Examples of org.apache.felix.ipojo.parser.PojoMetadata

org.apache.felix.ipojo.parser.PojoMetadata
Manipulation Metadata allows getting information about the implementation class without using reflection such as implemented interfaces, super class, methods and fields. This method allows getting object to register {@link org.apache.felix.ipojo.FieldInterceptor} and{@link org.apache.felix.ipojo.MethodInterceptor}. @author Felix Project Team

     * @param configuration     : the instance configuration
     * @throws ConfigurationException : one dependency metadata is not correct.
     * @see org.apache.felix.ipojo.Handler#configure(org.apache.felix.ipojo.metadata.Element, java.util.Dictionary)
     */
    public void configure(Element componentMetadata, Dictionary configuration) throws ConfigurationException {
        PojoMetadata manipulation = getFactory().getPojoMetadata();
        boolean atLeastOneField = false;


        // Create the dependency according to the component metadata
        Element[] deps = componentMetadata.getElements("Requires");


        // Get instance filters.
        Dictionary filtersConfiguration = getRequiresFilters(configuration.get("requires.filters"));
        Dictionary fromConfiguration = (Dictionary) configuration.get("requires.from");


        for (int i = 0; deps != null && i < deps.length; i++) {
            // Create the dependency metadata
            final Element dependencyElement = deps[i];


            String field = dependencyElement.getAttribute("field");
            String serviceSpecification = getServiceSpecificationAttribute(dependencyElement);
            String opt = dependencyElement.getAttribute("optional");
            boolean optional = opt != null && opt.equalsIgnoreCase("true");
            String defaultImpl = dependencyElement.getAttribute("default-implementation");
            String exception = dependencyElement.getAttribute("exception");
            String to = dependencyElement.getAttribute("timeout");
            int timeout = 0;
            if (to != null) {
                timeout = Integer.parseInt(to);
            }


            String agg = dependencyElement.getAttribute("aggregate");
            boolean aggregate = agg != null && agg.equalsIgnoreCase("true");


            String identity = dependencyElement.getAttribute("id");


            String nul = dependencyElement.getAttribute("nullable");
            boolean nullable = nul == null || nul.equalsIgnoreCase("true");


            boolean isProxy = isProxy(dependencyElement);


            BundleContext context = getFacetedBundleContext(dependencyElement);


            String filter = computeFilter(dependencyElement, filtersConfiguration, fromConfiguration, aggregate, identity);
            Filter fil = createAndCheckFilter(filter);


            Class spec = null;
            if (serviceSpecification != null) {
                spec = DependencyMetadataHelper.loadSpecification(serviceSpecification, getInstanceManager().getContext());
            }


            int policy = DependencyMetadataHelper.getPolicy(dependencyElement);
            Comparator cmp = DependencyMetadataHelper.getComparator(dependencyElement, getInstanceManager().getGlobalContext());


            Dependency dep = new Dependency(this, field, spec, fil, optional, aggregate, nullable, isProxy, identity,
                    context, policy, cmp, defaultImpl, exception);
            dep.setTimeout(timeout);


            // Look for dependency callback :
            addCallbacksToDependency(dependencyElement, dep);


            // Add the constructor parameter if needed
            String paramIndex = dependencyElement.getAttribute("constructor-parameter");
            if (paramIndex != null) {
                int index = Integer.parseInt(paramIndex);
                dep.addConstructorInjection(index);
            }


            // Check the dependency, throws an exception on error.
            DependencyConfigurationChecker.ensure(dep, dependencyElement, manipulation);
            m_dependencies.add(dep);
            if (dep.getField() != null) {
                getInstanceManager().register(manipulation.getField(dep.getField()), dep);
                atLeastOneField = true;
            }


        }


        if (atLeastOneField) { // Does register only if we have fields
            MethodMetadata[] methods = manipulation.getMethods();
            for (MethodMetadata method : methods) {
                for (Dependency dep : m_dependencies) {
                    getInstanceManager().register(method, dep);
                }
            }


            // Also track the inner class methods
            for (String inner : manipulation.getInnerClasses()) {
                MethodMetadata[] meths = manipulation.getMethodsFromInnerClass(inner);
                if (meths != null) {
                    for (MethodMetadata method : meths) {
                        for (Dependency dep : m_dependencies) {
                            getInstanceManager().register(method, inner, dep);
                        }

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    assertNotNull("Check elem not null", elem);
    
    Element manip = getMetadataForComponent(elem, "ManipulationMetadata-FooProviderType-1");
        assertNotNull("Check manipulation metadata not null for " + "Manipulation-FooProviderType-1", manip);
        PojoMetadata mm;
        try {
            mm = new PojoMetadata(manip);
            assertNotNull("Check mm not null", mm);
        } catch (ConfigurationException e) {
            fail("The creation of pojo metadata has failed");
        }
  }

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            fail("The creation of pojo metadata has failed");
        }
  }
  
  public void testInterface() {
      PojoMetadata manip = FooProviderType1;
    
        String[] itf = manip.getInterfaces();
    assertEquals("Check interfaces number", itf.length, 1);
    assertEquals("Check itf name", itf[0], FooService.class.getName());
        
        assertTrue("Check Foo Service implementation", manip.isInterfaceImplemented(FooService.class.getName()));
        assertFalse("Check Bar Service implementation", manip.isInterfaceImplemented(BarService.class.getName()));
  }

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        assertTrue("Check Foo Service implementation", manip.isInterfaceImplemented(FooService.class.getName()));
        assertFalse("Check Bar Service implementation", manip.isInterfaceImplemented(BarService.class.getName()));
  }
  
  public void testInterfaces() {
      PojoMetadata manip = FooBarProviderType1;
        String[] itf = manip.getInterfaces();
    assertEquals("Check interfaces number", itf.length, 2);
    assertEquals("Check itf name", itf[0], FooService.class.getName());
    assertEquals("Check itf name", itf[1], BarService.class.getName());
        
        assertTrue("Check Foo Service implementation", manip.isInterfaceImplemented(FooService.class.getName()));
        assertTrue("Check Bar Service implementation", manip.isInterfaceImplemented(BarService.class.getName()));
  }

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        assertTrue("Check Foo Service implementation", manip.isInterfaceImplemented(FooService.class.getName()));
        assertTrue("Check Bar Service implementation", manip.isInterfaceImplemented(BarService.class.getName()));
  }
  
  public void testFields() {
      PojoMetadata manip = FooProviderTypeDyn;
    
    FieldMetadata[] fields = manip.getFields();
    assertEquals("Check field count + " + fields.length, fields.length, 5);
    /*
    private int intProp;  
    private String strProp;
    private String[] strAProp;
    private int[] intAProp;
    private boolean boolProp;
     */
    
    FieldMetadata field;
    
    field = manip.getField("intProp");    
    assertEquals("Check field name : " + field.getFieldName(), field.getFieldName(), "intProp");
    assertEquals("Check field type : " + field.getFieldName(), field.getFieldType(), "int");
        assertEquals("Check field reflective type : " + field.getFieldName(), FieldMetadata.getReflectionType(field.getFieldType()), "int");
        
        field = manip.getField("intProp", "int");      
        assertEquals("Check field name : " + field.getFieldName(), field.getFieldName(), "intProp");
        assertEquals("Check field type : " + field.getFieldName(), field.getFieldType(), "int");
        
        field = manip.getField("intProp", "long");
        assertNull("Check bad field", field);
    
    field = manip.getField("strProp");
    assertEquals("Check field name : " + field.getFieldName(), field.getFieldName(), "strProp");
    assertEquals("Check field type : " + field.getFieldName(), field.getFieldType(), "java.lang.String");
        assertEquals("Check field reflective type : " + field.getFieldName(), FieldMetadata.getReflectionType(field.getFieldType()), "java.lang.String");
        
        field = manip.getField("strProp", "String");
        assertNull("Check bad field", field);
        
        field = manip.getField("strProp", "java.lang.String");
        assertEquals("Check field name : " + field.getFieldName(), field.getFieldName(), "strProp");
        assertEquals("Check field type : " + field.getFieldName(), field.getFieldType(), "java.lang.String");
    
    field = manip.getField("strAProp");
    assertEquals("Check field name : " + field.getFieldName(), field.getFieldName(), "strAProp");
    assertEquals("Check field type : " + field.getFieldName(), field.getFieldType(), "java.lang.String[]");
        assertEquals("Check field reflective type : " + field.getFieldName() + " -> " + FieldMetadata.getReflectionType(field.getFieldType()), FieldMetadata.getReflectionType(field.getFieldType()), "[Ljava.lang.String;");
        
        field = manip.getField("strAProp", "java.lang.String[]");
        assertEquals("Check field name : " + field.getFieldName(), field.getFieldName(), "strAProp");
        assertEquals("Check field type : " + field.getFieldName(), field.getFieldType(), "java.lang.String[]");
        
        field = manip.getField("strAProp", "String[]");
        assertNull("Check bad field", field);
    
    field = manip.getField("intAProp");
    assertEquals("Check field name : " + field.getFieldName(), field.getFieldName(), "intAProp");
    assertEquals("Check field type : " + field.getFieldName(), field.getFieldType(), "int[]");
        assertEquals("Check field reflective type : " + field.getFieldName() + " -> " + FieldMetadata.getReflectionType(field.getFieldType()), FieldMetadata.getReflectionType(field.getFieldType()), "[I");
        
        field = manip.getField("intAProp", "int[]");
        assertEquals("Check field name : " + field.getFieldName(), field.getFieldName(), "intAProp");
        assertEquals("Check field type : " + field.getFieldName(), field.getFieldType(), "int[]");
        
        field = manip.getField("intAProp", "String[]");
        assertNull("Check bad field", field);
    
    field = manip.getField("boolProp");
    assertEquals("Check field name : " + field.getFieldName(), field.getFieldName(), "boolProp");
    assertEquals("Check field type : " + field.getFieldName(), field.getFieldType(), "boolean");
        assertEquals("Check field reflective type : " + field.getFieldName(), FieldMetadata.getReflectionType(field.getFieldType()), "boolean");
        
        field = manip.getField("boolProp", "boolean");
        assertEquals("Check field name : " + field.getFieldName(), field.getFieldName(), "boolProp");
        assertEquals("Check field type : " + field.getFieldName(), field.getFieldType(), "boolean");
        
        field = manip.getField("boolProp", "bool");
        assertNull("Check bad field", field);
  }

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        field = manip.getField("boolProp", "bool");
        assertNull("Check bad field", field);
  }
  
  public void testPrimitivesFields() {
      PojoMetadata manip = PrimitiveManipulationTester;
    FieldMetadata[] fields = manip.getFields();
    assertEquals("Check field count", fields.length, 16);


    FieldMetadata field;


    field = manip.getField("b");    
    assertEquals("Check field type : " + field.getFieldName(), field.getFieldType(), "byte");
    field = manip.getField("s");    
        assertEquals("Check field type : " + field.getFieldName(), field.getFieldType(), "short");
    field = manip.getField("i");    
        assertEquals("Check field type : " + field.getFieldName(), field.getFieldType(), "int");
    field = manip.getField("l");    
        assertEquals("Check field type : " + field.getFieldName(), field.getFieldType(), "long");
    field = manip.getField("d");    
        assertEquals("Check field type : " + field.getFieldName(), field.getFieldType(), "double");
    field = manip.getField("f");    
        assertEquals("Check field type : " + field.getFieldName(), field.getFieldType(), "float");
    field = manip.getField("c");    
        assertEquals("Check field type : " + field.getFieldName(), field.getFieldType(), "char");
    field = manip.getField("bool");    
        assertEquals("Check field type : " + field.getFieldName(), field.getFieldType(), "boolean");
    
    field = manip.getField("bs");    
        assertEquals("Check field type : " + field.getFieldName(), field.getFieldType(), "byte[]");
    field = manip.getField("ss");    
        assertEquals("Check field type : " + field.getFieldName(), field.getFieldType(), "short[]");
    field = manip.getField("is");    
        assertEquals("Check field type : " + field.getFieldName(), field.getFieldType(), "int[]");
    field = manip.getField("ls");    
        assertEquals("Check field type : " + field.getFieldName(), field.getFieldType(), "long[]");
    field = manip.getField("ds");    
        assertEquals("Check field type : " + field.getFieldName(), field.getFieldType(), "double[]");
    field = manip.getField("fs");    
        assertEquals("Check field type : " + field.getFieldName(), field.getFieldType(), "float[]");
    field = manip.getField("cs");    
        assertEquals("Check field type : " + field.getFieldName(), field.getFieldType(), "char[]");
    field = manip.getField("bools");    
        assertEquals("Check field type : " + field.getFieldName(), field.getFieldType(), "boolean[]");    
  }

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    field = manip.getField("bools");    
        assertEquals("Check field type : " + field.getFieldName(), field.getFieldType(), "boolean[]");    
  }
  
  public void testNoArgMethod() {
      PojoMetadata manip = SimpleMultipleCheckServiceProvider;
    MethodMetadata method = manip.getMethod("check");
    assertEquals("Check no args", method.getMethodArguments().length, 0);
    assertEquals("Check return", method.getMethodReturn(), "boolean");
        
        method = manip.getMethod("check", new String[0]);
        assertEquals("Check no args", method.getMethodArguments().length, 0);
        assertEquals("Check return", method.getMethodReturn(), "boolean");
  }

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        assertEquals("Check no args", method.getMethodArguments().length, 0);
        assertEquals("Check return", method.getMethodReturn(), "boolean");
  }
  
  public void testOneArgsMethod() {
      PojoMetadata manip = SimpleMultipleCheckServiceProvider;
        MethodMetadata method = manip.getMethods("refBind")[0];
    assertEquals("Check args count", method.getMethodArguments().length, 1);
        assertEquals("Check args", method.getMethodArguments()[0], "org.osgi.framework.ServiceReference");
    assertEquals("Check return", method.getMethodReturn(), "void");
        
        method = manip.getMethod("refBind", new String[] {"org.osgi.framework.ServiceReference"});
        assertEquals("Check args count", method.getMethodArguments().length, 1);
        assertEquals("Check args", method.getMethodArguments()[0], "org.osgi.framework.ServiceReference");
        assertEquals("Check return", method.getMethodReturn(), "void");
  }

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        assertEquals("Check args", method.getMethodArguments()[0], "org.osgi.framework.ServiceReference");
        assertEquals("Check return", method.getMethodReturn(), "void");
  }
  
  public void testTwoArgsMethod() {
      PojoMetadata manip = SimpleMultipleCheckServiceProvider;
        MethodMetadata method = manip.getMethods("doNothing")[0];
        assertEquals("Check args count", 2, method.getMethodArguments().length);
    assertEquals("Check args - 1", method.getMethodArguments()[0], "java.lang.Object");
        assertEquals("Check args - 2", method.getMethodArguments()[1], "java.lang.String");
    assertEquals("Check return", method.getMethodReturn(), "java.lang.Object");
        
        method = manip.getMethod("doNothing", new String[] {"java.lang.Object", "java.lang.String"});
        assertEquals("Check args count", 2, method.getMethodArguments().length);
        assertEquals("Check args - 1", method.getMethodArguments()[0], "java.lang.Object");
        assertEquals("Check args - 2", method.getMethodArguments()[1], "java.lang.String");
        assertEquals("Check return", method.getMethodReturn(), "java.lang.Object");
  }

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        assertNotNull("Check elem not null", elem);
        
        Element manip = getMetadataForComponent(elem, comp_name);
        assertNotNull("Check manipulation metadata not null for " + comp_name, manip);
        try {
            return new PojoMetadata(manip);
        } catch (ConfigurationException e) {
            fail("The creation of pojo metadata for " + comp_name + " has failed");
            return null;
        }
    }

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