|
1 |
| -/** |
2 |
| - * Copyright 2009-2016 the original author or authors. |
3 |
| - * |
4 |
| - * Licensed under the Apache License, Version 2.0 (the "License"); |
5 |
| - * you may not use this file except in compliance with the License. |
6 |
| - * You may obtain a copy of the License at |
7 |
| - * |
8 |
| - * http://www.apache.org/licenses/LICENSE-2.0 |
9 |
| - * |
10 |
| - * Unless required by applicable law or agreed to in writing, software |
11 |
| - * distributed under the License is distributed on an "AS IS" BASIS, |
12 |
| - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
13 |
| - * See the License for the specific language governing permissions and |
14 |
| - * limitations under the License. |
15 |
| - */ |
16 |
| -package org.mybatis.guice.type; |
17 |
| - |
18 |
| -import java.lang.reflect.Constructor; |
19 |
| - |
20 |
| -import org.apache.ibatis.type.TypeException; |
21 |
| -import org.apache.ibatis.type.TypeHandler; |
22 |
| - |
23 |
| -import com.google.common.base.Objects; |
24 |
| -import com.google.inject.Inject; |
25 |
| -import com.google.inject.Injector; |
26 |
| -import com.google.inject.TypeLiteral; |
27 |
| - |
28 |
| -import javax.inject.Provider; |
29 |
| - |
30 |
| -/** |
31 |
| - * A generic MyBatis type provider. |
32 |
| - */ |
33 |
| -public final class TypeHandlerProvider<TH extends TypeHandler<? extends T>, T> implements Provider<TH> { |
34 |
| - private final TypeLiteral<TH> typeHandlerTypeLiteral; |
35 |
| - private final Class<T> handledType; |
36 |
| - @Inject |
37 |
| - private Injector injector; |
38 |
| - |
39 |
| - public TypeHandlerProvider(Class<TH> typeHandlerType, Class<T> handledType) { |
40 |
| - this.typeHandlerTypeLiteral = TypeLiteral.get(typeHandlerType); |
41 |
| - this.handledType = handledType; |
42 |
| - } |
43 |
| - |
44 |
| - public TypeHandlerProvider(TypeLiteral<TH> typeHandlerType, Class<T> handledType) { |
45 |
| - this.typeHandlerTypeLiteral = typeHandlerType; |
46 |
| - this.handledType = handledType; |
47 |
| - } |
48 |
| - |
49 |
| - @Override |
50 |
| - @SuppressWarnings("unchecked") |
51 |
| - public TH get() { |
52 |
| - TH instance = null; |
53 |
| - if (handledType != null) { |
54 |
| - try { |
55 |
| - Constructor<?> c = typeHandlerTypeLiteral.getRawType().getConstructor(Class.class); |
56 |
| - instance = (TH) c.newInstance(handledType); |
57 |
| - injector.injectMembers(instance); |
58 |
| - } catch (NoSuchMethodException ignored) { |
59 |
| - // ignored |
60 |
| - } catch (Exception e) { |
61 |
| - throw new TypeException("Failed invoking constructor for handler " + typeHandlerTypeLiteral.getType(), e); |
62 |
| - } |
63 |
| - } |
64 |
| - if (instance == null) { |
65 |
| - try { |
66 |
| - instance = (TH) typeHandlerTypeLiteral.getRawType().newInstance(); |
67 |
| - injector.injectMembers(instance); |
68 |
| - } catch (Exception e) { |
69 |
| - throw new TypeException("Failed invoking constructor for handler " + typeHandlerTypeLiteral.getType(), e); |
70 |
| - } |
71 |
| - } |
72 |
| - return instance; |
73 |
| - } |
74 |
| - |
75 |
| - @Override |
76 |
| - public int hashCode() { |
77 |
| - return Objects.hashCode(this.typeHandlerTypeLiteral, this.handledType); |
78 |
| - } |
79 |
| - |
80 |
| - @Override |
81 |
| - public boolean equals(Object obj) { |
82 |
| - if(obj == null){ |
83 |
| - return false; |
84 |
| - } |
85 |
| - TypeHandlerProvider other = (TypeHandlerProvider) obj; |
86 |
| - return Objects.equal(this.typeHandlerTypeLiteral, other.typeHandlerTypeLiteral) && |
87 |
| - Objects.equal(this.handledType, other.handledType); |
88 |
| - } |
89 |
| -} |
| 1 | +/** |
| 2 | + * Copyright 2009-2016 the original author or authors. |
| 3 | + * |
| 4 | + * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | + * you may not use this file except in compliance with the License. |
| 6 | + * You may obtain a copy of the License at |
| 7 | + * |
| 8 | + * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | + * |
| 10 | + * Unless required by applicable law or agreed to in writing, software |
| 11 | + * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | + * See the License for the specific language governing permissions and |
| 14 | + * limitations under the License. |
| 15 | + */ |
| 16 | +package org.mybatis.guice.type; |
| 17 | + |
| 18 | +import java.lang.reflect.Constructor; |
| 19 | + |
| 20 | +import org.apache.ibatis.type.TypeException; |
| 21 | +import org.apache.ibatis.type.TypeHandler; |
| 22 | + |
| 23 | +import com.google.common.base.Objects; |
| 24 | +import com.google.inject.Inject; |
| 25 | +import com.google.inject.Injector; |
| 26 | +import com.google.inject.TypeLiteral; |
| 27 | + |
| 28 | +import javax.inject.Provider; |
| 29 | + |
| 30 | +/** |
| 31 | + * A generic MyBatis type provider. |
| 32 | + */ |
| 33 | +public final class TypeHandlerProvider<TH extends TypeHandler<? extends T>, T> implements Provider<TH> { |
| 34 | + private final TypeLiteral<TH> typeHandlerTypeLiteral; |
| 35 | + private final Class<T> handledType; |
| 36 | + @Inject |
| 37 | + private Injector injector; |
| 38 | + |
| 39 | + public TypeHandlerProvider(Class<TH> typeHandlerType, Class<T> handledType) { |
| 40 | + this.typeHandlerTypeLiteral = TypeLiteral.get(typeHandlerType); |
| 41 | + this.handledType = handledType; |
| 42 | + } |
| 43 | + |
| 44 | + public TypeHandlerProvider(TypeLiteral<TH> typeHandlerType, Class<T> handledType) { |
| 45 | + this.typeHandlerTypeLiteral = typeHandlerType; |
| 46 | + this.handledType = handledType; |
| 47 | + } |
| 48 | + |
| 49 | + @Override |
| 50 | + @SuppressWarnings("unchecked") |
| 51 | + public TH get() { |
| 52 | + TH instance = null; |
| 53 | + if (handledType != null) { |
| 54 | + try { |
| 55 | + Constructor<?> c = typeHandlerTypeLiteral.getRawType().getConstructor(Class.class); |
| 56 | + instance = (TH) c.newInstance(handledType); |
| 57 | + injector.injectMembers(instance); |
| 58 | + } catch (NoSuchMethodException ignored) { |
| 59 | + // ignored |
| 60 | + } catch (Exception e) { |
| 61 | + throw new TypeException("Failed invoking constructor for handler " + typeHandlerTypeLiteral.getType(), e); |
| 62 | + } |
| 63 | + } |
| 64 | + if (instance == null) { |
| 65 | + try { |
| 66 | + instance = (TH) typeHandlerTypeLiteral.getRawType().newInstance(); |
| 67 | + injector.injectMembers(instance); |
| 68 | + } catch (Exception e) { |
| 69 | + throw new TypeException("Failed invoking constructor for handler " + typeHandlerTypeLiteral.getType(), e); |
| 70 | + } |
| 71 | + } |
| 72 | + return instance; |
| 73 | + } |
| 74 | + |
| 75 | + @Override |
| 76 | + public int hashCode() { |
| 77 | + return Objects.hashCode(this.typeHandlerTypeLiteral, this.handledType); |
| 78 | + } |
| 79 | + |
| 80 | + @Override |
| 81 | + public boolean equals(Object obj) { |
| 82 | + if(obj == null){ |
| 83 | + return false; |
| 84 | + } |
| 85 | + TypeHandlerProvider other = (TypeHandlerProvider) obj; |
| 86 | + return Objects.equal(this.typeHandlerTypeLiteral, other.typeHandlerTypeLiteral) && |
| 87 | + Objects.equal(this.handledType, other.handledType); |
| 88 | + } |
| 89 | +} |
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