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    1   /*
    2    * $Id: CollectionAdapter.java 471756 2006-11-06 15:01:43Z husted $
    3    *
    4    * Licensed to the Apache Software Foundation (ASF) under one
    5    * or more contributor license agreements.  See the NOTICE file
    6    * distributed with this work for additional information
    7    * regarding copyright ownership.  The ASF licenses this file
    8    * to you under the Apache License, Version 2.0 (the
    9    * "License"); you may not use this file except in compliance
    10   * with the License.  You may obtain a copy of the License at
    11   *
    12   *  http://www.apache.org/licenses/LICENSE-2.0
    13   *
    14   * Unless required by applicable law or agreed to in writing,
    15   * software distributed under the License is distributed on an
    16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    17   * KIND, either express or implied.  See the License for the
    18   * specific language governing permissions and limitations
    19   * under the License.
    20   */
    21  package org.apache.struts2.views.xslt;
    22
    23  import java.util.ArrayList;
    24  import java.util.Collection;
    25  import java.util.List;
    26
    27  import org.apache.commons.logging.Log;
    28  import org.apache.commons.logging.LogFactory;
    29  import org.w3c.dom.Node;
    30
    31
    32  /***
    33   */
    34  public class CollectionAdapter extends AbstractAdapterElement {
    35
    36      private Log log = LogFactory.getLog(this.getClass());
    37
    38      public CollectionAdapter() { }
    39
    40      public CollectionAdapter(AdapterFactory rootAdapterFactory, AdapterNode parent, String propertyName, Object value) {
    41          setContext(rootAdapterFactory, parent, propertyName, value);
    42      }
    43
    44      protected List<Node> buildChildAdapters() {
    45          Collection values = (Collection) getPropertyValue();
    46          List<Node> children = new ArrayList<Node>(values.size());
    47
    48          for (Object value : values) {
    49              Node childAdapter = getAdapterFactory().adaptNode(this, "item", value);
    50              if (childAdapter != null)
    51                  children.add(childAdapter);
    52
    53              if (log.isDebugEnabled()) {
    54                  log.debug(this + " adding adapter: " + childAdapter);
    55              }
    56          }
    57
    58          return children;
    59      }
    60  }