diff options
Diffstat (limited to 'v3po/vpp-facade-utils/src/main/java/io/fd/honeycomb/v3po/vpp/facade/impl/read/util/ReflexiveChildReaderCustomizer.java')
-rw-r--r-- | v3po/vpp-facade-utils/src/main/java/io/fd/honeycomb/v3po/vpp/facade/impl/read/util/ReflexiveChildReaderCustomizer.java | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/v3po/vpp-facade-utils/src/main/java/io/fd/honeycomb/v3po/vpp/facade/impl/read/util/ReflexiveChildReaderCustomizer.java b/v3po/vpp-facade-utils/src/main/java/io/fd/honeycomb/v3po/vpp/facade/impl/read/util/ReflexiveChildReaderCustomizer.java new file mode 100644 index 000000000..a83269658 --- /dev/null +++ b/v3po/vpp-facade-utils/src/main/java/io/fd/honeycomb/v3po/vpp/facade/impl/read/util/ReflexiveChildReaderCustomizer.java @@ -0,0 +1,57 @@ +/* + * Copyright (c) 2016 Cisco and/or its affiliates. + * + * 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 io.fd.honeycomb.v3po.vpp.facade.impl.read.util; + +import com.google.common.base.Optional; +import com.google.common.base.Preconditions; +import io.fd.honeycomb.v3po.vpp.facade.impl.util.ReflectionUtils; +import io.fd.honeycomb.v3po.vpp.facade.spi.read.ChildVppReaderCustomizer; +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; +import java.util.Collections; +import org.opendaylight.yangtools.concepts.Builder; +import org.opendaylight.yangtools.yang.binding.DataObject; + +/** + * Might be slow ! + */ +public class ReflexiveChildReaderCustomizer<C extends DataObject, B extends Builder<C>> + extends ReflexiveRootReaderCustomizer<C, B> + implements ChildVppReaderCustomizer<C,B> { + + public ReflexiveChildReaderCustomizer(final Class<B> builderClass) { + super(builderClass); + } + + // TODO Could be just a default implementation in interface (making this a mixin) + + @Override + public void merge(final Builder<? extends DataObject> parentBuilder, final C readValue) { + final Optional<Method> method = + ReflectionUtils.findMethodReflex(parentBuilder.getClass(), "set", + Collections.<Class<?>>singletonList(readValue.getClass()), parentBuilder.getClass()); + + Preconditions.checkArgument(method.isPresent(), "Unable to set %s to %s", readValue, parentBuilder); + + try { + method.get().invoke(parentBuilder, readValue); + } catch (IllegalAccessException | InvocationTargetException e) { + throw new IllegalArgumentException("Unable to set " + readValue + " to " + parentBuilder, e); + } + } + +} |