src/net/fortuna/ical4j/model/ComponentFactory.java

Tue, 10 Feb 2015 19:58:00 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 10 Feb 2015 19:58:00 +0100
changeset 4
45d57ecba757
permissions
-rw-r--r--

Upgrade the upgraded ical4j component to use org.apache.commons.lang3.

michael@0 1 /**
michael@0 2 * Copyright (c) 2012, Ben Fortuna
michael@0 3 * All rights reserved.
michael@0 4 *
michael@0 5 * Redistribution and use in source and binary forms, with or without
michael@0 6 * modification, are permitted provided that the following conditions
michael@0 7 * are met:
michael@0 8 *
michael@0 9 * o Redistributions of source code must retain the above copyright
michael@0 10 * notice, this list of conditions and the following disclaimer.
michael@0 11 *
michael@0 12 * o Redistributions in binary form must reproduce the above copyright
michael@0 13 * notice, this list of conditions and the following disclaimer in the
michael@0 14 * documentation and/or other materials provided with the distribution.
michael@0 15 *
michael@0 16 * o Neither the name of Ben Fortuna nor the names of any other contributors
michael@0 17 * may be used to endorse or promote products derived from this software
michael@0 18 * without specific prior written permission.
michael@0 19 *
michael@0 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
michael@0 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
michael@0 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
michael@0 23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
michael@0 24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
michael@0 25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
michael@0 26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
michael@0 27 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
michael@0 28 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
michael@0 29 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
michael@0 30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0 31 */
michael@0 32 package net.fortuna.ical4j.model;
michael@0 33
michael@0 34 import net.fortuna.ical4j.model.component.Available;
michael@0 35 import net.fortuna.ical4j.model.component.Daylight;
michael@0 36 import net.fortuna.ical4j.model.component.Observance;
michael@0 37 import net.fortuna.ical4j.model.component.Standard;
michael@0 38 import net.fortuna.ical4j.model.component.VAlarm;
michael@0 39 import net.fortuna.ical4j.model.component.VAvailability;
michael@0 40 import net.fortuna.ical4j.model.component.VEvent;
michael@0 41 import net.fortuna.ical4j.model.component.VFreeBusy;
michael@0 42 import net.fortuna.ical4j.model.component.VJournal;
michael@0 43 import net.fortuna.ical4j.model.component.VTimeZone;
michael@0 44 import net.fortuna.ical4j.model.component.VToDo;
michael@0 45 import net.fortuna.ical4j.model.component.VVenue;
michael@0 46 import net.fortuna.ical4j.model.component.XComponent;
michael@0 47 import net.fortuna.ical4j.util.CompatibilityHints;
michael@0 48
michael@0 49 /**
michael@0 50 * $Id$ [05-Apr-2004]
michael@0 51 *
michael@0 52 * A factory for creating iCalendar components. Note that if relaxed parsing is enabled (via specifying the system
michael@0 53 * property: icalj.parsing.relaxed=true) illegal component names are allowed.
michael@0 54 * @author Ben Fortuna
michael@0 55 */
michael@0 56 public final class ComponentFactory {
michael@0 57
michael@0 58 private static ComponentFactory instance = new ComponentFactory();
michael@0 59
michael@0 60 /**
michael@0 61 * Constructor made private to prevent instantiation.
michael@0 62 */
michael@0 63 private ComponentFactory() {
michael@0 64 }
michael@0 65
michael@0 66 /**
michael@0 67 * @return Returns the instance.
michael@0 68 */
michael@0 69 public static ComponentFactory getInstance() {
michael@0 70 return instance;
michael@0 71 }
michael@0 72
michael@0 73 /**
michael@0 74 * @param name a component name
michael@0 75 * @return a new component instance of the specified type
michael@0 76 */
michael@0 77 public Component createComponent(final String name) {
michael@0 78 return createComponent(name, new PropertyList());
michael@0 79 }
michael@0 80
michael@0 81 /**
michael@0 82 * Creates a component.
michael@0 83 * @param name name of the component
michael@0 84 * @param properties a list of component properties
michael@0 85 * @return a component
michael@0 86 */
michael@0 87 public Component createComponent(final String name, final PropertyList properties) {
michael@0 88 Component component = null;
michael@0 89 if (Component.VALARM.equals(name)) {
michael@0 90 component = new VAlarm(properties);
michael@0 91 }
michael@0 92 else if (Component.VEVENT.equals(name)) {
michael@0 93 component = new VEvent(properties);
michael@0 94 }
michael@0 95 else if (Component.VFREEBUSY.equals(name)) {
michael@0 96 component = new VFreeBusy(properties);
michael@0 97 }
michael@0 98 else if (Component.VJOURNAL.equals(name)) {
michael@0 99 component = new VJournal(properties);
michael@0 100 }
michael@0 101 else if (Component.VTODO.equals(name)) {
michael@0 102 component = new VToDo(properties);
michael@0 103 }
michael@0 104 else if (Observance.STANDARD.equals(name)) {
michael@0 105 component = new Standard(properties);
michael@0 106 }
michael@0 107 else if (Observance.DAYLIGHT.equals(name)) {
michael@0 108 component = new Daylight(properties);
michael@0 109 }
michael@0 110 else if (Component.VTIMEZONE.equals(name)) {
michael@0 111 component = new VTimeZone(properties);
michael@0 112 }
michael@0 113 else if (Component.VVENUE.equals(name)) {
michael@0 114 component = new VVenue(properties);
michael@0 115 }
michael@0 116 else if (Component.VAVAILABILITY.equals(name)) {
michael@0 117 component = new VAvailability(properties);
michael@0 118 }
michael@0 119 else if (Component.AVAILABLE.equals(name)) {
michael@0 120 component = new Available(properties);
michael@0 121 }
michael@0 122 else if (isExperimentalName(name)) {
michael@0 123 component = new XComponent(name, properties);
michael@0 124 }
michael@0 125 else if (allowIllegalNames()) {
michael@0 126 component = new XComponent(name, properties);
michael@0 127 }
michael@0 128 else {
michael@0 129 throw new IllegalArgumentException("Illegal component [" + name
michael@0 130 + "]");
michael@0 131 }
michael@0 132 return component;
michael@0 133 }
michael@0 134
michael@0 135 /**
michael@0 136 * Creates a component which contains sub-components. Currently the only such component is VTIMEZONE.
michael@0 137 * @param name name of the component
michael@0 138 * @param properties a list of component properties
michael@0 139 * @param components a list of sub-components (namely standard/daylight timezones)
michael@0 140 * @return a component
michael@0 141 */
michael@0 142 public Component createComponent(final String name, final PropertyList properties,
michael@0 143 final ComponentList components) {
michael@0 144
michael@0 145 if (components != null) {
michael@0 146 Component component = null;
michael@0 147 if (Component.VTIMEZONE.equals(name)) {
michael@0 148 component = new VTimeZone(properties, components);
michael@0 149 }
michael@0 150 else if (Component.VEVENT.equals(name)) {
michael@0 151 component = new VEvent(properties, components);
michael@0 152 }
michael@0 153 else {
michael@0 154 throw new IllegalArgumentException("Illegal component [" + name
michael@0 155 + "]");
michael@0 156 }
michael@0 157 return component;
michael@0 158 }
michael@0 159 return createComponent(name, properties);
michael@0 160 }
michael@0 161
michael@0 162 /**
michael@0 163 * @param name
michael@0 164 * @return
michael@0 165 */
michael@0 166 private boolean isExperimentalName(final String name) {
michael@0 167 return name.startsWith(Component.EXPERIMENTAL_PREFIX)
michael@0 168 && name.length() > Component.EXPERIMENTAL_PREFIX.length();
michael@0 169 }
michael@0 170
michael@0 171 /**
michael@0 172 * @return true if non-standard names are allowed, otherwise false
michael@0 173 */
michael@0 174 protected boolean allowIllegalNames() {
michael@0 175 return CompatibilityHints
michael@0 176 .isHintEnabled(CompatibilityHints.KEY_RELAXED_PARSING);
michael@0 177 }
michael@0 178 }

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