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| 1 | +// Copyright 2018 Google LLC |
| 2 | +// |
| 3 | +// Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | +// you may not use this file except in compliance with the License. |
| 5 | +// You may obtain a copy of the License at |
| 6 | +// |
| 7 | +// http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | +// |
| 9 | +// Unless required by applicable law or agreed to in writing, software |
| 10 | +// distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | +// See the License for the specific language governing permissions and |
| 13 | +// limitations under the License. |
| 14 | + |
| 15 | +package stiface |
| 16 | + |
| 17 | +import ( |
| 18 | + "context" |
| 19 | + |
| 20 | + "cloud.google.com/go/storage" |
| 21 | +) |
| 22 | + |
| 23 | +// AdaptClient adapts a storage.Client so that it satisfies the Client |
| 24 | +// interface. |
| 25 | +func AdaptClient(c *storage.Client) Client { |
| 26 | + return client{c} |
| 27 | +} |
| 28 | + |
| 29 | +type ( |
| 30 | + client struct{ *storage.Client } |
| 31 | + bucketHandle struct{ *storage.BucketHandle } |
| 32 | + objectHandle struct{ *storage.ObjectHandle } |
| 33 | + bucketIterator struct{ *storage.BucketIterator } |
| 34 | + objectIterator struct{ *storage.ObjectIterator } |
| 35 | + reader struct{ *storage.Reader } |
| 36 | + writer struct{ *storage.Writer } |
| 37 | + copier struct{ *storage.Copier } |
| 38 | + composer struct{ *storage.Composer } |
| 39 | + aclHandle struct{ *storage.ACLHandle } |
| 40 | +) |
| 41 | + |
| 42 | +func (client) embedToIncludeNewMethods() {} |
| 43 | +func (bucketHandle) embedToIncludeNewMethods() {} |
| 44 | +func (objectHandle) embedToIncludeNewMethods() {} |
| 45 | +func (bucketIterator) embedToIncludeNewMethods() {} |
| 46 | +func (objectIterator) embedToIncludeNewMethods() {} |
| 47 | +func (writer) embedToIncludeNewMethods() {} |
| 48 | +func (reader) embedToIncludeNewMethods() {} |
| 49 | +func (copier) embedToIncludeNewMethods() {} |
| 50 | +func (composer) embedToIncludeNewMethods() {} |
| 51 | +func (aclHandle) embedToIncludeNewMethods() {} |
| 52 | + |
| 53 | +func (c client) Bucket(name string) BucketHandle { |
| 54 | + return bucketHandle{c.Client.Bucket(name)} |
| 55 | +} |
| 56 | + |
| 57 | +func (c client) Buckets(ctx context.Context, projectID string) BucketIterator { |
| 58 | + return bucketIterator{c.Client.Buckets(ctx, projectID)} |
| 59 | +} |
| 60 | + |
| 61 | +func (b bucketHandle) Object(name string) ObjectHandle { |
| 62 | + return objectHandle{b.BucketHandle.Object(name)} |
| 63 | +} |
| 64 | + |
| 65 | +func (b bucketHandle) If(conds storage.BucketConditions) BucketHandle { |
| 66 | + return bucketHandle{b.BucketHandle.If(conds)} |
| 67 | +} |
| 68 | + |
| 69 | +func (b bucketHandle) Objects(ctx context.Context, q *storage.Query) ObjectIterator { |
| 70 | + return objectIterator{b.BucketHandle.Objects(ctx, q)} |
| 71 | +} |
| 72 | + |
| 73 | +func (b bucketHandle) DefaultObjectACL() ACLHandle { |
| 74 | + return aclHandle{b.BucketHandle.DefaultObjectACL()} |
| 75 | +} |
| 76 | + |
| 77 | +func (b bucketHandle) ACL() ACLHandle { |
| 78 | + return aclHandle{b.BucketHandle.ACL()} |
| 79 | +} |
| 80 | + |
| 81 | +func (b bucketHandle) UserProject(projectID string) BucketHandle { |
| 82 | + return bucketHandle{b.BucketHandle.UserProject(projectID)} |
| 83 | +} |
| 84 | + |
| 85 | +func (bi bucketIterator) SetPrefix(s string) { |
| 86 | + bi.BucketIterator.Prefix = s |
| 87 | +} |
| 88 | + |
| 89 | +func (o objectHandle) ACL() ACLHandle { |
| 90 | + return aclHandle{o.ObjectHandle.ACL()} |
| 91 | +} |
| 92 | + |
| 93 | +func (o objectHandle) Generation(gen int64) ObjectHandle { |
| 94 | + return objectHandle{o.ObjectHandle.Generation(gen)} |
| 95 | +} |
| 96 | + |
| 97 | +func (o objectHandle) If(conds storage.Conditions) ObjectHandle { |
| 98 | + return objectHandle{o.ObjectHandle.If(conds)} |
| 99 | +} |
| 100 | + |
| 101 | +func (o objectHandle) Key(encryptionKey []byte) ObjectHandle { |
| 102 | + return objectHandle{o.ObjectHandle.Key(encryptionKey)} |
| 103 | +} |
| 104 | + |
| 105 | +func (o objectHandle) ReadCompressed(compressed bool) ObjectHandle { |
| 106 | + return objectHandle{o.ObjectHandle.ReadCompressed(compressed)} |
| 107 | +} |
| 108 | + |
| 109 | +func (o objectHandle) NewReader(ctx context.Context) (Reader, error) { |
| 110 | + r, err := o.ObjectHandle.NewReader(ctx) |
| 111 | + if err != nil { |
| 112 | + return nil, err |
| 113 | + } |
| 114 | + return reader{r}, nil |
| 115 | +} |
| 116 | + |
| 117 | +func (o objectHandle) NewRangeReader(ctx context.Context, offset, length int64) (Reader, error) { |
| 118 | + r, err := o.ObjectHandle.NewRangeReader(ctx, offset, length) |
| 119 | + if err != nil { |
| 120 | + return nil, err |
| 121 | + } |
| 122 | + return reader{r}, nil |
| 123 | +} |
| 124 | + |
| 125 | +func (o objectHandle) NewWriter(ctx context.Context) Writer { |
| 126 | + return writer{o.ObjectHandle.NewWriter(ctx)} |
| 127 | +} |
| 128 | + |
| 129 | +func (o objectHandle) CopierFrom(src ObjectHandle) Copier { |
| 130 | + return copier{o.ObjectHandle.CopierFrom(src.(objectHandle).ObjectHandle)} |
| 131 | +} |
| 132 | + |
| 133 | +func (o objectHandle) ComposerFrom(srcs ...ObjectHandle) Composer { |
| 134 | + objs := make([]*storage.ObjectHandle, len(srcs)) |
| 135 | + for i, s := range srcs { |
| 136 | + objs[i] = s.(objectHandle).ObjectHandle |
| 137 | + } |
| 138 | + return composer{o.ObjectHandle.ComposerFrom(objs...)} |
| 139 | +} |
| 140 | + |
| 141 | +func (w writer) ObjectAttrs() *storage.ObjectAttrs { |
| 142 | + return &w.Writer.ObjectAttrs |
| 143 | +} |
| 144 | + |
| 145 | +func (w writer) SetChunkSize(s int) { |
| 146 | + w.ChunkSize = s |
| 147 | +} |
| 148 | + |
| 149 | +func (w writer) SetProgressFunc(f func(int64)) { |
| 150 | + w.ProgressFunc = f |
| 151 | +} |
| 152 | + |
| 153 | +func (w writer) SetCRC32C(c uint32) { |
| 154 | + w.CRC32C = c |
| 155 | + w.SendCRC32C = true |
| 156 | +} |
| 157 | + |
| 158 | +func (c copier) ObjectAttrs() *storage.ObjectAttrs { |
| 159 | + return &c.Copier.ObjectAttrs |
| 160 | +} |
| 161 | + |
| 162 | +func (c copier) SetRewriteToken(t string) { |
| 163 | + c.RewriteToken = t |
| 164 | +} |
| 165 | + |
| 166 | +func (c copier) SetProgressFunc(f func(copiedBytes, totalBytes uint64)) { |
| 167 | + c.ProgressFunc = f |
| 168 | +} |
| 169 | + |
| 170 | +func (c copier) SetDestinationKMSKeyName(k string) { |
| 171 | + c.DestinationKMSKeyName = k |
| 172 | +} |
| 173 | + |
| 174 | +func (c composer) ObjectAttrs() *storage.ObjectAttrs { |
| 175 | + return &c.Composer.ObjectAttrs |
| 176 | +} |
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