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16 package org.jboss.netty.handler.codec.spdy;
17
18 import java.util.Map;
19 import java.util.Set;
20 import java.util.TreeMap;
21
22 import org.jboss.netty.util.internal.StringUtil;
23
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26
27 public class DefaultSpdySettingsFrame implements SpdySettingsFrame {
28
29 private boolean clear;
30 private final Map<Integer, Setting> settingsMap = new TreeMap<Integer, Setting>();
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32
33
34
35 public DefaultSpdySettingsFrame() {
36 }
37
38 public Set<Integer> getIDs() {
39 return getIds();
40 }
41
42 public Set<Integer> getIds() {
43 return settingsMap.keySet();
44 }
45
46 public boolean isSet(int ID) {
47 Integer key = ID;
48 return settingsMap.containsKey(key);
49 }
50
51 public int getValue(int ID) {
52 Integer key = ID;
53 if (settingsMap.containsKey(key)) {
54 return settingsMap.get(key).getValue();
55 } else {
56 return -1;
57 }
58 }
59
60 public void setValue(int ID, int value) {
61 setValue(ID, value, false, false);
62 }
63
64 public void setValue(int ID, int value, boolean persistValue, boolean persisted) {
65 if (ID <= 0 || ID > SpdyCodecUtil.SPDY_SETTINGS_MAX_ID) {
66 throw new IllegalArgumentException("Setting ID is not valid: " + ID);
67 }
68 Integer key = ID;
69 if (settingsMap.containsKey(key)) {
70 Setting setting = settingsMap.get(key);
71 setting.setValue(value);
72 setting.setPersist(persistValue);
73 setting.setPersisted(persisted);
74 } else {
75 settingsMap.put(key, new Setting(value, persistValue, persisted));
76 }
77 }
78
79 public void removeValue(int ID) {
80 Integer key = ID;
81 if (settingsMap.containsKey(key)) {
82 settingsMap.remove(key);
83 }
84 }
85
86 public boolean persistValue(int ID) {
87 return isPersistValue(ID);
88 }
89
90 public boolean isPersistValue(int ID) {
91 Integer key = ID;
92 if (settingsMap.containsKey(key)) {
93 return settingsMap.get(key).isPersist();
94 } else {
95 return false;
96 }
97 }
98
99 public void setPersistValue(int ID, boolean persistValue) {
100 Integer key = ID;
101 if (settingsMap.containsKey(key)) {
102 settingsMap.get(key).setPersist(persistValue);
103 }
104 }
105
106 public boolean isPersisted(int ID) {
107 Integer key = ID;
108 if (settingsMap.containsKey(key)) {
109 return settingsMap.get(key).isPersisted();
110 } else {
111 return false;
112 }
113 }
114
115 public void setPersisted(int ID, boolean persisted) {
116 Integer key = ID;
117 if (settingsMap.containsKey(key)) {
118 settingsMap.get(key).setPersisted(persisted);
119 }
120 }
121
122 public boolean clearPreviouslyPersistedSettings() {
123 return clear;
124 }
125
126 public void setClearPreviouslyPersistedSettings(boolean clear) {
127 this.clear = clear;
128 }
129
130 private Set<Map.Entry<Integer, Setting>> getSettings() {
131 return settingsMap.entrySet();
132 }
133
134 private void appendSettings(StringBuilder buf) {
135 for (Map.Entry<Integer, Setting> e: getSettings()) {
136 Setting setting = e.getValue();
137 buf.append("--> ");
138 buf.append(e.getKey().toString());
139 buf.append(":");
140 buf.append(setting.getValue());
141 buf.append(" (persist value: ");
142 buf.append(setting.isPersist());
143 buf.append("; persisted: ");
144 buf.append(setting.isPersisted());
145 buf.append(')');
146 buf.append(StringUtil.NEWLINE);
147 }
148 }
149
150 @Override
151 public String toString() {
152 StringBuilder buf = new StringBuilder();
153 buf.append(getClass().getSimpleName());
154 buf.append(StringUtil.NEWLINE);
155 appendSettings(buf);
156 buf.setLength(buf.length() - StringUtil.NEWLINE.length());
157 return buf.toString();
158 }
159
160 private static final class Setting {
161
162 private int value;
163 private boolean persist;
164 private boolean persisted;
165
166 Setting(int value, boolean persist, boolean persisted) {
167 this.value = value;
168 this.persist = persist;
169 this.persisted = persisted;
170 }
171
172 int getValue() {
173 return value;
174 }
175
176 void setValue(int value) {
177 this.value = value;
178 }
179
180 boolean isPersist() {
181 return persist;
182 }
183
184 void setPersist(boolean persist) {
185 this.persist = persist;
186 }
187
188 boolean isPersisted() {
189 return persisted;
190 }
191
192 void setPersisted(boolean persisted) {
193 this.persisted = persisted;
194 }
195 }
196 }