Java Filter类代码示例

import org.apache.maven.plugins.shade.filter.Filter; //导入依赖的package包/类
private ShadeRequest createShadeSourcesRequest( Set<File> testArtifacts, File testJar, List<Filter> filters,
                                                List<Relocator> relocators,
                                                List<ResourceTransformer> resourceTransformers )
{
    ShadeRequest shadeSourcesRequest =
        shadeRequest( testArtifacts, testJar, filters, relocators, resourceTransformers, this.consistentDates,
                      this.disableJarFileVerification );
    shadeSourcesRequest.setShadeSourcesContent( shadeSourcesContent );
    return shadeSourcesRequest;
}
 

import org.apache.maven.plugins.shade.filter.Filter; //导入依赖的package包/类
private List<Filter> getFilters( File jar, List<Filter> filters )
{
    List<Filter> list = new ArrayList<Filter>();

    for ( Filter filter : filters )
    {
        if ( filter.canFilter( jar ) )
        {
            list.add( filter );
        }

    }

    return list;
}
 

import org.apache.maven.plugins.shade.filter.Filter; //导入依赖的package包/类
private boolean isFiltered( List<Filter> filters, String name )
{
    for ( Filter filter : filters )
    {
        if ( filter.isFiltered( name ) )
        {
            return true;
        }
    }

    return false;
}
 

import org.apache.maven.plugins.shade.filter.Filter; //导入依赖的package包/类
public void testShaderWithStaticInitializedClass()
    throws Exception
{
    Shader s = newShader();

    Set<File> set = new LinkedHashSet<File>();

    set.add( new File( "src/test/jars/test-artifact-1.0-SNAPSHOT.jar" ) );

    List<Relocator> relocators = new ArrayList<Relocator>();

    relocators.add( new SimpleRelocator( "org.apache.maven.plugins.shade", null, null, null ) );

    List<ResourceTransformer> resourceTransformers = new ArrayList<ResourceTransformer>();

    List<Filter> filters = new ArrayList<Filter>();

    File file = new File( "target/testShaderWithStaticInitializedClass.jar" );

    ShadeRequest shadeRequest = new ShadeRequest();
    shadeRequest.setJars( set );
    shadeRequest.setUberJar( file );
    shadeRequest.setFilters( filters );
    shadeRequest.setRelocators( relocators );
    shadeRequest.setResourceTransformers( resourceTransformers );

    s.shade( shadeRequest );

    URLClassLoader cl = new URLClassLoader( new URL[] { file.toURI().toURL() } );
    Class<?> c = cl.loadClass( "hidden.org.apache.maven.plugins.shade.Lib" );
    Object o = c.newInstance();
    assertEquals( "foo.bar/baz", c.getDeclaredField( "CONSTANT" ).get( o ) );
}
 

import org.apache.maven.plugins.shade.filter.Filter; //导入依赖的package包/类
public void testShaderWithExclusions()
    throws Exception
{
    File jarFile = new File( getBasedir(), "target/unit/foo-bar.jar" );

    Shader s = (Shader) lookup( Shader.ROLE, "default" );

    Set<File> set = new LinkedHashSet<File>();
    set.add( new File( getBasedir(), "src/test/jars/test-artifact-1.0-SNAPSHOT.jar" ) );

    List<Relocator> relocators = new ArrayList<Relocator>();
    relocators.add( new SimpleRelocator( "org.codehaus.plexus.util", "hidden", null, Arrays.asList(
            "org.codehaus.plexus.util.xml.Xpp3Dom", "org.codehaus.plexus.util.xml.pull.*") ) );

    List<ResourceTransformer> resourceTransformers = new ArrayList<ResourceTransformer>();

    List<Filter> filters = new ArrayList<Filter>();

    ShadeRequest shadeRequest = new ShadeRequest();
    shadeRequest.setJars( set );
    shadeRequest.setUberJar( jarFile );
    shadeRequest.setFilters( filters );
    shadeRequest.setRelocators( relocators );
    shadeRequest.setResourceTransformers( resourceTransformers );

    s.shade( shadeRequest );

    ClassLoader cl = new URLClassLoader( new URL[]{ jarFile.toURI().toURL() } );
    Class<?> c = cl.loadClass( "org.apache.maven.plugins.shade.Lib" );

    Field field = c.getDeclaredField( "CLASS_REALM_PACKAGE_IMPORT" );
    assertEquals( "org.codehaus.plexus.util.xml.pull", field.get( null ) );

    Method method = c.getDeclaredMethod( "getClassRealmPackageImport", new Class[0] );
    assertEquals( "org.codehaus.plexus.util.xml.pull", method.invoke( null, new Object[0] ) );
}
 

import org.apache.maven.plugins.shade.filter.Filter; //导入依赖的package包/类
private List<Filter> getFilters(File jar, List<Filter> filters) {
  List<Filter> list = new ArrayList<Filter>();

  for (Filter filter : filters) {
    if (filter.canFilter(jar)) {
      list.add(filter);
    }
  }

  return list;
}
 

import org.apache.maven.plugins.shade.filter.Filter; //导入依赖的package包/类
private boolean isFiltered(List<Filter> filters, String name) {
  for (Filter filter : filters) {
    if (filter.isFiltered(name)) {
      return true;
    }
  }
  return false;
}
 

import org.apache.maven.plugins.shade.filter.Filter; //导入依赖的package包/类
public List<Filter> getFilters()
{
    return filters;
}
 

import org.apache.maven.plugins.shade.filter.Filter; //导入依赖的package包/类
private void shadeJars( ShadeRequest shadeRequest, Set<String> resources, List<ResourceTransformer> transformers,
                        RelocatorRemapper remapper, JarOutputStream jos, Multimap<String, File> duplicates )
    throws IOException, MojoExecutionException
{
    for ( File jar : shadeRequest.getJars() )
    {

        getLogger().debug( "Processing JAR " + jar );

        List<Filter> jarFilters = getFilters( jar, shadeRequest.getFilters() );

        JarFile jarFile = newJarFile( jar, shadeRequest.isDisableJarFileVerification() );

        try
        {

            for ( Enumeration<JarEntry> j = jarFile.entries(); j.hasMoreElements(); )
            {
                JarEntry entry = j.nextElement();

                String name = entry.getName();

                if ( "META-INF/INDEX.LIST".equals( name ) )
                {
                    // we cannot allow the jar indexes to be copied over or the
                    // jar is useless. Ideally, we could create a new one
                    // later
                    continue;
                }

                if ( !entry.isDirectory() && !isFiltered( jarFilters, name ) )
                {
                    shadeSingleJar( shadeRequest, resources, transformers, remapper, jos, duplicates, jar, jarFile,
                                    entry, name );
                }
            }

        }
        finally
        {
            jarFile.close();
        }
    }
}
 

import org.apache.maven.plugins.shade.filter.Filter; //导入依赖的package包/类
public void testShaderWithRelocatedClassname()
    throws Exception
{
    DefaultShader s = newShader();

    Set<File> set = new LinkedHashSet<File>();

    set.add( new File( "src/test/jars/test-project-1.0-SNAPSHOT.jar" ) );

    set.add( new File( "src/test/jars/plexus-utils-1.4.1.jar" ) );

    List<Relocator> relocators = new ArrayList<Relocator>();

    relocators.add( new SimpleRelocator( "org/codehaus/plexus/util/", "_plexus/util/__", null,
                                         Arrays.<String> asList() ) );

    List<ResourceTransformer> resourceTransformers = new ArrayList<ResourceTransformer>();

    resourceTransformers.add( new ComponentsXmlResourceTransformer() );

    List<Filter> filters = new ArrayList<Filter>();

    File file = new File( "target/foo-relocate-class.jar" );

    ShadeRequest shadeRequest = new ShadeRequest();
    shadeRequest.setJars( set );
    shadeRequest.setUberJar( file );
    shadeRequest.setFilters( filters );
    shadeRequest.setRelocators( relocators );
    shadeRequest.setResourceTransformers( resourceTransformers );

    s.shade( shadeRequest );

    URLClassLoader cl = new URLClassLoader( new URL[] { file.toURI().toURL() } );
    Class<?> c = cl.loadClass( "_plexus.util.__StringUtils" );
    // first, ensure it works:
    Object o = c.newInstance();
    assertEquals( "", c.getMethod( "clean", String.class ).invoke( o, (String) null ) );

    // now, check that its source file was rewritten:
    final String[] source = { null };
    final ClassReader classReader = new ClassReader( cl.getResourceAsStream( "_plexus/util/__StringUtils.class" ) );
    classReader.accept( new ClassVisitor( Opcodes.ASM4 )
    {
        @Override
        public void visitSource( String arg0, String arg1 )
        {
            super.visitSource( arg0, arg1 );
            source[0] = arg0;
        }
    }, ClassReader.SKIP_CODE );
    assertEquals( "__StringUtils.java", source[0] );
}
 

import org.apache.maven.plugins.shade.filter.Filter; //导入依赖的package包/类
private void shaderWithPattern( String shadedPattern, File jar, String[] excludes )
    throws Exception
{
    DefaultShader s = newShader();

    Set<File> set = new LinkedHashSet<File>();

    set.add( new File( "src/test/jars/test-project-1.0-SNAPSHOT.jar" ) );

    set.add( new File( "src/test/jars/plexus-utils-1.4.1.jar" ) );

    List<Relocator> relocators = new ArrayList<Relocator>();

    relocators.add( new SimpleRelocator( "org/codehaus/plexus/util", shadedPattern, null, Arrays.asList( excludes ) ) );

    List<ResourceTransformer> resourceTransformers = new ArrayList<ResourceTransformer>();

    resourceTransformers.add( new ComponentsXmlResourceTransformer() );

    List<Filter> filters = new ArrayList<Filter>();

    ShadeRequest shadeRequest = new ShadeRequest();
    shadeRequest.setJars( set );
    shadeRequest.setUberJar( jar );
    shadeRequest.setFilters( filters );
    shadeRequest.setRelocators( relocators );
    shadeRequest.setResourceTransformers( resourceTransformers );

    s.shade( shadeRequest );
}
 

import org.apache.maven.plugins.shade.filter.Filter; //导入依赖的package包/类
public void shaderWithPattern( String shadedPattern, File jar )
    throws Exception
{
    Shader s = (Shader) lookup( Shader.ROLE );

    Set<File> set = new LinkedHashSet<File>();

    set.add( new File( getBasedir(), "src/test/jars/test-project-1.0-SNAPSHOT.jar" ) );

    set.add( new File( getBasedir(), "src/test/jars/plexus-utils-1.4.1.jar" ) );

    List<Relocator> relocators = new ArrayList<Relocator>();

    relocators.add( new SimpleRelocator( "org/codehaus/plexus/util", shadedPattern, null, Arrays.asList(
            "org/codehaus/plexus/util/xml/Xpp3Dom", "org/codehaus/plexus/util/xml/pull.*") ) );

    List<ResourceTransformer> resourceTransformers = new ArrayList<ResourceTransformer>();

    resourceTransformers.add( new ComponentsXmlResourceTransformer() );

    List<Filter> filters = new ArrayList<Filter>();

    ShadeRequest shadeRequest = new ShadeRequest();
    shadeRequest.setJars( set );
    shadeRequest.setUberJar( jar );
    shadeRequest.setFilters( filters );
    shadeRequest.setRelocators( relocators );
    shadeRequest.setResourceTransformers( resourceTransformers );

    s.shade( shadeRequest );
}
 

import org.apache.maven.plugins.shade.filter.Filter; //导入依赖的package包/类
/**
 * The filters.
 *
 * @param filters
 */
public void setFilters( List<Filter> filters )
{
    this.filters = filters;
}