com.logicbus.redis.util.BuilderFactory Maven / Gradle / Ivy
package com.logicbus.redis.util;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
public class BuilderFactory {
public static final Builder DOUBLE = new Builder() {
public Double build(Object data,Double t) {
String asString = STRING.build(data,null);
return asString == null ? null : Double.valueOf(asString);
}
public String toString() {
return "double";
}
};
public static final Builder BOOLEAN = new Builder() {
public Boolean build(Object data,Boolean t) {
return ((Long) data) == 1;
}
public String toString() {
return "boolean";
}
};
public static final Builder BYTE_ARRAY = new Builder() {
public byte[] build(Object data,byte [] t) {
return ((byte[]) data); // deleted == 1
}
public String toString() {
return "byte[]";
}
};
public static final Builder LONG = new Builder() {
public Long build(Object data,Long t) {
return (Long) data;
}
public String toString() {
return "long";
}
};
public static final Builder STRING = new Builder() {
public String build(Object data,String t) {
return data == null ? null : SafeEncoder.encode((byte[]) data);
}
public String toString() {
return "string";
}
};
public static final Builder> STRING_LIST = new Builder>() {
@SuppressWarnings("unchecked")
public List build(Object data,List t) {
if (null == data) {
return null;
}
List l = (List) data;
final List result = (t == null) ? new ArrayList(l.size()) : t;
for (final byte[] barray : l) {
if (barray == null) {
result.add(null);
} else {
result.add(SafeEncoder.encode(barray));
}
}
return result;
}
public String toString() {
return "List";
}
};
public static final Builder> STRING_MAP = new Builder>() {
@SuppressWarnings("unchecked")
public Map build(Object data,Map t) {
final List flatHash = (List) data;
final Map hash = (t == null) ? new HashMap() : t;
final Iterator iterator = flatHash.iterator();
while (iterator.hasNext()) {
hash.put(SafeEncoder.encode(iterator.next()),
SafeEncoder.encode(iterator.next()));
}
return hash;
}
public String toString() {
return "Map";
}
};
public static final Builder> JSON_MAP = new Builder>() {
@SuppressWarnings("unchecked")
public Map build(Object data,Map t) {
final List flatHash = (List) data;
final Map hash = (t == null) ? new HashMap() : t;
final Iterator iterator = flatHash.iterator();
while (iterator.hasNext()) {
hash.put(SafeEncoder.encode(iterator.next()),
SafeEncoder.encode(iterator.next()));
}
return hash;
}
public String toString() {
return "Map";
}
};
public static final Builder> STRING_SET = new Builder>() {
@SuppressWarnings("unchecked")
public Set build(Object data,Set t) {
if (null == data) {
return null;
}
List l = (List) data;
final Set result = (t == null) ? new HashSet(l.size()) : t;
for (final byte[] barray : l) {
if (barray == null) {
result.add(null);
} else {
result.add(SafeEncoder.encode(barray));
}
}
return result;
}
public String toString() {
return "Set";
}
};
public static final Builder> BYTE_ARRAY_LIST = new Builder>() {
@SuppressWarnings("unchecked")
public List build(Object data,List t) {
if (null == data) {
return null;
}
List l = (List) data;
return l;
}
public String toString() {
return "List";
}
};
public static final Builder> BYTE_ARRAY_ZSET = new Builder>() {
@SuppressWarnings("unchecked")
public Set build(Object data,Set t) {
if (null == data) {
return null;
}
List l = (List) data;
final Set result = (t == null)?new LinkedHashSet(l):t;
for (final byte[] barray : l) {
if (barray == null) {
result.add(null);
} else {
result.add(barray);
}
}
return result;
}
public String toString() {
return "ZSet";
}
};
public static final Builder> BYTE_ARRAY_MAP = new Builder>() {
@SuppressWarnings("unchecked")
public Map build(Object data,Map t) {
final List flatHash = (List) data;
final Map hash = (t == null)?new HashMap():t;
final Iterator iterator = flatHash.iterator();
while (iterator.hasNext()) {
hash.put(iterator.next(), iterator.next());
}
return hash;
}
public String toString() {
return "Map";
}
};
public static final Builder> STRING_ZSET = new Builder>() {
@SuppressWarnings("unchecked")
public Set build(Object data,Set t) {
if (null == data) {
return null;
}
List l = (List) data;
final Set result = (t == null)? new LinkedHashSet(l.size()) :t;
for (final byte[] barray : l) {
if (barray == null) {
result.add(null);
} else {
result.add(SafeEncoder.encode(barray));
}
}
return result;
}
public String toString() {
return "ZSet";
}
};
}