opendaylight/netconf/config-netconf-connector/src/main/java/org/opendaylight/controller/netconf/confignetconfconnector/mapping/attributes/mapping/ArrayAttributeMappingStrategy.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.controller.netconf.confignetconfconnector.mapping.attributes.mapping;
  10
  11 import java.lang.reflect.Array;
  12 import java.util.List;
  13
  14 import javax.management.openmbean.ArrayType;
  15 import javax.management.openmbean.OpenType;
  16
  17 import com.google.common.base.Optional;
  18 import com.google.common.base.Preconditions;
  19 import com.google.common.collect.Lists;
  20
  21 public class ArrayAttributeMappingStrategy extends AbstractAttributeMappingStrategy<List<Object>, ArrayType<?>> {
  22
  23     private final AttributeMappingStrategy<?, ? extends OpenType<?>> innerElementStrategy;
  24
  25     public ArrayAttributeMappingStrategy(ArrayType<?> arrayType,
  26             AttributeMappingStrategy<?, ? extends OpenType<?>> innerElementStrategy) {
  27         super(arrayType);
  28         this.innerElementStrategy = innerElementStrategy;
  29     }
  30
  31     @Override
  32     public Optional<List<Object>> mapAttribute(Object value) {
  33         if (value == null)
  34             return Optional.absent();
  35
  36         Preconditions.checkArgument(value.getClass().isArray(), "Value has to be instanceof Array ");
  37
  38         List<Object> retVal = Lists.newArrayList();
  39
  40         for (int i = 0; i < Array.getLength(value); i++) {
  41             Object innerValue = Array.get(value, i);
  42             // String expectedClassName =
  43             // getOpenType().getElementOpenType().getClassName();
  44             // String realClassName = value.getClass().getName();
  45
  46             // Preconditions.checkState(realClassName.contains(expectedClassName),
  47             // "Element in collection/array should be of type " +
  48             // expectedClassName + " but was "
  49             // + realClassName + " for attribute: " + getOpenType());
  50
  51             Optional<?> mapAttribute = innerElementStrategy.mapAttribute(innerValue);
  52
  53             if (mapAttribute.isPresent())
  54                 retVal.add(mapAttribute.get());
  55         }
  56
  57         return Optional.of(retVal);
  58     }
  59
  60 }