001
014
015 package com.liferay.portal.language;
016
017 import com.liferay.portal.kernel.util.PropertiesUtil;
018 import com.liferay.portal.kernel.util.ResourceBundleThreadLocal;
019 import com.liferay.portal.kernel.util.ResourceBundleUtil;
020
021 import java.io.IOException;
022 import java.io.InputStream;
023
024 import java.util.Enumeration;
025 import java.util.HashMap;
026 import java.util.Iterator;
027 import java.util.Map;
028 import java.util.MissingResourceException;
029 import java.util.NoSuchElementException;
030 import java.util.Properties;
031 import java.util.ResourceBundle;
032 import java.util.Set;
033
034
038 public class LiferayResourceBundle extends ResourceBundle {
039
040 public LiferayResourceBundle(InputStream inputStream, String charsetName)
041 throws IOException {
042
043 this(null, inputStream, charsetName);
044 }
045
046 public LiferayResourceBundle(
047 ResourceBundle parentResourceBundle, InputStream inputStream,
048 String charsetName)
049 throws IOException {
050
051 setParent(parentResourceBundle);
052
053 _map = new HashMap<String, String>();
054
055 Properties properties = PropertiesUtil.load(inputStream, charsetName);
056
057 LanguageResources.fixValues(_map, properties);
058 }
059
060 public LiferayResourceBundle(String string) throws IOException {
061 _map = new HashMap<String, String>();
062
063 Properties properties = PropertiesUtil.load(string);
064
065 LanguageResources.fixValues(_map, properties);
066 }
067
068
071 @Deprecated
072 public LiferayResourceBundle(String string, String charsetName)
073 throws IOException {
074
075 _map = new HashMap<String, String>();
076
077 Properties properties = PropertiesUtil.load(string, charsetName);
078
079 LanguageResources.fixValues(_map, properties);
080 }
081
082 @Override
083 public Enumeration<String> getKeys() {
084 final Set<String> keys = _map.keySet();
085
086 final Enumeration<String> parentKeys =
087 (parent == null) ? null : parent.getKeys();
088
089 final Iterator<String> itr = keys.iterator();
090
091 return new Enumeration<String>() {
092 String next = null;
093
094 @Override
095 public boolean hasMoreElements() {
096 if (next == null) {
097 if (itr.hasNext()) {
098 next = itr.next();
099 }
100 else if (parentKeys != null) {
101 while ((next == null) && parentKeys.hasMoreElements()) {
102 next = parentKeys.nextElement();
103
104 if (keys.contains(next)) {
105 next = null;
106 }
107 }
108 }
109 }
110
111 if (next != null) {
112 return true;
113 }
114 else {
115 return false;
116 }
117 }
118
119 @Override
120 public String nextElement() {
121 if (hasMoreElements()) {
122 String result = next;
123
124 next = null;
125
126 return result;
127 }
128 else {
129 throw new NoSuchElementException();
130 }
131 }
132
133 };
134 }
135
136 @Override
137 public Object handleGetObject(String key) {
138 if (key == null) {
139 throw new NullPointerException();
140 }
141
142 String value = _map.get(key);
143
144 if ((value == null) && ResourceBundleThreadLocal.isReplace()) {
145 if (parent != null) {
146 try {
147 value = parent.getString(key);
148 }
149 catch (MissingResourceException mre) {
150 }
151 }
152
153 if (value == null) {
154 value = ResourceBundleUtil.NULL_VALUE;
155 }
156 }
157
158 return value;
159 }
160
161 private Map<String, String> _map;
162
163 }