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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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package org.apache.commons.configuration.tree.xpath;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import org.apache.commons.configuration.tree.ConfigurationNode;
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import org.apache.commons.jxpath.ri.QName;
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import org.apache.commons.jxpath.ri.model.NodePointer;
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* A specialized node iterator implementation that deals with attribute nodes.
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* @author Oliver Heger
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* @version $Id: ConfigurationNodeIteratorAttribute.java 439648 2006-09-02 20:42:10Z oheger $
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class ConfigurationNodeIteratorAttribute extends
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ConfigurationNodeIteratorBase
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/** Constant for the wildcard node name.*/
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private static final String WILDCARD = "*";
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* Creates a new instance of <code>ConfigurationNodeIteratorAttribute</code>.
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* @param parent the parent node pointer
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* @param name the name of the selected attribute
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public ConfigurationNodeIteratorAttribute(NodePointer parent, QName name)
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initSubNodeList(createSubNodeList((ConfigurationNode) parent.getNode(),
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* Determines which attributes are selected based on the passed in node
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* @param node the current node
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* @param name the name of the selected attribute
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* @return a list with the selected attributes
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protected List createSubNodeList(ConfigurationNode node, QName name)
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if (name.getPrefix() != null)
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// namespace prefixes are not supported
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return Collections.EMPTY_LIST;
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List result = new ArrayList();
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if (!WILDCARD.equals(name.getName()))
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result.addAll(node.getAttributes(name.getName()));
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result.addAll(node.getAttributes());