Update okhttp to commit abc8c9a30bc0c5a9a

Change-Id: I5331e760f09aaae0a267c50829f01eb7a68d76e1

1 files changed, 120 insertions, 0 deletions

diff --git a/src/main/java/com/squareup/okhttp/MediaType.java b/src/main/java/com/squareup/okhttp/MediaType.java
new file mode 100644
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--- /dev/null
+++ b/src/main/java/com/squareup/okhttp/MediaType.java
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+/*
+ * Copyright (C) 2013 Square, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.squareup.okhttp;
+
+import java.nio.charset.Charset;
+import java.util.Locale;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * An <a href="http://tools.ietf.org/html/rfc2045">RFC 2045</a> Media Type,
+ * appropriate to describe the content type of an HTTP request or response body.
+ */
+public final class MediaType {
+  private static final String TOKEN = "([a-zA-Z0-9-!#$%&'*+.^_`{|}~]+)";
+  private static final String QUOTED = "\"([^\"]*)\"";
+  private static final Pattern TYPE_SUBTYPE = Pattern.compile(TOKEN + "/" + TOKEN);
+  private static final Pattern PARAMETER = Pattern.compile(
+      ";\\s*" + TOKEN + "=(?:" + TOKEN + "|" + QUOTED + ")");
+
+  private final String mediaType;
+  private final String type;
+  private final String subtype;
+  private final String charset;
+
+  private MediaType(String mediaType, String type, String subtype, String charset) {
+    this.mediaType = mediaType;
+    this.type = type;
+    this.subtype = subtype;
+    this.charset = charset;
+  }
+
+  /**
+   * Returns a media type for {@code string}, or null if {@code string} is not a
+   * well-formed media type.
+   */
+  public static MediaType parse(String string) {
+    Matcher typeSubtype = TYPE_SUBTYPE.matcher(string);
+    if (!typeSubtype.lookingAt()) return null;
+    String type = typeSubtype.group(1).toLowerCase(Locale.US);
+    String subtype = typeSubtype.group(2).toLowerCase(Locale.US);
+
+    String charset = null;
+    Matcher parameter = PARAMETER.matcher(string);
+    for (int s = typeSubtype.end(); s < string.length(); s = parameter.end()) {
+      parameter.region(s, string.length());
+      if (!parameter.lookingAt()) return null; // This is not a well-formed media type.
+
+      String name = parameter.group(1);
+      if (name == null || !name.equalsIgnoreCase("charset")) continue;
+      if (charset != null) throw new IllegalArgumentException("Multiple charsets: " + string);
+      charset = parameter.group(2) != null
+          ? parameter.group(2)  // Value is a token.
+          : parameter.group(3); // Value is a quoted string.
+    }
+
+    return new MediaType(string, type, subtype, charset);
+  }
+
+  /**
+   * Returns the high-level media type, such as "text", "image", "audio",
+   * "video", or "application".
+   */
+  public String type() {
+    return type;
+  }
+
+  /**
+   * Returns a specific media subtype, such as "plain" or "png", "mpeg",
+   * "mp4" or "xml".
+   */
+  public String subtype() {
+    return subtype;
+  }
+
+  /**
+   * Returns the charset of this media type, or null if this media type doesn't
+   * specify a charset.
+   */
+  public Charset charset() {
+    return charset != null ? Charset.forName(charset) : null;
+  }
+
+  /**
+   * Returns the charset of this media type, or {@code defaultValue} if this
+   * media type doesn't specify a charset.
+   */
+  public Charset charset(Charset defaultValue) {
+    return charset != null ? Charset.forName(charset) : defaultValue;
+  }
+
+  /**
+   * Returns the encoded media type, like "text/plain; charset=utf-8",
+   * appropriate for use in a Content-Type header.
+   */
+  @Override public String toString() {
+    return mediaType;
+  }
+
+  @Override public boolean equals(Object o) {
+    return o instanceof MediaType && ((MediaType) o).mediaType.equals(mediaType);
+  }
+
+  @Override public int hashCode() {
+    return mediaType.hashCode();
+  }
+}