SM-2938 MailcapCommandMap cannot find content_handler for image/jpeg
There may be a command map which doesn't contains desired command. Actually Java8 contains following entry which creates a command map without content_handler. In this case it also try with wildcard match and even fallback entries.
image/jpeg;; x-java-view=com.sun.activation.viewers.ImageViewer
diff --git a/activation-api-1.1/src/main/java/javax/activation/MailcapCommandMap.java b/activation-api-1.1/src/main/java/javax/activation/MailcapCommandMap.java
index ef6fd50..a028635 100644
--- a/activation-api-1.1/src/main/java/javax/activation/MailcapCommandMap.java
+++ b/activation-api-1.1/src/main/java/javax/activation/MailcapCommandMap.java
@@ -426,16 +426,17 @@
if (i != -1) {
mimeType = mimeType.substring(0, i).trim();
}
+ cmdName = cmdName.toLowerCase();
// search for an exact match
Map commands = (Map) preferredCommands.get(mimeType);
- if (commands == null) {
+ if (commands == null || commands.get(cmdName) == null) {
// then a wild card match
commands = (Map) preferredCommands.get(getWildcardMimeType(mimeType));
- if (commands == null) {
+ if (commands == null || commands.get(cmdName) == null) {
// then fallback searches, both standard and wild card.
commands = (Map) fallbackCommands.get(mimeType);
- if (commands == null) {
+ if (commands == null || commands.get(cmdName) == null) {
commands = (Map) fallbackCommands.get(getWildcardMimeType(mimeType));
}
if (commands == null) {
@@ -443,7 +444,7 @@
}
}
}
- return (CommandInfo) commands.get(cmdName.toLowerCase());
+ return (CommandInfo) commands.get(cmdName);
}
private String getWildcardMimeType(String mimeType) {
