diff --git a/teavm-platform/pom.xml b/teavm-platform/pom.xml
index f35121baa..a4fd22179 100644
--- a/teavm-platform/pom.xml
+++ b/teavm-platform/pom.xml
@@ -15,5 +15,10 @@
       <artifactId>teavm-core</artifactId>
       <version>${project.version}</version>
     </dependency>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
 </project>
\ No newline at end of file
diff --git a/teavm-platform/src/main/java/org/teavm/platform/metadata/Resource.java b/teavm-platform/src/main/java/org/teavm/platform/metadata/Resource.java
index f47ac1747..7b50dfe88 100644
--- a/teavm-platform/src/main/java/org/teavm/platform/metadata/Resource.java
+++ b/teavm-platform/src/main/java/org/teavm/platform/metadata/Resource.java
@@ -23,7 +23,7 @@ import java.lang.annotation.Target;
 /**
  * <p>Marks a valid <b>resource interface</b>. Resource interface is an interface, that has get* and set* methods,
  * according the default convention for JavaBeans. Each property must have both getter and setter.
- * Also each property's must be either primitive value, except for <code>long</code> or valid resource.</p>
+ * Also each property's must be either primitive value (except for <code>long</code>) or a valid resource.</p>
  *
  * @see MetadataGenerator
  * @see ResourceArray
diff --git a/teavm-platform/src/main/java/org/teavm/platform/metadata/ResourceMap.java b/teavm-platform/src/main/java/org/teavm/platform/metadata/ResourceMap.java
index 599467059..e798f94cc 100644
--- a/teavm-platform/src/main/java/org/teavm/platform/metadata/ResourceMap.java
+++ b/teavm-platform/src/main/java/org/teavm/platform/metadata/ResourceMap.java
@@ -20,6 +20,8 @@ package org.teavm.platform.metadata;
  * @author Alexey Andreev <konsoletyper@gmail.com>
  */
 public interface ResourceMap<T> {
+    boolean has(String key);
+
     T get(String key);
 
     void put(String key, T value);
diff --git a/teavm-platform/src/main/java/org/teavm/platform/plugin/BuildTimeResourceArray.java b/teavm-platform/src/main/java/org/teavm/platform/plugin/BuildTimeResourceArray.java
new file mode 100644
index 000000000..c8aca068d
--- /dev/null
+++ b/teavm-platform/src/main/java/org/teavm/platform/plugin/BuildTimeResourceArray.java
@@ -0,0 +1,43 @@
+/*
+ *  Copyright 2014 Alexey Andreev.
+ *
+ *  Licensed 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.
+ */
+package org.teavm.platform.plugin;
+
+import java.util.ArrayList;
+import java.util.List;
+import org.teavm.platform.metadata.ResourceArray;
+
+/**
+ *
+ * @author Alexey Andreev
+ */
+class BuildTimeResourceArray<T> implements ResourceArray<T> {
+    private List<T> data = new ArrayList<>();
+
+    @Override
+    public int size() {
+        return data.size();
+    }
+
+    @Override
+    public T get(int i) {
+        return data.get(i);
+    }
+
+    @Override
+    public void add(T elem) {
+        data.add(elem);
+    }
+}
diff --git a/teavm-platform/src/main/java/org/teavm/platform/plugin/BuildTimeResourceGetter.java b/teavm-platform/src/main/java/org/teavm/platform/plugin/BuildTimeResourceGetter.java
new file mode 100644
index 000000000..f00aa2e27
--- /dev/null
+++ b/teavm-platform/src/main/java/org/teavm/platform/plugin/BuildTimeResourceGetter.java
@@ -0,0 +1,33 @@
+/*
+ *  Copyright 2014 Alexey Andreev.
+ *
+ *  Licensed 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.
+ */
+package org.teavm.platform.plugin;
+
+/**
+ *
+ * @author Alexey Andreev
+ */
+class BuildTimeResourceGetter implements BuildTimeResourceMethod {
+    private int index;
+
+    public BuildTimeResourceGetter(int index) {
+        this.index = index;
+    }
+
+    @Override
+    public Object invoke(BuildTimeResourceProxy proxy, Object[] args) throws Throwable {
+        return proxy.data[index];
+    }
+}
diff --git a/teavm-platform/src/main/java/org/teavm/platform/plugin/BuildTimeResourceMap.java b/teavm-platform/src/main/java/org/teavm/platform/plugin/BuildTimeResourceMap.java
new file mode 100644
index 000000000..36174df46
--- /dev/null
+++ b/teavm-platform/src/main/java/org/teavm/platform/plugin/BuildTimeResourceMap.java
@@ -0,0 +1,43 @@
+/*
+ *  Copyright 2014 Alexey Andreev.
+ *
+ *  Licensed 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.
+ */
+package org.teavm.platform.plugin;
+
+import java.util.HashMap;
+import java.util.Map;
+import org.teavm.platform.metadata.ResourceMap;
+
+/**
+ *
+ * @author Alexey Andreev
+ */
+class BuildTimeResourceMap<T> implements ResourceMap<T> {
+    private Map<String, T> data = new HashMap<>();
+
+    @Override
+    public boolean has(String key) {
+        return data.containsKey(key);
+    }
+
+    @Override
+    public T get(String key) {
+        return data.get(key);
+    }
+
+    @Override
+    public void put(String key, T value) {
+        data.put(key, value);
+    }
+}
diff --git a/teavm-platform/src/main/java/org/teavm/platform/plugin/BuildTimeResourceMethod.java b/teavm-platform/src/main/java/org/teavm/platform/plugin/BuildTimeResourceMethod.java
new file mode 100644
index 000000000..31f3be541
--- /dev/null
+++ b/teavm-platform/src/main/java/org/teavm/platform/plugin/BuildTimeResourceMethod.java
@@ -0,0 +1,24 @@
+/*
+ *  Copyright 2014 Alexey Andreev.
+ *
+ *  Licensed 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.
+ */
+package org.teavm.platform.plugin;
+
+/**
+ *
+ * @author Alexey Andreev
+ */
+interface BuildTimeResourceMethod {
+    Object invoke(BuildTimeResourceProxy proxy, Object[] args) throws Throwable;
+}
diff --git a/teavm-platform/src/main/java/org/teavm/platform/plugin/BuildTimeResourceProxy.java b/teavm-platform/src/main/java/org/teavm/platform/plugin/BuildTimeResourceProxy.java
new file mode 100644
index 000000000..390acb1e5
--- /dev/null
+++ b/teavm-platform/src/main/java/org/teavm/platform/plugin/BuildTimeResourceProxy.java
@@ -0,0 +1,40 @@
+/*
+ *  Copyright 2014 Alexey Andreev.
+ *
+ *  Licensed 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.
+ */
+package org.teavm.platform.plugin;
+
+import java.lang.reflect.InvocationHandler;
+import java.lang.reflect.Method;
+import java.util.Arrays;
+import java.util.Map;
+
+/**
+ *
+ * @author Alexey Andreev <konsoletyper@gmail.com>
+ */
+class BuildTimeResourceProxy implements InvocationHandler {
+    private Map<Method, BuildTimeResourceMethod> methods;
+    Object[] data;
+
+    public BuildTimeResourceProxy(Map<Method, BuildTimeResourceMethod> methods, Object[] initialData) {
+        this.methods = methods;
+        data = Arrays.copyOf(initialData, initialData.length);
+    }
+
+    @Override
+    public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
+        return methods.get(method).invoke(this, args);
+    }
+}
diff --git a/teavm-platform/src/main/java/org/teavm/platform/plugin/BuildTimeResourceProxyBuilder.java b/teavm-platform/src/main/java/org/teavm/platform/plugin/BuildTimeResourceProxyBuilder.java
new file mode 100644
index 000000000..b5a09e757
--- /dev/null
+++ b/teavm-platform/src/main/java/org/teavm/platform/plugin/BuildTimeResourceProxyBuilder.java
@@ -0,0 +1,203 @@
+/*
+ *  Copyright 2014 Alexey Andreev.
+ *
+ *  Licensed 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.
+ */
+package org.teavm.platform.plugin;
+
+import java.lang.reflect.Method;
+import java.util.*;
+import org.teavm.platform.metadata.Resource;
+import org.teavm.platform.metadata.ResourceArray;
+import org.teavm.platform.metadata.ResourceMap;
+
+/**
+ *
+ * @author Alexey Andreev
+ */
+class BuildTimeResourceProxyBuilder {
+    private Map<Class<?>, BuildTimeResourceProxyFactory> factories = new HashMap<>();
+    private static Set<Class<?>> allowedPropertyTypes = new HashSet<>(Arrays.<Class<?>>asList(
+            boolean.class, Boolean.class, byte.class, Byte.class, short.class, Short.class,
+            int.class, Integer.class, float.class, Float.class, double.class, Double.class,
+            String.class, ResourceArray.class, ResourceMap.class));
+
+    public BuildTimeResourceProxy buildProxy(Class<?> iface) {
+        BuildTimeResourceProxyFactory factory = factories.get(iface);
+        if (factory == null) {
+            factory = createFactory(iface);
+            factories.put(iface, factory);
+        }
+        return factory.create();
+    }
+
+    private BuildTimeResourceProxyFactory createFactory(Class<?> iface) {
+        return new ProxyFactoryCreation(iface).create();
+    }
+
+    private static class ProxyFactoryCreation {
+        private Class<?> rootIface;
+        Map<String, Class<?>> getters = new HashMap<>();
+        Map<String, Class<?>> setters = new HashMap<>();
+        Map<Method, BuildTimeResourceMethod> methods = new HashMap<>();
+        private List<Object> initialData = new ArrayList<>();
+        private Map<String, Integer> propertyIndexes = new HashMap<>();
+
+        public ProxyFactoryCreation(Class<?> iface) {
+            this.rootIface = iface;
+        }
+
+        BuildTimeResourceProxyFactory create() {
+            if (!rootIface.isInterface()) {
+                throw new IllegalArgumentException("Error creating a new resource of type " + rootIface.getName() +
+                        " that is not an interface");
+            }
+            scanIface(rootIface);
+            return new BuildTimeResourceProxyFactory(methods, initialData.toArray(new Object[initialData.size()]));
+        }
+
+        private void scanIface(Class<?> iface) {
+            if (iface.isAnnotationPresent(Resource.class)) {
+                throw new IllegalArgumentException("Error creating a new resource of type " + iface.getName() +
+                        ". This type is not marked with the " + Resource.class.getName() + " annotation");
+            }
+
+            // Scan methods
+            getters.clear();
+            setters.clear();
+            for (Method method : iface.getDeclaredMethods()) {
+                if (method.getName().startsWith("get")) {
+                    scanGetter(method);
+                } else if (method.getName().startsWith("is")) {
+                    scanBooleanGetter(method);
+                } else if (method.getName().startsWith("set")) {
+                    scanSetter(method);
+                } else {
+                    throwInvalidMethod(method);
+                }
+            }
+
+            // Verify consistency of getters and setters
+            for (Map.Entry<String, Class<?>> property : getters.entrySet()) {
+                String propertyName = property.getKey();
+                Class<?> getterType = property.getValue();
+                Class<?> setterType = setters.get(propertyName);
+                if (setterType == null) {
+                    throw new IllegalArgumentException("Property " + iface.getName() + "." + propertyName +
+                            " has a getter, but does not have a setter");
+                }
+                if (!setterType.equals(getterType)) {
+                    throw new IllegalArgumentException("Property " + iface.getName() + "." + propertyName +
+                            " has a getter and a setter of different types");
+                }
+            }
+            for (String propertyName : setters.keySet()) {
+                if (!getters.containsKey(propertyName)) {
+                    throw new IllegalArgumentException("Property " + iface.getName() + "." + propertyName +
+                            " has a setter, but does not have a getter");
+                }
+            }
+
+            // Verify types of properties and fill default values
+            for (Map.Entry<String, Class<?>> property : getters.entrySet()) {
+                String propertyName = property.getKey();
+                Class<?> propertyType = property.getValue();
+                if (allowedPropertyTypes.contains(propertyType)) {
+                    continue;
+                }
+                if (!propertyType.isInterface() || !propertyType.isAnnotationPresent(Resource.class)) {
+                    throw new IllegalArgumentException("Property " + iface.getName() + "." + propertyName +
+                            " has an illegal type " + propertyType.getName());
+                }
+            }
+            // TODO: fill default values
+
+            // Scan superinterfaces
+            for (Class<?> superIface : iface.getInterfaces()) {
+                scanIface(superIface);
+            }
+        }
+
+        private void throwInvalidMethod(Method method) {
+            throw new IllegalArgumentException("Method " + method.getDeclaringClass().getName() + "." +
+                    method.getName() + " is not likely to be either getter or setter");
+        }
+
+        private void scanGetter(Method method) {
+            String propertyName = extractPropertyName(method.getName().substring(3));
+            if (propertyName == null || method.getReturnType().equals(void.class) ||
+                    method.getParameterTypes().length > 0) {
+                throwInvalidMethod(method);
+            }
+            if (getters.put(propertyName, method.getReturnType()) != null) {
+                throw new IllegalArgumentException("Method " + method.getDeclaringClass().getName() + "." +
+                        method.getName() + " is a duplicate getter for property " + propertyName);
+            }
+            methods.put(method, new BuildTimeResourceGetter(getPropertyIndex(propertyName)));
+        }
+
+        private void scanBooleanGetter(Method method) {
+            String propertyName = extractPropertyName(method.getName().substring(2));
+            if (propertyName == null || !method.getReturnType().equals(boolean.class) ||
+                    method.getParameterTypes().length > 0) {
+                throwInvalidMethod(method);
+            }
+            if (getters.put(propertyName, method.getReturnType()) != null) {
+                throw new IllegalArgumentException("Method " + method.getDeclaringClass().getName() + "." +
+                        method.getName() + " is a duplicate getter for property " + propertyName);
+            }
+            methods.put(method, new BuildTimeResourceGetter(getPropertyIndex(propertyName)));
+        }
+
+        private void scanSetter(Method method) {
+            String propertyName = extractPropertyName(method.getName().substring(2));
+            if (propertyName == null || !method.getReturnType().equals(void.class) ||
+                    method.getParameterTypes().length != 1) {
+                throwInvalidMethod(method);
+            }
+            if (setters.put(propertyName, method.getParameterTypes()[0]) != null) {
+                throw new IllegalArgumentException("Method " + method.getDeclaringClass().getName() + "." +
+                        method.getName() + " is a duplicate setter for property " + propertyName);
+            }
+            methods.put(method, new BuildTimeResourceSetter(getPropertyIndex(propertyName)));
+        }
+
+        private String extractPropertyName(String propertyName) {
+            if (propertyName.isEmpty()) {
+                return null;
+            }
+            char c = propertyName.charAt(0);
+            if (c != Character.toUpperCase(c)) {
+                return null;
+            }
+            if (propertyName.length() == 1) {
+                return propertyName.toLowerCase();
+            }
+            c = propertyName.charAt(1);
+            if (c == Character.toUpperCase(c)) {
+                return propertyName;
+            } else {
+                return Character.toLowerCase(propertyName.charAt(0)) + propertyName.substring(1);
+            }
+        }
+
+        private int getPropertyIndex(String propertyName) {
+            Integer index = propertyIndexes.get(propertyName);
+            if (index == null) {
+                index = propertyIndexes.size();
+                propertyIndexes.put(propertyName, index);
+            }
+            return index;
+        }
+    }
+}
diff --git a/teavm-platform/src/main/java/org/teavm/platform/plugin/BuildTimeResourceProxyFactory.java b/teavm-platform/src/main/java/org/teavm/platform/plugin/BuildTimeResourceProxyFactory.java
new file mode 100644
index 000000000..4283bda22
--- /dev/null
+++ b/teavm-platform/src/main/java/org/teavm/platform/plugin/BuildTimeResourceProxyFactory.java
@@ -0,0 +1,38 @@
+/*
+ *  Copyright 2014 Alexey Andreev.
+ *
+ *  Licensed 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.
+ */
+package org.teavm.platform.plugin;
+
+import java.lang.reflect.Method;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ *
+ * @author Alexey Andreev
+ */
+class BuildTimeResourceProxyFactory {
+    private Map<Method, BuildTimeResourceMethod> methods = new HashMap<>();
+    private Object[] initialData;
+
+    public BuildTimeResourceProxyFactory(Map<Method, BuildTimeResourceMethod> methods, Object[] initialData) {
+        this.methods = methods;
+        this.initialData = initialData;
+    }
+
+    BuildTimeResourceProxy create() {
+        return new BuildTimeResourceProxy(methods, initialData);
+    }
+}
diff --git a/teavm-platform/src/main/java/org/teavm/platform/plugin/ResourceProxy.java b/teavm-platform/src/main/java/org/teavm/platform/plugin/BuildTimeResourceSetter.java
similarity index 68%
rename from teavm-platform/src/main/java/org/teavm/platform/plugin/ResourceProxy.java
rename to teavm-platform/src/main/java/org/teavm/platform/plugin/BuildTimeResourceSetter.java
index 5260ba845..e8caaa40d 100644
--- a/teavm-platform/src/main/java/org/teavm/platform/plugin/ResourceProxy.java
+++ b/teavm-platform/src/main/java/org/teavm/platform/plugin/BuildTimeResourceSetter.java
@@ -15,16 +15,20 @@
  */
 package org.teavm.platform.plugin;
 
-import java.lang.reflect.InvocationHandler;
-import java.lang.reflect.Method;
-
 /**
  *
- * @author Alexey Andreev <konsoletyper@gmail.com>
+ * @author Alexey Andreev
  */
-class ResourceProxy implements InvocationHandler {
+class BuildTimeResourceSetter implements BuildTimeResourceMethod {
+    private int index;
+
+    public BuildTimeResourceSetter(int index) {
+        this.index = index;
+    }
+
     @Override
-    public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
+    public Object invoke(BuildTimeResourceProxy proxy, Object[] args) throws Throwable {
+        proxy.data[index] = args[0];
         return null;
     }
 }
diff --git a/teavm-platform/src/main/java/org/teavm/platform/plugin/DefaultMetadataGeneratorContext.java b/teavm-platform/src/main/java/org/teavm/platform/plugin/DefaultMetadataGeneratorContext.java
new file mode 100644
index 000000000..608f7fbfe
--- /dev/null
+++ b/teavm-platform/src/main/java/org/teavm/platform/plugin/DefaultMetadataGeneratorContext.java
@@ -0,0 +1,72 @@
+/*
+ *  Copyright 2014 Alexey Andreev.
+ *
+ *  Licensed 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.
+ */
+package org.teavm.platform.plugin;
+
+import java.lang.reflect.Proxy;
+import java.util.Properties;
+import org.teavm.model.ListableClassReaderSource;
+import org.teavm.platform.metadata.MetadataGeneratorContext;
+import org.teavm.platform.metadata.ResourceArray;
+import org.teavm.platform.metadata.ResourceMap;
+
+/**
+ *
+ * @author Alexey Andreev
+ */
+class DefaultMetadataGeneratorContext implements MetadataGeneratorContext {
+    private ListableClassReaderSource classSource;
+    private ClassLoader classLoader;
+    private Properties properties;
+    private BuildTimeResourceProxyBuilder proxyBuilder = new BuildTimeResourceProxyBuilder();
+
+    private DefaultMetadataGeneratorContext(ListableClassReaderSource classSource, ClassLoader classLoader,
+            Properties properties) {
+        this.classSource = classSource;
+        this.classLoader = classLoader;
+        this.properties = properties;
+    }
+
+    @Override
+    public ListableClassReaderSource getClassSource() {
+        return classSource;
+    }
+
+    @Override
+    public ClassLoader getClassLoader() {
+        return classLoader;
+    }
+
+    @Override
+    public Properties getProperties() {
+        return new Properties(properties);
+    }
+
+    @Override
+    public <T> T createResource(Class<T> resourceType) {
+        return resourceType.cast(Proxy.newProxyInstance(classLoader, new Class<?>[] { resourceType },
+                proxyBuilder.buildProxy(resourceType)));
+    }
+
+    @Override
+    public <T> ResourceArray<T> createResourceArray() {
+        return new BuildTimeResourceArray<>();
+    }
+
+    @Override
+    public <T> ResourceMap<T> createResourceMap() {
+        return new BuildTimeResourceMap<>();
+    }
+}
diff --git a/teavm-platform/src/main/java/org/teavm/platform/plugin/MetadataProviderNativeGenerator.java b/teavm-platform/src/main/java/org/teavm/platform/plugin/MetadataProviderNativeGenerator.java
new file mode 100644
index 000000000..9d9c2a8dd
--- /dev/null
+++ b/teavm-platform/src/main/java/org/teavm/platform/plugin/MetadataProviderNativeGenerator.java
@@ -0,0 +1,43 @@
+/*
+ *  Copyright 2014 Alexey Andreev.
+ *
+ *  Licensed 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.
+ */
+package org.teavm.platform.plugin;
+
+import java.io.IOException;
+import org.teavm.codegen.SourceWriter;
+import org.teavm.javascript.ni.Generator;
+import org.teavm.javascript.ni.GeneratorContext;
+import org.teavm.model.*;
+import org.teavm.platform.metadata.MetadataProvider;
+
+/**
+ *
+ * @author Alexey Andreev
+ */
+class MetadataProviderNativeGenerator implements Generator {
+    @Override
+    public void generate(GeneratorContext context, SourceWriter writer, MethodReference methodRef) throws IOException {
+        ClassReader cls = context.getClassSource().get(methodRef.getClassName());
+        MethodReader method = cls.getMethod(methodRef.getDescriptor());
+        AnnotationReader providerAnnot = method.getAnnotations().get(MetadataProvider.class.getName());
+        if (providerAnnot == null) {
+            return;
+        }
+        if (!method.hasModifier(ElementModifier.NATIVE)) {
+            throw new IllegalStateException("Method " + method.getReference() + " was marked with " +
+                    MetadataProvider.class.getName() + " but it is not native");
+        }
+    }
+}
diff --git a/teavm-platform/src/main/java/org/teavm/platform/plugin/MetadataProviderTransformer.java b/teavm-platform/src/main/java/org/teavm/platform/plugin/MetadataProviderTransformer.java
new file mode 100644
index 000000000..703052af3
--- /dev/null
+++ b/teavm-platform/src/main/java/org/teavm/platform/plugin/MetadataProviderTransformer.java
@@ -0,0 +1,39 @@
+/*
+ *  Copyright 2014 Alexey Andreev.
+ *
+ *  Licensed 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.
+ */
+package org.teavm.platform.plugin;
+
+import org.teavm.javascript.ni.GeneratedBy;
+import org.teavm.model.*;
+import org.teavm.platform.metadata.MetadataProvider;
+
+/**
+ *
+ * @author Alexey Andreev
+ */
+class MetadataProviderTransformer implements ClassHolderTransformer {
+    @Override
+    public void transformClass(ClassHolder cls, ClassReaderSource innerSource) {
+        for (MethodHolder method : cls.getMethods()) {
+            AnnotationReader providerAnnot = method.getAnnotations().get(MetadataProvider.class.getName());
+            if (providerAnnot == null) {
+                return;
+            }
+            AnnotationHolder genAnnot = new AnnotationHolder(GeneratedBy.class.getName());
+            genAnnot.getValues().put("value", new AnnotationValue(ValueType.object(null)));
+            method.getAnnotations().add(genAnnot);
+        }
+    }
+}
diff --git a/teavm-platform/src/main/java/org/teavm/platform/plugin/PlatformPlugin.java b/teavm-platform/src/main/java/org/teavm/platform/plugin/PlatformPlugin.java
index 327e6f66f..6589f4c8b 100644
--- a/teavm-platform/src/main/java/org/teavm/platform/plugin/PlatformPlugin.java
+++ b/teavm-platform/src/main/java/org/teavm/platform/plugin/PlatformPlugin.java
@@ -25,5 +25,6 @@ import org.teavm.vm.spi.TeaVMPlugin;
 public class PlatformPlugin implements TeaVMPlugin {
     @Override
     public void install(TeaVMHost host) {
+        host.add(new MetadataProviderTransformer());
     }
 }
diff --git a/teavm-platform/src/test/java/org/teavm/platform/metadata/MetadataGeneratorTest.java b/teavm-platform/src/test/java/org/teavm/platform/metadata/MetadataGeneratorTest.java
new file mode 100644
index 000000000..4f240dd36
--- /dev/null
+++ b/teavm-platform/src/test/java/org/teavm/platform/metadata/MetadataGeneratorTest.java
@@ -0,0 +1,24 @@
+/*
+ *  Copyright 2014 Alexey Andreev.
+ *
+ *  Licensed 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.
+ */
+package org.teavm.platform.metadata;
+
+/**
+ *
+ * @author Alexey Andreev
+ */
+public class MetadataGeneratorTest {
+
+}
diff --git a/teavm-platform/src/test/java/org/teavm/platform/metadata/TestResource.java b/teavm-platform/src/test/java/org/teavm/platform/metadata/TestResource.java
new file mode 100644
index 000000000..d75474deb
--- /dev/null
+++ b/teavm-platform/src/test/java/org/teavm/platform/metadata/TestResource.java
@@ -0,0 +1,31 @@
+/*
+ *  Copyright 2014 Alexey Andreev.
+ *
+ *  Licensed 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.
+ */
+package org.teavm.platform.metadata;
+
+/**
+ *
+ * @author Alexey Andreev
+ */
+@Resource
+public interface TestResource {
+    int getInt();
+
+    void setInt(int value);
+
+    String getString();
+
+    void setString(String string);
+}