001 /**
002 * Copyright (c) 2010, SIB. All rights reserved.
003 *
004 * SIB (Swiss Institute of Bioinformatics) - http://www.isb-sib.ch Host -
005 * https://sourceforge.net/projects/javaprotlib/
006 *
007 * Redistribution and use in source and binary forms, with or without
008 * modification, are permitted provided that the following conditions are met:
009 * Redistributions of source code must retain the above copyright notice, this
010 * list of conditions and the following disclaimer. Redistributions in binary
011 * form must reproduce the above copyright notice, this list of conditions and
012 * the following disclaimer in the documentation and/or other materials provided
013 * with the distribution. Neither the name of the SIB/GENEBIO nor the names of
014 * its contributors may be used to endorse or promote products derived from this
015 * software without specific prior written permission.
016 *
017 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
018 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
019 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
020 * ARE DISCLAIMED. IN NO EVENT SHALL SIB/GENEBIO BE LIABLE FOR ANY DIRECT,
021 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
022 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
023 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
024 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
025 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
026 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
027 */
028 package org.expasy.jpl.commons.base;
029
030
031 import java.util.HashMap;
032 import java.util.Map;
033 import java.util.Set;
034
035
036 /**
037 * A simple generic properties object.
038 *
039 * @author nikitin
040 *
041 * @param <T> the values type.
042 *
043 * @version 1.0
044 *
045 */
046 public final class GenericProperties<T> {
047
048 /** the properties */
049 private Map<String, T> props;
050
051 private GenericProperties() {
052 props = new HashMap<String, T>();
053 }
054
055 /** the static factory method to get a new instance */
056 public static <T> GenericProperties<T> newInstance() {
057 return new GenericProperties<T>();
058 }
059
060 /**
061 * Add a new property with a name and a value.
062 *
063 * @param name the property name.
064 * @param value the property value.
065 */
066 public void addProperty(String name, T value) {
067 props.put(name, value);
068 }
069
070 /**
071 * @return true if has property {@code name}.
072 */
073 public final boolean hasProperty(String name) {
074 return props.containsKey(name);
075 }
076
077 /**
078 * @param name the property name.
079 * @return the value of the property.
080 */
081 public final T getProperty(String name) {
082 return props.get(name);
083 }
084
085 /**
086 * @return the number of property.
087 */
088 public final int size() {
089 return props.size();
090 }
091
092 /**
093 * @return set of property names.
094 */
095 public final Set<String> getPropertyNames() {
096 return props.keySet();
097 }
098
099 public String toString() {
100 StringBuilder sb = new StringBuilder();
101
102 sb.append("{");
103
104 if (props.size() > 0) {
105
106 for (String name : getPropertyNames()) {
107 sb.append(name);
108 sb.append("=");
109 sb.append(getProperty(name));
110 sb.append(", ");
111 }
112 sb.delete(sb.length() - 2, sb.length());
113 }
114
115 sb.append("}");
116
117 return sb.toString();
118 }
119
120 }