ImmutableMethodParameter.java revision 8f14d3641c3df5b8d0c8b5b419884909be5a1421 
1/*
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10 * notice, this list of conditions and the following disclaimer.
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13 * in the documentation and/or other materials provided with the
14 * distribution.
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16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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30 */
31
32package org.jf.dexlib2.immutable;
33
34import com.google.common.collect.ImmutableList;
35import org.jf.dexlib2.base.BaseMethodParameter;
36import org.jf.dexlib2.iface.Annotation;
37import org.jf.dexlib2.iface.MethodParameter;
38import org.jf.util.ImmutableListConverter;
39import org.jf.util.ImmutableListUtils;
40
41import javax.annotation.Nonnull;
42import javax.annotation.Nullable;
43import java.util.Collection;
44import java.util.List;
45
46public class ImmutableMethodParameter extends BaseMethodParameter {
47    @Nonnull public final String type;
48    @Nonnull public final ImmutableList<? extends ImmutableAnnotation> annotations;
49    @Nullable public final String name;
50
51    public ImmutableMethodParameter(@Nonnull String type,
52                                    @Nullable Collection<? extends Annotation> annotations,
53                                    @Nullable String name) {
54        this.type = type;
55        this.annotations = ImmutableAnnotation.immutableListOf(annotations);
56        this.name = name;
57    }
58
59    public ImmutableMethodParameter(@Nonnull String type,
60                                    @Nullable ImmutableList<? extends ImmutableAnnotation> annotations,
61                                    @Nullable String name) {
62        this.type = type;
63        this.annotations = ImmutableListUtils.nullToEmptyList(annotations);
64        this.name = name;
65    }
66
67    public static ImmutableMethodParameter of(MethodParameter methodParameter) {
68        if (methodParameter instanceof ImmutableMethodParameter) {
69            return (ImmutableMethodParameter)methodParameter;
70        }
71        return new ImmutableMethodParameter(
72                methodParameter.getType(),
73                methodParameter.getAnnotations(),
74                methodParameter.getName());
75    }
76
77    @Nonnull @Override public String getType() { return type; }
78    @Nonnull @Override public List<? extends Annotation> getAnnotations() { return annotations; }
79    @Nullable @Override public String getName() { return name; }
80
81    //TODO: iterate over the annotations to get the signature
82    @Nullable @Override public String getSignature() { return null; }
83
84    @Nonnull
85    public static ImmutableList<ImmutableMethodParameter> immutableListOf(
86            @Nullable Iterable<? extends MethodParameter> list) {
87        return CONVERTER.convert(list);
88    }
89
90    private static final ImmutableListConverter<ImmutableMethodParameter, MethodParameter> CONVERTER =
91            new ImmutableListConverter<ImmutableMethodParameter, MethodParameter>() {
92                @Override
93                protected boolean isImmutable(MethodParameter item) {
94                    return item instanceof ImmutableMethodParameter;
95                }
96
97                @Override
98                protected ImmutableMethodParameter makeImmutable(MethodParameter item) {
99                    return ImmutableMethodParameter.of(item);
100                }
101            };
102}
103