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view src/org/eclipse/jetty/util/AttributesMap.java @ 843:9485ed9d1276
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author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Mon, 19 Sep 2016 14:37:21 -0600 |
parents | 3428c60d7cfc |
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// // ======================================================================== // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd. // ------------------------------------------------------------------------ // All rights reserved. This program and the accompanying materials // are made available under the terms of the Eclipse Public License v1.0 // and Apache License v2.0 which accompanies this distribution. // // The Eclipse Public License is available at // http://www.eclipse.org/legal/epl-v10.html // // The Apache License v2.0 is available at // http://www.opensource.org/licenses/apache2.0.php // // You may elect to redistribute this code under either of these licenses. // ======================================================================== // package org.eclipse.jetty.util; import java.util.ArrayList; import java.util.Collections; import java.util.Enumeration; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Set; /* ------------------------------------------------------------ */ /** AttributesMap. * * */ public class AttributesMap implements Attributes { protected final Map<String,Object> _map; /* ------------------------------------------------------------ */ public AttributesMap() { _map=new HashMap<String,Object>(); } /* ------------------------------------------------------------ */ public AttributesMap(Map<String,Object> map) { _map=map; } /* ------------------------------------------------------------ */ public AttributesMap(AttributesMap map) { _map=new HashMap<String,Object>(map._map); } /* ------------------------------------------------------------ */ /* * @see org.eclipse.jetty.util.Attributes#removeAttribute(java.lang.String) */ public void removeAttribute(String name) { _map.remove(name); } /* ------------------------------------------------------------ */ /* * @see org.eclipse.jetty.util.Attributes#setAttribute(java.lang.String, java.lang.Object) */ public void setAttribute(String name, Object attribute) { if (attribute==null) _map.remove(name); else _map.put(name, attribute); } /* ------------------------------------------------------------ */ /* * @see org.eclipse.jetty.util.Attributes#getAttribute(java.lang.String) */ public Object getAttribute(String name) { return _map.get(name); } /* ------------------------------------------------------------ */ /* * @see org.eclipse.jetty.util.Attributes#getAttributeNames() */ public Enumeration<String> getAttributeNames() { return Collections.enumeration(_map.keySet()); } /* ------------------------------------------------------------ */ /* * @see org.eclipse.jetty.util.Attributes#getAttributeNames() */ public Set<String> getAttributeNameSet() { return _map.keySet(); } /* ------------------------------------------------------------ */ public Set<Map.Entry<String, Object>> getAttributeEntrySet() { return _map.entrySet(); } /* ------------------------------------------------------------ */ /* * @see org.eclipse.jetty.util.Attributes#getAttributeNames() */ public static Enumeration<String> getAttributeNamesCopy(Attributes attrs) { if (attrs instanceof AttributesMap) return Collections.enumeration(((AttributesMap)attrs)._map.keySet()); List<String> names = new ArrayList<String>(); names.addAll(Collections.list(attrs.getAttributeNames())); return Collections.enumeration(names); } /* ------------------------------------------------------------ */ /* * @see org.eclipse.jetty.util.Attributes#clear() */ public void clearAttributes() { _map.clear(); } /* ------------------------------------------------------------ */ public int size() { return _map.size(); } /* ------------------------------------------------------------ */ @Override public String toString() { return _map.toString(); } /* ------------------------------------------------------------ */ public Set<String> keySet() { return _map.keySet(); } /* ------------------------------------------------------------ */ public void addAll(Attributes attributes) { Enumeration<String> e = attributes.getAttributeNames(); while (e.hasMoreElements()) { String name=e.nextElement(); setAttribute(name,attributes.getAttribute(name)); } } }