1.1 --- a/src/net/fortuna/ical4j/model/IndexedComponentList.java Thu Feb 12 18:02:00 2015 +0100
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,105 +0,0 @@
1.4 -/**
1.5 - * Copyright (c) 2012, Ben Fortuna
1.6 - * All rights reserved.
1.7 - *
1.8 - * Redistribution and use in source and binary forms, with or without
1.9 - * modification, are permitted provided that the following conditions
1.10 - * are met:
1.11 - *
1.12 - * o Redistributions of source code must retain the above copyright
1.13 - * notice, this list of conditions and the following disclaimer.
1.14 - *
1.15 - * o Redistributions in binary form must reproduce the above copyright
1.16 - * notice, this list of conditions and the following disclaimer in the
1.17 - * documentation and/or other materials provided with the distribution.
1.18 - *
1.19 - * o Neither the name of Ben Fortuna nor the names of any other contributors
1.20 - * may be used to endorse or promote products derived from this software
1.21 - * without specific prior written permission.
1.22 - *
1.23 - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1.24 - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1.25 - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
1.26 - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
1.27 - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
1.28 - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
1.29 - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
1.30 - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
1.31 - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
1.32 - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
1.33 - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.34 - */
1.35 -package net.fortuna.ical4j.model;
1.36 -
1.37 -import java.util.Collections;
1.38 -import java.util.HashMap;
1.39 -import java.util.Iterator;
1.40 -import java.util.Map;
1.41 -
1.42 -/**
1.43 - * $Id$
1.44 - *
1.45 - * Created on 4/02/2006
1.46 - *
1.47 - * Provides indexing of components on a specific property.
1.48 - * @author Ben Fortuna
1.49 - */
1.50 -public class IndexedComponentList {
1.51 -
1.52 - private static final ComponentList EMPTY_LIST = new ComponentList();
1.53 -
1.54 - private Map index;
1.55 -
1.56 - /**
1.57 - * Creates a new instance indexed on properties with the specified name.
1.58 - * @param list a list of components
1.59 - * @param propertyName the name of the properties to index on
1.60 - */
1.61 - public IndexedComponentList(final ComponentList list, final String propertyName) {
1.62 - final Map indexedComponents = new HashMap();
1.63 - for (final Iterator i = list.iterator(); i.hasNext();) {
1.64 - final Component component = (Component) i.next();
1.65 - for (final Iterator j = component.getProperties(propertyName).iterator(); j.hasNext();) {
1.66 - final Property property = (Property) j.next();
1.67 - ComponentList components = (ComponentList) indexedComponents.get(property.getValue());
1.68 - if (components == null) {
1.69 - components = new ComponentList();
1.70 - indexedComponents.put(property.getValue(), components);
1.71 - }
1.72 - components.add(component);
1.73 - }
1.74 - }
1.75 - this.index = Collections.unmodifiableMap(indexedComponents);
1.76 - }
1.77 -
1.78 - /**
1.79 - * Returns a list of components containing a property with the
1.80 - * specified value.
1.81 - * @param propertyValue the value of the property contained in the
1.82 - * returned components
1.83 - * @return a component list
1.84 - */
1.85 - public ComponentList getComponents(final String propertyValue) {
1.86 - ComponentList components = (ComponentList) index.get(propertyValue);
1.87 - if (components == null) {
1.88 - components = EMPTY_LIST;
1.89 - }
1.90 - return components;
1.91 - }
1.92 -
1.93 - /**
1.94 - * Returns the first component containing a property with the specified
1.95 - * value.
1.96 - * @param propertyValue the value of the property identified in the returned
1.97 - * component
1.98 - * @return a component or null if no component is found containing a property
1.99 - * with the specified value
1.100 - */
1.101 - public Component getComponent(final String propertyValue) {
1.102 - final ComponentList components = getComponents(propertyValue);
1.103 - if (!components.isEmpty()) {
1.104 - return (Component) components.iterator().next();
1.105 - }
1.106 - return null;
1.107 - }
1.108 -}
