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AbstractMapCacheLevel xref
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19 package org.apache.chemistry.opencmis.client.bindings.cache.impl;
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21 import java.util.Map;
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23 import org.apache.chemistry.opencmis.client.bindings.cache.CacheLevel;
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31 public abstract class AbstractMapCacheLevel implements CacheLevel {
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33 private static final long serialVersionUID = 1L;
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35 private Map<String, Object> fMap;
36 private boolean fFallbackEnabled = false;
37 private String fFallbackKey;
38 private boolean fSingleValueEnabled = false;
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40 public abstract void initialize(Map<String, String> parameters);
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42 public Object get(String key) {
43 Object value = fMap.get(key);
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45 if ((value == null) && fFallbackEnabled) {
46 value = fMap.get(fFallbackKey);
47 }
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49 if ((value == null) && fSingleValueEnabled) {
50 if (fMap.size() == 1) {
51 value = fMap.values().iterator().next();
52 }
53 }
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55 return value;
56 }
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58 public void put(Object value, String key) {
59 fMap.put(key, value);
60 }
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62 public void remove(String key) {
63 fMap.remove(key);
64 }
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69 protected Map<String, Object> getMap() {
70 return fMap;
71 }
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76 protected void setMap(Map<String, Object> map) {
77 fMap = map;
78 }
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83 protected void enableKeyFallback(String key) {
84 fFallbackKey = key;
85 fFallbackEnabled = true;
86 }
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91 protected void disableKeyFallback() {
92 fFallbackEnabled = false;
93 }
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98 protected void enableSingeValueFallback() {
99 fSingleValueEnabled = true;
100 }
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105 protected void disableSingeValueFallback() {
106 fSingleValueEnabled = false;
107 }
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119 protected int getIntParameter(Map<String, String> parameters, String name, int defValue) {
120 if (parameters == null) {
121 return defValue;
122 }
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124 String value = parameters.get(name);
125 if ((value == null) || (value.trim().length() == 0)) {
126 return defValue;
127 }
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129 try {
130 return Integer.valueOf(value);
131 } catch (NumberFormatException e) {
132 return defValue;
133 }
134 }
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146 protected float getFloatParameter(Map<String, String> parameters, String name, float defValue) {
147 if (parameters == null) {
148 return defValue;
149 }
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151 String value = parameters.get(name);
152 if ((value == null) || (value.trim().length() == 0)) {
153 return defValue;
154 }
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156 try {
157 return Float.valueOf(value);
158 } catch (NumberFormatException e) {
159 return defValue;
160 }
161 }
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173 protected boolean getBooleanParameter(Map<String, String> parameters, String name, boolean defValue) {
174 if (parameters == null) {
175 return defValue;
176 }
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178 String value = parameters.get(name);
179 if ((value == null) || (value.trim().length() == 0)) {
180 return defValue;
181 }
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183 return Boolean.parseBoolean(value);
184 }
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191 @Override
192 public String toString() {
193 return (fMap == null ? "[no map]" : fMap.toString());
194 }
195 }