEmpty( description ) )
{
return "";
}
StringOutputStream out = new StringOutputStream();
// Using jTidy to clean comment
Tidy tidy = new Tidy();
tidy.setDocType( "loose" );
tidy.setXHTML( true );
tidy.setXmlOut( true );
tidy.setMakeClean( true );
tidy.setQuiet( true );
tidy.setShowWarnings( false );
tidy.parse( new StringInputStream( decodeJavadocTags( description ) ), out );
// strip the header/body stuff
String LS = System.getProperty( "line.separator" );
String commentCleaned = out.toString();
if ( StringUtils.isEmpty( commentCleaned ) )
{
return "";
}
int startPos = commentCleaned.indexOf( "<body>" + LS ) + 6 + LS.length();
int endPos = commentCleaned.indexOf( LS + "</body>" );
return commentCleaned.substring( startPos, endPos );
}
/**
* Decodes javadoc inline tags into equivalent HTML tags. For instance, the inline tag "{@code <A&B>}" should be
* rendered as "<code>&lt;A&amp;B&gt;</code>".
*
* @param description The javadoc description to decode, may be <code>null</code>.
* @return The decoded description, never <code>null</code>.
*/
protected static String decodeJavadocTags( String description )
{
if ( StringUtils.isEmpty( description ) )
{
return "";
}
StringBuffer decoded = new StringBuffer( description.length() + 1024 );
Matcher matcher = Pattern.compile( "\\{@(\\w+)\\s*([^\\}]*)\\}" ).matcher( description );
while ( matcher.find() )
{
String tag = matcher.group( 1 );
String text = matcher.group( 2 );
text = StringUtils.replace( text, "&", "&amp;" );
text = StringUtils.replace( text, "<", "&lt;" );
text = StringUtils.replace( text, ">", "&gt;" );
if ( "code".equals( tag ) )
{
text = "<code>" + text + "</code>";
}
else if ( "link".equals( tag ) || "linkplain".equals( tag ) || "value".equals( tag ) )
{
String pattern = "(([^#\\.\\s]+\\.)*([^#\\.\\s]+))?" + "(#([^\\(\\s]*)(\\([^\\)]*\\))?\\s*(\\S.*)?)?";
final int LABEL = 7;
final int CLASS = 3;
final int MEMBER = 5;
final int ARGS = 6;
Matcher link = Pattern.compile( pattern ).matcher( text );
if ( link.matches() )
{
text = link.group( LABEL );
if ( StringUtils.isEmpty( text ) )
{
text = link.group( CLASS );
if ( StringUtils.isEmpty( text ) )
{
text = "";
}
if ( StringUtils.isNotEmpty( link.group( MEMBER ) ) )
{
if ( StringUtils.isNotEmpty( text ) )
{
text += '.';
}
text += link.group( MEMBER );
if ( StringUtils.isNotEmpty( link.group( ARGS ) ) )
{
text += "()";
}
}
}
}
if ( !"linkplain".equals( tag ) )
{
text = "<code>" + text + "</code>";
}
}
matcher.appendReplacement( decoded, ( text != null ) ? quoteReplacement( text ) : "" );
}
matcher.appendTail( decoded );
return decoded.toString();
}
/**
* Returns a literal replacement <code>String</code> for the specified <code>String</code>. This method
* produces a <code>String</code> that will work as a literal replacement <code>s</code> in the
* <code>appendReplacement</code> method of the {@link Matcher} class. The <code>String</code> produced will
* match the sequence of characters in <code>s</code> treated as a literal sequence. Slashes ('\') and dollar
* signs ('$') will be given no special meaning.
*
* TODO: copied from Matcher class of Java 1.5, remove once target platform can be upgraded
* @see <a href="http://java.sun.com/j2se/1.5.0/docs/api/java/util/regex/Matcher.html">
* http://java.sun.com/j2se/1.5.0/docs/api/java/util/regex/Matcher.html</a>
*
* @param s The string to be literalized
* @return A literal string replacement
*/
private static String quoteReplacement( String s )
{
if ( ( s.indexOf( '\\' ) == -1 ) && ( s.indexOf( '$' ) == -1 ) )
return s;
StringBuffer sb = new StringBuffer();
for ( int i = 0; i < s.length(); i++ )
{
char c = s.charAt( i );
if ( c == '\\' )
{
sb.append( '\\' );
sb.append( '\\' );
}
else if ( c == '$' )
{
sb.append( '\\' );
sb.append( '$' );
}
else
{
sb.append( c );
}
}
return sb.toString();
}
/**
* Gets the resource bundle for the specified locale.
*

152
maven-plugin-tools-api/src/main/java/org/apache/maven/tools/plugin/util/PluginUtils.java
View File

@ -27,6 +27,8 @@ import java.util.ArrayList;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.apache.maven.artifact.DependencyResolutionRequiredException;
import org.apache.maven.model.Dependency;
@ -36,8 +38,11 @@ import org.apache.maven.reporting.MavenReport;
import org.codehaus.plexus.component.repository.ComponentDependency;
import org.codehaus.plexus.util.DirectoryScanner;
import org.codehaus.plexus.util.FileUtils;
import org.codehaus.plexus.util.StringInputStream;
import org.codehaus.plexus.util.StringOutputStream;
import org.codehaus.plexus.util.StringUtils;
import org.codehaus.plexus.util.xml.XMLWriter;
import org.w3c.tidy.Tidy;
/**
* Convenience methods to play with Maven plugins.
@ -221,4 +226,151 @@ public final class PluginUtils
return false;
}
/**
* @param description Javadoc description with HTML tags
* @return the description with valid HTML tags
*/
public static String makeHtmlValid( String description )
{
if ( StringUtils.isEmpty( description ) )
{
return "";
}
StringOutputStream out = new StringOutputStream();
// Using jTidy to clean comment
Tidy tidy = new Tidy();
tidy.setDocType( "loose" );
tidy.setXHTML( true );
tidy.setXmlOut( true );
tidy.setMakeClean( true );
tidy.setQuiet( true );
tidy.setShowWarnings( false );
tidy.parse( new StringInputStream( decodeJavadocTags( description ) ), out );
// strip the header/body stuff
String LS = System.getProperty( "line.separator" );
String commentCleaned = out.toString();
if ( StringUtils.isEmpty( commentCleaned ) )
{
return "";
}
int startPos = commentCleaned.indexOf( "<body>" + LS ) + 6 + LS.length();
int endPos = commentCleaned.indexOf( LS + "</body>" );
return commentCleaned.substring( startPos, endPos );
}
/**
* Decodes javadoc inline tags into equivalent HTML tags. For instance, the inline tag "{@code <A&B>}" should be
* rendered as "<code>&lt;A&amp;B&gt;</code>".
*
* @param description The javadoc description to decode, may be <code>null</code>.
* @return The decoded description, never <code>null</code>.
*/
static String decodeJavadocTags( String description )
{
if ( StringUtils.isEmpty( description ) )
{
return "";
}
StringBuffer decoded = new StringBuffer( description.length() + 1024 );
Matcher matcher = Pattern.compile( "\\{@(\\w+)\\s*([^\\}]*)\\}" ).matcher( description );
while ( matcher.find() )
{
String tag = matcher.group( 1 );
String text = matcher.group( 2 );
text = StringUtils.replace( text, "&", "&amp;" );
text = StringUtils.replace( text, "<", "&lt;" );
text = StringUtils.replace( text, ">", "&gt;" );
if ( "code".equals( tag ) )
{
text = "<code>" + text + "</code>";
}
else if ( "link".equals( tag ) || "linkplain".equals( tag ) || "value".equals( tag ) )
{
String pattern = "(([^#\\.\\s]+\\.)*([^#\\.\\s]+))?" + "(#([^\\(\\s]*)(\\([^\\)]*\\))?\\s*(\\S.*)?)?";
final int LABEL = 7;
final int CLASS = 3;
final int MEMBER = 5;
final int ARGS = 6;
Matcher link = Pattern.compile( pattern ).matcher( text );
if ( link.matches() )
{
text = link.group( LABEL );
if ( StringUtils.isEmpty( text ) )
{
text = link.group( CLASS );
if ( StringUtils.isEmpty( text ) )
{
text = "";
}
if ( StringUtils.isNotEmpty( link.group( MEMBER ) ) )
{
if ( StringUtils.isNotEmpty( text ) )
{
text += '.';
}
text += link.group( MEMBER );
if ( StringUtils.isNotEmpty( link.group( ARGS ) ) )
{
text += "()";
}
}
}
}
if ( !"linkplain".equals( tag ) )
{
text = "<code>" + text + "</code>";
}
}
matcher.appendReplacement( decoded, ( text != null ) ? quoteReplacement( text ) : "" );
}
matcher.appendTail( decoded );
return decoded.toString();
}
/**
* Returns a literal replacement <code>String</code> for the specified <code>String</code>. This method
* produces a <code>String</code> that will work as a literal replacement <code>s</code> in the
* <code>appendReplacement</code> method of the {@link Matcher} class. The <code>String</code> produced will
* match the sequence of characters in <code>s</code> treated as a literal sequence. Slashes ('\') and dollar
* signs ('$') will be given no special meaning. TODO: copied from Matcher class of Java 1.5, remove once target
* platform can be upgraded
*
* @see <a href="http://java.sun.com/j2se/1.5.0/docs/api/java/util/regex/Matcher.html">java.util.regex.Matcher</a>
* @param s The string to be literalized
* @return A literal string replacement
*/
private static String quoteReplacement( String s )
{
if ( ( s.indexOf( '\\' ) == -1 ) && ( s.indexOf( '$' ) == -1 ) )
return s;
StringBuffer sb = new StringBuffer();
for ( int i = 0; i < s.length(); i++ )
{
char c = s.charAt( i );
if ( c == '\\' )
{
sb.append( '\\' );
sb.append( '\\' );
}
else if ( c == '$' )
{
sb.append( '\\' );
sb.append( '$' );
}
else
{
sb.append( c );
}
}
return sb.toString();
}
}

69
maven-plugin-tools-api/src/test/java/org/apache/maven/tools/plugin/generator/PluginXdocGeneratorTest.java
View File

@ -27,72 +27,5 @@ package org.apache.maven.tools.plugin.generator;
public class PluginXdocGeneratorTest
extends AbstractGeneratorTestCase
{
public void testMakeHtmlValid()
{
String javadoc = "";
assertEquals( "", PluginXdocGenerator.makeHtmlValid( javadoc ) );
// true HTML
javadoc = "Generates <i>something</i> for the project.";
assertEquals( "Generates <i>something</i> for the project.", PluginXdocGenerator.makeHtmlValid( javadoc ) );
// wrong HTML
javadoc = "Generates <i>something</i> <b> for the project.";
assertEquals( "Generates <i>something</i> <b> for the project.</b>", PluginXdocGenerator
.makeHtmlValid( javadoc ) );
}
public void testDecodeJavadocTags()
{
String javadoc = null;
assertEquals( "", PluginXdocGenerator.decodeJavadocTags( javadoc ) );
javadoc = "";
assertEquals( "", PluginXdocGenerator.decodeJavadocTags( javadoc ) );
javadoc = "{@code text}";
assertEquals( "<code>text</code>", PluginXdocGenerator.decodeJavadocTags( javadoc ) );
javadoc = "{@code <A&B>}";
assertEquals( "<code>&lt;A&amp;B&gt;</code>", PluginXdocGenerator.decodeJavadocTags( javadoc ) );
javadoc = "{@literal text}";
assertEquals( "text", PluginXdocGenerator.decodeJavadocTags( javadoc ) );
javadoc = "{@literal text} {@literal text}";
assertEquals( "text text", PluginXdocGenerator.decodeJavadocTags( javadoc ) );
javadoc = "{@literal <A&B>}";
assertEquals( "&lt;A&amp;B&gt;", PluginXdocGenerator.decodeJavadocTags( javadoc ) );
javadoc = "{@link Class}";
assertEquals( "<code>Class</code>", PluginXdocGenerator.decodeJavadocTags( javadoc ) );
javadoc = "{@linkplain Class}";
assertEquals( "Class", PluginXdocGenerator.decodeJavadocTags( javadoc ) );
javadoc = "{@linkplain #field}";
assertEquals( "field", PluginXdocGenerator.decodeJavadocTags( javadoc ) );
javadoc = "{@linkplain Class#field}";
assertEquals( "Class.field", PluginXdocGenerator.decodeJavadocTags( javadoc ) );
javadoc = "{@linkplain #method()}";
assertEquals( "method()", PluginXdocGenerator.decodeJavadocTags( javadoc ) );
javadoc = "{@linkplain #method(Object arg)}";
assertEquals( "method()", PluginXdocGenerator.decodeJavadocTags( javadoc ) );
javadoc = "{@linkplain #method(Object, String)}";
assertEquals( "method()", PluginXdocGenerator.decodeJavadocTags( javadoc ) );
javadoc = "{@linkplain #method(Object, String) label}";
assertEquals( "label", PluginXdocGenerator.decodeJavadocTags( javadoc ) );
javadoc = "{@linkplain Class#method(Object, String)}";
assertEquals( "Class.method()", PluginXdocGenerator.decodeJavadocTags( javadoc ) );
javadoc = "{@linkplain Class#method(Object, String) label}";
assertEquals( "label", PluginXdocGenerator.decodeJavadocTags( javadoc ) );
}
// inherits tests from base class
}

72
maven-plugin-tools-api/src/test/java/org/apache/maven/tools/plugin/util/PluginUtilsTest.java
View File

@ -118,4 +118,74 @@ public class PluginUtilsTest
impl = "org.apache.maven.tools.plugin.util.stubs.MojoStub";
assertFalse( PluginUtils.isMavenReport( impl, stub ) );
}
}
public void testMakeHtmlValid()
{
String javadoc = "";
assertEquals( "", PluginUtils.makeHtmlValid( javadoc ) );
// true HTML
javadoc = "Generates <i>something</i> for the project.";
assertEquals( "Generates <i>something</i> for the project.", PluginUtils.makeHtmlValid( javadoc ) );
// wrong HTML
javadoc = "Generates <i>something</i> <b> for the project.";
assertEquals( "Generates <i>something</i> <b> for the project.</b>", PluginUtils
.makeHtmlValid( javadoc ) );
}
public void testDecodeJavadocTags()
{
String javadoc = null;
assertEquals( "", PluginUtils.decodeJavadocTags( javadoc ) );
javadoc = "";
assertEquals( "", PluginUtils.decodeJavadocTags( javadoc ) );
javadoc = "{@code text}";
assertEquals( "<code>text</code>", PluginUtils.decodeJavadocTags( javadoc ) );
javadoc = "{@code <A&B>}";
assertEquals( "<code>&lt;A&amp;B&gt;</code>", PluginUtils.decodeJavadocTags( javadoc ) );
javadoc = "{@literal text}";
assertEquals( "text", PluginUtils.decodeJavadocTags( javadoc ) );
javadoc = "{@literal text} {@literal text}";
assertEquals( "text text", PluginUtils.decodeJavadocTags( javadoc ) );
javadoc = "{@literal <A&B>}";
assertEquals( "&lt;A&amp;B&gt;", PluginUtils.decodeJavadocTags( javadoc ) );
javadoc = "{@link Class}";
assertEquals( "<code>Class</code>", PluginUtils.decodeJavadocTags( javadoc ) );
javadoc = "{@linkplain Class}";
assertEquals( "Class", PluginUtils.decodeJavadocTags( javadoc ) );
javadoc = "{@linkplain #field}";
assertEquals( "field", PluginUtils.decodeJavadocTags( javadoc ) );
javadoc = "{@linkplain Class#field}";
assertEquals( "Class.field", PluginUtils.decodeJavadocTags( javadoc ) );
javadoc = "{@linkplain #method()}";
assertEquals( "method()", PluginUtils.decodeJavadocTags( javadoc ) );
javadoc = "{@linkplain #method(Object arg)}";
assertEquals( "method()", PluginUtils.decodeJavadocTags( javadoc ) );
javadoc = "{@linkplain #method(Object, String)}";
assertEquals( "method()", PluginUtils.decodeJavadocTags( javadoc ) );
javadoc = "{@linkplain #method(Object, String) label}";
assertEquals( "label", PluginUtils.decodeJavadocTags( javadoc ) );
javadoc = "{@linkplain Class#method(Object, String)}";
assertEquals( "Class.method()", PluginUtils.decodeJavadocTags( javadoc ) );
javadoc = "{@linkplain Class#method(Object, String) label}";
assertEquals( "label", PluginUtils.decodeJavadocTags( javadoc ) );
}
}