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Diffstat (limited to 'src/archive/zip/example_test.go')
-rw-r--r-- | src/archive/zip/example_test.go | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/src/archive/zip/example_test.go b/src/archive/zip/example_test.go new file mode 100644 index 0000000..1eed304 --- /dev/null +++ b/src/archive/zip/example_test.go @@ -0,0 +1,93 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package zip_test + +import ( + "archive/zip" + "bytes" + "compress/flate" + "fmt" + "io" + "log" + "os" +) + +func ExampleWriter() { + // Create a buffer to write our archive to. + buf := new(bytes.Buffer) + + // Create a new zip archive. + w := zip.NewWriter(buf) + + // Add some files to the archive. + var files = []struct { + Name, Body string + }{ + {"readme.txt", "This archive contains some text files."}, + {"gopher.txt", "Gopher names:\nGeorge\nGeoffrey\nGonzo"}, + {"todo.txt", "Get animal handling licence.\nWrite more examples."}, + } + for _, file := range files { + f, err := w.Create(file.Name) + if err != nil { + log.Fatal(err) + } + _, err = f.Write([]byte(file.Body)) + if err != nil { + log.Fatal(err) + } + } + + // Make sure to check the error on Close. + err := w.Close() + if err != nil { + log.Fatal(err) + } +} + +func ExampleReader() { + // Open a zip archive for reading. + r, err := zip.OpenReader("testdata/readme.zip") + if err != nil { + log.Fatal(err) + } + defer r.Close() + + // Iterate through the files in the archive, + // printing some of their contents. + for _, f := range r.File { + fmt.Printf("Contents of %s:\n", f.Name) + rc, err := f.Open() + if err != nil { + log.Fatal(err) + } + _, err = io.CopyN(os.Stdout, rc, 68) + if err != nil { + log.Fatal(err) + } + rc.Close() + fmt.Println() + } + // Output: + // Contents of README: + // This is the source code repository for the Go programming language. +} + +func ExampleWriter_RegisterCompressor() { + // Override the default Deflate compressor with a higher compression level. + + // Create a buffer to write our archive to. + buf := new(bytes.Buffer) + + // Create a new zip archive. + w := zip.NewWriter(buf) + + // Register a custom Deflate compressor. + w.RegisterCompressor(zip.Deflate, func(out io.Writer) (io.WriteCloser, error) { + return flate.NewWriter(out, flate.BestCompression) + }) + + // Proceed to add files to w. +} |