1 files changed, 203 insertions, 0 deletions
diff --git a/vendor/github.com/magiconair/properties/load.go b/vendor/github.com/magiconair/properties/load.go
new file mode 100644
index 0000000..3915c73
--- /dev/null
+++ b/vendor/github.com/magiconair/properties/load.go
@@ -0,0 +1,203 @@
+// Copyright 2016 Frank Schroeder. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package properties
+
+import (
+	"bytes"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"os"
+	"strings"
+)
+
+// Encoding specifies encoding of the input data.
+type Encoding uint
+
+const (
+	// UTF8 interprets the input data as UTF-8.
+	UTF8 Encoding = 1 << iota
+
+	// ISO_8859_1 interprets the input data as ISO-8859-1.
+	ISO_8859_1
+)
+
+// Load reads a buffer into a Properties struct.
+func Load(buf []byte, enc Encoding) (*Properties, error) {
+	return loadBuf(buf, enc)
+}
+
+// LoadString reads an UTF8 string into a properties struct.
+func LoadString(s string) (*Properties, error) {
+	return loadBuf([]byte(s), UTF8)
+}
+
+// LoadFile reads a file into a Properties struct.
+func LoadFile(filename string, enc Encoding) (*Properties, error) {
+	return loadFiles([]string{filename}, enc, false)
+}
+
+// LoadFiles reads multiple files in the given order into
+// a Properties struct. If 'ignoreMissing' is true then
+// non-existent files will not be reported as error.
+func LoadFiles(filenames []string, enc Encoding, ignoreMissing bool) (*Properties, error) {
+	return loadFiles(filenames, enc, ignoreMissing)
+}
+
+// LoadURL reads the content of the URL into a Properties struct.
+//
+// The encoding is determined via the Content-Type header which
+// should be set to 'text/plain'. If the 'charset' parameter is
+// missing, 'iso-8859-1' or 'latin1' the encoding is set to
+// ISO-8859-1. If the 'charset' parameter is set to 'utf-8' the
+// encoding is set to UTF-8. A missing content type header is
+// interpreted as 'text/plain; charset=utf-8'.
+func LoadURL(url string) (*Properties, error) {
+	return loadURLs([]string{url}, false)
+}
+
+// LoadURLs reads the content of multiple URLs in the given order into a
+// Properties struct. If 'ignoreMissing' is true then a 404 status code will
+// not be reported as error. See LoadURL for the Content-Type header
+// and the encoding.
+func LoadURLs(urls []string, ignoreMissing bool) (*Properties, error) {
+	return loadURLs(urls, ignoreMissing)
+}
+
+// MustLoadString reads an UTF8 string into a Properties struct and
+// panics on error.
+func MustLoadString(s string) *Properties {
+	return must(LoadString(s))
+}
+
+// MustLoadFile reads a file into a Properties struct and
+// panics on error.
+func MustLoadFile(filename string, enc Encoding) *Properties {
+	return must(LoadFile(filename, enc))
+}
+
+// MustLoadFiles reads multiple files in the given order into
+// a Properties struct and panics on error. If 'ignoreMissing'
+// is true then non-existent files will not be reported as error.
+func MustLoadFiles(filenames []string, enc Encoding, ignoreMissing bool) *Properties {
+	return must(LoadFiles(filenames, enc, ignoreMissing))
+}
+
+// MustLoadURL reads the content of a URL into a Properties struct and
+// panics on error.
+func MustLoadURL(url string) *Properties {
+	return must(LoadURL(url))
+}
+
+// MustLoadFiles reads the content of multiple URLs in the given order into a
+// Properties struct and panics on error. If 'ignoreMissing' is true then a 404
+// status code will not be reported as error.
+func MustLoadURLs(urls []string, ignoreMissing bool) *Properties {
+	return must(LoadURLs(urls, ignoreMissing))
+}
+
+func loadBuf(buf []byte, enc Encoding) (*Properties, error) {
+	p, err := parse(convert(buf, enc))
+	if err != nil {
+		return nil, err
+	}
+	return p, p.check()
+}
+
+func loadFiles(filenames []string, enc Encoding, ignoreMissing bool) (*Properties, error) {
+	var buf bytes.Buffer
+	for _, filename := range filenames {
+		f, err := expandFilename(filename)
+		if err != nil {
+			return nil, err
+		}
+
+		data, err := ioutil.ReadFile(f)
+		if err != nil {
+			if ignoreMissing && os.IsNotExist(err) {
+				LogPrintf("properties: %s not found. skipping", filename)
+				continue
+			}
+			return nil, err
+		}
+
+		// concatenate the buffers and add a new line in case
+		// the previous file didn't end with a new line
+		buf.Write(data)
+		buf.WriteRune('\n')
+	}
+	return loadBuf(buf.Bytes(), enc)
+}
+
+func loadURLs(urls []string, ignoreMissing bool) (*Properties, error) {
+	var buf bytes.Buffer
+	for _, u := range urls {
+		resp, err := http.Get(u)
+		if err != nil {
+			return nil, fmt.Errorf("properties: error fetching %q. %s", u, err)
+		}
+		if resp.StatusCode == 404 && ignoreMissing {
+			LogPrintf("properties: %s returned %d. skipping", u, resp.StatusCode)
+			continue
+		}
+		if resp.StatusCode != 200 {
+			return nil, fmt.Errorf("properties: %s returned %d", u, resp.StatusCode)
+		}
+		body, err := ioutil.ReadAll(resp.Body)
+		resp.Body.Close()
+		if err != nil {
+			return nil, fmt.Errorf("properties: %s error reading response. %s", u, err)
+		}
+
+		ct := resp.Header.Get("Content-Type")
+		var enc Encoding
+		switch strings.ToLower(ct) {
+		case "text/plain", "text/plain; charset=iso-8859-1", "text/plain; charset=latin1":
+			enc = ISO_8859_1
+		case "", "text/plain; charset=utf-8":
+			enc = UTF8
+		default:
+			return nil, fmt.Errorf("properties: invalid content type %s", ct)
+		}
+
+		buf.WriteString(convert(body, enc))
+		buf.WriteRune('\n')
+	}
+	return loadBuf(buf.Bytes(), UTF8)
+}
+
+func must(p *Properties, err error) *Properties {
+	if err != nil {
+		ErrorHandler(err)
+	}
+	return p
+}
+
+// expandFilename expands ${ENV_VAR} expressions in a filename.
+// If the environment variable does not exist then it will be replaced
+// with an empty string. Malformed expressions like "${ENV_VAR" will
+// be reported as error.
+func expandFilename(filename string) (string, error) {
+	return expand(filename, make(map[string]bool), "${", "}", make(map[string]string))
+}
+
+// Interprets a byte buffer either as an ISO-8859-1 or UTF-8 encoded string.
+// For ISO-8859-1 we can convert each byte straight into a rune since the
+// first 256 unicode code points cover ISO-8859-1.
+func convert(buf []byte, enc Encoding) string {
+	switch enc {
+	case UTF8:
+		return string(buf)
+	case ISO_8859_1:
+		runes := make([]rune, len(buf))
+		for i, b := range buf {
+			runes[i] = rune(b)
+		}
+		return string(runes)
+	default:
+		ErrorHandler(fmt.Errorf("unsupported encoding %v", enc))
+	}
+	panic("ErrorHandler should exit")
+}