Examples of com.sun.mirror.util.DeclarationFilter

com.sun.mirror.util.DeclarationFilter
A filter for selecting just the items of interest from a collection of declarations. The filter is said to select or to match those declarations. Filters can be created in several ways: by the static methods described below, by negating or composing existing filters, or by subclasses that implement arbitrary matching rules.
A subclass can create an arbitrary filter simply by implementing the {@link #matches(Declaration)} method.
Examples.
Selecting the public declarations from a collection:
```
 result = FILTER_PUBLIC.filter(decls);		
```
Selecting class declarations (including enums):
```
 classFilter = DeclarationFilter.getFilter(ClassDeclaration.class); result = classFilter.filter(decls);		
```
Selecting class declarations but excluding enums:
```
 enumFilter = DeclarationFilter.getFilter(EnumDeclaration.class); compoundFilter = classFilter.and(enumFilter.not()); result = compoundFilter.filter(decls);		
```
Selecting declarations named "Bob":
```
 nameFilter = new DeclarationFilter() { public boolean matches(Declaration d) { return d.getSimpleName().equals("Bob"); } }; result = nameFilter.filter(decls);		
```
@author Joseph D. Darcy @author Scott Seligman @version 1.3 05/11/17 @since 1.5

      writer.println("import org.lwjgl.LWJGLUtil;");
      writer.println("import java.util.Set;");
      writer.println("import java.util.HashSet;");
      writer.println();
      GLCapabilitiesGenerator.generateClassPrologue(writer, context_specific, generate_error_checks);
      DeclarationFilter filter = DeclarationFilter.getFilter(InterfaceDeclaration.class);
      Collection<TypeDeclaration> interface_decls = filter.filter(env.getSpecifiedTypeDeclarations());
      for (TypeDeclaration typedecl : interface_decls) {
        InterfaceDeclaration interface_decl = (InterfaceDeclaration)typedecl;
        if (Utils.isFinal(interface_decl))
          GLCapabilitiesGenerator.generateField(writer, interface_decl);
      }

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      writer.println();
      writer.println("class " + REFERENCES_CLASS_NAME + " extends BaseReferences {");
                        writer.println("\t" + REFERENCES_CLASS_NAME + "(ContextCapabilities caps) {");
                        writer.println("\t\tsuper(caps);");
                        writer.println("\t}");
      DeclarationFilter filter = DeclarationFilter.getFilter(InterfaceDeclaration.class);
      Collection<TypeDeclaration> interface_decls = filter.filter(env.getSpecifiedTypeDeclarations());
      for (TypeDeclaration typedecl : interface_decls) {
        InterfaceDeclaration interface_decl = (InterfaceDeclaration)typedecl;
        generateReferencesFromMethods(writer, interface_decl);
      }
      writer.println();

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      writer.println("import org.lwjgl.LWJGLUtil;");
      writer.println("import java.util.Set;");
      writer.println("import java.util.HashSet;");
      writer.println();
      GLESCapabilitiesGenerator.generateClassPrologue(writer, context_specific, generate_error_checks);
      DeclarationFilter filter = DeclarationFilter.getFilter(InterfaceDeclaration.class);
      Collection<TypeDeclaration> interface_decls = filter.filter(env.getSpecifiedTypeDeclarations());
      for ( TypeDeclaration typedecl : interface_decls ) {
        InterfaceDeclaration interface_decl = (InterfaceDeclaration)typedecl;
        if ( Utils.isFinal(interface_decl) )
          GLESCapabilitiesGenerator.generateField(writer, interface_decl);
      }

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    }


    public void process() {
        int counter = 0;
        AnnotationTypeDeclaration storeEntryAnnDecls = decls.iterator().next();
        DeclarationFilter classFilter = DeclarationFilter.getFilter(ClassDeclaration.class);
        for (Declaration decl : classFilter.filter(env.getDeclarationsAnnotatedWith(storeEntryAnnDecls))) {
            if (decl != null) {
                ClassDeclaration classDecl = (ClassDeclaration) decl;
                ClassInfo classInfo = new ClassInfo(classDecl);
                classInfo.setJavaDoc(classDecl.getDocComment());
                classInfos.add(classInfo);
                qName = classDecl.getQualifiedName();




                DeclarationFilter setterFilter = new DeclarationFilter() {
                    public boolean matches(Declaration d) {
                        return d.getSimpleName().startsWith("set");
                    }
                };


                Collection<? extends MethodDeclaration> methods = classDecl.getMethods();
                ParameterDeclaration paramType = null;
                for (MethodDeclaration m : setterFilter.filter(methods)) {
                    MethodInfo methodInfo = new MethodInfo();
                    String attributeName = null;
                    Attribute attrAnn = m.getAnnotation(Attribute.class);
                    if (attrAnn != null) {
                        attributeName = attrAnn.name();

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