Fixing platform autocoversion. Fixes issue 8083

Author: barancev

java/client/src/org/openqa/selenium/Platform.java

@@ -203,6 +203,23 @@ public static Platform extractFromSysProperty(String osName, String osVersion) {
     return mostLikely;
   }
 
+  /**
+   * Gets a platform with the name matching the parameter.
+   *
+   * @param name the platform name
+   * @return the Platform enum value matching the parameter
+   */
+  public static Platform fromString(String name) {
+    for (Platform os : Platform.values()) {
+      for (String matcher : os.partOfOsName) {
+        if (name.toLowerCase().equals(matcher.toLowerCase())) {
+          return os;
+        }
+      }
+    }
+    throw new WebDriverException("Unknown platform: " + name);
+  }
+
   /**
    * Decides whether the previous match is better or not than the current match.  If previous match
    * is null, the newer match is always better.

java/client/src/org/openqa/selenium/remote/DesiredCapabilities.java

@@ -165,7 +165,7 @@ public void setCapability(String capabilityName, boolean value) {
 
   public void setCapability(String capabilityName, String value) {
     if (PLATFORM.equals(capabilityName)) {
-      capabilities.put(capabilityName, Platform.valueOf(value));
+      capabilities.put(capabilityName, Platform.fromString(value));
     } else {
       capabilities.put(capabilityName, value);
     }
@@ -177,7 +177,7 @@ public void setCapability(String capabilityName, Platform value) {
 
   public void setCapability(String key, Object value) {
     if (PLATFORM.equals(key) && value instanceof String) {
-      capabilities.put(key, Platform.valueOf((String) value));
+      capabilities.put(key, Platform.fromString((String) value));
     } else {
       capabilities.put(key, value);
     }